agenttesla | 183919b502e2e5f18730c75d890bfb9876a19f25372f8db41e1a7f7876ffbeaa

General

Target
ddssaaa.exe
Size 1.4MB
Sample201109-9ybmw862aa
SHA256 183919b502e2e5f18730c75d890bfb9876a19f25372f8db41e1a7f7876ffbeaa
MD5 c1c50af92eda12d1cefb13c4eb8a77dc
SHA1 d73759cfe9330d7c47ae7decabceb017b6be25fc
SHA512 1b6fea93307cd28d83c834f84bf62c98658328f57546ab550c3ba0b43535307a3483ba3006fac620c3df51c33e09f43def1f883d5cc6e41396bc74182a49d3b3
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
smtp.studlandstol.com
Port
587
Username
[email protected]
Password
dutyfaithlu12345

Signatures

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

AgentTesla Payload 3 IoCs

resource	yara_rule
behavioral1/memory/1972-0-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1972-1-0x000000000044CC3E-mapping.dmp	family_agenttesla
behavioral1/memory/1972-2-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Drops startup file 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundll32.url	ddssaaa.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\uEtmoKl = "C:\\Users\\Admin\\AppData\\Roaming\\uEtmoKl\\uEtmoKl.exe"	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1764 set thread context of 1972	1764	ddssaaa.exe	27

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1972	MSBuild.exe
1972	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1972	MSBuild.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1764	ddssaaa.exe
1764	ddssaaa.exe
1764	ddssaaa.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1764	ddssaaa.exe
1764	ddssaaa.exe
1764	ddssaaa.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1972	MSBuild.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1764 wrote to memory of 1972	1764	ddssaaa.exe	27
PID 1764 wrote to memory of 1972	1764	ddssaaa.exe	27
PID 1764 wrote to memory of 1972	1764	ddssaaa.exe	27
PID 1764 wrote to memory of 1972	1764	ddssaaa.exe	27
PID 1764 wrote to memory of 1972	1764	ddssaaa.exe	27
PID 1764 wrote to memory of 1972	1764	ddssaaa.exe	27
PID 1972 wrote to memory of 1308	1972	MSBuild.exe	31
PID 1972 wrote to memory of 1308	1972	MSBuild.exe	31
PID 1972 wrote to memory of 1308	1972	MSBuild.exe	31
PID 1972 wrote to memory of 1308	1972	MSBuild.exe	31

C:\Users\Admin\AppData\Local\Temp\ddssaaa.exe
"C:\Users\Admin\AppData\Local\Temp\ddssaaa.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1764
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1972
- - C:\Windows\SysWOW64\netsh.exe
    "netsh" wlan show profile
    3⤵
    PID:1308

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1972-0-0x0000000000400000-0x0000000000452000-memory.dmp

Download

memory/1972-2-0x0000000000400000-0x0000000000452000-memory.dmp