djvu | caeecccfee0962fbe3d4fb4ab336bf3d1230b12ad0821ff66f7a2cabc289c954

Analysis

max time kernel
147s
max time network
122s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
18/03/2024, 21:21

Sharing

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Report Analysis Logs

General

Target

3b9e9e130d52fe95c8be82aa4b8feb74.exe
Size

811KB
MD5

3b9e9e130d52fe95c8be82aa4b8feb74
SHA1

1cad525ecc17fb320bd8256e9cd106b989f97354
SHA256

caeecccfee0962fbe3d4fb4ab336bf3d1230b12ad0821ff66f7a2cabc289c954
SHA512

bb360a72f52fcb1a26a8e94ab31c74092cbc8f2a2c12756f4f2b2c81a7d96bbdf440b0daad26fbd2593371794061bf0372989dc845333ff882f782280b609e25
SSDEEP

12288:k4s2A/R5gv2bJ4GECR556Y9JlObra93zWsiQJjXEymLAhYz9lw/WH4+6mHtAF:Ev/Re2qWZfnobU3as37Qz9lU+ru

Score

10^/10

djvu vidar 95002d0a9d65ffced363a8f35f42a529 discovery persistence ransomware stealer

Malware Config

Extracted

Family

djvu

http://sajdfue.com/test2/get.php

Attributes

extension
.looy
offline_id
1eSPzWRaNslCgtjBZfL5pzvovoiaVI4IZSnvAwt1
payload_url
http://sdfjhuz.com/dl/build2.exe

http://sajdfue.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. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/3ed7a617738550b0a00c5aa231c0752020240316170955/d71ce1 Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. 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: 0858PsawqS

rsa_pubkey.plain

Extracted

Family

vidar

Version

8.4

Botnet

95002d0a9d65ffced363a8f35f42a529

https://steamcommunity.com/profiles/76561199654112719

https://t.me/r2d0s

Attributes

profile_id_v2
95002d0a9d65ffced363a8f35f42a529
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:123.0) Gecko/20100101 Firefox/123.0

Signatures

Detect Vidar Stealer 5 IoCs

stealer

resource	yara_rule
behavioral1/memory/2532-94-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/2324-98-0x0000000000230000-0x0000000000261000-memory.dmp	family_vidar_v7
behavioral1/memory/2532-99-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/2532-100-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/2532-232-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7

Detected Djvu ransomware 14 IoCs

resource	yara_rule
behavioral1/memory/1160-2-0x00000000030D0000-0x00000000031EB000-memory.dmp	family_djvu
behavioral1/memory/2096-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2096-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2096-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2096-45-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2472-53-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2472-54-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2472-70-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2472-71-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2472-75-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2472-77-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2472-78-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2472-101-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2472-239-0x0000000000400000-0x0000000000537000-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 2 IoCs

pid	Process
2324	build2.exe
2532	build2.exe

Loads dropped DLL 6 IoCs

pid	Process
2472	3b9e9e130d52fe95c8be82aa4b8feb74.exe
2472	3b9e9e130d52fe95c8be82aa4b8feb74.exe
2064	WerFault.exe
2064	WerFault.exe
2064	WerFault.exe
2064	WerFault.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2672	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\8b5a767d-e5d0-4d9c-b744-8181876a3fa5\\3b9e9e130d52fe95c8be82aa4b8feb74.exe\" --AutoStart"	3b9e9e130d52fe95c8be82aa4b8feb74.exe

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
16	api.2ip.ua

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1160 set thread context of 2096	1160	3b9e9e130d52fe95c8be82aa4b8feb74.exe	28
PID 2736 set thread context of 2472	2736	3b9e9e130d52fe95c8be82aa4b8feb74.exe	32
PID 2324 set thread context of 2532	2324	build2.exe	34

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2064	2532	WerFault.exe	34

Modifies system certificate store 2 TTPs 8 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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	3b9e9e130d52fe95c8be82aa4b8feb74.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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	3b9e9e130d52fe95c8be82aa4b8feb74.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C	3b9e9e130d52fe95c8be82aa4b8feb74.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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	3b9e9e130d52fe95c8be82aa4b8feb74.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	build2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	build2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	build2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C	3b9e9e130d52fe95c8be82aa4b8feb74.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2096	3b9e9e130d52fe95c8be82aa4b8feb74.exe
2472	3b9e9e130d52fe95c8be82aa4b8feb74.exe
2472	3b9e9e130d52fe95c8be82aa4b8feb74.exe

Suspicious use of WriteProcessMemory 49 IoCs

description	pid	Process	procid_target
PID 1160 wrote to memory of 2096	1160	3b9e9e130d52fe95c8be82aa4b8feb74.exe	28
PID 1160 wrote to memory of 2096	1160	3b9e9e130d52fe95c8be82aa4b8feb74.exe	28
PID 1160 wrote to memory of 2096	1160	3b9e9e130d52fe95c8be82aa4b8feb74.exe	28
PID 1160 wrote to memory of 2096	1160	3b9e9e130d52fe95c8be82aa4b8feb74.exe	28
PID 1160 wrote to memory of 2096	1160	3b9e9e130d52fe95c8be82aa4b8feb74.exe	28
PID 1160 wrote to memory of 2096	1160	3b9e9e130d52fe95c8be82aa4b8feb74.exe	28
PID 1160 wrote to memory of 2096	1160	3b9e9e130d52fe95c8be82aa4b8feb74.exe	28
PID 1160 wrote to memory of 2096	1160	3b9e9e130d52fe95c8be82aa4b8feb74.exe	28
PID 1160 wrote to memory of 2096	1160	3b9e9e130d52fe95c8be82aa4b8feb74.exe	28
PID 1160 wrote to memory of 2096	1160	3b9e9e130d52fe95c8be82aa4b8feb74.exe	28
PID 1160 wrote to memory of 2096	1160	3b9e9e130d52fe95c8be82aa4b8feb74.exe	28
PID 2096 wrote to memory of 2672	2096	3b9e9e130d52fe95c8be82aa4b8feb74.exe	29
PID 2096 wrote to memory of 2672	2096	3b9e9e130d52fe95c8be82aa4b8feb74.exe	29
PID 2096 wrote to memory of 2672	2096	3b9e9e130d52fe95c8be82aa4b8feb74.exe	29
PID 2096 wrote to memory of 2672	2096	3b9e9e130d52fe95c8be82aa4b8feb74.exe	29
PID 2096 wrote to memory of 2736	2096	3b9e9e130d52fe95c8be82aa4b8feb74.exe	31
PID 2096 wrote to memory of 2736	2096	3b9e9e130d52fe95c8be82aa4b8feb74.exe	31
PID 2096 wrote to memory of 2736	2096	3b9e9e130d52fe95c8be82aa4b8feb74.exe	31
PID 2096 wrote to memory of 2736	2096	3b9e9e130d52fe95c8be82aa4b8feb74.exe	31
PID 2736 wrote to memory of 2472	2736	3b9e9e130d52fe95c8be82aa4b8feb74.exe	32
PID 2736 wrote to memory of 2472	2736	3b9e9e130d52fe95c8be82aa4b8feb74.exe	32
PID 2736 wrote to memory of 2472	2736	3b9e9e130d52fe95c8be82aa4b8feb74.exe	32
PID 2736 wrote to memory of 2472	2736	3b9e9e130d52fe95c8be82aa4b8feb74.exe	32
PID 2736 wrote to memory of 2472	2736	3b9e9e130d52fe95c8be82aa4b8feb74.exe	32
PID 2736 wrote to memory of 2472	2736	3b9e9e130d52fe95c8be82aa4b8feb74.exe	32
PID 2736 wrote to memory of 2472	2736	3b9e9e130d52fe95c8be82aa4b8feb74.exe	32
PID 2736 wrote to memory of 2472	2736	3b9e9e130d52fe95c8be82aa4b8feb74.exe	32
PID 2736 wrote to memory of 2472	2736	3b9e9e130d52fe95c8be82aa4b8feb74.exe	32
PID 2736 wrote to memory of 2472	2736	3b9e9e130d52fe95c8be82aa4b8feb74.exe	32
PID 2736 wrote to memory of 2472	2736	3b9e9e130d52fe95c8be82aa4b8feb74.exe	32
PID 2472 wrote to memory of 2324	2472	3b9e9e130d52fe95c8be82aa4b8feb74.exe	33
PID 2472 wrote to memory of 2324	2472	3b9e9e130d52fe95c8be82aa4b8feb74.exe	33
PID 2472 wrote to memory of 2324	2472	3b9e9e130d52fe95c8be82aa4b8feb74.exe	33
PID 2472 wrote to memory of 2324	2472	3b9e9e130d52fe95c8be82aa4b8feb74.exe	33
PID 2324 wrote to memory of 2532	2324	build2.exe	34
PID 2324 wrote to memory of 2532	2324	build2.exe	34
PID 2324 wrote to memory of 2532	2324	build2.exe	34
PID 2324 wrote to memory of 2532	2324	build2.exe	34
PID 2324 wrote to memory of 2532	2324	build2.exe	34
PID 2324 wrote to memory of 2532	2324	build2.exe	34
PID 2324 wrote to memory of 2532	2324	build2.exe	34
PID 2324 wrote to memory of 2532	2324	build2.exe	34
PID 2324 wrote to memory of 2532	2324	build2.exe	34
PID 2324 wrote to memory of 2532	2324	build2.exe	34
PID 2324 wrote to memory of 2532	2324	build2.exe	34
PID 2532 wrote to memory of 2064	2532	build2.exe	36
PID 2532 wrote to memory of 2064	2532	build2.exe	36
PID 2532 wrote to memory of 2064	2532	build2.exe	36
PID 2532 wrote to memory of 2064	2532	build2.exe	36

C:\Users\Admin\AppData\Local\Temp\3b9e9e130d52fe95c8be82aa4b8feb74.exe
"C:\Users\Admin\AppData\Local\Temp\3b9e9e130d52fe95c8be82aa4b8feb74.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1160
- C:\Users\Admin\AppData\Local\Temp\3b9e9e130d52fe95c8be82aa4b8feb74.exe
  "C:\Users\Admin\AppData\Local\Temp\3b9e9e130d52fe95c8be82aa4b8feb74.exe"
  2⤵
  - Adds Run key to start application
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2096
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\8b5a767d-e5d0-4d9c-b744-8181876a3fa5" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:2672
- - C:\Users\Admin\AppData\Local\Temp\3b9e9e130d52fe95c8be82aa4b8feb74.exe
    "C:\Users\Admin\AppData\Local\Temp\3b9e9e130d52fe95c8be82aa4b8feb74.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2736
  - - C:\Users\Admin\AppData\Local\Temp\3b9e9e130d52fe95c8be82aa4b8feb74.exe
      "C:\Users\Admin\AppData\Local\Temp\3b9e9e130d52fe95c8be82aa4b8feb74.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Loads dropped DLL
      Modifies system certificate store
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:2472
    - - C:\Users\Admin\AppData\Local\ab3d8a1f-1855-455c-a7c6-78dd824e7e71\build2.exe
        
        "C:\Users\Admin\AppData\Local\ab3d8a1f-1855-455c-a7c6-78dd824e7e71\build2.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:2324
      - C:\Users\Admin\AppData\Local\ab3d8a1f-1855-455c-a7c6-78dd824e7e71\build2.exe
        
        "C:\Users\Admin\AppData\Local\ab3d8a1f-1855-455c-a7c6-78dd824e7e71\build2.exe"
        6⤵
        Executes dropped EXE
        Modifies system certificate store
        Suspicious use of WriteProcessMemory
        
        PID:2532
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 1440
        7⤵
        Loads dropped DLL
        Program crash
        
        PID:2064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

Filesize
1KB

MD5
56d79b1038102a5d57d2d6b86dadfcd3

SHA1
ec07c37245db9432a81ddbb7a3cb492c04d9a20d

SHA256
0690e09d1fd988e1b9cf868ff5537e0a595afe675918238f485302cdb453028b

SHA512
8e3d6bca43a569eb651f4cf2e1424956a963a91a760cdb4bd6185bd14c753c1726aeed1fa37c5ef2d302ce804249505e71313fab1b175d603306b56a3ac7e3f5

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

Filesize
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

Filesize
724B

MD5
8202a1cd02e7d69597995cabbe881a12

SHA1
8858d9d934b7aa9330ee73de6c476acf19929ff6

SHA256
58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5

SHA512
97ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

Filesize
1KB

MD5
a266bb7dcc38a562631361bbf61dd11b

SHA1
3b1efd3a66ea28b16697394703a72ca340a05bd5

SHA256
df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

SHA512
0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

Filesize
410B

MD5
8c34362373c3162ab3478ebe31d22165

SHA1
afe3821a1048787c46059549d85b8381ae96b699

SHA256
92f09e0c76cb11c2949e84e5b40e3d30e914ee9f8f7291b4d6f8c42342769a49

SHA512
74129b1a723bba0c5b52bc5b6f84aa08eec314cbea09e55981ba27d09ceab178be1842ec85e85d4016236e5b617427267ef89aef1f8f64a82f89d665db3cfcf2

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

Filesize
344B

MD5
bb5370d5f151a9a4186eafae51dcdfda

SHA1
faab9bdbafa391bcfa53e7001ac8b09dc44c7f53

SHA256
3b9596485175fb5279cb545c9517626c9c45775db2da06bbd5df381460109e7b

SHA512
317accdeb6deb031ef015679797d74d9ac567dffed4e8cd8f248f7cf020c8266e59436082597cf7e9d581fe0938671e2fd9fce2938ee164df90c74c0d3064abb

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

Filesize
392B

MD5
62761d1f997cac490ee29f857885e117

SHA1
2318e2e840ea48cd32b82ed9f6e7cc87559e23c9

SHA256
133d9bf56c9a32a78aeca940e4b522331797b2b04b3e6417e9a0a3208e315da5

SHA512
7ce054ce5cd0a90644941780ec08c0e82b1ffb44fdfd6b04e2a75627312f9b9c05f31e4ff56c353e516e02158cbf7193d498c57de3cd0b6004e62e7e1807c5a5

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

Filesize
242B

MD5
997ce6aadced464d435304988b675997

SHA1
25a1be1d87a538cadcf7ac9a1cdb663f6d3906b4

SHA256
7b7108e6b3875b73eaa8e2eb843f143ae66e7ec1724160f88aa4e90108ce263a

SHA512
b78459a38aa546b3eae7bacfed4322551394ddd9286f638b11d0b7943f9aa1a780c568780517ea3f037d2223ac876d062e7acac500dd7d7febe1bdba9dfb2fc1

Download Submit
C:\Users\Admin\AppData\Local\8b5a767d-e5d0-4d9c-b744-8181876a3fa5\3b9e9e130d52fe95c8be82aa4b8feb74.exe

Filesize
811KB

MD5
3b9e9e130d52fe95c8be82aa4b8feb74

SHA1
1cad525ecc17fb320bd8256e9cd106b989f97354

SHA256
caeecccfee0962fbe3d4fb4ab336bf3d1230b12ad0821ff66f7a2cabc289c954

SHA512
bb360a72f52fcb1a26a8e94ab31c74092cbc8f2a2c12756f4f2b2c81a7d96bbdf440b0daad26fbd2593371794061bf0372989dc845333ff882f782280b609e25

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar2222.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\ab3d8a1f-1855-455c-a7c6-78dd824e7e71\build2.exe

Filesize
342KB

MD5
26544ec9adc1864de80222fb0b38e6dc

SHA1
2ca52374bb468a8e2c10d39b64d1e4e9d7d0adee

SHA256
03b38ccf2c3145839d5ea7c5ccec609de3a67a7e435e94ca05c8c080d9df4411

SHA512
f7eb99db8eb4df15ac252bd4523a407b32089d22c435303499bc3813ecdf1ffbc8483417bb97e901fba3e3f36c6e9e47eb30fa78b7c461d3f78f5d5899fae730

Download Submit
memory/1160-7-0x0000000003030000-0x00000000030C2000-memory.dmp

Filesize
584KB

Download
memory/1160-1-0x0000000003030000-0x00000000030C2000-memory.dmp

Filesize
584KB

Download
memory/1160-2-0x00000000030D0000-0x00000000031EB000-memory.dmp

Filesize
1.1MB

Download
memory/1160-0-0x0000000003030000-0x00000000030C2000-memory.dmp

Filesize
584KB

Download
memory/2096-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2096-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2096-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2096-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2096-45-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2324-98-0x0000000000230000-0x0000000000261000-memory.dmp

Filesize
196KB

Download
memory/2324-96-0x0000000002F16000-0x0000000002F32000-memory.dmp

Filesize
112KB

Download
memory/2472-70-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2472-101-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2472-71-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2472-75-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2472-77-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2472-78-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2472-53-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2472-54-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2472-239-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2532-94-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/2532-99-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/2532-100-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/2532-232-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/2532-92-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2736-47-0x00000000002C0000-0x0000000000352000-memory.dmp

Filesize
584KB

Download
memory/2736-48-0x00000000002C0000-0x0000000000352000-memory.dmp

Filesize
584KB

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