Analysis
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max time kernel
295s -
max time network
181s -
platform
windows10-1703_x64 -
resource
win10-20230621-en -
resource tags
arch:x64arch:x86image:win10-20230621-enlocale:en-usos:windows10-1703-x64system -
submitted
30/06/2023, 05:04
Static task
static1
Behavioral task
behavioral1
Sample
fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe
Resource
win7-20230621-en
Behavioral task
behavioral2
Sample
fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe
Resource
win10-20230621-en
General
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Target
fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe
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Size
783KB
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MD5
2b1d02748bbf2a293604986d1e694a44
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SHA1
be2d8db989a9c0797991e27ef80044ba36b50f1d
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SHA256
fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8
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SHA512
e61bd9a6de336c5d3bd47aa9efba7dcafa55e827bb3627f2ca5e7714bb8458560f01b0806fc8450bab1a9ecafd253156c395bd3680ed924469d78a35961c4257
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SSDEEP
12288:AnedjM5K9AlaDf00EdmwoTaDTHsTlVn1U0PU1oRCRK5SmGXPU3WCRCt:AnofDzEYwo+DTWnW0cyIkVkPKy
Malware Config
Extracted
djvu
http://zexeq.com/test1/get.php
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extension
.aghz
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offline_id
IGjpno8dwAKJpBjbvlsxfyQXyNoBoo3dXUtMk6t1
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payload_url
http://colisumy.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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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-3OsGArf4HD 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: 0735JOsie
Extracted
vidar
4.5
75b38583a079a9212c1fa894fd1b945f
https://steamcommunity.com/profiles/76561199520592470
https://t.me/motafan
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profile_id_v2
75b38583a079a9212c1fa894fd1b945f
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/111.0
Signatures
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Detected Djvu ransomware 16 IoCs
resource yara_rule behavioral2/memory/3288-118-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2260-120-0x0000000002310000-0x000000000242B000-memory.dmp family_djvu behavioral2/memory/3288-119-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3288-121-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3288-127-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3288-133-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1952-137-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1952-138-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1952-143-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1952-144-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1952-145-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1952-149-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1952-151-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1952-152-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1952-153-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1952-168-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 3820 build2.exe 4708 build2.exe -
Loads dropped DLL 2 IoCs
pid Process 4708 build2.exe 4708 build2.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 4148 icacls.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3592352177-2971570228-3741369827-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\6bc12163-2e9c-4253-86f6-76a32896dc13\\fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe\" --AutoStart" fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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 1 api.2ip.ua 2 api.2ip.ua 12 api.2ip.ua -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 2260 set thread context of 3288 2260 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 66 PID 1440 set thread context of 1952 1440 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 70 PID 3820 set thread context of 4708 3820 build2.exe 72 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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 -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 3288 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 3288 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 1952 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 1952 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 4708 build2.exe 4708 build2.exe 4708 build2.exe 4708 build2.exe -
Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 2260 wrote to memory of 3288 2260 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 66 PID 2260 wrote to memory of 3288 2260 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 66 PID 2260 wrote to memory of 3288 2260 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 66 PID 2260 wrote to memory of 3288 2260 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 66 PID 2260 wrote to memory of 3288 2260 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 66 PID 2260 wrote to memory of 3288 2260 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 66 PID 2260 wrote to memory of 3288 2260 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 66 PID 2260 wrote to memory of 3288 2260 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 66 PID 2260 wrote to memory of 3288 2260 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 66 PID 2260 wrote to memory of 3288 2260 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 66 PID 3288 wrote to memory of 4148 3288 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 67 PID 3288 wrote to memory of 4148 3288 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 67 PID 3288 wrote to memory of 4148 3288 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 67 PID 3288 wrote to memory of 1440 3288 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 68 PID 3288 wrote to memory of 1440 3288 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 68 PID 3288 wrote to memory of 1440 3288 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 68 PID 1440 wrote to memory of 1952 1440 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 70 PID 1440 wrote to memory of 1952 1440 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 70 PID 1440 wrote to memory of 1952 1440 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 70 PID 1440 wrote to memory of 1952 1440 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 70 PID 1440 wrote to memory of 1952 1440 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 70 PID 1440 wrote to memory of 1952 1440 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 70 PID 1440 wrote to memory of 1952 1440 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 70 PID 1440 wrote to memory of 1952 1440 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 70 PID 1440 wrote to memory of 1952 1440 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 70 PID 1440 wrote to memory of 1952 1440 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 70 PID 1952 wrote to memory of 3820 1952 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 71 PID 1952 wrote to memory of 3820 1952 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 71 PID 1952 wrote to memory of 3820 1952 fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe 71 PID 3820 wrote to memory of 4708 3820 build2.exe 72 PID 3820 wrote to memory of 4708 3820 build2.exe 72 PID 3820 wrote to memory of 4708 3820 build2.exe 72 PID 3820 wrote to memory of 4708 3820 build2.exe 72 PID 3820 wrote to memory of 4708 3820 build2.exe 72 PID 3820 wrote to memory of 4708 3820 build2.exe 72 PID 3820 wrote to memory of 4708 3820 build2.exe 72 PID 3820 wrote to memory of 4708 3820 build2.exe 72 PID 3820 wrote to memory of 4708 3820 build2.exe 72
Processes
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C:\Users\Admin\AppData\Local\Temp\fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe"C:\Users\Admin\AppData\Local\Temp\fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2260 -
C:\Users\Admin\AppData\Local\Temp\fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe"C:\Users\Admin\AppData\Local\Temp\fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3288 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\6bc12163-2e9c-4253-86f6-76a32896dc13" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:4148
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C:\Users\Admin\AppData\Local\Temp\fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe"C:\Users\Admin\AppData\Local\Temp\fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1440 -
C:\Users\Admin\AppData\Local\Temp\fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe"C:\Users\Admin\AppData\Local\Temp\fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1952 -
C:\Users\Admin\AppData\Local\028be42b-aa3e-48b4-9270-736d81f1a3e6\build2.exe"C:\Users\Admin\AppData\Local\028be42b-aa3e-48b4-9270-736d81f1a3e6\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3820 -
C:\Users\Admin\AppData\Local\028be42b-aa3e-48b4-9270-736d81f1a3e6\build2.exe"C:\Users\Admin\AppData\Local\028be42b-aa3e-48b4-9270-736d81f1a3e6\build2.exe"6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4708
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize2KB
MD512cf3f7c5b0a343d46a960e36374432e
SHA1c4385cb8e91123bbcee01892433bc8b0c3377167
SHA2566dc7d2f12c7ed75825418011d67ecc0abb35ac3a65dc4582b9ecf8ee061bf901
SHA5127c783a5771b810ff5925d4de6dbec8fd89ff8622cc13da40afc7df9f3f369f9e835b9b0ee84b7dcec0c8253e6c16371a36405e50ec214291944d2ddb36a036c2
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize1KB
MD51f741b0c2176fb8677c5ed12d315afde
SHA1fc09a6bbb2e86a5f5751c026fc400391b977232e
SHA2566cf6b1b5c22df0dfa38b04c358821cacc893c22e18e1781d1c85e70933a7e370
SHA5127c76250ce7215ac900532ff6d7140251af587724c161d8163bfe8a32ecd21d93c8c6401560ce49c9b91f8fb40619b842a0f574599ef50422c57de52c0ae0e285
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize488B
MD5d5196021c40f06751ccf4d9769816237
SHA13acb4a2c1418871fe4a9e4f0e42cd4c558eaa757
SHA25673151ce4870b524a33ad29a85281418ea9205f64cd2f13310bbe4c4303e92755
SHA51283ba53a64b6f0ccb3d3a792dacbc17395f35df3a83f225f4fb39a0bfd835e0e0c0c0c5e90c280cb2d740d08e8d975632ad737edc41fcfecaf0da8e3dbaced670
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize482B
MD530cd01d226486dd4b4407f2a81a77428
SHA1654ae213ec2277e6fcee0456ad0b6934e9b1ea21
SHA256129300ebbf6c72754665ff978cecb93f32b303fb5b3a446bc591faab6603670d
SHA512b635b9b17a2173905d3fe7e701dc07ee4c383726318bc692686f5e38462561fa3a1aa3d8310bafc71c18ee5560121ec120ac968a6f31c54c921a5e444b0a2c73
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Filesize
330KB
MD5f11de7628c58b4cd0bc3647984edc296
SHA15aa2db4791acb3f007ebadf6cad9ff9c9ed23ec7
SHA256e356f807c297edf59ba7b0e1e0eb2a2186cc02246ad4bbe8d6fa42c7383b46c7
SHA512cc9dcbd92ca83840b33dd2cceffa446bc5b2052ba14246750233cf10ae0b21b7ae3e30192fe5a3ce186d786c8ecbe2d59a80739adae843644f1b56ac16d03d59
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Filesize
330KB
MD5f11de7628c58b4cd0bc3647984edc296
SHA15aa2db4791acb3f007ebadf6cad9ff9c9ed23ec7
SHA256e356f807c297edf59ba7b0e1e0eb2a2186cc02246ad4bbe8d6fa42c7383b46c7
SHA512cc9dcbd92ca83840b33dd2cceffa446bc5b2052ba14246750233cf10ae0b21b7ae3e30192fe5a3ce186d786c8ecbe2d59a80739adae843644f1b56ac16d03d59
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Filesize
330KB
MD5f11de7628c58b4cd0bc3647984edc296
SHA15aa2db4791acb3f007ebadf6cad9ff9c9ed23ec7
SHA256e356f807c297edf59ba7b0e1e0eb2a2186cc02246ad4bbe8d6fa42c7383b46c7
SHA512cc9dcbd92ca83840b33dd2cceffa446bc5b2052ba14246750233cf10ae0b21b7ae3e30192fe5a3ce186d786c8ecbe2d59a80739adae843644f1b56ac16d03d59
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C:\Users\Admin\AppData\Local\6bc12163-2e9c-4253-86f6-76a32896dc13\fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8.exe
Filesize783KB
MD52b1d02748bbf2a293604986d1e694a44
SHA1be2d8db989a9c0797991e27ef80044ba36b50f1d
SHA256fa7a4cefc74b946755bc35120386e77b14c2d26563421704e07dc009f80e12f8
SHA512e61bd9a6de336c5d3bd47aa9efba7dcafa55e827bb3627f2ca5e7714bb8458560f01b0806fc8450bab1a9ecafd253156c395bd3680ed924469d78a35961c4257
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571