agenttesla | 9fd19dc2cf698d99f77f584daf924f1e5aa5081be879ede156a33316f9ca8baf

General

Target

edit.dll
Size

6.3MB
MD5

4e579141c090b55f8fcfac304bcba923
SHA1

69f39a145cc4c99d9e1861b53684c7b3144fff13
SHA256

85c2a2e3ee850092e4eb62f7f08165bc4883cd36c30b31dc63b57ccbf5f83fbb
SHA512

7223f8891e800c6c2e64ef6b939d7d4aa54ed3efe41f414b72b04ab14abac0a53d77a9bba3caf73b0b34287fcd79d25fce204a4cfd4f2986ae1708fa605ebd32
SSDEEP

49152:6jI+/FaA3QOruUbRvAV+g16jzDHvAeOMSoSkW0Ly2lUhNT8298T0w4YcUiImewIh:peNrulq0ov8n90HoIC2D/Gx9q

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7727146830:AAHPH5G1BgMzNy35r8HXC1DXB8AIv-I_4cA/

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
5472	rundll32.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-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\rundll32 = "cmd.exe /C start \"\" /D \"C:\\Users\\Admin\\SystemRootDoc\" \"C:\\Users\\Admin\\SystemRootDoc\\rundll32.exe\""	rundll32.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5396 set thread context of 5848	5396	rundll32.exe	97

System Location Discovery: System Language Discovery 1 TTPs 1 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	AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5848	AddInProcess32.exe
5848	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5396	rundll32.exe
Token: SeDebugPrivilege	5848	AddInProcess32.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5396 wrote to memory of 5848	5396	rundll32.exe	97
PID 5396 wrote to memory of 5848	5396	rundll32.exe	97
PID 5396 wrote to memory of 5848	5396	rundll32.exe	97
PID 5396 wrote to memory of 5848	5396	rundll32.exe	97
PID 5396 wrote to memory of 5848	5396	rundll32.exe	97
PID 5396 wrote to memory of 5848	5396	rundll32.exe	97
PID 5396 wrote to memory of 5848	5396	rundll32.exe	97
PID 5396 wrote to memory of 5848	5396	rundll32.exe	97
PID 2468 wrote to memory of 2516	2468	cmd.exe	99
PID 2468 wrote to memory of 2516	2468	cmd.exe	99
PID 2516 wrote to memory of 5472	2516	cmd.exe	100
PID 2516 wrote to memory of 5472	2516	cmd.exe	100

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\edit.dll,#1
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5396
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5848

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c cmd.exe /C start "" /D "C:\Users\Admin\SystemRootDoc" "C:\Users\Admin\SystemRootDoc\rundll32.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2468
- C:\Windows\system32\cmd.exe
  cmd.exe /C start "" /D "C:\Users\Admin\SystemRootDoc" "C:\Users\Admin\SystemRootDoc\rundll32.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2516
- - C:\Users\Admin\SystemRootDoc\rundll32.exe
    "C:\Users\Admin\SystemRootDoc\rundll32.exe"
    3⤵
    - Executes dropped EXE
    PID:5472

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\SystemRootDoc\dpnhupnp.dll

Filesize
10KB

MD5
ba32bb24b7da23bd7ee7ae4b576338cd

SHA1
17731367250361c6b1aaf24f988b8dd1150b1e92

SHA256
7cf4535e85ec02365c54bf460992344fe1e319381e794e51a7ce0f9cb0438929

SHA512
4317c083c491e74ef7e1ad30d79164b3d6ba360f3b83a88d220b21385837049a33c3023c5f9d10c42980c45fecc747d271263242976435abab7612c26e486be4

Download Submit
C:\Users\Admin\SystemRootDoc\rundll32.exe

Filesize
70KB

MD5
ef3179d498793bf4234f708d3be28633

SHA1
dd399ae46303343f9f0da189aee11c67bd868222

SHA256
b53f3c0cd32d7f20849850768da6431e5f876b7bfa61db0aa0700b02873393fa

SHA512
02aff154762d7e53e37754f878ce6aa3f4df5a1eb167e27f13d9762dced32bec892bfa3f3314e3c6dce5998f7d3c400d7d0314b9326eedcab72207c60b3d332e

Download Submit
memory/5848-4423-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/5848-4426-0x000000007541E000-0x000000007541F000-memory.dmp

Filesize
4KB

Download
memory/5848-4427-0x0000000005EA0000-0x0000000006444000-memory.dmp

Filesize
5.6MB

Download
memory/5848-4428-0x0000000005960000-0x00000000059C6000-memory.dmp

Filesize
408KB

Download
memory/5848-4429-0x0000000075410000-0x0000000075BC0000-memory.dmp

Filesize
7.7MB

Download
memory/5848-4430-0x0000000006890000-0x00000000068E0000-memory.dmp

Filesize
320KB

Download
memory/5848-4431-0x0000000006980000-0x0000000006A12000-memory.dmp

Filesize
584KB

Download
memory/5848-4432-0x0000000006910000-0x000000000691A000-memory.dmp

Filesize
40KB

Download
memory/5848-4433-0x000000007541E000-0x000000007541F000-memory.dmp

Filesize
4KB

Download
memory/5848-4434-0x0000000075410000-0x0000000075BC0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads