agenttesla | 3cfb32ef3a7c4f70c6616c3539acf11005bd26c3b426fbd9ff5bbf8e4c6eb11a

General

Target

PO-08292024.exe
Size

656KB
MD5

fdb40fe39d271c947656838f2cde9d7d
SHA1

3c937a5ac66dc29fe0e3e70fa3eaf75cfc180a2d
SHA256

cfe2721470f3d2165536a03920786dc6ad9a85cb8efd74362be8315ed261cbef
SHA512

e287affe9b05026d61b68198ebe30d94606f9a8c4276b176824262e412eb84151a5b0bee422917a3999185d7714aa06b341d9a59bcc489f8abb91eb6ede100b8
SSDEEP

12288:tVVmj9iYtgaRhSTLo+s7FCiVjouzigHlmBDbajJ8nCl:5TYnhcLo+27ku0+8n

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.bahar.co.ke
Port:
587
Username:
[email protected]
Password:
@0792161600
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
3044	powershell.exe
952	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 1748 set thread context of 2144	1748	PO-08292024.exe	35

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO-08292024.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO-08292024.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2032	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3044	powershell.exe
952	powershell.exe
2144	PO-08292024.exe
2144	PO-08292024.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3044	powershell.exe
Token: SeDebugPrivilege	952	powershell.exe
Token: SeDebugPrivilege	2144	PO-08292024.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 3044	1748	PO-08292024.exe	29
PID 1748 wrote to memory of 3044	1748	PO-08292024.exe	29
PID 1748 wrote to memory of 3044	1748	PO-08292024.exe	29
PID 1748 wrote to memory of 3044	1748	PO-08292024.exe	29
PID 1748 wrote to memory of 952	1748	PO-08292024.exe	31
PID 1748 wrote to memory of 952	1748	PO-08292024.exe	31
PID 1748 wrote to memory of 952	1748	PO-08292024.exe	31
PID 1748 wrote to memory of 952	1748	PO-08292024.exe	31
PID 1748 wrote to memory of 2032	1748	PO-08292024.exe	33
PID 1748 wrote to memory of 2032	1748	PO-08292024.exe	33
PID 1748 wrote to memory of 2032	1748	PO-08292024.exe	33
PID 1748 wrote to memory of 2032	1748	PO-08292024.exe	33
PID 1748 wrote to memory of 2144	1748	PO-08292024.exe	35
PID 1748 wrote to memory of 2144	1748	PO-08292024.exe	35
PID 1748 wrote to memory of 2144	1748	PO-08292024.exe	35
PID 1748 wrote to memory of 2144	1748	PO-08292024.exe	35
PID 1748 wrote to memory of 2144	1748	PO-08292024.exe	35
PID 1748 wrote to memory of 2144	1748	PO-08292024.exe	35
PID 1748 wrote to memory of 2144	1748	PO-08292024.exe	35
PID 1748 wrote to memory of 2144	1748	PO-08292024.exe	35
PID 1748 wrote to memory of 2144	1748	PO-08292024.exe	35

C:\Users\Admin\AppData\Local\Temp\PO-08292024.exe
"C:\Users\Admin\AppData\Local\Temp\PO-08292024.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1748
- 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\PO-08292024.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3044
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jpiemi.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:952
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jpiemi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCB6A.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2032
- C:\Users\Admin\AppData\Local\Temp\PO-08292024.exe
  "C:\Users\Admin\AppData\Local\Temp\PO-08292024.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2144

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\tmpCB6A.tmp

Filesize
1KB

MD5
41b16c0e8fff9087990d8c51dd4c6024

SHA1
ae3092b0c3e336863552e2786e611221597dd792

SHA256
03fd6c3f92bb657c261c15bcf2ec2424c2fd2978a98612d7e4cdd44d99ee5556

SHA512
4a19ca48881d53262dd5016d42e81973621beea17d9b9b69ec268ff56e8829cb1069e7c3a759e622939940b50f55611f305e020a701566e545267dd5ecf420ec

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

Filesize
7KB

MD5
028aed118f168048cf14af8bc53f9f52

SHA1
6dc4dc1fc2b488b78d3b46f8ddf9ed70dd4b7cea

SHA256
4f1771bc8b0a847706c4f1cb6264fc7de9d5ed1b2a8211e03a539aa96533d32c

SHA512
2407af7b7b6a67fb953f7807ce8f6c834abef9a93601511d5d6a3da340b83f0eeeddc505797857e46259532e6cd5ff42e10000a0e38de21cbc1270a45a695529

Download Submit
memory/1748-4-0x000000007403E000-0x000000007403F000-memory.dmp

Filesize
4KB

Download
memory/1748-31-0x0000000074030000-0x000000007471E000-memory.dmp

Filesize
6.9MB

Download
memory/1748-0-0x000000007403E000-0x000000007403F000-memory.dmp

Filesize
4KB

Download
memory/1748-5-0x0000000074030000-0x000000007471E000-memory.dmp

Filesize
6.9MB

Download
memory/1748-6-0x00000000045D0000-0x0000000004652000-memory.dmp

Filesize
520KB

Download
memory/1748-2-0x0000000074030000-0x000000007471E000-memory.dmp

Filesize
6.9MB

Download
memory/1748-1-0x0000000000180000-0x000000000022A000-memory.dmp

Filesize
680KB

Download
memory/1748-3-0x00000000006C0000-0x00000000006D8000-memory.dmp

Filesize
96KB

Download
memory/2144-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2144-29-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2144-28-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2144-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2144-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2144-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2144-30-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2144-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads