Analysis
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max time kernel
117s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
25-06-2024 07:15
Behavioral task
behavioral1
Sample
eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe
Resource
win7-20240508-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe
Resource
win10v2004-20240611-en
windows10-2004-x64
11 signatures
150 seconds
General
-
Target
eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe
-
Size
147KB
-
MD5
448f1796fe8de02194b21c0715e0a5f6
-
SHA1
935c0b39837319fda571aa800b67d997b79c3198
-
SHA256
eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12
-
SHA512
0b93b2c881b1351ff688089abf12bbfcff279c5d6ca8733d6d821c83148d73c85cfedf5ab5bc02c2145970124b518551db3a9fc701d8084f01009ae20f71a831
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SSDEEP
3072:l6glyuxE4GsUPnliByocWep0yjEJ3hDRMK89nB2:l6gDBGpvEByocWeebbMjV4
Score
10/10
Malware Config
Extracted
Path
C:\sYMY1N6ah.README.txt
Ransom Note
***
Welcome to Brain Cipher Ransomware!
***
Dear managers!
If you're reading this, it means your systems have been hacked and encrypted and your data stolen.
***
The most proper way to safely recover your data is through our support. We can recover your systems within 4-6 hours.
In order for it to be successful, you must follow a few points:
1.Don't go to the police, etc.
2.Do not attempt to recover data on your own.
3.Do not take the help of third-party data recovery companies.
In most cases, they are scammers who will pay us a ransom and take a for themselves.
***
If you violate any 1 of these points, we will refuse to cooperate with you!!!
3 steps to data recovery:
1. Download and install Tor Browser (https://www.torproject.org/download/)
2. Go to our support page: http://mybmtbgd7aprdnw2ekxht5qap5daam2wch25coqerrq2zdioanob34ad.onion
3. Enter your encryption ID: M8AL5cWJEU5CnMMPwCdt4x9NVn0ZY2uNtIgnKwkDJwdPbnanVROYFzGmgUCImexTGDmINYgSZXdlhM7D199lNMb294TGY2
Email to support: [email protected]
Emails
URLs
http://mybmtbgd7aprdnw2ekxht5qap5daam2wch25coqerrq2zdioanob34ad.onion
Signatures
-
Deletes itself 1 IoCs
Processes:
281A.tmppid Process 1316 281A.tmp -
Executes dropped EXE 1 IoCs
Processes:
281A.tmppid Process 1316 281A.tmp -
Loads dropped DLL 1 IoCs
Processes:
eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exepid Process 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Drops desktop.ini file(s) 2 IoCs
Processes:
eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exedescription ioc Process File opened for modification C:\$Recycle.Bin\S-1-5-21-3691908287-3775019229-3534252667-1000\desktop.ini eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe File opened for modification F:\$RECYCLE.BIN\S-1-5-21-3691908287-3775019229-3534252667-1000\desktop.ini eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
Processes:
eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe281A.tmppid Process 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe 1316 281A.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exepid Process 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe -
Suspicious behavior: RenamesItself 26 IoCs
Processes:
281A.tmppid Process 1316 281A.tmp 1316 281A.tmp 1316 281A.tmp 1316 281A.tmp 1316 281A.tmp 1316 281A.tmp 1316 281A.tmp 1316 281A.tmp 1316 281A.tmp 1316 281A.tmp 1316 281A.tmp 1316 281A.tmp 1316 281A.tmp 1316 281A.tmp 1316 281A.tmp 1316 281A.tmp 1316 281A.tmp 1316 281A.tmp 1316 281A.tmp 1316 281A.tmp 1316 281A.tmp 1316 281A.tmp 1316 281A.tmp 1316 281A.tmp 1316 281A.tmp 1316 281A.tmp -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exedescription pid Process Token: SeAssignPrimaryTokenPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeBackupPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeDebugPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: 36 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeImpersonatePrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeIncBasePriorityPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeIncreaseQuotaPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: 33 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeManageVolumePrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeProfSingleProcessPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeRestorePrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeSecurityPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeSystemProfilePrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeTakeOwnershipPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeShutdownPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeDebugPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeBackupPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeBackupPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeSecurityPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeSecurityPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeBackupPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeBackupPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeSecurityPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeSecurityPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeBackupPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeBackupPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeSecurityPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeSecurityPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeBackupPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeBackupPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeSecurityPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeSecurityPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeBackupPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeBackupPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeSecurityPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeSecurityPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeBackupPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeBackupPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeSecurityPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeSecurityPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeBackupPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeBackupPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeSecurityPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeSecurityPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeBackupPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeBackupPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeSecurityPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeSecurityPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeBackupPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeBackupPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeSecurityPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeSecurityPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeBackupPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeBackupPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeSecurityPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeSecurityPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeBackupPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeBackupPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeSecurityPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeSecurityPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeBackupPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeBackupPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeSecurityPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe Token: SeSecurityPrivilege 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe281A.tmpdescription pid Process procid_target PID 1704 wrote to memory of 1316 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe 30 PID 1704 wrote to memory of 1316 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe 30 PID 1704 wrote to memory of 1316 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe 30 PID 1704 wrote to memory of 1316 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe 30 PID 1704 wrote to memory of 1316 1704 eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe 30 PID 1316 wrote to memory of 1620 1316 281A.tmp 31 PID 1316 wrote to memory of 1620 1316 281A.tmp 31 PID 1316 wrote to memory of 1620 1316 281A.tmp 31 PID 1316 wrote to memory of 1620 1316 281A.tmp 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe"C:\Users\Admin\AppData\Local\Temp\eb82946fa0de261e92f8f60aa878c9fef9ebb34fdababa66995403b110118b12.exe"1⤵
- Loads dropped DLL
- Drops desktop.ini file(s)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1704 -
C:\ProgramData\281A.tmp"C:\ProgramData\281A.tmp"2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1316 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\281A.tmp >> NUL3⤵PID:1620
-
-
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x14c1⤵PID:3060
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
129B
MD549ff52d132eaed243fa820ca58126049
SHA1952c932521c5dbe317c90b190666b73c92306aa4
SHA25674a2a2cc5788270e1c7f79a4127baec77b1a17729701ad932931b3cac15c027e
SHA512333d6c3e9300551187a59b586d3f2a74f353e105b25ecd0b575055a8b95195bc0c6224b99e3028241f4f9874279010673aae5ff32d98fe1d9d8357fa0cbcf9e7
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C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
Filesize147KB
MD5fc41c69a2ee7a4dabc42f540a3b62c08
SHA144dc58c4b4a2f006610e03fd8e34e0e7256c8f0e
SHA256d77fbc8def594de34195a8e2156425a8eca36e23f064a87d2a3f93724b6052c1
SHA51273778cef9b15a7c454eeb9c94ba8b2b9594825cf56708e2e45da45efe111195ea8e52146445f7e42a1286b88b870a36512be953bcf8819564c898e4368e16027
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Filesize
1KB
MD5deb2e0756d331362d57ad9fe408c4ff3
SHA1870865aad7c7cccafbca0c1f50f7eecaedbd4bf1
SHA2561ddacee1d25936970279557169037a335b362f86c3797ded625d68077bd0145c
SHA512e218624d2704517a358df0dfb794116bbeed3ad81daae8c07d5d969e61e7936ed043911008f4816d663de373fd23515219c8038dd22e5838af7df1678a0134a6
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Filesize
129B
MD503c6b6059209e17e6b330a29cf2eee79
SHA16d51d6e6873b3914196c49867d7c7eabfb5ab9d3
SHA2566ca07c87e09ab3e8b0af38463c980d5171b55f9918bcf63c72cf1e555d609739
SHA512bcc26d14fb3c763a5269d18fd6b1760f288ed3cfd49fa7bda09e6efa370abd191b8e4bf220e4d4fb118ede7325ab81f9c33df422df7c4df2422d22ea88dd7f34
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf