Analysis
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max time kernel
42s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
09-10-2022 22:29
Static task
static1
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
tmp.exe
Resource
win10v2004-20220901-en
General
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Target
tmp.exe
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Size
2.3MB
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MD5
48545b3a32bc83046785f5ef2cacb8f7
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SHA1
9e8cdfd6e5497c7a5b16792824fc5c9489c559b5
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SHA256
9f8a1f56a75fcbae6a2a52fe6e74f00585e28b6aa8c02e380fb9a114d218c1d3
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SHA512
8a6c5643f27967e2998ce93ceb57c9289ea0cf63d3d673b3f3a6b0815c3e87ac52eb7d3fab108a1d1a6bb6fbd106c43c33bde1817f697eb8301ff74f2c696aa9
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SSDEEP
49152:/UFOFLvCJx9fOaBHeFLlpiS66XNhyuOGbZZbw7:/VFGJx9GtBpiSFNiGE7
Malware Config
Extracted
redline
TORRENTOLD
amrican-sport-live-stream.cc:4581
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auth_value
74e1b58bf920611f04c0e3919954fe05
Signatures
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/968-60-0x0000000000400000-0x0000000000444000-memory.dmp family_redline behavioral1/memory/968-61-0x0000000000400000-0x0000000000444000-memory.dmp family_redline behavioral1/memory/968-62-0x0000000000400000-0x0000000000444000-memory.dmp family_redline behavioral1/memory/968-63-0x000000000043E76E-mapping.dmp family_redline behavioral1/memory/968-67-0x0000000000400000-0x0000000000444000-memory.dmp family_redline behavioral1/memory/968-65-0x0000000000400000-0x0000000000444000-memory.dmp family_redline -
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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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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Suspicious use of SetThreadContext 1 IoCs
Processes:
tmp.exedescription pid process target process PID 1912 set thread context of 968 1912 tmp.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
RegAsm.exepid process 968 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
tmp.exeRegAsm.exedescription pid process Token: SeDebugPrivilege 1912 tmp.exe Token: SeDebugPrivilege 968 RegAsm.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
tmp.exedescription pid process target process PID 1912 wrote to memory of 968 1912 tmp.exe RegAsm.exe PID 1912 wrote to memory of 968 1912 tmp.exe RegAsm.exe PID 1912 wrote to memory of 968 1912 tmp.exe RegAsm.exe PID 1912 wrote to memory of 968 1912 tmp.exe RegAsm.exe PID 1912 wrote to memory of 968 1912 tmp.exe RegAsm.exe PID 1912 wrote to memory of 968 1912 tmp.exe RegAsm.exe PID 1912 wrote to memory of 968 1912 tmp.exe RegAsm.exe PID 1912 wrote to memory of 968 1912 tmp.exe RegAsm.exe PID 1912 wrote to memory of 968 1912 tmp.exe RegAsm.exe PID 1912 wrote to memory of 968 1912 tmp.exe RegAsm.exe PID 1912 wrote to memory of 968 1912 tmp.exe RegAsm.exe PID 1912 wrote to memory of 968 1912 tmp.exe RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/968-57-0x0000000000400000-0x0000000000444000-memory.dmpFilesize
272KB
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memory/968-60-0x0000000000400000-0x0000000000444000-memory.dmpFilesize
272KB
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memory/968-61-0x0000000000400000-0x0000000000444000-memory.dmpFilesize
272KB
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memory/968-58-0x0000000000400000-0x0000000000444000-memory.dmpFilesize
272KB
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memory/968-62-0x0000000000400000-0x0000000000444000-memory.dmpFilesize
272KB
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memory/968-63-0x000000000043E76E-mapping.dmp
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memory/968-67-0x0000000000400000-0x0000000000444000-memory.dmpFilesize
272KB
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memory/968-65-0x0000000000400000-0x0000000000444000-memory.dmpFilesize
272KB
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memory/968-69-0x0000000000320000-0x0000000000326000-memory.dmpFilesize
24KB
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memory/1912-54-0x00000000012D0000-0x000000000151E000-memory.dmpFilesize
2.3MB
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memory/1912-55-0x00000000763F1000-0x00000000763F3000-memory.dmpFilesize
8KB
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memory/1912-56-0x0000000005810000-0x00000000059FE000-memory.dmpFilesize
1.9MB