djvu | 18b11da4f088d5ea6137b7927a2b4420b6e6c3b3cf6316d0dbc4dd6fe7308889

Analysis

max time kernel
145s
max time network
140s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
21/05/2023, 11:17

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General

Target

cumloader584.exe
Size

828KB
MD5

7dedfb03c0417469da8b2e50c7b514c2
SHA1

793b8000997f2398b1c5d7dc6f8cac7a42ef10fa
SHA256

18b11da4f088d5ea6137b7927a2b4420b6e6c3b3cf6316d0dbc4dd6fe7308889
SHA512

85c88c38f29524cc678581d7ac79818f893ae79941191102691dfe331065b0a289801dea661c9a5ca98936fd215bbb9ce02c6c8aa1abde5d145f19a86cd369bf
SSDEEP

12288:Q1dvXT9ZhFnml5v+tX4OkmzogNx88niKZ+ABnrwCp/Fxgz9ijd6+:QPXT9ZnBIOkm8gNGadrwCjaxij4

Score

10^/10

djvu vidar 9dfa7ee730fa2f1efb5ed51dbbec22f5 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

http://zexeq.com/test1/get.php

Attributes

extension
.gaze
offline_id
jB2aJtVEWRwbJf76a6OKB8sn0BtTgNlHYUC5wLt1
payload_url
http://colisumy.com/dl/build2.exe

http://zexeq.com/files/1/build3.exe
ransomnote
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-sD0OUYo1Pd Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0710JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

3.9

Botnet

9dfa7ee730fa2f1efb5ed51dbbec22f5

https://steamcommunity.com/profiles/76561199263069598

https://t.me/cybehost

Attributes

profile_id_v2
9dfa7ee730fa2f1efb5ed51dbbec22f5
user_agent
Mozilla/5.0 (compatible; Konqueror/3.5; Linux) KHTML/3.5.7 (like Gecko) (Debian)

Signatures

Detected Djvu ransomware 14 IoCs

resource	yara_rule
behavioral1/memory/1232-56-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1660-58-0x00000000009A0000-0x0000000000ABB000-memory.dmp	family_djvu
behavioral1/memory/1232-59-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1232-60-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1232-91-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1848-97-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1848-108-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1848-109-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1848-110-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1848-114-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1848-116-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1848-117-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1848-130-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1848-141-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file

Executes dropped EXE 4 IoCs

pid	Process
1476	build2.exe
1224	build3.exe
1704	build2.exe
1464	mstsca.exe

Loads dropped DLL 6 IoCs

pid	Process
1848	cumloader584.exe
1848	cumloader584.exe
1848	cumloader584.exe
1848	cumloader584.exe
1704	build2.exe
1704	build2.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1764	icacls.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\96ef8ae7-470f-42f8-9960-caafec929461\\cumloader584.exe\" --AutoStart"	cumloader584.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	api.2ip.ua
4	api.2ip.ua
12	api.2ip.ua

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1660 set thread context of 1232	1660	cumloader584.exe	27
PID 1792 set thread context of 1848	1792	cumloader584.exe	32
PID 1476 set thread context of 1704	1476	build2.exe	38

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	build2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	build2.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1480	schtasks.exe
2012	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1620	timeout.exe

Modifies system certificate store 2 TTPs 4 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	cumloader584.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 0f00000001000000140000003e8e6487f8fd27d322a269a71edaac5d57811286090000000100000034000000303206082b0601050507030106082b0601050507030206082b0601050507030406082b0601050507030306082b0601050507030853000000010000002600000030243022060c2b06010401b231010201050130123010060a2b0601040182373c0101030200c00b00000001000000180000004300b7004f00b7004d00b7004f00b7004400b7004f000000140000000100000014000000a0110a233e96f107ece2af29ef82a57fd030a4b41d00000001000000100000002e0d6875874a44c820912e85e964cfdb030000000100000014000000d1eb23a46d17d68fd92564c2f1f1601764d8e349200000000100000036040000308204323082031aa003020102020101300d06092a864886f70d0101050500307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c18414141204365727469666963617465205365727669636573301e170d3034303130313030303030305a170d3238313233313233353935395a307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c1841414120436572746966696361746520536572766963657330820122300d06092a864886f70d01010105000382010f003082010a0282010100be409df46ee1ea76871c4d45448ebe46c883069dc12afe181f8ee402faf3ab5d508a16310b9a06d0c57022cd492d5463ccb66e68460b53eacb4c24c0bc724eeaf115aef4549a120ac37ab23360e2da8955f32258f3dedccfef8386a28c944f9f68f29890468427c776bfe3cc352c8b5e07646582c048b0a891f9619f762050a891c766b5eb78620356f08a1a13ea31a31ea099fd38f6f62732586f07f56bb8fb142bafb7aaccd6635f738cda0599a838a8cb17783651ace99ef4783a8dcf0fd942e2980cab2f9f0e01deef9f9949f12ddfac744d1b98b547c5e529d1f99018c7629cbe83c7267b3e8a25c7c0dd9de6356810209d8fd8ded2c3849c0d5ee82fc90203010001a381c03081bd301d0603551d0e04160414a0110a233e96f107ece2af29ef82a57fd030a4b4300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff307b0603551d1f047430723038a036a0348632687474703a2f2f63726c2e636f6d6f646f63612e636f6d2f414141436572746966696361746553657276696365732e63726c3036a034a0328630687474703a2f2f63726c2e636f6d6f646f2e6e65742f414141436572746966696361746553657276696365732e63726c300d06092a864886f70d010105050003820101000856fc02f09be8ffa4fad67bc64480ce4fc4c5f60058cca6b6bc1449680476e8e6ee5dec020f60d68d50184f264e01e3e6b0a5eebfbc745441bffdfc12b8c74f5af48960057f60b7054af3f6f1c2bfc4b97486b62d7d6bccd2f346dd2fc6e06ac3c334032c7d96dd5ac20ea70a99c1058bab0c2ff35c3acf6c37550987de53406c58effcb6ab656e04f61bdc3ce05a15c69ed9f15948302165036cece92173ec9b03a1e037ada015188ffaba02cea72ca910132cd4e50826ab229760f8905e74d4a29a53bdf2a968e0a26ec2d76cb1a30f9ebfeb68e756f2aef2e32b383a0981b56b85d7be2ded3f1ab7b263e2f5622c82d46a004150f139839f95e93696986e	cumloader584.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	cumloader584.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	cumloader584.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1232	cumloader584.exe
1232	cumloader584.exe
1848	cumloader584.exe
1704	build2.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 1232	1660	cumloader584.exe	27
PID 1660 wrote to memory of 1232	1660	cumloader584.exe	27
PID 1660 wrote to memory of 1232	1660	cumloader584.exe	27
PID 1660 wrote to memory of 1232	1660	cumloader584.exe	27
PID 1660 wrote to memory of 1232	1660	cumloader584.exe	27
PID 1660 wrote to memory of 1232	1660	cumloader584.exe	27
PID 1660 wrote to memory of 1232	1660	cumloader584.exe	27
PID 1660 wrote to memory of 1232	1660	cumloader584.exe	27
PID 1660 wrote to memory of 1232	1660	cumloader584.exe	27
PID 1660 wrote to memory of 1232	1660	cumloader584.exe	27
PID 1660 wrote to memory of 1232	1660	cumloader584.exe	27
PID 1232 wrote to memory of 1764	1232	cumloader584.exe	30
PID 1232 wrote to memory of 1764	1232	cumloader584.exe	30
PID 1232 wrote to memory of 1764	1232	cumloader584.exe	30
PID 1232 wrote to memory of 1764	1232	cumloader584.exe	30
PID 1232 wrote to memory of 1792	1232	cumloader584.exe	31
PID 1232 wrote to memory of 1792	1232	cumloader584.exe	31
PID 1232 wrote to memory of 1792	1232	cumloader584.exe	31
PID 1232 wrote to memory of 1792	1232	cumloader584.exe	31
PID 1792 wrote to memory of 1848	1792	cumloader584.exe	32
PID 1792 wrote to memory of 1848	1792	cumloader584.exe	32
PID 1792 wrote to memory of 1848	1792	cumloader584.exe	32
PID 1792 wrote to memory of 1848	1792	cumloader584.exe	32
PID 1792 wrote to memory of 1848	1792	cumloader584.exe	32
PID 1792 wrote to memory of 1848	1792	cumloader584.exe	32
PID 1792 wrote to memory of 1848	1792	cumloader584.exe	32
PID 1792 wrote to memory of 1848	1792	cumloader584.exe	32
PID 1792 wrote to memory of 1848	1792	cumloader584.exe	32
PID 1792 wrote to memory of 1848	1792	cumloader584.exe	32
PID 1792 wrote to memory of 1848	1792	cumloader584.exe	32
PID 1848 wrote to memory of 1476	1848	cumloader584.exe	33
PID 1848 wrote to memory of 1476	1848	cumloader584.exe	33
PID 1848 wrote to memory of 1476	1848	cumloader584.exe	33
PID 1848 wrote to memory of 1476	1848	cumloader584.exe	33
PID 1848 wrote to memory of 1224	1848	cumloader584.exe	35
PID 1848 wrote to memory of 1224	1848	cumloader584.exe	35
PID 1848 wrote to memory of 1224	1848	cumloader584.exe	35
PID 1848 wrote to memory of 1224	1848	cumloader584.exe	35
PID 1224 wrote to memory of 1480	1224	build3.exe	37
PID 1224 wrote to memory of 1480	1224	build3.exe	37
PID 1224 wrote to memory of 1480	1224	build3.exe	37
PID 1224 wrote to memory of 1480	1224	build3.exe	37
PID 1476 wrote to memory of 1704	1476	build2.exe	38
PID 1476 wrote to memory of 1704	1476	build2.exe	38
PID 1476 wrote to memory of 1704	1476	build2.exe	38
PID 1476 wrote to memory of 1704	1476	build2.exe	38
PID 1476 wrote to memory of 1704	1476	build2.exe	38
PID 1476 wrote to memory of 1704	1476	build2.exe	38
PID 1476 wrote to memory of 1704	1476	build2.exe	38
PID 1476 wrote to memory of 1704	1476	build2.exe	38
PID 1476 wrote to memory of 1704	1476	build2.exe	38
PID 1476 wrote to memory of 1704	1476	build2.exe	38
PID 1704 wrote to memory of 364	1704	build2.exe	41
PID 1704 wrote to memory of 364	1704	build2.exe	41
PID 1704 wrote to memory of 364	1704	build2.exe	41
PID 1704 wrote to memory of 364	1704	build2.exe	41
PID 364 wrote to memory of 1620	364	cmd.exe	43
PID 364 wrote to memory of 1620	364	cmd.exe	43
PID 364 wrote to memory of 1620	364	cmd.exe	43
PID 364 wrote to memory of 1620	364	cmd.exe	43
PID 1172 wrote to memory of 1464	1172	taskeng.exe	45
PID 1172 wrote to memory of 1464	1172	taskeng.exe	45
PID 1172 wrote to memory of 1464	1172	taskeng.exe	45
PID 1172 wrote to memory of 1464	1172	taskeng.exe	45

C:\Users\Admin\AppData\Local\Temp\cumloader584.exe
"C:\Users\Admin\AppData\Local\Temp\cumloader584.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Users\Admin\AppData\Local\Temp\cumloader584.exe
  "C:\Users\Admin\AppData\Local\Temp\cumloader584.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1232
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\96ef8ae7-470f-42f8-9960-caafec929461" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:1764
- - C:\Users\Admin\AppData\Local\Temp\cumloader584.exe
    "C:\Users\Admin\AppData\Local\Temp\cumloader584.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1792
  - - C:\Users\Admin\AppData\Local\Temp\cumloader584.exe
      "C:\Users\Admin\AppData\Local\Temp\cumloader584.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Loads dropped DLL
      Modifies system certificate store
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:1848
    - - C:\Users\Admin\AppData\Local\69829f01-c852-4694-a0b8-f7bbfb8d6af0\build2.exe
        
        "C:\Users\Admin\AppData\Local\69829f01-c852-4694-a0b8-f7bbfb8d6af0\build2.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:1476
      - C:\Users\Admin\AppData\Local\69829f01-c852-4694-a0b8-f7bbfb8d6af0\build2.exe
        
        "C:\Users\Admin\AppData\Local\69829f01-c852-4694-a0b8-f7bbfb8d6af0\build2.exe"
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        Checks processor information in registry
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:1704
        
        C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\69829f01-c852-4694-a0b8-f7bbfb8d6af0\build2.exe" & exit
        7⤵
        Suspicious use of WriteProcessMemory
        
        PID:364
        
        C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 6
        8⤵
        Delays execution with timeout.exe
        
        PID:1620
    - - C:\Users\Admin\AppData\Local\69829f01-c852-4694-a0b8-f7bbfb8d6af0\build3.exe
        
        "C:\Users\Admin\AppData\Local\69829f01-c852-4694-a0b8-f7bbfb8d6af0\build3.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:1224
      - C:\Windows\SysWOW64\schtasks.exe
        
        /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
        6⤵
        Creates scheduled task(s)
        
        PID:1480

C:\Windows\system32\taskeng.exe
taskeng.exe {E6902916-EF4F-44CF-B27B-0BAFB14CF3C5} S-1-5-21-1563773381-2037468142-1146002597-1000:YBHADZIG\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1172
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  2⤵
  - Executes dropped EXE
  PID:1464
- - C:\Windows\SysWOW64\schtasks.exe
    /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
    3⤵
    - Creates scheduled task(s)
    PID:2012

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

File and Directory Permissions Modification

T1222

Install Root Certificate

T1130

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

Filesize
2KB

MD5
cb219b121c03308da05e261107dcde69

SHA1
2816c0b95985ce8b42e4f8c30aae93279c3979ef

SHA256
d18ee47a9beb6ab36215bb1b778ec97d87c7b6c16ab6449fc6da51ec5ef9967b

SHA512
6353b7fa84d06fcb975882c3fb9d0c7e0103ccbbab1101fdb9310ed0d55657e5f714527d59e0d57e9949dc1ecbb9265567cb5393f2a9d9c5968e641b56b82cb3

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
62KB

MD5
b5fcc55cffd66f38d548e8b63206c5e6

SHA1
79db08ababfa33a4f644fa8fe337195b5aba44c7

SHA256
7730df1165195dd5bb6b40d6e519b4ce07aceb03601a77bca6535d31698d4ca1

SHA512
aaa17175e90dbca04f0fa753084731313e70119fef7d408b41ff4170116ab24eaee0bd05dca2cc43464b1ee920819e5ce6f6e750d97e3c4fc605f01e7ff9c649

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
62KB

MD5
b5fcc55cffd66f38d548e8b63206c5e6

SHA1
79db08ababfa33a4f644fa8fe337195b5aba44c7

SHA256
7730df1165195dd5bb6b40d6e519b4ce07aceb03601a77bca6535d31698d4ca1

SHA512
aaa17175e90dbca04f0fa753084731313e70119fef7d408b41ff4170116ab24eaee0bd05dca2cc43464b1ee920819e5ce6f6e750d97e3c4fc605f01e7ff9c649

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

Filesize
1KB

MD5
374bcc93961e172a78f2a2ded74f3433

SHA1
e9bbbb1dcbea961e0aa7d502d032c2fe009397b8

SHA256
a6032f21906faae6e57164b9048d08c6f65fccc04ac64a3fe622f0f0360e5239

SHA512
6272ff1b1c042adec0f2a424f582f1567c4ce068ef98d8bdb1fee5727c075f2994a27f323a2e45d90b0b993a003741e40810a7ca920a6f5d81f821835f0e69ed

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

Filesize
488B

MD5
2e49ebbd3d1fbbd6b60fd922c83a2fcf

SHA1
c2290ee111b41eaa6cc4403787190a4d16bd7423

SHA256
ab8c2d87afaa0fd712f8e5a578e1c9b708fa847f93f0e088fbc00d63d3533861

SHA512
b328ddbd5b9c209cc565c37c7c87a248f922dd6ff54ef117c33a50d8ec8a78ff41f9e26849d3bc09f76f218a3198f64283ffb53d1aafb4c30dd3a53f5a6ae29c

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
b1cd48a1e2fa29804f5a50066d444a07

SHA1
a98a929b8ce63d9ed68ab45360d8cec634bb5ec3

SHA256
8b2c08c6a3f7742b1a8fa84726b73654831453eb0ccfa4fe2fe78193d2771b77

SHA512
24f7dc936f5252d3b17eefd90a2df6cf357a14c2bb518bbcd2415f0fe7e90c92d5e2aff1ebf67aecbff455869eef10077a05b6f8bcdd977a52253ebdb7718c4b

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

Filesize
482B

MD5
b3247a8267538c22e4ce80fbd371e787

SHA1
d7ef505e2b92cc8d3740c00d852389bcc960becf

SHA256
b97a5f2b8cb9d39abd9e3f8e3ebce27d3c5aaab814a02b5312be87e878f49aa8

SHA512
78a294bd85cee0a775329d4f67350b9370dda14a4281832824553c02ffb2f2f0209bcafe2eff5df370615782bac5377c2d12166dfb2a4f2a002594a4d396f939

Download Submit
C:\Users\Admin\AppData\Local\69829f01-c852-4694-a0b8-f7bbfb8d6af0\build2.exe

Filesize
379KB

MD5
37b6aab56a0f770ce58a670322361a1c

SHA1
87606604cdaa89b93d4d1b5e3e12f5ec24f60016

SHA256
3d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4

SHA512
7b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e

Download Submit
C:\Users\Admin\AppData\Local\69829f01-c852-4694-a0b8-f7bbfb8d6af0\build2.exe

Filesize
379KB

MD5
37b6aab56a0f770ce58a670322361a1c

SHA1
87606604cdaa89b93d4d1b5e3e12f5ec24f60016

SHA256
3d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4

SHA512
7b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e

Download Submit
C:\Users\Admin\AppData\Local\69829f01-c852-4694-a0b8-f7bbfb8d6af0\build2.exe

Filesize
379KB

MD5
37b6aab56a0f770ce58a670322361a1c

SHA1
87606604cdaa89b93d4d1b5e3e12f5ec24f60016

SHA256
3d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4

SHA512
7b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e

Download Submit
C:\Users\Admin\AppData\Local\69829f01-c852-4694-a0b8-f7bbfb8d6af0\build2.exe

Filesize
379KB

MD5
37b6aab56a0f770ce58a670322361a1c

SHA1
87606604cdaa89b93d4d1b5e3e12f5ec24f60016

SHA256
3d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4

SHA512
7b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e

Download Submit
C:\Users\Admin\AppData\Local\69829f01-c852-4694-a0b8-f7bbfb8d6af0\build3.exe

Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\69829f01-c852-4694-a0b8-f7bbfb8d6af0\build3.exe

Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\69829f01-c852-4694-a0b8-f7bbfb8d6af0\build3.exe

Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\96ef8ae7-470f-42f8-9960-caafec929461\cumloader584.exe

Filesize
828KB

MD5
7dedfb03c0417469da8b2e50c7b514c2

SHA1
793b8000997f2398b1c5d7dc6f8cac7a42ef10fa

SHA256
18b11da4f088d5ea6137b7927a2b4420b6e6c3b3cf6316d0dbc4dd6fe7308889

SHA512
85c88c38f29524cc678581d7ac79818f893ae79941191102691dfe331065b0a289801dea661c9a5ca98936fd215bbb9ce02c6c8aa1abde5d145f19a86cd369bf

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
\Users\Admin\AppData\Local\69829f01-c852-4694-a0b8-f7bbfb8d6af0\build2.exe

Filesize
379KB

MD5
37b6aab56a0f770ce58a670322361a1c

SHA1
87606604cdaa89b93d4d1b5e3e12f5ec24f60016

SHA256
3d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4

SHA512
7b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e

Download Submit
\Users\Admin\AppData\Local\69829f01-c852-4694-a0b8-f7bbfb8d6af0\build2.exe

Filesize
379KB

MD5
37b6aab56a0f770ce58a670322361a1c

SHA1
87606604cdaa89b93d4d1b5e3e12f5ec24f60016

SHA256
3d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4

SHA512
7b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e

Download Submit
\Users\Admin\AppData\Local\69829f01-c852-4694-a0b8-f7bbfb8d6af0\build3.exe

Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
\Users\Admin\AppData\Local\69829f01-c852-4694-a0b8-f7bbfb8d6af0\build3.exe

Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
memory/1232-56-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1232-55-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1232-60-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1232-59-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1232-91-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1476-150-0x00000000009A0000-0x00000000009F7000-memory.dmp

Filesize
348KB

Download
memory/1660-54-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/1660-58-0x00000000009A0000-0x0000000000ABB000-memory.dmp

Filesize
1.1MB

Download
memory/1704-226-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1704-184-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1704-185-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/1704-224-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1704-147-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1704-225-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1704-151-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1792-92-0x0000000000270000-0x0000000000302000-memory.dmp

Filesize
584KB

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memory/1848-109-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/1848-141-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/1848-130-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/1848-117-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1848-116-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1848-114-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1848-110-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1848-108-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1848-97-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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