agenttesla | 95f2db0071adb3c99b50c41ecdecbe4c6c18e9318bea7d8cd6743aff619a9f8f

Analysis

max time kernel
136s
max time network
33s
platform
windows7_x64
resource
win7v200430
submitted
21/07/2020, 10:08

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General

Target
aFOBBGzvsTh1zMw.exe
Size 532KB
Sample200721-3ms79nbfvx
SHA256 95f2db0071adb3c99b50c41ecdecbe4c6c18e9318bea7d8cd6743aff619a9f8f
MD5 6bb57cfb4a60bb00cd39a5690f8fc56c
SHA1 00db1deff4e445b7d4bbdad99aabed3ca52e8023
SHA512 a40f91f9285b03f3a472d14dad8e068abd699b593a86cb2fe8c06c96c7ea82a0c563369e0b1cf763db52f0d05a57a737549e599fbfce34e27504ce065204ca1e
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
stark123@@@

Signatures

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

AgentTesla Payload 4 IoCs

resource	yara_rule
behavioral1/memory/1844-2-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1844-3-0x000000000044CD6E-mapping.dmp	family_agenttesla
behavioral1/memory/1844-4-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1844-5-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1400 set thread context of 1844	1400	aFOBBGzvsTh1zMw.exe	29

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1792	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1400	aFOBBGzvsTh1zMw.exe
1400	aFOBBGzvsTh1zMw.exe
1844	RegSvcs.exe
1844	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1400	aFOBBGzvsTh1zMw.exe
Token: SeDebugPrivilege	1844	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1844	RegSvcs.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 1792	1400	aFOBBGzvsTh1zMw.exe	26
PID 1400 wrote to memory of 1792	1400	aFOBBGzvsTh1zMw.exe	26
PID 1400 wrote to memory of 1792	1400	aFOBBGzvsTh1zMw.exe	26
PID 1400 wrote to memory of 1792	1400	aFOBBGzvsTh1zMw.exe	26
PID 1400 wrote to memory of 1712	1400	aFOBBGzvsTh1zMw.exe	28
PID 1400 wrote to memory of 1712	1400	aFOBBGzvsTh1zMw.exe	28
PID 1400 wrote to memory of 1712	1400	aFOBBGzvsTh1zMw.exe	28
PID 1400 wrote to memory of 1712	1400	aFOBBGzvsTh1zMw.exe	28
PID 1400 wrote to memory of 1712	1400	aFOBBGzvsTh1zMw.exe	28
PID 1400 wrote to memory of 1712	1400	aFOBBGzvsTh1zMw.exe	28
PID 1400 wrote to memory of 1712	1400	aFOBBGzvsTh1zMw.exe	28
PID 1400 wrote to memory of 1844	1400	aFOBBGzvsTh1zMw.exe	29
PID 1400 wrote to memory of 1844	1400	aFOBBGzvsTh1zMw.exe	29
PID 1400 wrote to memory of 1844	1400	aFOBBGzvsTh1zMw.exe	29
PID 1400 wrote to memory of 1844	1400	aFOBBGzvsTh1zMw.exe	29
PID 1400 wrote to memory of 1844	1400	aFOBBGzvsTh1zMw.exe	29
PID 1400 wrote to memory of 1844	1400	aFOBBGzvsTh1zMw.exe	29
PID 1400 wrote to memory of 1844	1400	aFOBBGzvsTh1zMw.exe	29
PID 1400 wrote to memory of 1844	1400	aFOBBGzvsTh1zMw.exe	29
PID 1400 wrote to memory of 1844	1400	aFOBBGzvsTh1zMw.exe	29
PID 1400 wrote to memory of 1844	1400	aFOBBGzvsTh1zMw.exe	29
PID 1400 wrote to memory of 1844	1400	aFOBBGzvsTh1zMw.exe	29
PID 1400 wrote to memory of 1844	1400	aFOBBGzvsTh1zMw.exe	29
PID 1844 wrote to memory of 1576	1844	RegSvcs.exe	31
PID 1844 wrote to memory of 1576	1844	RegSvcs.exe	31
PID 1844 wrote to memory of 1576	1844	RegSvcs.exe	31
PID 1844 wrote to memory of 1576	1844	RegSvcs.exe	31

C:\Users\Admin\AppData\Local\Temp\aFOBBGzvsTh1zMw.exe
"C:\Users\Admin\AppData\Local\Temp\aFOBBGzvsTh1zMw.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1400
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UCsjukCqeyuReu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6A85.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1792
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "{path}"
  2⤵
  PID:1712
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1844
- - C:\Windows\SysWOW64\netsh.exe
    "netsh" wlan show profile
    3⤵
    PID:1576

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1844-2-0x0000000000400000-0x0000000000452000-memory.dmp

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memory/1844-4-0x0000000000400000-0x0000000000452000-memory.dmp

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memory/1844-5-0x0000000000400000-0x0000000000452000-memory.dmp

Download