Analysis
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max time kernel
101s -
max time network
61s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
20-04-2021 14:18
Static task
static1
Behavioral task
behavioral1
Sample
IMG_630_375_10.exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
IMG_630_375_10.exe
Resource
win10v20210408
windows10_x64
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/992-64-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/992-65-0x000000000043763E-mapping.dmp family_agenttesla behavioral1/memory/992-66-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Suspicious use of SetThreadContext 1 IoCs
Processes:
IMG_630_375_10.exedescription pid process target process PID 1084 set thread context of 992 1084 IMG_630_375_10.exe IMG_630_375_10.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
IMG_630_375_10.exeIMG_630_375_10.exepid process 1084 IMG_630_375_10.exe 1084 IMG_630_375_10.exe 1084 IMG_630_375_10.exe 1084 IMG_630_375_10.exe 1084 IMG_630_375_10.exe 1084 IMG_630_375_10.exe 992 IMG_630_375_10.exe 992 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 1084 IMG_630_375_10.exe Token: SeDebugPrivilege 992 IMG_630_375_10.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
IMG_630_375_10.exedescription pid process target process PID 1084 wrote to memory of 292 1084 IMG_630_375_10.exe IMG_630_375_10.exe PID 1084 wrote to memory of 292 1084 IMG_630_375_10.exe IMG_630_375_10.exe PID 1084 wrote to memory of 292 1084 IMG_630_375_10.exe IMG_630_375_10.exe PID 1084 wrote to memory of 292 1084 IMG_630_375_10.exe IMG_630_375_10.exe PID 1084 wrote to memory of 992 1084 IMG_630_375_10.exe IMG_630_375_10.exe PID 1084 wrote to memory of 992 1084 IMG_630_375_10.exe IMG_630_375_10.exe PID 1084 wrote to memory of 992 1084 IMG_630_375_10.exe IMG_630_375_10.exe PID 1084 wrote to memory of 992 1084 IMG_630_375_10.exe IMG_630_375_10.exe PID 1084 wrote to memory of 992 1084 IMG_630_375_10.exe IMG_630_375_10.exe PID 1084 wrote to memory of 992 1084 IMG_630_375_10.exe IMG_630_375_10.exe PID 1084 wrote to memory of 992 1084 IMG_630_375_10.exe IMG_630_375_10.exe PID 1084 wrote to memory of 992 1084 IMG_630_375_10.exe IMG_630_375_10.exe PID 1084 wrote to memory of 992 1084 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
PID:1084 -
C:\Users\Admin\AppData\Local\Temp\IMG_630_375_10.exeC:\Users\Admin\AppData\Local\Temp\IMG_630_375_10.exe2⤵PID:292
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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
PID:992
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