agenttesla | b4d97e5fd7ec7fa2db1180417dbf4c4164e2d942c8a42388079b46bc5ab2f44c

General

Target
FACT.exe
Size 658KB
Sample200818-fd2bh5henj
SHA256 b4d97e5fd7ec7fa2db1180417dbf4c4164e2d942c8a42388079b46bc5ab2f44c
MD5 9b132b2baa4f3c7d3bb15b84d9e9608d
SHA1 21147863e39840ed881d8962bea10c388451b8d7
SHA512 993ef071bdd482dec650f25ec7e5ab00efc659426b8acb0ed63f8f27f479d3bc2a8198ed8793658deeed512044c86836eac42a45cec6f1674cb7cfa60d388aea
MD5 SHA1 SHA512

Score

10^/10

keylogger stealer spyware trojan agenttesla

Malware Config

Extracted

Credentials

Protocol
smtp
Host
bgisped.com
Port
587
Username
[email protected]
Password
Szylee(140187)!BGI.

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/1840-0-0x0000000000400000-0x000000000045A000-memory.dmp	agent_tesla
behavioral2/memory/1840-0-0x0000000000400000-0x000000000045A000-memory.dmp	agent_tesla
behavioral2/memory/1840-1-0x000000000045420E-mapping.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 3844 set thread context of 1840	3844	FACT.exe	70

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3844	FACT.exe
3844	FACT.exe
3844	FACT.exe
3844	FACT.exe
3844	FACT.exe
3844	FACT.exe
1840	FACT.exe
1840	FACT.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3844	FACT.exe
Token: SeDebugPrivilege	1840	FACT.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1840	FACT.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3844 wrote to memory of 3952	3844	FACT.exe	67
PID 3844 wrote to memory of 3952	3844	FACT.exe	67
PID 3844 wrote to memory of 3952	3844	FACT.exe	67
PID 3844 wrote to memory of 3884	3844	FACT.exe	68
PID 3844 wrote to memory of 3884	3844	FACT.exe	68
PID 3844 wrote to memory of 3884	3844	FACT.exe	68
PID 3844 wrote to memory of 3780	3844	FACT.exe	69
PID 3844 wrote to memory of 3780	3844	FACT.exe	69
PID 3844 wrote to memory of 3780	3844	FACT.exe	69
PID 3844 wrote to memory of 1840	3844	FACT.exe	70
PID 3844 wrote to memory of 1840	3844	FACT.exe	70
PID 3844 wrote to memory of 1840	3844	FACT.exe	70
PID 3844 wrote to memory of 1840	3844	FACT.exe	70
PID 3844 wrote to memory of 1840	3844	FACT.exe	70
PID 3844 wrote to memory of 1840	3844	FACT.exe	70
PID 3844 wrote to memory of 1840	3844	FACT.exe	70
PID 3844 wrote to memory of 1840	3844	FACT.exe	70

C:\Users\Admin\AppData\Local\Temp\FACT.exe
"C:\Users\Admin\AppData\Local\Temp\FACT.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3844
- C:\Users\Admin\AppData\Local\Temp\FACT.exe
  "C:\Users\Admin\AppData\Local\Temp\FACT.exe"
  2⤵
  PID:3952
- C:\Users\Admin\AppData\Local\Temp\FACT.exe
  "C:\Users\Admin\AppData\Local\Temp\FACT.exe"
  2⤵
  PID:3884
- C:\Users\Admin\AppData\Local\Temp\FACT.exe
  "C:\Users\Admin\AppData\Local\Temp\FACT.exe"
  2⤵
  PID:3780
- C:\Users\Admin\AppData\Local\Temp\FACT.exe
  "C:\Users\Admin\AppData\Local\Temp\FACT.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1840

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/1840-0-0x0000000000400000-0x000000000045A000-memory.dmp

Download

Analysis

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