agenttesla | 0989a20ad0aceb20e2199f0bceaec9461f94b49899f7d2cb1ce61d05473f5d1a

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-10-2024 11:04

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General

Target

Docs.exe
Size

1.1MB
MD5

9b5147cc095f0509964efa7f5daebdec
SHA1

6a1b85f7d809b5e34d31822e16a557fc0c8f4b31
SHA256

0989a20ad0aceb20e2199f0bceaec9461f94b49899f7d2cb1ce61d05473f5d1a
SHA512

e191b63e7c095f6415dd546646fcb558f3d3ea65684293dc3a9c6544611262dbf50b4da623f4f30d9cdad1511071ad31eb575f29b206f94e2e422d515cbf0294
SSDEEP

24576:ffmMv6Ckr7Mny5QLj9PHl2ZjITtmuoEx9LMQUW:f3v+7/5QLZPpl5L

Score

10^/10

agenttesla discovery 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

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-1-5-21-312935884-697965778-3955649944-1000\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
5	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2532 set thread context of 492	2532	Docs.exe	31

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 2 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	Docs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
492	RegSvcs.exe
492	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2532	Docs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	492	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
492	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 492	2532	Docs.exe	31
PID 2532 wrote to memory of 492	2532	Docs.exe	31
PID 2532 wrote to memory of 492	2532	Docs.exe	31
PID 2532 wrote to memory of 492	2532	Docs.exe	31
PID 2532 wrote to memory of 492	2532	Docs.exe	31
PID 2532 wrote to memory of 492	2532	Docs.exe	31
PID 2532 wrote to memory of 492	2532	Docs.exe	31
PID 2532 wrote to memory of 492	2532	Docs.exe	31

C:\Users\Admin\AppData\Local\Temp\Docs.exe
"C:\Users\Admin\AppData\Local\Temp\Docs.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\Docs.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:492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

memory/492-3-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/492-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/492-5-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/492-8-0x00000000738EE000-0x00000000738EF000-memory.dmp

Filesize
4KB

Download
memory/492-9-0x00000000738E0000-0x0000000073FCE000-memory.dmp

Filesize
6.9MB

Download
memory/492-11-0x00000000738EE000-0x00000000738EF000-memory.dmp

Filesize
4KB

Download
memory/492-12-0x00000000738E0000-0x0000000073FCE000-memory.dmp

Filesize
6.9MB

Download
memory/2532-2-0x0000000003D20000-0x0000000004120000-memory.dmp

Filesize
4.0MB

Download