Analysis
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max time kernel
145s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
27/09/2023, 13:16
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20230915-en
General
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Target
file.exe
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Size
742KB
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MD5
bec80e84ddee518c179648ad2dcf986c
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SHA1
71e984015c39cc6bb1cbfb221e961c04640e84a2
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SHA256
a868844a924f062a38ee0d95f8d1eff04a1d62bed3acfbba5e7e1dde1bb47afa
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SHA512
006f11a4a169f46fca6cd03540bf00f4c8d26317353fe6baee5109b9b0e55c4e6466e4645c509c9f455dc194d997544d8e524f515d72f90d4254587b5a70752d
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SSDEEP
12288:xcNFo7E3CfWIP/H3Op3aT6on/P2WYRLrKE6PCzMjrITexEea3EkgFp27SkZ/JaW:xcNFo7lc+Pmrnz2eeOeaXpbZ/gW
Malware Config
Extracted
djvu
http://zexeq.com/test2/get.php
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extension
.mzre
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offline_id
64GZgS7xxeK837qu1w0KPUK0sweaDoAeJlv15vt1
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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-sxZWJ43EKx 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: 0795JOsie
Extracted
vidar
5.8
be957cbbdc7ee5ad3ee6c696b5eb3079
https://steamcommunity.com/profiles/76561199555780195
https://t.me/solonichat
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profile_id_v2
be957cbbdc7ee5ad3ee6c696b5eb3079
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user_agent
Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.0.0 Safari/537.36
Signatures
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Detected Djvu ransomware 16 IoCs
resource yara_rule behavioral2/memory/3860-1-0x00000000022E0000-0x00000000023FB000-memory.dmp family_djvu behavioral2/memory/4336-2-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4336-3-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4336-4-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4336-6-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4336-15-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2688-18-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2688-19-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2688-20-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2688-25-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2688-26-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2688-33-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2688-35-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2688-38-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2688-73-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2688-122-0x0000000000400000-0x0000000000537000-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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Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Control Panel\International\Geo\Nation file.exe Key value queried \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Control Panel\International\Geo\Nation build2.exe Key value queried \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Control Panel\International\Geo\Nation file.exe -
Executes dropped EXE 3 IoCs
pid Process 4996 build2.exe 3524 build2.exe 3268 build3.exe -
Loads dropped DLL 2 IoCs
pid Process 3524 build2.exe 3524 build2.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 748 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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\f8ccbdb9-5c15-433f-af5a-64b4daa74d15\\file.exe\" --AutoStart" file.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 20 api.2ip.ua 21 api.2ip.ua 32 api.2ip.ua -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 3860 set thread context of 4336 3860 file.exe 85 PID 1612 set thread context of 2688 1612 file.exe 89 PID 4996 set thread context of 3524 4996 build2.exe 95 -
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 -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2308 schtasks.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2896 timeout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4336 file.exe 4336 file.exe 2688 file.exe 2688 file.exe 3524 build2.exe 3524 build2.exe -
Suspicious use of WriteProcessMemory 50 IoCs
description pid Process procid_target PID 3860 wrote to memory of 4336 3860 file.exe 85 PID 3860 wrote to memory of 4336 3860 file.exe 85 PID 3860 wrote to memory of 4336 3860 file.exe 85 PID 3860 wrote to memory of 4336 3860 file.exe 85 PID 3860 wrote to memory of 4336 3860 file.exe 85 PID 3860 wrote to memory of 4336 3860 file.exe 85 PID 3860 wrote to memory of 4336 3860 file.exe 85 PID 3860 wrote to memory of 4336 3860 file.exe 85 PID 3860 wrote to memory of 4336 3860 file.exe 85 PID 3860 wrote to memory of 4336 3860 file.exe 85 PID 4336 wrote to memory of 748 4336 file.exe 86 PID 4336 wrote to memory of 748 4336 file.exe 86 PID 4336 wrote to memory of 748 4336 file.exe 86 PID 4336 wrote to memory of 1612 4336 file.exe 87 PID 4336 wrote to memory of 1612 4336 file.exe 87 PID 4336 wrote to memory of 1612 4336 file.exe 87 PID 1612 wrote to memory of 2688 1612 file.exe 89 PID 1612 wrote to memory of 2688 1612 file.exe 89 PID 1612 wrote to memory of 2688 1612 file.exe 89 PID 1612 wrote to memory of 2688 1612 file.exe 89 PID 1612 wrote to memory of 2688 1612 file.exe 89 PID 1612 wrote to memory of 2688 1612 file.exe 89 PID 1612 wrote to memory of 2688 1612 file.exe 89 PID 1612 wrote to memory of 2688 1612 file.exe 89 PID 1612 wrote to memory of 2688 1612 file.exe 89 PID 1612 wrote to memory of 2688 1612 file.exe 89 PID 2688 wrote to memory of 4996 2688 file.exe 93 PID 2688 wrote to memory of 4996 2688 file.exe 93 PID 2688 wrote to memory of 4996 2688 file.exe 93 PID 4996 wrote to memory of 3524 4996 build2.exe 95 PID 4996 wrote to memory of 3524 4996 build2.exe 95 PID 4996 wrote to memory of 3524 4996 build2.exe 95 PID 4996 wrote to memory of 3524 4996 build2.exe 95 PID 4996 wrote to memory of 3524 4996 build2.exe 95 PID 4996 wrote to memory of 3524 4996 build2.exe 95 PID 4996 wrote to memory of 3524 4996 build2.exe 95 PID 4996 wrote to memory of 3524 4996 build2.exe 95 PID 4996 wrote to memory of 3524 4996 build2.exe 95 PID 2688 wrote to memory of 3268 2688 file.exe 96 PID 2688 wrote to memory of 3268 2688 file.exe 96 PID 2688 wrote to memory of 3268 2688 file.exe 96 PID 3268 wrote to memory of 2308 3268 build3.exe 98 PID 3268 wrote to memory of 2308 3268 build3.exe 98 PID 3268 wrote to memory of 2308 3268 build3.exe 98 PID 3524 wrote to memory of 852 3524 build2.exe 100 PID 3524 wrote to memory of 852 3524 build2.exe 100 PID 3524 wrote to memory of 852 3524 build2.exe 100 PID 852 wrote to memory of 2896 852 cmd.exe 102 PID 852 wrote to memory of 2896 852 cmd.exe 102 PID 852 wrote to memory of 2896 852 cmd.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3860 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4336 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\f8ccbdb9-5c15-433f-af5a-64b4daa74d15" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:748
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1612 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2688 -
C:\Users\Admin\AppData\Local\95ac1e48-c759-4b8a-aefe-73c6c5e49fe7\build2.exe"C:\Users\Admin\AppData\Local\95ac1e48-c759-4b8a-aefe-73c6c5e49fe7\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4996 -
C:\Users\Admin\AppData\Local\95ac1e48-c759-4b8a-aefe-73c6c5e49fe7\build2.exe"C:\Users\Admin\AppData\Local\95ac1e48-c759-4b8a-aefe-73c6c5e49fe7\build2.exe"6⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3524 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\95ac1e48-c759-4b8a-aefe-73c6c5e49fe7\build2.exe" & exit7⤵
- Suspicious use of WriteProcessMemory
PID:852 -
C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
PID:2896
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C:\Users\Admin\AppData\Local\95ac1e48-c759-4b8a-aefe-73c6c5e49fe7\build3.exe"C:\Users\Admin\AppData\Local\95ac1e48-c759-4b8a-aefe-73c6c5e49fe7\build3.exe"5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3268 -
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:2308
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize2KB
MD509d2bae3b05f4c92b25a8c6225df6483
SHA1ff084d8a1f43903b95bf9144b3719126a3d40cc8
SHA256a282e51236ad1fb5eb73b2d8d8cb022213cda792705d8f595b504e2b6d2e00c5
SHA5122151cb657a649acbc7009b20a0101f4d196a2c3cf4793885f95e8b865fb6da424a17fa139b97e312e2157a559beb5be63c824841c871114fec949d810c92bd2c
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize1KB
MD5c0419d05ad443966df72dd199ad71dd8
SHA10ba0b1ddfbd9e45879342dba9191efbc478edf05
SHA25649e4e0f0690e9d8e830bd520e4cd37e616a530274c6b9ce978f11c122c19696b
SHA512e63bd124dd8d1b8993b42507a81e39c74edabfc5798cef0869638f3c2ee95a4646aab829d0d974e7912d7fa127f1098d98b92d31b4b01e1d4b4ddfd8e6e84c91
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize488B
MD50008aebb527d3bb43aec76f2501a8fba
SHA145e0d0999580dc1194ac4c8ecfb17b51780187cc
SHA256b75770273ba12e0dd311d8643032bebdc8fca681a74e3956c7bdbfca34396607
SHA51295196ff8261ef6e38d9a2fe82b879ac6a745cfccfb2b9f6d5cf5dae1efe0fdf668f8317ef74d69b08c50a9063549bce705a17e8835c3d9da626a1e185c9b84ea
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize482B
MD5b27c29f57b80996018f70d6b0a8b2e07
SHA1cbb3fa3e8b1631c3043b760a4963a249cb042d96
SHA25671f535528e3d19afb6763df79de6ca898930595d31f4625eb3425f4169c00cfe
SHA512cd696e1bf7397b58782eddbb9a864c13ac9e08a748fe9316dff0d860e26809c64290c5b7082583cbfd154e3b4ac1419c97c4d622f331154227f155cfeeb499a7
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Filesize
418KB
MD5dcd1bd0f92fe24bf269f0e3ace8de280
SHA173c06bb4010b87a83e07bcaf3d181e68d24da11f
SHA256fc0757507960b91ab61afe79de7e316fabde48f983a8a497a709c19c99012456
SHA5122846a18a6687b26a4ec7267b16f139a10c1ace288f5bc893a5e600f07dc9714517f2610f33518afda41707a31a68cf0cbcd4b838568bba6f1833edc7300d6ceb
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Filesize
418KB
MD5dcd1bd0f92fe24bf269f0e3ace8de280
SHA173c06bb4010b87a83e07bcaf3d181e68d24da11f
SHA256fc0757507960b91ab61afe79de7e316fabde48f983a8a497a709c19c99012456
SHA5122846a18a6687b26a4ec7267b16f139a10c1ace288f5bc893a5e600f07dc9714517f2610f33518afda41707a31a68cf0cbcd4b838568bba6f1833edc7300d6ceb
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Filesize
418KB
MD5dcd1bd0f92fe24bf269f0e3ace8de280
SHA173c06bb4010b87a83e07bcaf3d181e68d24da11f
SHA256fc0757507960b91ab61afe79de7e316fabde48f983a8a497a709c19c99012456
SHA5122846a18a6687b26a4ec7267b16f139a10c1ace288f5bc893a5e600f07dc9714517f2610f33518afda41707a31a68cf0cbcd4b838568bba6f1833edc7300d6ceb
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Filesize
418KB
MD5dcd1bd0f92fe24bf269f0e3ace8de280
SHA173c06bb4010b87a83e07bcaf3d181e68d24da11f
SHA256fc0757507960b91ab61afe79de7e316fabde48f983a8a497a709c19c99012456
SHA5122846a18a6687b26a4ec7267b16f139a10c1ace288f5bc893a5e600f07dc9714517f2610f33518afda41707a31a68cf0cbcd4b838568bba6f1833edc7300d6ceb
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a
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Filesize
742KB
MD5bec80e84ddee518c179648ad2dcf986c
SHA171e984015c39cc6bb1cbfb221e961c04640e84a2
SHA256a868844a924f062a38ee0d95f8d1eff04a1d62bed3acfbba5e7e1dde1bb47afa
SHA512006f11a4a169f46fca6cd03540bf00f4c8d26317353fe6baee5109b9b0e55c4e6466e4645c509c9f455dc194d997544d8e524f515d72f90d4254587b5a70752d