agenttesla | 2703f63ffb3b7a2ec6d07ddfb7eed7af46556e00043426ec051dcfa8fbc36736

General

Target

MV. TBN 58 SHIP PARTICULARS.01.pdf.scr
Size

641KB
MD5

df65c7b5e46230cec189a0e30a8613c1
SHA1

fe1c0d551558a7e85d5e3bc0a08827c11adb558a
SHA256

45854bda114224fa6aceeff0d3f85503e5d6b4c363ba33d58be54b34f240eab2
SHA512

3d341c06862e4b8993919396ce411b3d911d1ea9c0082d64248ec6ca363f8d16e9091e0ab1ac49d6c4a3a3d13405d4a800ced28c9335e52a5c6b712791ef6f94
SSDEEP

12288:2Av4Kh36Nhhmx6ZrHfeu8RFniSf2i8Cs/8iOy1AqUkyNGQGNXH0:y2KjhmxALe3Fv+i8Cs/dEkysjk

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://beirutrest.com
Port:
21
Username:
[email protected]
Password:
9yXQ39wz(uL+

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
2700	powershell.exe

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 948 set thread context of 2836	948	MV. TBN 58 SHIP PARTICULARS.01.pdf.scr	34

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	MV. TBN 58 SHIP PARTICULARS.01.pdf.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MV. TBN 58 SHIP PARTICULARS.01.pdf.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
948	MV. TBN 58 SHIP PARTICULARS.01.pdf.scr
948	MV. TBN 58 SHIP PARTICULARS.01.pdf.scr
2836	MV. TBN 58 SHIP PARTICULARS.01.pdf.scr
2836	MV. TBN 58 SHIP PARTICULARS.01.pdf.scr
2700	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	948	MV. TBN 58 SHIP PARTICULARS.01.pdf.scr
Token: SeDebugPrivilege	2836	MV. TBN 58 SHIP PARTICULARS.01.pdf.scr
Token: SeDebugPrivilege	2700	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 948 wrote to memory of 2700	948	MV. TBN 58 SHIP PARTICULARS.01.pdf.scr	31
PID 948 wrote to memory of 2700	948	MV. TBN 58 SHIP PARTICULARS.01.pdf.scr	31
PID 948 wrote to memory of 2700	948	MV. TBN 58 SHIP PARTICULARS.01.pdf.scr	31
PID 948 wrote to memory of 2700	948	MV. TBN 58 SHIP PARTICULARS.01.pdf.scr	31
PID 948 wrote to memory of 2744	948	MV. TBN 58 SHIP PARTICULARS.01.pdf.scr	33
PID 948 wrote to memory of 2744	948	MV. TBN 58 SHIP PARTICULARS.01.pdf.scr	33
PID 948 wrote to memory of 2744	948	MV. TBN 58 SHIP PARTICULARS.01.pdf.scr	33
PID 948 wrote to memory of 2744	948	MV. TBN 58 SHIP PARTICULARS.01.pdf.scr	33
PID 948 wrote to memory of 2836	948	MV. TBN 58 SHIP PARTICULARS.01.pdf.scr	34
PID 948 wrote to memory of 2836	948	MV. TBN 58 SHIP PARTICULARS.01.pdf.scr	34
PID 948 wrote to memory of 2836	948	MV. TBN 58 SHIP PARTICULARS.01.pdf.scr	34
PID 948 wrote to memory of 2836	948	MV. TBN 58 SHIP PARTICULARS.01.pdf.scr	34
PID 948 wrote to memory of 2836	948	MV. TBN 58 SHIP PARTICULARS.01.pdf.scr	34
PID 948 wrote to memory of 2836	948	MV. TBN 58 SHIP PARTICULARS.01.pdf.scr	34
PID 948 wrote to memory of 2836	948	MV. TBN 58 SHIP PARTICULARS.01.pdf.scr	34
PID 948 wrote to memory of 2836	948	MV. TBN 58 SHIP PARTICULARS.01.pdf.scr	34
PID 948 wrote to memory of 2836	948	MV. TBN 58 SHIP PARTICULARS.01.pdf.scr	34

C:\Users\Admin\AppData\Local\Temp\MV. TBN 58 SHIP PARTICULARS.01.pdf.scr
"C:\Users\Admin\AppData\Local\Temp\MV. TBN 58 SHIP PARTICULARS.01.pdf.scr" /S
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:948
- 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\MV. TBN 58 SHIP PARTICULARS.01.pdf.scr"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2700
- C:\Users\Admin\AppData\Local\Temp\MV. TBN 58 SHIP PARTICULARS.01.pdf.scr
  "C:\Users\Admin\AppData\Local\Temp\MV. TBN 58 SHIP PARTICULARS.01.pdf.scr"
  2⤵
  PID:2744
- C:\Users\Admin\AppData\Local\Temp\MV. TBN 58 SHIP PARTICULARS.01.pdf.scr
  "C:\Users\Admin\AppData\Local\Temp\MV. TBN 58 SHIP PARTICULARS.01.pdf.scr"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2836

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

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

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/948-0-0x00000000741EE000-0x00000000741EF000-memory.dmp

Filesize
4KB

Download
memory/948-1-0x0000000000140000-0x00000000001E6000-memory.dmp

Filesize
664KB

Download
memory/948-2-0x00000000741E0000-0x00000000748CE000-memory.dmp

Filesize
6.9MB

Download
memory/948-3-0x00000000006D0000-0x00000000006E0000-memory.dmp

Filesize
64KB

Download
memory/948-4-0x00000000741EE000-0x00000000741EF000-memory.dmp

Filesize
4KB

Download
memory/948-5-0x00000000741E0000-0x00000000748CE000-memory.dmp

Filesize
6.9MB

Download
memory/948-6-0x00000000051F0000-0x0000000005272000-memory.dmp

Filesize
520KB

Download
memory/948-24-0x00000000741E0000-0x00000000748CE000-memory.dmp

Filesize
6.9MB

Download
memory/2836-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2836-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2836-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2836-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2836-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2836-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2836-22-0x00000000741E0000-0x00000000748CE000-memory.dmp

Filesize
6.9MB

Download
memory/2836-17-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2836-23-0x00000000741E0000-0x00000000748CE000-memory.dmp

Filesize
6.9MB

Download
memory/2836-13-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2836-27-0x00000000741E0000-0x00000000748CE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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