agenttesla | ff487e2ea6195cc78c6c3f1d9d23aae0902eec37964143cf85cd425252a0072b

General

Target

ff487e2ea6195cc78c6c3f1d9d23aae0902eec37964143cf85cd425252a0072b.exe
Size

655KB
MD5

c11de0f345b1700dbfe6dc9f9b09e33f
SHA1

1816d6d91fecf2522c23fd5244195305cfd63a72
SHA256

ff487e2ea6195cc78c6c3f1d9d23aae0902eec37964143cf85cd425252a0072b
SHA512

783da98a0ef5dc41c9b3fc98a4d1e03d86183a91cef8ac88b96a358032e88e416ae17c06c60df2f594ff9448fde1f8c01399814d1bb2e71b6fc194a294c3d463
SSDEEP

12288:MHfPo81EJOA/++djTruJLFeRzccQRbomwaYuEhIdz0xeggFGM6Q5auK:X84jTrutFexcU6EhewxldMb5au

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
2412	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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2540 set thread context of 2528	2540	ff487e2ea6195cc78c6c3f1d9d23aae0902eec37964143cf85cd425252a0072b.exe	31

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	ff487e2ea6195cc78c6c3f1d9d23aae0902eec37964143cf85cd425252a0072b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ff487e2ea6195cc78c6c3f1d9d23aae0902eec37964143cf85cd425252a0072b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2528	ff487e2ea6195cc78c6c3f1d9d23aae0902eec37964143cf85cd425252a0072b.exe
2528	ff487e2ea6195cc78c6c3f1d9d23aae0902eec37964143cf85cd425252a0072b.exe
2412	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2528	ff487e2ea6195cc78c6c3f1d9d23aae0902eec37964143cf85cd425252a0072b.exe
Token: SeDebugPrivilege	2412	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 2412	2540	ff487e2ea6195cc78c6c3f1d9d23aae0902eec37964143cf85cd425252a0072b.exe	29
PID 2540 wrote to memory of 2412	2540	ff487e2ea6195cc78c6c3f1d9d23aae0902eec37964143cf85cd425252a0072b.exe	29
PID 2540 wrote to memory of 2412	2540	ff487e2ea6195cc78c6c3f1d9d23aae0902eec37964143cf85cd425252a0072b.exe	29
PID 2540 wrote to memory of 2412	2540	ff487e2ea6195cc78c6c3f1d9d23aae0902eec37964143cf85cd425252a0072b.exe	29
PID 2540 wrote to memory of 2528	2540	ff487e2ea6195cc78c6c3f1d9d23aae0902eec37964143cf85cd425252a0072b.exe	31
PID 2540 wrote to memory of 2528	2540	ff487e2ea6195cc78c6c3f1d9d23aae0902eec37964143cf85cd425252a0072b.exe	31
PID 2540 wrote to memory of 2528	2540	ff487e2ea6195cc78c6c3f1d9d23aae0902eec37964143cf85cd425252a0072b.exe	31
PID 2540 wrote to memory of 2528	2540	ff487e2ea6195cc78c6c3f1d9d23aae0902eec37964143cf85cd425252a0072b.exe	31
PID 2540 wrote to memory of 2528	2540	ff487e2ea6195cc78c6c3f1d9d23aae0902eec37964143cf85cd425252a0072b.exe	31
PID 2540 wrote to memory of 2528	2540	ff487e2ea6195cc78c6c3f1d9d23aae0902eec37964143cf85cd425252a0072b.exe	31
PID 2540 wrote to memory of 2528	2540	ff487e2ea6195cc78c6c3f1d9d23aae0902eec37964143cf85cd425252a0072b.exe	31
PID 2540 wrote to memory of 2528	2540	ff487e2ea6195cc78c6c3f1d9d23aae0902eec37964143cf85cd425252a0072b.exe	31
PID 2540 wrote to memory of 2528	2540	ff487e2ea6195cc78c6c3f1d9d23aae0902eec37964143cf85cd425252a0072b.exe	31

C:\Users\Admin\AppData\Local\Temp\ff487e2ea6195cc78c6c3f1d9d23aae0902eec37964143cf85cd425252a0072b.exe
"C:\Users\Admin\AppData\Local\Temp\ff487e2ea6195cc78c6c3f1d9d23aae0902eec37964143cf85cd425252a0072b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2540
- 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\ff487e2ea6195cc78c6c3f1d9d23aae0902eec37964143cf85cd425252a0072b.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2412
- C:\Users\Admin\AppData\Local\Temp\ff487e2ea6195cc78c6c3f1d9d23aae0902eec37964143cf85cd425252a0072b.exe
  "C:\Users\Admin\AppData\Local\Temp\ff487e2ea6195cc78c6c3f1d9d23aae0902eec37964143cf85cd425252a0072b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2528

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/2528-10-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2528-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2528-25-0x0000000073B30000-0x000000007421E000-memory.dmp

Filesize
6.9MB

Download
memory/2528-20-0x0000000073B30000-0x000000007421E000-memory.dmp

Filesize
6.9MB

Download
memory/2528-21-0x0000000073B30000-0x000000007421E000-memory.dmp

Filesize
6.9MB

Download
memory/2528-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2528-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2528-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2528-12-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2528-15-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2528-17-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2540-5-0x0000000073B3E000-0x0000000073B3F000-memory.dmp

Filesize
4KB

Download
memory/2540-1-0x0000000000080000-0x000000000012A000-memory.dmp

Filesize
680KB

Download
memory/2540-7-0x0000000005310000-0x0000000005392000-memory.dmp

Filesize
520KB

Download
memory/2540-6-0x0000000073B30000-0x000000007421E000-memory.dmp

Filesize
6.9MB

Download
memory/2540-0-0x0000000073B3E000-0x0000000073B3F000-memory.dmp

Filesize
4KB

Download
memory/2540-4-0x00000000003E0000-0x00000000003F8000-memory.dmp

Filesize
96KB

Download
memory/2540-3-0x0000000004150000-0x00000000041F8000-memory.dmp

Filesize
672KB

Download
memory/2540-22-0x0000000073B30000-0x000000007421E000-memory.dmp

Filesize
6.9MB

Download
memory/2540-2-0x0000000073B30000-0x000000007421E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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