agenttesla | cffb6736521771821af04e2caaaf125e1d475bfe7166fcb39ff7db14c41931a7

Analysis

max time kernel
86s
max time network
152s
platform
windows10_x64
resource
win10
submitted
01/09/2020, 17:02

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General

Target
iCOtXJabYYZd9jY.exe
Size 590KB
Sample200901-9vqa19p3yj
SHA256 cffb6736521771821af04e2caaaf125e1d475bfe7166fcb39ff7db14c41931a7
MD5 85da729c96d67f6cb700da81af628e1d
SHA1 61a40f598cafdadb2076c360858cd4484993381b
SHA512 d0598bd605656e48b3629dde3636193740285fdd52bb6b8231a172a65807e2a09d417c5bedb06d949d6f083f69b335e63112cd693fb540708d507e68fbe8c258
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
smtp.yandex.com
Port
587
Username
[email protected]
Password
kissme4eva

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 2 IoCs

resource	yara_rule
behavioral2/memory/1192-13-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral2/memory/1192-14-0x000000000046146E-mapping.dmp	family_agenttesla

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 792 set thread context of 1192	792	iCOtXJabYYZd9jY.exe	75

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ServiceProfiles\LocalService\winhttp\cachev3.dat	svchost.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionReason = "1"	svchost.exe
Set value (data)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionTime = 6abb24218180d601	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecision = "0"	svchost.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
792	iCOtXJabYYZd9jY.exe
792	iCOtXJabYYZd9jY.exe
792	iCOtXJabYYZd9jY.exe
1192	RegSvcs.exe
1192	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3624	svchost.exe
Token: SeCreatePagefilePrivilege	3624	svchost.exe
Token: SeDebugPrivilege	792	iCOtXJabYYZd9jY.exe
Token: SeDebugPrivilege	1192	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 792 wrote to memory of 1192	792	iCOtXJabYYZd9jY.exe	75
PID 792 wrote to memory of 1192	792	iCOtXJabYYZd9jY.exe	75
PID 792 wrote to memory of 1192	792	iCOtXJabYYZd9jY.exe	75
PID 792 wrote to memory of 1192	792	iCOtXJabYYZd9jY.exe	75
PID 792 wrote to memory of 1192	792	iCOtXJabYYZd9jY.exe	75
PID 792 wrote to memory of 1192	792	iCOtXJabYYZd9jY.exe	75
PID 792 wrote to memory of 1192	792	iCOtXJabYYZd9jY.exe	75
PID 792 wrote to memory of 1192	792	iCOtXJabYYZd9jY.exe	75

C:\Users\Admin\AppData\Local\Temp\iCOtXJabYYZd9jY.exe
"C:\Users\Admin\AppData\Local\Temp\iCOtXJabYYZd9jY.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:792
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1192

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:3624

Network

MITRE ATT&CK Matrix

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Downloads

memory/792-0-0x0000000073450000-0x0000000073B3E000-memory.dmp

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memory/792-1-0x0000000000190000-0x0000000000191000-memory.dmp

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memory/792-3-0x0000000004F50000-0x0000000004F51000-memory.dmp

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memory/792-4-0x0000000004AF0000-0x0000000004AF1000-memory.dmp

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memory/792-5-0x0000000004A70000-0x0000000004A71000-memory.dmp

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memory/792-6-0x0000000004F30000-0x0000000004F33000-memory.dmp

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memory/792-7-0x0000000006DB0000-0x0000000006DB1000-memory.dmp

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memory/792-8-0x0000000007140000-0x00000000071BA000-memory.dmp

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memory/792-9-0x0000000007260000-0x0000000007261000-memory.dmp

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memory/792-12-0x0000000009C40000-0x0000000009CC6000-memory.dmp

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memory/1192-13-0x0000000000400000-0x0000000000466000-memory.dmp

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memory/1192-15-0x0000000073450000-0x0000000073B3E000-memory.dmp

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memory/1192-20-0x00000000058F0000-0x00000000058F1000-memory.dmp

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memory/1192-21-0x0000000005F60000-0x0000000005F61000-memory.dmp

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