agenttesla | 94995b2d7b4973d6b4f03c6bd9b7b48380b695342b38ad2ca6556df6daa5edec

Analysis

max time kernel
132s
max time network
136s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
07-09-2024 16:20

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General

Target

A Final Draft Bill of Lading/MpClient.dll
Size

3.6MB
MD5

0a43be5102b0e5f2abe50064403a1714
SHA1

5dc4c843e106bc1989ea806681ed2516dfbf58c2
SHA256

b5939a91e23294e66b958316d8e12f7fec51bc11a06f29273a14427095b7211d
SHA512

e8c20895da9dc2725b9e8d4dbba1f2609de3acdc15b46f2f038e78ee2cf19ca26a14157ee99796783dbe310322448b6949d3ec11b3fcd7b96439432606c095aa
SSDEEP

49152:ounkV6yuVmcBwfJe4j3+qpJ7GxkwWgFbox14M0:npGN7GN

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

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

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
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

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

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	CasPol.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4684	CasPol.exe
4684	CasPol.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4684	CasPol.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4584 wrote to memory of 4684	4584	rundll32.exe	72
PID 4584 wrote to memory of 4684	4584	rundll32.exe	72
PID 4584 wrote to memory of 4684	4584	rundll32.exe	72
PID 4584 wrote to memory of 4684	4584	rundll32.exe	72
PID 4584 wrote to memory of 4684	4584	rundll32.exe	72
PID 4584 wrote to memory of 4684	4584	rundll32.exe	72
PID 4584 wrote to memory of 4684	4584	rundll32.exe	72
PID 4584 wrote to memory of 4684	4584	rundll32.exe	72
PID 4584 wrote to memory of 2596	4584	rundll32.exe	73
PID 4584 wrote to memory of 2596	4584	rundll32.exe	73
PID 4584 wrote to memory of 2596	4584	rundll32.exe	73

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\A Final Draft Bill of Lading\MpClient.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4584
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4684
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
  2⤵
  PID:2596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

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/4684-7-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

Filesize
4KB

Download
memory/4684-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4684-9-0x0000000005DC0000-0x00000000062BE000-memory.dmp

Filesize
5.0MB

Download
memory/4684-10-0x00000000059C0000-0x0000000005A26000-memory.dmp

Filesize
408KB

Download
memory/4684-11-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/4684-12-0x0000000006BD0000-0x0000000006C20000-memory.dmp

Filesize
320KB

Download
memory/4684-13-0x0000000006CC0000-0x0000000006D5C000-memory.dmp

Filesize
624KB

Download
memory/4684-14-0x0000000006E00000-0x0000000006E92000-memory.dmp

Filesize
584KB

Download
memory/4684-15-0x0000000006D80000-0x0000000006D8A000-memory.dmp

Filesize
40KB

Download
memory/4684-16-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

Filesize
4KB

Download
memory/4684-17-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download