agenttesla | 4753f11e296430bb40e328ad38fe44ecf72aafcdf12cfed22bf16d3f8a0ade34

General

Target

18092024 PDF.exe
Size

849KB
MD5

7e7122557d4dcc0e0e39031aeee97570
SHA1

ca1d7c0bd2ae735caa8df2ec50f6afec92b6e565
SHA256

4753f11e296430bb40e328ad38fe44ecf72aafcdf12cfed22bf16d3f8a0ade34
SHA512

4f74b2fa8f3b6b229c6b3f8c415536452a0501d1d3cda0fe77a9a3e9dde5ee41db44e072c584b9f8f2336b3214cde1a7a6e7d0dff9138212d16ae3aebd4fcf8e
SSDEEP

12288:SKlllZcsZ6ahn6JZN08J734IAMdv2+p8HVzzuS+Q3czbWbtb+Ayt+1LmZ3K1K:DcmN6Jj0ibXv2+WD+Qeb0YAO+1W3K1K

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://inhanoi.net.vn
Port:
21
Username:
[email protected]
Password:
^TSt3!FK$UBA

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2444	powershell.exe

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2348 set thread context of 568	2348	18092024 PDF.exe	33

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	18092024 PDF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
568	MSBuild.exe
568	MSBuild.exe
2444	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	568	MSBuild.exe
Token: SeDebugPrivilege	2444	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 2444	2348	18092024 PDF.exe	31
PID 2348 wrote to memory of 2444	2348	18092024 PDF.exe	31
PID 2348 wrote to memory of 2444	2348	18092024 PDF.exe	31
PID 2348 wrote to memory of 2444	2348	18092024 PDF.exe	31
PID 2348 wrote to memory of 568	2348	18092024 PDF.exe	33
PID 2348 wrote to memory of 568	2348	18092024 PDF.exe	33
PID 2348 wrote to memory of 568	2348	18092024 PDF.exe	33
PID 2348 wrote to memory of 568	2348	18092024 PDF.exe	33
PID 2348 wrote to memory of 568	2348	18092024 PDF.exe	33
PID 2348 wrote to memory of 568	2348	18092024 PDF.exe	33
PID 2348 wrote to memory of 568	2348	18092024 PDF.exe	33
PID 2348 wrote to memory of 568	2348	18092024 PDF.exe	33
PID 2348 wrote to memory of 568	2348	18092024 PDF.exe	33

C:\Users\Admin\AppData\Local\Temp\18092024 PDF.exe
"C:\Users\Admin\AppData\Local\Temp\18092024 PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\18092024 PDF.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2444
- 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
  PID:568

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/568-13-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/568-12-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/568-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/568-10-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/568-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/568-16-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/568-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/568-14-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2348-1-0x00000000012A0000-0x000000000137A000-memory.dmp

Filesize
872KB

Download
memory/2348-0-0x000000007422E000-0x000000007422F000-memory.dmp

Filesize
4KB

Download
memory/2348-5-0x0000000005070000-0x00000000050F2000-memory.dmp

Filesize
520KB

Download
memory/2348-4-0x0000000074220000-0x000000007490E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-3-0x0000000000410000-0x0000000000420000-memory.dmp

Filesize
64KB

Download
memory/2348-2-0x0000000074220000-0x000000007490E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-20-0x0000000074220000-0x000000007490E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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