Analysis
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max time kernel
100s -
max time network
60s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
19-04-2021 19:56
Static task
static1
Behavioral task
behavioral1
Sample
IMG_630_375_10.exe
Resource
win7v20210410
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
IMG_630_375_10.exe
Resource
win10v20210408
0 signatures
0 seconds
General
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Target
IMG_630_375_10.exe
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Size
258KB
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MD5
1ceae4d45ed09a9ed4d5c392a7654fa9
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SHA1
ee4c9033fbb20d87723cb35333b5009086e9645c
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SHA256
9406ad52a87d220e0eae7b7a65a1870a72df536649d9600aca18ddce2263001f
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SHA512
79a71995f8b18386e584a1ac58b8ac180f7215b6f6af8adb3a2c893508fcdf5847309b18dae87e28dded6af45e38911c09d7a060b0203ba56d427ef313d36ae9
Malware Config
Extracted
Family
agenttesla
Credentials
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
x103860*&1333
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
IMG_630_375_10.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Local\\.notepad.exe\"," IMG_630_375_10.exe -
AgentTesla Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/484-65-0x000000000043763E-mapping.dmp family_agenttesla behavioral1/memory/484-64-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/484-66-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Suspicious use of SetThreadContext 1 IoCs
Processes:
IMG_630_375_10.exedescription pid process target process PID 1100 set thread context of 484 1100 IMG_630_375_10.exe IMG_630_375_10.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
IMG_630_375_10.exeIMG_630_375_10.exepid process 1100 IMG_630_375_10.exe 1100 IMG_630_375_10.exe 484 IMG_630_375_10.exe 484 IMG_630_375_10.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
IMG_630_375_10.exeIMG_630_375_10.exedescription pid process Token: SeDebugPrivilege 1100 IMG_630_375_10.exe Token: SeDebugPrivilege 484 IMG_630_375_10.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
IMG_630_375_10.exedescription pid process target process PID 1100 wrote to memory of 484 1100 IMG_630_375_10.exe IMG_630_375_10.exe PID 1100 wrote to memory of 484 1100 IMG_630_375_10.exe IMG_630_375_10.exe PID 1100 wrote to memory of 484 1100 IMG_630_375_10.exe IMG_630_375_10.exe PID 1100 wrote to memory of 484 1100 IMG_630_375_10.exe IMG_630_375_10.exe PID 1100 wrote to memory of 484 1100 IMG_630_375_10.exe IMG_630_375_10.exe PID 1100 wrote to memory of 484 1100 IMG_630_375_10.exe IMG_630_375_10.exe PID 1100 wrote to memory of 484 1100 IMG_630_375_10.exe IMG_630_375_10.exe PID 1100 wrote to memory of 484 1100 IMG_630_375_10.exe IMG_630_375_10.exe PID 1100 wrote to memory of 484 1100 IMG_630_375_10.exe IMG_630_375_10.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\IMG_630_375_10.exe"C:\Users\Admin\AppData\Local\Temp\IMG_630_375_10.exe"1⤵
- Modifies WinLogon for persistence
- 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\IMG_630_375_10.exeC:\Users\Admin\AppData\Local\Temp\IMG_630_375_10.exe2⤵
- 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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memory/484-65-0x000000000043763E-mapping.dmp
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memory/484-64-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/484-66-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/484-68-0x0000000004A30000-0x0000000004A31000-memory.dmpFilesize
4KB
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memory/1100-59-0x0000000001090000-0x0000000001091000-memory.dmpFilesize
4KB
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memory/1100-61-0x00000000003E0000-0x00000000003E2000-memory.dmpFilesize
8KB
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memory/1100-62-0x0000000004AE0000-0x0000000004AE1000-memory.dmpFilesize
4KB
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memory/1100-63-0x00000000047B0000-0x00000000047ED000-memory.dmpFilesize
244KB