Analysis
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max time kernel
106s -
max time network
112s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
19-04-2021 19:56
Static task
static1
Behavioral task
behavioral1
Sample
IMG_630_375_10.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
IMG_630_375_10.exe
Resource
win10v20210408
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
agenttesla
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-1-5-21-1594587808-2047097707-2163810515-1000\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 behavioral2/memory/3644-120-0x000000000043763E-mapping.dmp family_agenttesla behavioral2/memory/3644-119-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/3644-126-0x0000000004D90000-0x000000000528E000-memory.dmp family_agenttesla -
Suspicious use of SetThreadContext 1 IoCs
Processes:
IMG_630_375_10.exedescription pid process target process PID 784 set thread context of 3644 784 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 784 IMG_630_375_10.exe 784 IMG_630_375_10.exe 3644 IMG_630_375_10.exe 3644 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 784 IMG_630_375_10.exe Token: SeDebugPrivilege 3644 IMG_630_375_10.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
IMG_630_375_10.exedescription pid process target process PID 784 wrote to memory of 3644 784 IMG_630_375_10.exe IMG_630_375_10.exe PID 784 wrote to memory of 3644 784 IMG_630_375_10.exe IMG_630_375_10.exe PID 784 wrote to memory of 3644 784 IMG_630_375_10.exe IMG_630_375_10.exe PID 784 wrote to memory of 3644 784 IMG_630_375_10.exe IMG_630_375_10.exe PID 784 wrote to memory of 3644 784 IMG_630_375_10.exe IMG_630_375_10.exe PID 784 wrote to memory of 3644 784 IMG_630_375_10.exe IMG_630_375_10.exe PID 784 wrote to memory of 3644 784 IMG_630_375_10.exe IMG_630_375_10.exe PID 784 wrote to memory of 3644 784 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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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\IMG_630_375_10.exe.logMD5
808e884c00533a9eb0e13e64960d9c3a
SHA1279d05181fc6179a12df1a669ff5d8b64c1380ae
SHA2562f6a0aab99b1c228a6642f44f8992646ce84c5a2b3b9941b6cf1f2badf67bdd6
SHA5129489bdb2ffdfeef3c52edcfe9b34c6688eba53eb86075e0564df1cd474723c86b5b5aedc12df1ff5fc12cf97bd1e3cf9701ff61dc4ce90155d70e9ccfd0fc299
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memory/784-114-0x0000000000460000-0x0000000000461000-memory.dmpFilesize
4KB
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memory/784-116-0x0000000004DD0000-0x0000000004DD1000-memory.dmpFilesize
4KB
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memory/784-117-0x0000000002550000-0x0000000002552000-memory.dmpFilesize
8KB
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memory/784-118-0x00000000057A0000-0x00000000057DD000-memory.dmpFilesize
244KB
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memory/3644-120-0x000000000043763E-mapping.dmp
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memory/3644-119-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3644-124-0x0000000005290000-0x0000000005291000-memory.dmpFilesize
4KB
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memory/3644-125-0x0000000004F10000-0x0000000004F11000-memory.dmpFilesize
4KB
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memory/3644-126-0x0000000004D90000-0x000000000528E000-memory.dmpFilesize
5.0MB
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memory/3644-127-0x00000000051B0000-0x00000000051B1000-memory.dmpFilesize
4KB
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memory/3644-128-0x0000000005A80000-0x0000000005A81000-memory.dmpFilesize
4KB