agenttesla | 8cd65c1a0f043d6b2b5630c07e7e5aff039eea2d3fee8f7c6bba6e1c41a6efec

Analysis

max time kernel
102s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
19/02/2025, 02:04

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General

Target
Šiauliai.dll
Size 3.9MB
Sample250219-che7lstre1
SHA256 8cd65c1a0f043d6b2b5630c07e7e5aff039eea2d3fee8f7c6bba6e1c41a6efec
MD5 1f7370b202a1c069a7b7f065c7dec77c
SHA1 c6bec119b652e324d6bf81540d271e9564c7f5b6
SHA512 0a7a0c670633bf4c33e1813900d144e3af599eac755a4101f63f1020a8710b474cf7d53e88e7fef82fe2d764314708058effadde3a85b8af400161f7200a0c8d
SSDEEP 98304:O+xukXxugY+bKzkt/OOREAsdpfb5GbAioNr1JfupQjq6wWI8ZAtDe5yOZI3R31Tv:1xukXxugY+bKzkt/OOREAsdpfb5GbAiP
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
162.254.34.31
Port
587
Username
[email protected]
Password
M992uew1mw6Z
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

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
10	api.ipify.org
11	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2632 set thread context of 2132	2632	rundll32.exe	88

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
2132	AddInProcess32.exe
2132	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2132	AddInProcess32.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 2132	2632	rundll32.exe	88
PID 2632 wrote to memory of 2132	2632	rundll32.exe	88
PID 2632 wrote to memory of 2132	2632	rundll32.exe	88
PID 2632 wrote to memory of 2132	2632	rundll32.exe	88
PID 2632 wrote to memory of 2132	2632	rundll32.exe	88
PID 2632 wrote to memory of 2132	2632	rundll32.exe	88
PID 2632 wrote to memory of 2132	2632	rundll32.exe	88
PID 2632 wrote to memory of 2132	2632	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Šiauliai.dll,#1
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2632
- 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:2132

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

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Downloads

memory/2132-0-0x0000000000400000-0x0000000000440000-memory.dmp

Download

memory/2132-1-0x00000000749BE000-0x00000000749BF000-memory.dmp

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memory/2132-2-0x0000000005D30000-0x00000000062D4000-memory.dmp

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memory/2132-3-0x0000000005880000-0x00000000058E6000-memory.dmp

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memory/2132-4-0x00000000749B0000-0x0000000075160000-memory.dmp

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memory/2132-5-0x0000000006C30000-0x0000000006C80000-memory.dmp

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memory/2132-6-0x0000000006D20000-0x0000000006DB2000-memory.dmp

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memory/2132-7-0x0000000006CA0000-0x0000000006CAA000-memory.dmp

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memory/2132-8-0x00000000749BE000-0x00000000749BF000-memory.dmp

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memory/2132-9-0x00000000749B0000-0x0000000075160000-memory.dmp

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