agenttesla | 44b456884e9d95c9c39cdcec55e216a94d7c06a26d8e88b01afe63c705981276

General

Target

quotation.exe
Size

872KB
MD5

e516c8cddca31ccffdfd2f31582f0542
SHA1

70e133427837a92bc0d6a3c7500337857a1183e8
SHA256

8900b70182eceee4057755ba7eed7194c24af4a423e9fcbe63cc2f9aa12913a0
SHA512

4f6db3ea7ae40030474deaf93fba803a80908958a9317117d34abcfd39f51ae22a3d9d4837e56c1149593fb38ead0ec7e1313b0c6fbc72fad85b8d3ac088ac3a
SSDEEP

24576:PiCtD/F2k78MTZjI/OuM+JEJBa5eZJTF9gH+dX:Kmgk78MTZjQtuBa5eF

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.showpiece.trillennium.biz
Port:
587
Username:
[email protected]
Password:
9E&7dhd*~kx8
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

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
2760	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 3 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

Credentials from Web Browsers
T1555.003

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 2372 set thread context of 2628	2372	quotation.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 4 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	quotation.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	quotation.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
2884	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2628	quotation.exe
2628	quotation.exe
2760	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2628	quotation.exe
Token: SeDebugPrivilege	2760	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2628	quotation.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2760	2372	quotation.exe	31
PID 2372 wrote to memory of 2760	2372	quotation.exe	31
PID 2372 wrote to memory of 2760	2372	quotation.exe	31
PID 2372 wrote to memory of 2760	2372	quotation.exe	31
PID 2372 wrote to memory of 2884	2372	quotation.exe	33
PID 2372 wrote to memory of 2884	2372	quotation.exe	33
PID 2372 wrote to memory of 2884	2372	quotation.exe	33
PID 2372 wrote to memory of 2884	2372	quotation.exe	33
PID 2372 wrote to memory of 2628	2372	quotation.exe	35
PID 2372 wrote to memory of 2628	2372	quotation.exe	35
PID 2372 wrote to memory of 2628	2372	quotation.exe	35
PID 2372 wrote to memory of 2628	2372	quotation.exe	35
PID 2372 wrote to memory of 2628	2372	quotation.exe	35
PID 2372 wrote to memory of 2628	2372	quotation.exe	35
PID 2372 wrote to memory of 2628	2372	quotation.exe	35
PID 2372 wrote to memory of 2628	2372	quotation.exe	35
PID 2372 wrote to memory of 2628	2372	quotation.exe	35

C:\Users\Admin\AppData\Local\Temp\quotation.exe
"C:\Users\Admin\AppData\Local\Temp\quotation.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QrUcLYvywt.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2760
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QrUcLYvywt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp58C.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2884
- C:\Users\Admin\AppData\Local\Temp\quotation.exe
  "C:\Users\Admin\AppData\Local\Temp\quotation.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2628

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp58C.tmp

Filesize
1KB

MD5
e9a7aab616ecbb6b0066e60ad3e84972

SHA1
2f7a1a4ce274d0dc923b595c6464a5b44bfa1522

SHA256
e368ee3c7fe060af47823c715773e0255a6a2683aea6b43c280764302314d6c4

SHA512
295be3d4080d07a796d16daad3d268dc12bf2d53bca1fc027723cd936f007c7f9d4ed498f03579d9652ac2f1dff77425fef206911e40f57f23c36fb84a4b38c4

Download Submit
memory/2372-8-0x0000000000440000-0x00000000004BA000-memory.dmp

Filesize
488KB

Download
memory/2372-3-0x0000000000520000-0x0000000000538000-memory.dmp

Filesize
96KB

Download
memory/2372-1-0x0000000000C40000-0x0000000000D20000-memory.dmp

Filesize
896KB

Download
memory/2372-29-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2372-5-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/2372-6-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2372-7-0x0000000000590000-0x000000000059A000-memory.dmp

Filesize
40KB

Download
memory/2372-0-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/2372-4-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/2372-2-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2628-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2628-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2628-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2628-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2628-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2628-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2628-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2628-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads