agenttesla | d6da864003f7e52db5c94d1381b7ac890f3dcfae1dfd2dc245e8a18a6590d29a

General

Target

shipping documents.exe
Size

779KB
MD5

6bb964b13d7d40f9154178dcd5aef0b2
SHA1

d8c1b8b31565af7457ba8e6deb0bd6cb5ed4c6db
SHA256

7abd614a718eae6e0544e6828c834f275248093b5d807b7cc5c4de975dc7abc9
SHA512

7afb160ab3792943c8521c5551d011f19bd9bbaa91f8151b1f4198050ab9179ce5a130c75692d8c43ca4afb9f02b0c2375af20e6638cf0879939478bb77134da
SSDEEP

12288:a8XWXV7OeKYoX1hIlvJnvuejh2iUGxZ37v3BICEQXhGgqkN7HuK:wOeKYFSejhmOrRInOhGEx

Score

10^/10

agenttesla discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.starmech.net
Port:
587
Username:
[email protected]
Password:
nics123
Email To:
[email protected]

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2876	powershell.exe
2840	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe"	RegSvcs.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2148 set thread context of 2864	2148	shipping documents.exe	35

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	shipping documents.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2148	shipping documents.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2368	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2148	shipping documents.exe
2148	shipping documents.exe
2864	RegSvcs.exe
2864	RegSvcs.exe
2840	powershell.exe
2876	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2148	shipping documents.exe
Token: SeDebugPrivilege	2864	RegSvcs.exe
Token: SeDebugPrivilege	2840	powershell.exe
Token: SeDebugPrivilege	2876	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2864	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 2876	2148	shipping documents.exe	29
PID 2148 wrote to memory of 2876	2148	shipping documents.exe	29
PID 2148 wrote to memory of 2876	2148	shipping documents.exe	29
PID 2148 wrote to memory of 2876	2148	shipping documents.exe	29
PID 2148 wrote to memory of 2840	2148	shipping documents.exe	31
PID 2148 wrote to memory of 2840	2148	shipping documents.exe	31
PID 2148 wrote to memory of 2840	2148	shipping documents.exe	31
PID 2148 wrote to memory of 2840	2148	shipping documents.exe	31
PID 2148 wrote to memory of 2368	2148	shipping documents.exe	33
PID 2148 wrote to memory of 2368	2148	shipping documents.exe	33
PID 2148 wrote to memory of 2368	2148	shipping documents.exe	33
PID 2148 wrote to memory of 2368	2148	shipping documents.exe	33
PID 2148 wrote to memory of 2864	2148	shipping documents.exe	35
PID 2148 wrote to memory of 2864	2148	shipping documents.exe	35
PID 2148 wrote to memory of 2864	2148	shipping documents.exe	35
PID 2148 wrote to memory of 2864	2148	shipping documents.exe	35
PID 2148 wrote to memory of 2864	2148	shipping documents.exe	35
PID 2148 wrote to memory of 2864	2148	shipping documents.exe	35
PID 2148 wrote to memory of 2864	2148	shipping documents.exe	35
PID 2148 wrote to memory of 2864	2148	shipping documents.exe	35
PID 2148 wrote to memory of 2864	2148	shipping documents.exe	35
PID 2148 wrote to memory of 2864	2148	shipping documents.exe	35
PID 2148 wrote to memory of 2864	2148	shipping documents.exe	35
PID 2148 wrote to memory of 2864	2148	shipping documents.exe	35

C:\Users\Admin\AppData\Local\Temp\shipping documents.exe
"C:\Users\Admin\AppData\Local\Temp\shipping documents.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\shipping documents.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2876
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AZUARB.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2840
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AZUARB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBEDC.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2368
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpBEDC.tmp

Filesize
1KB

MD5
6c4b21c631799ef3ae42575a3292cbb2

SHA1
d9c9c3a3b89e2efaa6ec133c9fb35336fb47a227

SHA256
509bddaf6931fd3018fc2750a654e5e23198eb48b42b393af382f04bef7c5f47

SHA512
e8e72e7b3f05d77b0844981794778b629a038d851395bd39f1ed917f812604778781dadf9b38e445a952f891c36b20f34cf3e0ef845a6a3506e810d082e0d9ec

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
a67c70e148118646f3817c2bb639044f

SHA1
c634e366d8b9b268bc7015b4a1c8e5a66573b292

SHA256
6b850381ca483c73436be83c1f1f32a8fdfa76f5945a7cc2e60a4412f4a07730

SHA512
bf72a564a8c8dce55293acfd02caba8348d8a99bf1100d3fcebfa752dcf8fb80a270badd1fe0af351e7a3eb2227b67ef23ed151350fdcd3cbc73093530daf75a

Download Submit
memory/2148-4-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/2148-32-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2148-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/2148-5-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2148-6-0x0000000005C50000-0x0000000005CD6000-memory.dmp

Filesize
536KB

Download
memory/2148-2-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2148-1-0x0000000000910000-0x00000000009DA000-memory.dmp

Filesize
808KB

Download
memory/2148-3-0x00000000006C0000-0x00000000006E6000-memory.dmp

Filesize
152KB

Download
memory/2864-31-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2864-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2864-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2864-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2864-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2864-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2864-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2864-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads