agenttesla | 40f62edaaf245e669c4c4de028657d8762862124d810e9f71184e0dc5ca23df2

General

Target
payment slip ..exe
Size 580KB
Sample200831-ejag1k2k1e
SHA256 40f62edaaf245e669c4c4de028657d8762862124d810e9f71184e0dc5ca23df2
MD5 9b47246feeea57e036332ce0a59fe316
SHA1 6ff968f1287b499926518605d1d4e3405a5d577e
SHA512 ab95804b3f67590a4edb3a926a8832a3036e48092ca01c3b7def4e2111b481ea6257240dbc08ef5cb4bc84650a784f3a2f09ac66f5033dd5d4ed400d9be10e44
MD5 SHA1 SHA512

Score

10^/10

keylogger stealer trojan spyware agenttesla

Malware Config

Extracted

Credentials

Protocol
smtp
Host
smtp.yandex.ru
Port
587
Username
[email protected]
Password
kingmoney12345

Signatures

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

AgentTesla Payload 3 IoCs

keylogger stealer

resource	yara_rule
behavioral2/memory/1780-2-0x000000000046164E-mapping.dmp	agent_tesla
behavioral2/memory/1780-1-0x0000000000400000-0x0000000000466000-memory.dmp	agent_tesla
behavioral2/memory/1780-1-0x0000000000400000-0x0000000000466000-memory.dmp	agent_tesla

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3076 set thread context of 1780	3076	payment slip ..exe	76

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 = 604c7000857fd601	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
3076	payment slip ..exe
3076	payment slip ..exe
3076	payment slip ..exe
1780	payment slip ..exe
1780	payment slip ..exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	640	svchost.exe
Token: SeCreatePagefilePrivilege	640	svchost.exe
Token: SeDebugPrivilege	3076	payment slip ..exe
Token: SeDebugPrivilege	1780	payment slip ..exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1780	payment slip ..exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3076 wrote to memory of 1780	3076	payment slip ..exe	76
PID 3076 wrote to memory of 1780	3076	payment slip ..exe	76
PID 3076 wrote to memory of 1780	3076	payment slip ..exe	76
PID 3076 wrote to memory of 1780	3076	payment slip ..exe	76
PID 3076 wrote to memory of 1780	3076	payment slip ..exe	76
PID 3076 wrote to memory of 1780	3076	payment slip ..exe	76
PID 3076 wrote to memory of 1780	3076	payment slip ..exe	76
PID 3076 wrote to memory of 1780	3076	payment slip ..exe	76

C:\Users\Admin\AppData\Local\Temp\payment slip ..exe
"C:\Users\Admin\AppData\Local\Temp\payment slip ..exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3076
- C:\Users\Admin\AppData\Local\Temp\payment slip ..exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1780

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:640

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1780-1-0x0000000000400000-0x0000000000466000-memory.dmp

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Analysis

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