agenttesla | 0c2e276619d4b87e082dbd7ead5b09a85ad625584f64b2ed34548713fc776eeb

General

Target

malw.exe
Size

940KB
MD5

6078bb5f64133b9af08b04ef47aaf3d8
SHA1

779fe7b28b8e4e4320595bafc4455581da5ff1b9
SHA256

0c2e276619d4b87e082dbd7ead5b09a85ad625584f64b2ed34548713fc776eeb
SHA512

8bb0dc1386624c2161f8dfee9cf84828d384bc8dd2b85a15119bb7ba2be9447703f56132015c521b44ebbed8a23e199bde4c8391546616a946fa285a325cccf5
SSDEEP

12288:PxK395tBOMVj0Gth54WDtQd33L65xOfIrcR6k29sfFE4TUm1P:PVkFdDad33LLIrJkNFE4ht

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.concaribe.com
Port:
21
Username:
[email protected]
Password:
ro}UWgz#!38E

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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 3 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

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1656 set thread context of 1892	1656	malw.exe	28

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1892	malw.exe
1892	malw.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1892	malw.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 1892	1656	malw.exe	28
PID 1656 wrote to memory of 1892	1656	malw.exe	28
PID 1656 wrote to memory of 1892	1656	malw.exe	28
PID 1656 wrote to memory of 1892	1656	malw.exe	28
PID 1656 wrote to memory of 1892	1656	malw.exe	28
PID 1656 wrote to memory of 1892	1656	malw.exe	28
PID 1656 wrote to memory of 1892	1656	malw.exe	28
PID 1656 wrote to memory of 1892	1656	malw.exe	28
PID 1656 wrote to memory of 1892	1656	malw.exe	28

C:\Users\Admin\AppData\Local\Temp\malw.exe
"C:\Users\Admin\AppData\Local\Temp\malw.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Users\Admin\AppData\Local\Temp\malw.exe
  "C:\Users\Admin\AppData\Local\Temp\malw.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1892

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/1656-0-0x000000007490E000-0x000000007490F000-memory.dmp

Filesize
4KB

Download
memory/1656-1-0x0000000000F70000-0x0000000001062000-memory.dmp

Filesize
968KB

Download
memory/1656-2-0x00000000004D0000-0x0000000000518000-memory.dmp

Filesize
288KB

Download
memory/1656-19-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/1656-16-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/1892-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1892-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1892-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1892-17-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/1892-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1892-3-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1892-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1892-5-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1892-18-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/1892-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1892-20-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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