agenttesla | 458e5bd8e3508c15449bfd4c9931a59cd2a6a95ed9e6bb5b0090aa6641a29c77

General

Target

Samsung PO 20240920.exe
Size

792KB
MD5

5f573a3c4016eec9eef2c2637c984476
SHA1

eb135221b70205be179f67acab53ab641e158c0a
SHA256

458e5bd8e3508c15449bfd4c9931a59cd2a6a95ed9e6bb5b0090aa6641a29c77
SHA512

32181511455b5a0dd630273a414adf78e8ee9574a2a4449f2f011023ab4e6ea653c96950bd88afe13d1a91809fd97cd14aee77ded16b7742232204592dd2c46f
SSDEEP

12288:nmurGHGAMp6Oul4zXuDVRss2DLaSnkCYR6zJN711xWz/g1HF6CUM:mBGAMkrKz+V2D/nxFpM/gzkM

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.iaa-airferight.com
Port:
587
Username:
[email protected]
Password:
manlikeyou88
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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2508	powershell.exe
2356	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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1600 set thread context of 2856	1600	Samsung PO 20240920.exe	38

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 5 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	Samsung PO 20240920.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Samsung PO 20240920.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1156	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1600	Samsung PO 20240920.exe
1600	Samsung PO 20240920.exe
2856	Samsung PO 20240920.exe
2856	Samsung PO 20240920.exe
2356	powershell.exe
2508	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1600	Samsung PO 20240920.exe
Token: SeDebugPrivilege	2856	Samsung PO 20240920.exe
Token: SeDebugPrivilege	2356	powershell.exe
Token: SeDebugPrivilege	2508	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 2508	1600	Samsung PO 20240920.exe	31
PID 1600 wrote to memory of 2508	1600	Samsung PO 20240920.exe	31
PID 1600 wrote to memory of 2508	1600	Samsung PO 20240920.exe	31
PID 1600 wrote to memory of 2508	1600	Samsung PO 20240920.exe	31
PID 1600 wrote to memory of 2356	1600	Samsung PO 20240920.exe	33
PID 1600 wrote to memory of 2356	1600	Samsung PO 20240920.exe	33
PID 1600 wrote to memory of 2356	1600	Samsung PO 20240920.exe	33
PID 1600 wrote to memory of 2356	1600	Samsung PO 20240920.exe	33
PID 1600 wrote to memory of 1156	1600	Samsung PO 20240920.exe	34
PID 1600 wrote to memory of 1156	1600	Samsung PO 20240920.exe	34
PID 1600 wrote to memory of 1156	1600	Samsung PO 20240920.exe	34
PID 1600 wrote to memory of 1156	1600	Samsung PO 20240920.exe	34
PID 1600 wrote to memory of 2888	1600	Samsung PO 20240920.exe	37
PID 1600 wrote to memory of 2888	1600	Samsung PO 20240920.exe	37
PID 1600 wrote to memory of 2888	1600	Samsung PO 20240920.exe	37
PID 1600 wrote to memory of 2888	1600	Samsung PO 20240920.exe	37
PID 1600 wrote to memory of 2856	1600	Samsung PO 20240920.exe	38
PID 1600 wrote to memory of 2856	1600	Samsung PO 20240920.exe	38
PID 1600 wrote to memory of 2856	1600	Samsung PO 20240920.exe	38
PID 1600 wrote to memory of 2856	1600	Samsung PO 20240920.exe	38
PID 1600 wrote to memory of 2856	1600	Samsung PO 20240920.exe	38
PID 1600 wrote to memory of 2856	1600	Samsung PO 20240920.exe	38
PID 1600 wrote to memory of 2856	1600	Samsung PO 20240920.exe	38
PID 1600 wrote to memory of 2856	1600	Samsung PO 20240920.exe	38
PID 1600 wrote to memory of 2856	1600	Samsung PO 20240920.exe	38

C:\Users\Admin\AppData\Local\Temp\Samsung PO 20240920.exe
"C:\Users\Admin\AppData\Local\Temp\Samsung PO 20240920.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1600
- 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\Samsung PO 20240920.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2508
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YexeAWuPXGyhPE.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2356
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YexeAWuPXGyhPE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF90E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1156
- C:\Users\Admin\AppData\Local\Temp\Samsung PO 20240920.exe
  "C:\Users\Admin\AppData\Local\Temp\Samsung PO 20240920.exe"
  2⤵
  PID:2888
- C:\Users\Admin\AppData\Local\Temp\Samsung PO 20240920.exe
  "C:\Users\Admin\AppData\Local\Temp\Samsung PO 20240920.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF90E.tmp

Filesize
1KB

MD5
9ecb83008ed0d9529f3a53492d7f9ca9

SHA1
795f0109c774cf8727f126a602629140a525bcfe

SHA256
9fc025482bf32817d08eee218d9a8b947bb42b11c66afb84481664cb3ae3a199

SHA512
b6257c6b4f69cd161532eafbb3b07a55c7f9e3c3f64f4a8d36c2ec5081a3728b9a566d5cf4fe35ad96e504a68604dc6a9fb3ff138665930bbb7537edc83f7f50

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
d732fa34913f66005dc40fa49b97d19a

SHA1
9f4595a4db68d4b77d4e4c580815a6b394dc7c13

SHA256
68284c47bc889ca30ef96a44769ba03229367ccefc7bd480991b17020d150a02

SHA512
9efc81ffbac84de30d5d99b2069ae7b6447f6b398cadf58950df658fe23d43999863068dac798c1c9d86c06142bfc238c78cdcf0fae38dd3d63500ef7a56dc4a

Download Submit
memory/1600-4-0x0000000074EAE000-0x0000000074EAF000-memory.dmp

Filesize
4KB

Download
memory/1600-31-0x0000000074EA0000-0x000000007558E000-memory.dmp

Filesize
6.9MB

Download
memory/1600-0-0x0000000074EAE000-0x0000000074EAF000-memory.dmp

Filesize
4KB

Download
memory/1600-5-0x0000000074EA0000-0x000000007558E000-memory.dmp

Filesize
6.9MB

Download
memory/1600-6-0x0000000004D20000-0x0000000004DA2000-memory.dmp

Filesize
520KB

Download
memory/1600-2-0x0000000074EA0000-0x000000007558E000-memory.dmp

Filesize
6.9MB

Download
memory/1600-1-0x0000000000230000-0x00000000002FC000-memory.dmp

Filesize
816KB

Download
memory/1600-3-0x0000000000220000-0x0000000000232000-memory.dmp

Filesize
72KB

Download
memory/2856-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2856-32-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2856-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2856-29-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2856-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2856-28-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2856-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2856-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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