agenttesla | 4202f7fb5710bdb128f6619b2f441cca74c2637267cb1a37b955d7563522ac1b

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-01-2025 01:06

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General

Target

libde265.dll
Size

12.4MB
MD5

0f07a713108d251c74b235b11b323b93
SHA1

f03f2e4e8843e039ae956cc7c2ce0dd1b3323e18
SHA256

e35a0f3e82daf61614b69c1bf096fad9c1fb68de33579667be0eb43d2858c9e6
SHA512

7c37c93b01ab44282298975136cb11e34d9ad39fd40960cbbf746451c4396fd0bacfc58ba8925921f4d02460e4982da780fe756a1e8eea25d9b79956eb0ea437
SSDEEP

393216:iFziWEngnLZiYyR/4uQ5kEgwDRsaFFjURvH8jeVU7/TrwibUJ/KJDfd0:OfdiYyR/4uQ5kEgwDRsaFFjURvH8jeVH

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot7220431026:AAHszs0XzPcajloTXlLJDVKab99uNUvPaok/

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4848 set thread context of 5016	4848	rundll32.exe	84

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	msbuild.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5016	msbuild.exe
5016	msbuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5016	msbuild.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5016	msbuild.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4848 wrote to memory of 1092	4848	rundll32.exe	82
PID 4848 wrote to memory of 1092	4848	rundll32.exe	82
PID 4848 wrote to memory of 1092	4848	rundll32.exe	82
PID 4848 wrote to memory of 3572	4848	rundll32.exe	83
PID 4848 wrote to memory of 3572	4848	rundll32.exe	83
PID 4848 wrote to memory of 3572	4848	rundll32.exe	83
PID 4848 wrote to memory of 5016	4848	rundll32.exe	84
PID 4848 wrote to memory of 5016	4848	rundll32.exe	84
PID 4848 wrote to memory of 5016	4848	rundll32.exe	84
PID 4848 wrote to memory of 5016	4848	rundll32.exe	84
PID 4848 wrote to memory of 5016	4848	rundll32.exe	84
PID 4848 wrote to memory of 5016	4848	rundll32.exe	84
PID 4848 wrote to memory of 5016	4848	rundll32.exe	84
PID 4848 wrote to memory of 5016	4848	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\libde265.dll,#1
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4848
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  PID:1092
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
  2⤵
  PID:3572
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:5016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/5016-0-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/5016-1-0x000000007453E000-0x000000007453F000-memory.dmp

Filesize
4KB

Download
memory/5016-2-0x0000000005900000-0x0000000005EA4000-memory.dmp

Filesize
5.6MB

Download
memory/5016-3-0x00000000053C0000-0x0000000005426000-memory.dmp

Filesize
408KB

Download
memory/5016-4-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/5016-5-0x0000000006190000-0x00000000061E0000-memory.dmp

Filesize
320KB

Download
memory/5016-6-0x0000000006280000-0x000000000631C000-memory.dmp

Filesize
624KB

Download
memory/5016-7-0x0000000006840000-0x00000000068D2000-memory.dmp

Filesize
584KB

Download
memory/5016-8-0x0000000006A10000-0x0000000006A1A000-memory.dmp

Filesize
40KB

Download
memory/5016-9-0x000000007453E000-0x000000007453F000-memory.dmp

Filesize
4KB

Download
memory/5016-10-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download