Analysis
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max time kernel
144s -
max time network
135s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
27-07-2021 16:26
Static task
static1
Behavioral task
behavioral1
Sample
c277827a2afe5d23f11448d75291342c.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
c277827a2afe5d23f11448d75291342c.exe
Resource
win10v20210408
General
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Target
c277827a2afe5d23f11448d75291342c.exe
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Size
513KB
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MD5
c277827a2afe5d23f11448d75291342c
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SHA1
84528fcebd7c5dd3b118dad30bbb3ee30566f98e
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SHA256
be98f101070d1ef350f5d1768e640f5f23b047f890fde74495e49b9f6fa4d00b
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SHA512
eadd268f6e0932fcb70be92a55d7af04811943c655ea9abb464f6358fe36f7f34b38d2ee29ec2a36c890987cdbc1f1b694d358f488b1d274d64f3924d957e156
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot1805574870:AAHXBVpTNJET3oRosoa2brFL9_G19NkXu8I/sendDocument
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/3984-128-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/3984-129-0x000000000043773E-mapping.dmp family_agenttesla behavioral2/memory/3984-135-0x00000000055D0000-0x0000000005ACE000-memory.dmp family_agenttesla -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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
Processes:
c277827a2afe5d23f11448d75291342c.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\service.exe = "C:\\Users\\Admin\\AppData\\Roaming\\service.exe\\service.exe.exe" c277827a2afe5d23f11448d75291342c.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
c277827a2afe5d23f11448d75291342c.exedescription pid process target process PID 4648 set thread context of 3984 4648 c277827a2afe5d23f11448d75291342c.exe c277827a2afe5d23f11448d75291342c.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
c277827a2afe5d23f11448d75291342c.exec277827a2afe5d23f11448d75291342c.exepid process 4648 c277827a2afe5d23f11448d75291342c.exe 4648 c277827a2afe5d23f11448d75291342c.exe 3984 c277827a2afe5d23f11448d75291342c.exe 3984 c277827a2afe5d23f11448d75291342c.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
c277827a2afe5d23f11448d75291342c.exec277827a2afe5d23f11448d75291342c.exedescription pid process Token: SeDebugPrivilege 4648 c277827a2afe5d23f11448d75291342c.exe Token: SeDebugPrivilege 3984 c277827a2afe5d23f11448d75291342c.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
c277827a2afe5d23f11448d75291342c.exedescription pid process target process PID 4648 wrote to memory of 3984 4648 c277827a2afe5d23f11448d75291342c.exe c277827a2afe5d23f11448d75291342c.exe PID 4648 wrote to memory of 3984 4648 c277827a2afe5d23f11448d75291342c.exe c277827a2afe5d23f11448d75291342c.exe PID 4648 wrote to memory of 3984 4648 c277827a2afe5d23f11448d75291342c.exe c277827a2afe5d23f11448d75291342c.exe PID 4648 wrote to memory of 3984 4648 c277827a2afe5d23f11448d75291342c.exe c277827a2afe5d23f11448d75291342c.exe PID 4648 wrote to memory of 3984 4648 c277827a2afe5d23f11448d75291342c.exe c277827a2afe5d23f11448d75291342c.exe PID 4648 wrote to memory of 3984 4648 c277827a2afe5d23f11448d75291342c.exe c277827a2afe5d23f11448d75291342c.exe PID 4648 wrote to memory of 3984 4648 c277827a2afe5d23f11448d75291342c.exe c277827a2afe5d23f11448d75291342c.exe PID 4648 wrote to memory of 3984 4648 c277827a2afe5d23f11448d75291342c.exe c277827a2afe5d23f11448d75291342c.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c277827a2afe5d23f11448d75291342c.exe"C:\Users\Admin\AppData\Local\Temp\c277827a2afe5d23f11448d75291342c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\c277827a2afe5d23f11448d75291342c.exeC:\Users\Admin\AppData\Local\Temp\c277827a2afe5d23f11448d75291342c.exe2⤵
- Adds Run key to start application
- 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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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\c277827a2afe5d23f11448d75291342c.exe.logMD5
9e7845217df4a635ec4341c3d52ed685
SHA1d65cb39d37392975b038ce503a585adadb805da5
SHA256d60e596ed3d5c13dc9f1660e6d870d99487e1383891437645c4562a9ecaa8c9b
SHA512307c3b4d4f2655bdeb177e7b9c981ca27513618903f02c120caa755c9da5a8dd03ebab660b56108a680720a97c1e9596692490aede18cc4bd77b9fc3d8e68aa1
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memory/3984-128-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3984-137-0x0000000006330000-0x0000000006331000-memory.dmpFilesize
4KB
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memory/3984-136-0x0000000005A70000-0x0000000005A71000-memory.dmpFilesize
4KB
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memory/3984-135-0x00000000055D0000-0x0000000005ACE000-memory.dmpFilesize
5.0MB
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memory/3984-134-0x00000000057A0000-0x00000000057A1000-memory.dmpFilesize
4KB
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memory/3984-129-0x000000000043773E-mapping.dmp
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memory/4648-119-0x0000000004F50000-0x0000000004F51000-memory.dmpFilesize
4KB
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memory/4648-127-0x0000000008B60000-0x0000000008BD5000-memory.dmpFilesize
468KB
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memory/4648-122-0x00000000069D0000-0x0000000006A29000-memory.dmpFilesize
356KB
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memory/4648-120-0x0000000004ED0000-0x00000000053CE000-memory.dmpFilesize
5.0MB
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memory/4648-121-0x0000000004ED0000-0x00000000053CE000-memory.dmpFilesize
5.0MB
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memory/4648-114-0x0000000000690000-0x0000000000691000-memory.dmpFilesize
4KB
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memory/4648-118-0x0000000004ED0000-0x00000000053CE000-memory.dmpFilesize
5.0MB
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memory/4648-117-0x0000000004F70000-0x0000000004F71000-memory.dmpFilesize
4KB
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memory/4648-116-0x00000000053D0000-0x00000000053D1000-memory.dmpFilesize
4KB