agenttesla | a7d2fb68bc40f6799cf17ceb8c150df30f19d7112ca6ca3f96c87d655e85f942

General

Target

a7d2fb68bc40f6799cf17ceb8c150df30f19d7112ca6ca3f96c87d655e85f942.exe
Size

1.0MB
MD5

81135e57b4093fe559bf840d44268bc7
SHA1

46f1bc65158143f12d580d981ab7030f6fe3744d
SHA256

a7d2fb68bc40f6799cf17ceb8c150df30f19d7112ca6ca3f96c87d655e85f942
SHA512

cb02a114fc5616fd428a637e65a5c1d8fc2f7a9fdd6415097e8e3e0742c3e7f72a0e4d4a5d0a8087c046282ae7189c5f14fa7cc89f9eab0bcf6e7ba58b9526e6
SSDEEP

24576:1sjj0y7v3yoK3pIGfm3V4XsgTkHmX4CTHSi/SFYyfi5SfAy:ewy7PyT3pIGu3V4cgYUX/MYyfi5SfD

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.fasmacopy.gr
Port:
587
Username:
[email protected]
Password:
Fam28sjd
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
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1796 set thread context of 2884	1796	a7d2fb68bc40f6799cf17ceb8c150df30f19d7112ca6ca3f96c87d655e85f942.exe	31

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	a7d2fb68bc40f6799cf17ceb8c150df30f19d7112ca6ca3f96c87d655e85f942.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a7d2fb68bc40f6799cf17ceb8c150df30f19d7112ca6ca3f96c87d655e85f942.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1796	a7d2fb68bc40f6799cf17ceb8c150df30f19d7112ca6ca3f96c87d655e85f942.exe
1796	a7d2fb68bc40f6799cf17ceb8c150df30f19d7112ca6ca3f96c87d655e85f942.exe
2884	a7d2fb68bc40f6799cf17ceb8c150df30f19d7112ca6ca3f96c87d655e85f942.exe
2884	a7d2fb68bc40f6799cf17ceb8c150df30f19d7112ca6ca3f96c87d655e85f942.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1796	a7d2fb68bc40f6799cf17ceb8c150df30f19d7112ca6ca3f96c87d655e85f942.exe
Token: SeDebugPrivilege	2884	a7d2fb68bc40f6799cf17ceb8c150df30f19d7112ca6ca3f96c87d655e85f942.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2884	a7d2fb68bc40f6799cf17ceb8c150df30f19d7112ca6ca3f96c87d655e85f942.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 2884	1796	a7d2fb68bc40f6799cf17ceb8c150df30f19d7112ca6ca3f96c87d655e85f942.exe	31
PID 1796 wrote to memory of 2884	1796	a7d2fb68bc40f6799cf17ceb8c150df30f19d7112ca6ca3f96c87d655e85f942.exe	31
PID 1796 wrote to memory of 2884	1796	a7d2fb68bc40f6799cf17ceb8c150df30f19d7112ca6ca3f96c87d655e85f942.exe	31
PID 1796 wrote to memory of 2884	1796	a7d2fb68bc40f6799cf17ceb8c150df30f19d7112ca6ca3f96c87d655e85f942.exe	31
PID 1796 wrote to memory of 2884	1796	a7d2fb68bc40f6799cf17ceb8c150df30f19d7112ca6ca3f96c87d655e85f942.exe	31
PID 1796 wrote to memory of 2884	1796	a7d2fb68bc40f6799cf17ceb8c150df30f19d7112ca6ca3f96c87d655e85f942.exe	31
PID 1796 wrote to memory of 2884	1796	a7d2fb68bc40f6799cf17ceb8c150df30f19d7112ca6ca3f96c87d655e85f942.exe	31
PID 1796 wrote to memory of 2884	1796	a7d2fb68bc40f6799cf17ceb8c150df30f19d7112ca6ca3f96c87d655e85f942.exe	31
PID 1796 wrote to memory of 2884	1796	a7d2fb68bc40f6799cf17ceb8c150df30f19d7112ca6ca3f96c87d655e85f942.exe	31

C:\Users\Admin\AppData\Local\Temp\a7d2fb68bc40f6799cf17ceb8c150df30f19d7112ca6ca3f96c87d655e85f942.exe
"C:\Users\Admin\AppData\Local\Temp\a7d2fb68bc40f6799cf17ceb8c150df30f19d7112ca6ca3f96c87d655e85f942.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1796
- C:\Users\Admin\AppData\Local\Temp\a7d2fb68bc40f6799cf17ceb8c150df30f19d7112ca6ca3f96c87d655e85f942.exe
  "C:\Users\Admin\AppData\Local\Temp\a7d2fb68bc40f6799cf17ceb8c150df30f19d7112ca6ca3f96c87d655e85f942.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1796-0-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/1796-1-0x0000000000950000-0x0000000000A5C000-memory.dmp

Filesize
1.0MB

Download
memory/1796-2-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/1796-3-0x00000000008A0000-0x00000000008B8000-memory.dmp

Filesize
96KB

Download
memory/1796-4-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/1796-5-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/1796-6-0x0000000005CC0000-0x0000000005D42000-memory.dmp

Filesize
520KB

Download
memory/1796-19-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2884-13-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2884-17-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2884-15-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2884-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2884-10-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2884-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2884-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2884-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2884-18-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2884-20-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2884-21-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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