Analysis
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max time kernel
113s -
max time network
118s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
22-07-2021 08:06
Static task
static1
Behavioral task
behavioral1
Sample
313e75021856dbfeb3845ddbcd656153.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
313e75021856dbfeb3845ddbcd656153.exe
Resource
win10v20210410
General
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Target
313e75021856dbfeb3845ddbcd656153.exe
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Size
515KB
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MD5
313e75021856dbfeb3845ddbcd656153
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SHA1
e0d9154f7c9abe61e4bdfde04efc2ea3208c19b7
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SHA256
d3b8e9e564a71513336d3d04d9bc752bc61baacc51df486287127b2b1f5a32e3
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SHA512
1fabdbcf23694a76ac23162716c8882b713bf52d65a15a9ef32e1cfad63bf8f6f9cb094a57d1b2e923f430c8877601256ca4d3bd9db2d98b68e90f409fa54a5c
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/4076-126-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/4076-127-0x000000000043773E-mapping.dmp family_agenttesla behavioral2/memory/4076-133-0x00000000052A0000-0x000000000579E000-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:
313e75021856dbfeb3845ddbcd656153.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\service.exe = "C:\\Users\\Admin\\AppData\\Roaming\\service.exe\\service.exe.exe" 313e75021856dbfeb3845ddbcd656153.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
313e75021856dbfeb3845ddbcd656153.exedescription pid process target process PID 4436 set thread context of 4076 4436 313e75021856dbfeb3845ddbcd656153.exe 313e75021856dbfeb3845ddbcd656153.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
313e75021856dbfeb3845ddbcd656153.exe313e75021856dbfeb3845ddbcd656153.exepid process 4436 313e75021856dbfeb3845ddbcd656153.exe 4436 313e75021856dbfeb3845ddbcd656153.exe 4076 313e75021856dbfeb3845ddbcd656153.exe 4076 313e75021856dbfeb3845ddbcd656153.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
313e75021856dbfeb3845ddbcd656153.exe313e75021856dbfeb3845ddbcd656153.exedescription pid process Token: SeDebugPrivilege 4436 313e75021856dbfeb3845ddbcd656153.exe Token: SeDebugPrivilege 4076 313e75021856dbfeb3845ddbcd656153.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
313e75021856dbfeb3845ddbcd656153.exedescription pid process target process PID 4436 wrote to memory of 4076 4436 313e75021856dbfeb3845ddbcd656153.exe 313e75021856dbfeb3845ddbcd656153.exe PID 4436 wrote to memory of 4076 4436 313e75021856dbfeb3845ddbcd656153.exe 313e75021856dbfeb3845ddbcd656153.exe PID 4436 wrote to memory of 4076 4436 313e75021856dbfeb3845ddbcd656153.exe 313e75021856dbfeb3845ddbcd656153.exe PID 4436 wrote to memory of 4076 4436 313e75021856dbfeb3845ddbcd656153.exe 313e75021856dbfeb3845ddbcd656153.exe PID 4436 wrote to memory of 4076 4436 313e75021856dbfeb3845ddbcd656153.exe 313e75021856dbfeb3845ddbcd656153.exe PID 4436 wrote to memory of 4076 4436 313e75021856dbfeb3845ddbcd656153.exe 313e75021856dbfeb3845ddbcd656153.exe PID 4436 wrote to memory of 4076 4436 313e75021856dbfeb3845ddbcd656153.exe 313e75021856dbfeb3845ddbcd656153.exe PID 4436 wrote to memory of 4076 4436 313e75021856dbfeb3845ddbcd656153.exe 313e75021856dbfeb3845ddbcd656153.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\313e75021856dbfeb3845ddbcd656153.exe"C:\Users\Admin\AppData\Local\Temp\313e75021856dbfeb3845ddbcd656153.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\313e75021856dbfeb3845ddbcd656153.exeC:\Users\Admin\AppData\Local\Temp\313e75021856dbfeb3845ddbcd656153.exe2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\313e75021856dbfeb3845ddbcd656153.exe.logMD5
9e7845217df4a635ec4341c3d52ed685
SHA1d65cb39d37392975b038ce503a585adadb805da5
SHA256d60e596ed3d5c13dc9f1660e6d870d99487e1383891437645c4562a9ecaa8c9b
SHA512307c3b4d4f2655bdeb177e7b9c981ca27513618903f02c120caa755c9da5a8dd03ebab660b56108a680720a97c1e9596692490aede18cc4bd77b9fc3d8e68aa1
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memory/4076-126-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/4076-135-0x0000000006000000-0x0000000006001000-memory.dmpFilesize
4KB
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memory/4076-134-0x0000000005470000-0x0000000005471000-memory.dmpFilesize
4KB
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memory/4076-133-0x00000000052A0000-0x000000000579E000-memory.dmpFilesize
5.0MB
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memory/4076-132-0x0000000005490000-0x0000000005491000-memory.dmpFilesize
4KB
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memory/4076-127-0x000000000043773E-mapping.dmp
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memory/4436-118-0x0000000005300000-0x0000000005301000-memory.dmpFilesize
4KB
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memory/4436-125-0x00000000079D0000-0x0000000007A45000-memory.dmpFilesize
468KB
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memory/4436-120-0x00000000076B0000-0x0000000007708000-memory.dmpFilesize
352KB
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memory/4436-119-0x00000000052B0000-0x00000000057AE000-memory.dmpFilesize
5.0MB
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memory/4436-114-0x0000000000A40000-0x0000000000A41000-memory.dmpFilesize
4KB
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memory/4436-117-0x0000000005350000-0x0000000005351000-memory.dmpFilesize
4KB
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memory/4436-116-0x00000000057B0000-0x00000000057B1000-memory.dmpFilesize
4KB