Analysis
- max time kernel
90s - max time network
123s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system - submitted
20/06/2024, 04:45
Static task
static1
Behavioral task
behavioral1
Sample
b4ed59f2391034891fe8af87450a34eaca1518b400182554e392845f0d21e7a1.exe
Resource
win10v2004-20240611-en
General
- Target b4ed59f2391034891fe8af87450a34eaca1518b400182554e392845f0d21e7a1.exe
- Size 439KB
- Sample240620-fdl15stfqm
- SHA256 b4ed59f2391034891fe8af87450a34eaca1518b400182554e392845f0d21e7a1
- MD5 b2f5d04fc1d63f47ec7cdc2b326b7e83
- SHA1 7bf70f68204b0d905d18b1f94d86088f16a15d1f
- SHA512 23ab37f544227a863c22ab4aaeb2a80986f5bd75e12a2a41f2cf4ddb0cba0fce20f7560dee6e65cad8f022a1cd616bab2c59722213803d12b699151dc2cfaa3a
- SSDEEP 6144:8gNhEV5pZ5BXmp4pEEEXI/ajDfJFb7uNmrkbBlpNezk3g7wZXlQkEDFGqymjv:8gjEV5pZ5hwTuNma8ow7glOsGjv
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
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stealc
Extracted
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vidar
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https://t.me/memve4erin
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https://steamcommunity.com/profiles/76561199699680841
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0
Signatures
- Detect Vidar Stealer 11 IoCs
resource yara_rule behavioral2/memory/2280-1-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2280-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2280-5-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2280-19-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2280-20-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2280-37-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2280-38-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2280-54-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2280-55-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2280-110-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/2280-111-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 - RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine payload 2 IoCs
resource yara_rule behavioral2/files/0x0006000000025c8a-85.dat family_redline behavioral2/memory/1624-93-0x0000000000310000-0x0000000000372000-memory.dmp family_redline - Downloads MZ/PE file
- Executes dropped EXE 3 IoCs
pid Process 1428 AEHIJDAFBK.exe 1624 JDBGHIIDAE.exe 2236 DGIJDAFCFH.exe - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1948 set thread context of 2280 1948 b4ed59f2391034891fe8af87450a34eaca1518b400182554e392845f0d21e7a1.exe 78 PID 1428 set thread context of 3160 1428 AEHIJDAFBK.exe 87 PID 2236 set thread context of 2244 2236 DGIJDAFCFH.exe 93 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 3 IoCs
pid pid_target Process procid_target 1368 1948 WerFault.exe 77 4412 1428 WerFault.exe 83 5096 2236 WerFault.exe 92 - Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegAsm.exe - Delays execution with timeout.exe 1 IoCs
pid Process 2252 timeout.exe - Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2280 RegAsm.exe 2280 RegAsm.exe 2280 RegAsm.exe 2280 RegAsm.exe 1624 JDBGHIIDAE.exe - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 1624 JDBGHIIDAE.exe Token: SeBackupPrivilege 1624 JDBGHIIDAE.exe Token: SeSecurityPrivilege 1624 JDBGHIIDAE.exe Token: SeSecurityPrivilege 1624 JDBGHIIDAE.exe Token: SeSecurityPrivilege 1624 JDBGHIIDAE.exe Token: SeSecurityPrivilege 1624 JDBGHIIDAE.exe - Suspicious use of WriteProcessMemory 46 IoCs
description pid Process procid_target PID 1948 wrote to memory of 2280 1948 b4ed59f2391034891fe8af87450a34eaca1518b400182554e392845f0d21e7a1.exe 78 PID 1948 wrote to memory of 2280 1948 b4ed59f2391034891fe8af87450a34eaca1518b400182554e392845f0d21e7a1.exe 78 PID 1948 wrote to memory of 2280 1948 b4ed59f2391034891fe8af87450a34eaca1518b400182554e392845f0d21e7a1.exe 78 PID 1948 wrote to memory of 2280 1948 b4ed59f2391034891fe8af87450a34eaca1518b400182554e392845f0d21e7a1.exe 78 PID 1948 wrote to memory of 2280 1948 b4ed59f2391034891fe8af87450a34eaca1518b400182554e392845f0d21e7a1.exe 78 PID 1948 wrote to memory of 2280 1948 b4ed59f2391034891fe8af87450a34eaca1518b400182554e392845f0d21e7a1.exe 78 PID 1948 wrote to memory of 2280 1948 b4ed59f2391034891fe8af87450a34eaca1518b400182554e392845f0d21e7a1.exe 78 PID 1948 wrote to memory of 2280 1948 b4ed59f2391034891fe8af87450a34eaca1518b400182554e392845f0d21e7a1.exe 78 PID 1948 wrote to memory of 2280 1948 b4ed59f2391034891fe8af87450a34eaca1518b400182554e392845f0d21e7a1.exe 78 PID 2280 wrote to memory of 1428 2280 RegAsm.exe 83 PID 2280 wrote to memory of 1428 2280 RegAsm.exe 83 PID 2280 wrote to memory of 1428 2280 RegAsm.exe 83 PID 1428 wrote to memory of 2648 1428 AEHIJDAFBK.exe 86 PID 1428 wrote to memory of 2648 1428 AEHIJDAFBK.exe 86 PID 1428 wrote to memory of 2648 1428 AEHIJDAFBK.exe 86 PID 1428 wrote to memory of 3160 1428 AEHIJDAFBK.exe 87 PID 1428 wrote to memory of 3160 1428 AEHIJDAFBK.exe 87 PID 1428 wrote to memory of 3160 1428 AEHIJDAFBK.exe 87 PID 1428 wrote to memory of 3160 1428 AEHIJDAFBK.exe 87 PID 1428 wrote to memory of 3160 1428 AEHIJDAFBK.exe 87 PID 1428 wrote to memory of 3160 1428 AEHIJDAFBK.exe 87 PID 1428 wrote to memory of 3160 1428 AEHIJDAFBK.exe 87 PID 1428 wrote to memory of 3160 1428 AEHIJDAFBK.exe 87 PID 1428 wrote to memory of 3160 1428 AEHIJDAFBK.exe 87 PID 1428 wrote to memory of 3160 1428 AEHIJDAFBK.exe 87 PID 2280 wrote to memory of 1624 2280 RegAsm.exe 90 PID 2280 wrote to memory of 1624 2280 RegAsm.exe 90 PID 2280 wrote to memory of 1624 2280 RegAsm.exe 90 PID 2280 wrote to memory of 2236 2280 RegAsm.exe 92 PID 2280 wrote to memory of 2236 2280 RegAsm.exe 92 PID 2280 wrote to memory of 2236 2280 RegAsm.exe 92 PID 2236 wrote to memory of 2244 2236 DGIJDAFCFH.exe 93 PID 2236 wrote to memory of 2244 2236 DGIJDAFCFH.exe 93 PID 2236 wrote to memory of 2244 2236 DGIJDAFCFH.exe 93 PID 2236 wrote to memory of 2244 2236 DGIJDAFCFH.exe 93 PID 2236 wrote to memory of 2244 2236 DGIJDAFCFH.exe 93 PID 2236 wrote to memory of 2244 2236 DGIJDAFCFH.exe 93 PID 2236 wrote to memory of 2244 2236 DGIJDAFCFH.exe 93 PID 2236 wrote to memory of 2244 2236 DGIJDAFCFH.exe 93 PID 2236 wrote to memory of 2244 2236 DGIJDAFCFH.exe 93 PID 2280 wrote to memory of 2968 2280 RegAsm.exe 96 PID 2280 wrote to memory of 2968 2280 RegAsm.exe 96 PID 2280 wrote to memory of 2968 2280 RegAsm.exe 96 PID 2968 wrote to memory of 2252 2968 cmd.exe 98 PID 2968 wrote to memory of 2252 2968 cmd.exe 98 PID 2968 wrote to memory of 2252 2968 cmd.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\b4ed59f2391034891fe8af87450a34eaca1518b400182554e392845f0d21e7a1.exe"C:\Users\Admin\AppData\Local\Temp\b4ed59f2391034891fe8af87450a34eaca1518b400182554e392845f0d21e7a1.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2280 -
C:\ProgramData\AEHIJDAFBK.exe"C:\ProgramData\AEHIJDAFBK.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1428 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵PID:2648
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵PID:3160
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 2644⤵
- Program crash
PID:4412
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C:\ProgramData\JDBGHIIDAE.exe"C:\ProgramData\JDBGHIIDAE.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1624
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C:\ProgramData\DGIJDAFCFH.exe"C:\ProgramData\DGIJDAFCFH.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2236 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵PID:2244
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 2844⤵
- Program crash
PID:5096
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\JKEGIDGDGHCA" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:2968 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:2252
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 2642⤵
- Program crash
PID:1368
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1948 -ip 19481⤵PID:2172
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1428 -ip 14281⤵PID:1980
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2236 -ip 22361⤵PID:4420
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\ProgramData\AEHIJDAFBK.exe
- Size 1.8MB
- SHA256 9cf43d480f6319717934b1a3f97682a4454c1742e2409aa416ba719e606c34ca
- MD5 9f7d8785aa5e359848ebe4d771f3de8d
- SHA1 70161505853a4cb3b2dc7eb690bde8b0f23b4d82
- SHA512 b26659c8e24baf0b489198eb28aafa4e29b5728432f522d22202fb5c3d288bd2e33aec88feca1d84b56d42f2dbb369ef517c37815f2c216bae4722bd5dd7700e
- SSDEEP 49152:HFsPqXkdAgMR5MihEfpi6gm+tiS/g076kCW:HuPvMvqfpngm+tiS/g07+
- MD5 SHA1 SHA512 SSDEEP
- Path C:\ProgramData\DGIJDAFCFH.exe
- Size 525KB
- SHA256 fa4491dbe5eb3d35c9f5884d746235769999d536d30033f4cf38633ce2343ede
- MD5 555259d9ac1f9da27667485bfc3ab9af
- SHA1 59d61d0aa693f28ba68b0de8fd3b11dc206b76c4
- SHA512 ee1e2b3ca43eff5384298c251f1f0b6184a8a892410f998e40202dbc1376da45a1af3643fd5f490c3cd3f1f5fd420759a121c892f969e016d2c0daf11209e45b
- SSDEEP 12288:4MLTuJtddskY7k1dyXbRQESs/mFKXuiPK0Lv:4zJth1IxQShPK0L
- MD5 SHA1 SHA512 SSDEEP
- Path C:\ProgramData\JDBGHIIDAE.exe
- Size 374KB
- SHA256 6f1f0ff69f7bf28a1116549249353fcbf944d8d559aaf9c3ecefddb08e341106
- MD5 4adf8628310c11bc5929175855d16cb6
- SHA1 10e2317fedbd27741212e89e0c2a1333bc775472
- SHA512 b3e5b61a6538fe9c14a40e9e144c0be6ea2b5b921d6f3158204a5ae408435191467a0d0054867199f4b0923d040d453f874ff1c004170aac57824171fe063734
- SSDEEP 6144:+GPyGjg1kIA4qceeEMUNMoOrqrWSD1zbKh2/encYPtpb:+G6GjmxA4qhnuoOGHhOLncYPb
- MD5 SHA1 SHA512 SSDEEP