djvu | 1918cc07f0b41a9e9dc18e715e5862a68ca49d61fdad7d76126953629c05be98

Analysis

max time kernel
45s
max time network
136s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
05-08-2022 09:11

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General

Target

28fb096cbce32cf1f87719254452014f.exe
Size

730KB
MD5

28fb096cbce32cf1f87719254452014f
SHA1

50ceaddc379e1376a579e4c9d4465fd3c734c277
SHA256

1918cc07f0b41a9e9dc18e715e5862a68ca49d61fdad7d76126953629c05be98
SHA512

eb5468f817ca4dee892eb200e920796e175298667fc86f934912c6bd304aa54d39ad4535fa12bdd0c803ac7ee164281372dc364ad97542585209fa39447b5a9f

Score

10^/10

djvu discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

http://acacaca.org/test2/get.php

Attributes

extension
.vvyu
offline_id
rE5LpDv2ftYRXAo7bC18EpzfRMTHSGjgfyIMfZt1
payload_url
http://rgyui.top/dl/build2.exe
http://acacaca.org/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-QsoSRIeAK6 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: support@bestyourmail.ch Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0531Jhyjd

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 10 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2020-56-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/2020-55-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2012-59-0x0000000003E40000-0x0000000003F5B000-memory.dmp	family_djvu
behavioral1/memory/2020-61-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2020-62-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2020-66-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1040-73-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1040-69-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/1040-79-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1040-114-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

build2.exebuild2.exe

pid process

1960 build2.exe
1976 build2.exe
Loads dropped DLL 2 IoCs

Processes:

28fb096cbce32cf1f87719254452014f.exe

pid process

1040 28fb096cbce32cf1f87719254452014f.exe
1040 28fb096cbce32cf1f87719254452014f.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File Permissions Modification
T1222

Processes:

icacls.exe

pid process

1288 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
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

pid	process
1960	build2.exe
1976	build2.exe

pid	process
1040	28fb096cbce32cf1f87719254452014f.exe
1040	28fb096cbce32cf1f87719254452014f.exe

pid	process
1288	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

28fb096cbce32cf1f87719254452014f.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\629a6284-b90d-4a26-ba13-beae0eec5e27\\28fb096cbce32cf1f87719254452014f.exe\" --AutoStart"	28fb096cbce32cf1f87719254452014f.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.

Processes:

flow ioc

4 api.2ip.ua
5 api.2ip.ua
13 api.2ip.ua

flow	ioc
4	api.2ip.ua
5	api.2ip.ua
13	api.2ip.ua

Suspicious use of SetThreadContext 3 IoCs

Processes:

28fb096cbce32cf1f87719254452014f.exe28fb096cbce32cf1f87719254452014f.exebuild2.exe

description	pid	process	target process
PID 2012 set thread context of 2020	2012	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 640 set thread context of 1040	640	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 1960 set thread context of 1976	1960	build2.exe	build2.exe

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

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

Processes:

build2.exe

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

Modifies system certificate store 2 TTPs 9 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

28fb096cbce32cf1f87719254452014f.exe28fb096cbce32cf1f87719254452014f.exebuild2.exe

description	ioc	process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	28fb096cbce32cf1f87719254452014f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	28fb096cbce32cf1f87719254452014f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	build2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	build2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	28fb096cbce32cf1f87719254452014f.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	28fb096cbce32cf1f87719254452014f.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	28fb096cbce32cf1f87719254452014f.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 0400000001000000100000000cd2f9e0da1773e9ed864da5e370e74e14000000010000001400000079b459e67bb6e5e40173800888c81a58f6e99b6e030000000100000014000000cabd2a79a1076a31f21d253635cb039d4329a5e80f00000001000000200000003f0411ede9c4477057d57e57883b1f205b20cdc0f3263129b1ee0269a2678f631900000001000000100000002fe1f70bb05d7c92335bc5e05b984da620000000010000006f0500003082056b30820353a0030201020211008210cfb0d240e3594463e0bb63828b00300d06092a864886f70d01010b0500304f310b300906035504061302555331293027060355040a1320496e7465726e65742053656375726974792052657365617263682047726f7570311530130603550403130c4953524720526f6f74205831301e170d3135303630343131303433385a170d3335303630343131303433385a304f310b300906035504061302555331293027060355040a1320496e7465726e65742053656375726974792052657365617263682047726f7570311530130603550403130c4953524720526f6f7420583130820222300d06092a864886f70d01010105000382020f003082020a0282020100ade82473f41437f39b9e2b57281c87bedcb7df38908c6e3ce657a078f775c2a2fef56a6ef6004f28dbde68866c4493b6b163fd14126bbf1fd2ea319b217ed1333cba48f5dd79dfb3b8ff12f1219a4bc18a8671694a66666c8f7e3c70bfad292206f3e4c0e680aee24b8fb7997e94039fd347977c99482353e838ae4f0a6f832ed149578c8074b6da2fd0388d7b0370211b75f2303cfa8faeddda63abeb164fc28e114b7ecf0be8ffb5772ef4b27b4ae04c12250c708d0329a0e15324ec13d9ee19bf10b34a8c3f89a36151deac870794f46371ec2ee26f5b9881e1895c34796c76ef3b906279e6dba49a2f26c5d010e10eded9108e16fbb7f7a8f7c7e50207988f360895e7e237960d36759efb0e72b11d9bbc03f94905d881dd05b42ad641e9ac0176950a0fd8dfd5bd121f352f28176cd298c1a80964776e4737baceac595e689d7f72d689c50641293e593edd26f524c911a75aa34c401f46a199b5a73a516e863b9e7d72a712057859ed3e5178150b038f8dd02f05b23e7b4a1c4b730512fcc6eae050137c439374b3ca74e78e1f0108d030d45b7136b407bac130305c48b7823b98a67d608aa2a32982ccbabd83041ba2830341a1d605f11bc2b6f0a87c863b46a8482a88dc769a76bf1f6aa53d198feb38f364dec82b0d0a28fff7dbe21542d422d0275de179fe18e77088ad4ee6d98b3ac6dd27516effbc64f533434f0203010001a3423040300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff301d0603551d0e0416041479b459e67bb6e5e40173800888c81a58f6e99b6e300d06092a864886f70d01010b05000382020100551f58a9bcb2a850d00cb1d81a6920272908ac61755c8a6ef882e5692fd5f6564bb9b8731059d321977ee74c71fbb2d260ad39a80bea17215685f1500e59ebcee059e9bac915ef869d8f8480f6e4e99190dc179b621b45f06695d27c6fc2ea3bef1fcfcbd6ae27f1a9b0c8aefd7d7e9afa2204ebffd97fea912b22b1170e8ff28a345b58d8fc01c954b9b826cc8a8833894c2d843c82dfee965705ba2cbbf7c4b7c74e3b82be31c822737392d1c280a43939103323824c3c9f86b255981dbe29868c229b9ee26b3b573a82704ddc09c789cb0a074d6ce85d8ec9efceabc7bbb52b4e45d64ad026cce572ca086aa595e315a1f7a4edc92c5fa5fbffac28022ebed77bbbe3717b9016d3075e46537c3707428cd3c4969cd599b52ae0951a8048ae4c3907cecc47a452952bbab8fbadd233537de51d4d6dd5a1b1c7426fe64027355ca328b7078de78d3390e7239ffb509c796c46d5b415b3966e7e9b0c963ab8522d3fd65be1fb08c284fe24a8a389daac6ae1182ab1a843615bd31fdc3b8d76f22de88d75df17336c3d53fb7bcb415fffdca2d06138e196b8ac5d8b37d775d533c09911ae9d41c1727584be0241425f67244894d19b27be073fb9b84f817451e17ab7ed9d23e2bee0d52804133c31039edd7a6c8fc60718c67fde478e3f289e0406cfa5543477bdec899be91743df5bdb5ffe8e1e57a2cd409d7e6222dade1827	build2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	build2.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

28fb096cbce32cf1f87719254452014f.exe28fb096cbce32cf1f87719254452014f.exebuild2.exe

pid	process
2020	28fb096cbce32cf1f87719254452014f.exe
2020	28fb096cbce32cf1f87719254452014f.exe
1040	28fb096cbce32cf1f87719254452014f.exe
1040	28fb096cbce32cf1f87719254452014f.exe
1976	build2.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

28fb096cbce32cf1f87719254452014f.exe28fb096cbce32cf1f87719254452014f.exe28fb096cbce32cf1f87719254452014f.exe28fb096cbce32cf1f87719254452014f.exebuild2.exe

C:\Users\Admin\AppData\Local\Temp\28fb096cbce32cf1f87719254452014f.exe
"C:\Users\Admin\AppData\Local\Temp\28fb096cbce32cf1f87719254452014f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2012

C:\Users\Admin\AppData\Local\Temp\28fb096cbce32cf1f87719254452014f.exe
"C:\Users\Admin\AppData\Local\Temp\28fb096cbce32cf1f87719254452014f.exe"
2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2020

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\629a6284-b90d-4a26-ba13-beae0eec5e27" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:1288

C:\Users\Admin\AppData\Local\Temp\28fb096cbce32cf1f87719254452014f.exe
"C:\Users\Admin\AppData\Local\Temp\28fb096cbce32cf1f87719254452014f.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:640

C:\Users\Admin\AppData\Local\Temp\28fb096cbce32cf1f87719254452014f.exe
"C:\Users\Admin\AppData\Local\Temp\28fb096cbce32cf1f87719254452014f.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Loads dropped DLL
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1040

C:\Users\Admin\AppData\Local\48f407ca-47b1-499e-8922-bbbdf1eed213\build2.exe
"C:\Users\Admin\AppData\Local\48f407ca-47b1-499e-8922-bbbdf1eed213\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1960

C:\Users\Admin\AppData\Local\48f407ca-47b1-499e-8922-bbbdf1eed213\build2.exe
"C:\Users\Admin\AppData\Local\48f407ca-47b1-499e-8922-bbbdf1eed213\build2.exe"
6⤵
- Executes dropped EXE
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
PID:1976

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

File Permissions Modification

T1222

Modify Registry

T1112

Install Root Certificate

T1130

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize
2KB

MD5
eba45bc75daf7421d4767f04582068ca

SHA1
e2d2b46d3780a8b7cdde6e542430f0da28684ce8

SHA256
87f79123a6048371f5e4eccca848509ff8315dea4be740c8480fe945c02b4f38

SHA512
0c081c029224806b1f1f200da673a9554e5d40756736f9ca8bc073c25703092c6d1e72a2fd971b41bedeba26e6ca9fa85486df39f852505925a49d8b94e0e330

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize
1KB

MD5
4f74b1c3f52834fb5d5d0946410f286a

SHA1
e8b1734733535d236f422c282271e97b784b5261

SHA256
56b6f9f565e620e3cc377ac2265180c96efff2844f11cbb229eef977327869f1

SHA512
b84101ebe8570b2f0ecbefafcf58b941100ac6efc9cbbfc711e57bedf6cb6fc62141bd2d66c34f4b316568948ff6448c96ddef2cfde625965a9ea5968beefb2c

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize
488B

MD5
09dc165d269c1bb5413fe412aa2bccfa

SHA1
457380ebc7c5d2eaafbcd41b5ee3fe3d75062de5

SHA256
e9baa6b38c8b275f4788c4155ded406db8ea82906f4f27b57a3ecbfcbd09b5b8

SHA512
c6565bbea2de272c0dc30f1e8245e13cb47bb1ca435519cc3ae792be3cc8126ea209eddf3e0146d499a1db8ad2ceed1c6d5344f42e81812b26d5ec4b73dd7153

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
340B

MD5
ca325956a638a73b45f79683acab31f3

SHA1
7164c96dcde675e929433530680e8ede67030a1a

SHA256
87a7bf9753d746a85e42068b75abc8f68021dec980aaa4b28029716a72ffc8bf

SHA512
f8e19622434e1029d88ae67ae964466cb9d63055509ced6b1cebdd79bfc91bb864655a070e7ce8908436680b64c1e93aee98bd52b9d1379a116689f2a07e12a2

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize
396B

MD5
870675dac325ff74175ad3a2a1a812fa

SHA1
f17a026390e48a10a958fe83346899857d6533bf

SHA256
2874d35b1d62ae5cd982f448e9fefc35dc83816be3e2d97d1cf0c6ab99aac9e7

SHA512
90008500aaa964606dde40565b47002166061625694df9c9b107b4362fd1915dbb6903073d36b3cdc5834772d972278b13ba7eb854878e9ca70c6b8ebc6e3752

Download Submit
C:\Users\Admin\AppData\Local\48f407ca-47b1-499e-8922-bbbdf1eed213\build2.exe
Filesize
438KB

MD5
2f3d0323ba962334ef87ed098ad02289

SHA1
5b4c70e331af83eaf384f45a01e322b094353375

SHA256
12a51367c5c85ff3c1dc73743cface2e01accecf2879a36adbddf566d52987b3

SHA512
1e33ace1068f614bfac35aa67733c2806328b586be273a611409df87be03c5edc9e312ab213004c8fab71453ef5e34e474d9273c4a97d95d135c18f440674ad3

Download Submit
C:\Users\Admin\AppData\Local\48f407ca-47b1-499e-8922-bbbdf1eed213\build2.exe
Filesize
438KB

MD5
2f3d0323ba962334ef87ed098ad02289

SHA1
5b4c70e331af83eaf384f45a01e322b094353375

SHA256
12a51367c5c85ff3c1dc73743cface2e01accecf2879a36adbddf566d52987b3

SHA512
1e33ace1068f614bfac35aa67733c2806328b586be273a611409df87be03c5edc9e312ab213004c8fab71453ef5e34e474d9273c4a97d95d135c18f440674ad3

Download Submit
C:\Users\Admin\AppData\Local\48f407ca-47b1-499e-8922-bbbdf1eed213\build2.exe
Filesize
438KB

MD5
2f3d0323ba962334ef87ed098ad02289

SHA1
5b4c70e331af83eaf384f45a01e322b094353375

SHA256
12a51367c5c85ff3c1dc73743cface2e01accecf2879a36adbddf566d52987b3

SHA512
1e33ace1068f614bfac35aa67733c2806328b586be273a611409df87be03c5edc9e312ab213004c8fab71453ef5e34e474d9273c4a97d95d135c18f440674ad3

Download Submit
C:\Users\Admin\AppData\Local\629a6284-b90d-4a26-ba13-beae0eec5e27\28fb096cbce32cf1f87719254452014f.exe
Filesize
730KB

MD5
28fb096cbce32cf1f87719254452014f

SHA1
50ceaddc379e1376a579e4c9d4465fd3c734c277

SHA256
1918cc07f0b41a9e9dc18e715e5862a68ca49d61fdad7d76126953629c05be98

SHA512
eb5468f817ca4dee892eb200e920796e175298667fc86f934912c6bd304aa54d39ad4535fa12bdd0c803ac7ee164281372dc364ad97542585209fa39447b5a9f

Download Submit
\Users\Admin\AppData\Local\48f407ca-47b1-499e-8922-bbbdf1eed213\build2.exe
Filesize
438KB

MD5
2f3d0323ba962334ef87ed098ad02289

SHA1
5b4c70e331af83eaf384f45a01e322b094353375

SHA256
12a51367c5c85ff3c1dc73743cface2e01accecf2879a36adbddf566d52987b3

SHA512
1e33ace1068f614bfac35aa67733c2806328b586be273a611409df87be03c5edc9e312ab213004c8fab71453ef5e34e474d9273c4a97d95d135c18f440674ad3

Download Submit
\Users\Admin\AppData\Local\48f407ca-47b1-499e-8922-bbbdf1eed213\build2.exe
Filesize
438KB

MD5
2f3d0323ba962334ef87ed098ad02289

SHA1
5b4c70e331af83eaf384f45a01e322b094353375

SHA256
12a51367c5c85ff3c1dc73743cface2e01accecf2879a36adbddf566d52987b3

SHA512
1e33ace1068f614bfac35aa67733c2806328b586be273a611409df87be03c5edc9e312ab213004c8fab71453ef5e34e474d9273c4a97d95d135c18f440674ad3

Download Submit
memory/640-65-0x0000000000000000-mapping.dmp

Download
memory/640-67-0x0000000000300000-0x0000000000392000-memory.dmp

Filesize
584KB

Download
memory/640-71-0x0000000000300000-0x0000000000392000-memory.dmp

Filesize
584KB

Download
memory/1040-79-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1040-114-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1040-73-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1040-69-0x0000000000424141-mapping.dmp

Download
memory/1288-63-0x0000000000000000-mapping.dmp

Download
memory/1960-82-0x0000000000000000-mapping.dmp

Download
memory/1960-88-0x000000000058B000-0x00000000005B4000-memory.dmp

Filesize
164KB

Download
memory/1960-91-0x0000000000220000-0x0000000000266000-memory.dmp

Filesize
280KB

Download
memory/1976-90-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/1976-86-0x000000000041FE8C-mapping.dmp

Download
memory/1976-113-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/1976-94-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/1976-93-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/1976-85-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/2012-59-0x0000000003E40000-0x0000000003F5B000-memory.dmp

Filesize
1.1MB

Download
memory/2012-54-0x0000000000310000-0x00000000003A2000-memory.dmp

Filesize
584KB

Download
memory/2012-57-0x0000000000310000-0x00000000003A2000-memory.dmp

Filesize
584KB

Download
memory/2020-61-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2020-56-0x0000000000424141-mapping.dmp

Download
memory/2020-60-0x0000000075791000-0x0000000075793000-memory.dmp

Filesize
8KB

Download
memory/2020-55-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2020-62-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2020-66-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download

description	pid	process	target process
PID 2012 wrote to memory of 2020	2012	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 2012 wrote to memory of 2020	2012	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 2012 wrote to memory of 2020	2012	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 2012 wrote to memory of 2020	2012	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 2012 wrote to memory of 2020	2012	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 2012 wrote to memory of 2020	2012	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 2012 wrote to memory of 2020	2012	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 2012 wrote to memory of 2020	2012	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 2012 wrote to memory of 2020	2012	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 2012 wrote to memory of 2020	2012	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 2012 wrote to memory of 2020	2012	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 2020 wrote to memory of 1288	2020	28fb096cbce32cf1f87719254452014f.exe	icacls.exe
PID 2020 wrote to memory of 1288	2020	28fb096cbce32cf1f87719254452014f.exe	icacls.exe
PID 2020 wrote to memory of 1288	2020	28fb096cbce32cf1f87719254452014f.exe	icacls.exe
PID 2020 wrote to memory of 1288	2020	28fb096cbce32cf1f87719254452014f.exe	icacls.exe
PID 2020 wrote to memory of 640	2020	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 2020 wrote to memory of 640	2020	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 2020 wrote to memory of 640	2020	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 2020 wrote to memory of 640	2020	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 640 wrote to memory of 1040	640	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 640 wrote to memory of 1040	640	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 640 wrote to memory of 1040	640	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 640 wrote to memory of 1040	640	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 640 wrote to memory of 1040	640	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 640 wrote to memory of 1040	640	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 640 wrote to memory of 1040	640	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 640 wrote to memory of 1040	640	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 640 wrote to memory of 1040	640	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 640 wrote to memory of 1040	640	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 640 wrote to memory of 1040	640	28fb096cbce32cf1f87719254452014f.exe	28fb096cbce32cf1f87719254452014f.exe
PID 1040 wrote to memory of 1960	1040	28fb096cbce32cf1f87719254452014f.exe	build2.exe
PID 1040 wrote to memory of 1960	1040	28fb096cbce32cf1f87719254452014f.exe	build2.exe
PID 1040 wrote to memory of 1960	1040	28fb096cbce32cf1f87719254452014f.exe	build2.exe
PID 1040 wrote to memory of 1960	1040	28fb096cbce32cf1f87719254452014f.exe	build2.exe
PID 1960 wrote to memory of 1976	1960	build2.exe	build2.exe
PID 1960 wrote to memory of 1976	1960	build2.exe	build2.exe
PID 1960 wrote to memory of 1976	1960	build2.exe	build2.exe
PID 1960 wrote to memory of 1976	1960	build2.exe	build2.exe
PID 1960 wrote to memory of 1976	1960	build2.exe	build2.exe
PID 1960 wrote to memory of 1976	1960	build2.exe	build2.exe
PID 1960 wrote to memory of 1976	1960	build2.exe	build2.exe
PID 1960 wrote to memory of 1976	1960	build2.exe	build2.exe
PID 1960 wrote to memory of 1976	1960	build2.exe	build2.exe