agenttesla | 375bc532f731f65440a59ba6c844305f85e70945ca52e09fd899f2b0512d3b42

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29/01/2025, 01:32

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General

Target

shipment.exe
Size

787KB
MD5

a77ebe651aa08b5206633842ab1a9473
SHA1

518f1130f774933d95fe61b23b6c3eed09c957b0
SHA256

9e82ec399abc5ffd0495d493480f8edd2281d43e9de2731afda2eced962cbd9c
SHA512

57a24c52f2bc06b4d41c8a493e2c1cf056e3360dfbb7ffef0d6bd43432e5acd1811bb9a3485e1389c6f5210431d829f99e0d00d4b738e1f36ceaa7aec378a844
SSDEEP

12288:JdY00jKk0lqXNufZD35CfxqV+E9956oAF2TZE0:JddbDlqXaZD40+weMTT

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
1172	powershell.exe
2828	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-1-5-21-3533259084-2542256011-65585152-1000\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 2380 set thread context of 2784	2380	shipment.exe	37

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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	shipment.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
2836	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2380	shipment.exe
1172	powershell.exe
2828	powershell.exe
2380	shipment.exe
2380	shipment.exe
2380	shipment.exe
2784	RegSvcs.exe
2784	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2380	shipment.exe
Token: SeDebugPrivilege	1172	powershell.exe
Token: SeDebugPrivilege	2828	powershell.exe
Token: SeDebugPrivilege	2784	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2784	RegSvcs.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 1172	2380	shipment.exe	30
PID 2380 wrote to memory of 1172	2380	shipment.exe	30
PID 2380 wrote to memory of 1172	2380	shipment.exe	30
PID 2380 wrote to memory of 1172	2380	shipment.exe	30
PID 2380 wrote to memory of 2828	2380	shipment.exe	32
PID 2380 wrote to memory of 2828	2380	shipment.exe	32
PID 2380 wrote to memory of 2828	2380	shipment.exe	32
PID 2380 wrote to memory of 2828	2380	shipment.exe	32
PID 2380 wrote to memory of 2836	2380	shipment.exe	34
PID 2380 wrote to memory of 2836	2380	shipment.exe	34
PID 2380 wrote to memory of 2836	2380	shipment.exe	34
PID 2380 wrote to memory of 2836	2380	shipment.exe	34
PID 2380 wrote to memory of 2752	2380	shipment.exe	36
PID 2380 wrote to memory of 2752	2380	shipment.exe	36
PID 2380 wrote to memory of 2752	2380	shipment.exe	36
PID 2380 wrote to memory of 2752	2380	shipment.exe	36
PID 2380 wrote to memory of 2752	2380	shipment.exe	36
PID 2380 wrote to memory of 2752	2380	shipment.exe	36
PID 2380 wrote to memory of 2752	2380	shipment.exe	36
PID 2380 wrote to memory of 2784	2380	shipment.exe	37
PID 2380 wrote to memory of 2784	2380	shipment.exe	37
PID 2380 wrote to memory of 2784	2380	shipment.exe	37
PID 2380 wrote to memory of 2784	2380	shipment.exe	37
PID 2380 wrote to memory of 2784	2380	shipment.exe	37
PID 2380 wrote to memory of 2784	2380	shipment.exe	37
PID 2380 wrote to memory of 2784	2380	shipment.exe	37
PID 2380 wrote to memory of 2784	2380	shipment.exe	37
PID 2380 wrote to memory of 2784	2380	shipment.exe	37
PID 2380 wrote to memory of 2784	2380	shipment.exe	37
PID 2380 wrote to memory of 2784	2380	shipment.exe	37
PID 2380 wrote to memory of 2784	2380	shipment.exe	37

C:\Users\Admin\AppData\Local\Temp\shipment.exe
"C:\Users\Admin\AppData\Local\Temp\shipment.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2380
- 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\shipment.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1172
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yVgoTT.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2828
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yVgoTT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4BDF.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2836
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:2752
- 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:2784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4BDF.tmp

Filesize
1KB

MD5
c993c0bc841d5bc79342a2f04b591742

SHA1
88c2af01adef6ba2fa14657a483f38cfd77f1d72

SHA256
0d55bc436d83c7c42a68645f1f3f4f63fca9dcff5a5349f8dfa15ceffe89c95e

SHA512
3c2fa82e53686af4308298f16311fd0463944b966b688a46880b3871cdad1cef93ad962a93dab29f81ac2a9ef1235d5b7aab131ef12f25dc37d8f6c6774aa4cb

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

Filesize
7KB

MD5
5471df7be3e5dce960a7d1fee099d476

SHA1
45d91adcb76606e13e4af2e87afa265490e50d0c

SHA256
364763acf3ef6219c26144b49e5ffa5e42aaf4eadcd2adc67c3ed1a5767f0f51

SHA512
1bf8b84ca8ec84dc8d65a7397a74d11676de9daca9b2d56de8a51af10fe8b4e03efcb4b889f61d9e6e13990fe3d15b66521a5c70768234eadda5e95db09cf289

Download Submit
memory/2380-4-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

Filesize
4KB

Download
memory/2380-32-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2380-0-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

Filesize
4KB

Download
memory/2380-5-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2380-6-0x0000000004CF0000-0x0000000004D76000-memory.dmp

Filesize
536KB

Download
memory/2380-2-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2380-1-0x0000000000900000-0x00000000009CA000-memory.dmp

Filesize
808KB

Download
memory/2380-3-0x0000000000500000-0x000000000051E000-memory.dmp

Filesize
120KB

Download
memory/2784-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2784-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2784-31-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2784-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2784-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2784-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2784-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2784-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download