agenttesla | 09ff4bcebea6598159b1341704093ab1ff7e2a1eecd0cdc38cb865edb5a35b62

General

Target

DEMURRAGE INVOICE.bat.exe
Size

697KB
MD5

26592310cd0668310fd082bdcbe67a34
SHA1

ec06a6a20f0c2f21d44639915d415ad010cdd74f
SHA256

09ff4bcebea6598159b1341704093ab1ff7e2a1eecd0cdc38cb865edb5a35b62
SHA512

914437329e40b531f4f9d231cba77fff5549d724ef72c2788ebac3cfd3560b17c63cbd0e2018bfdb27d3e32eb509bbf767b8a2f1aeb833fd59568b86f6a3119a
SSDEEP

12288:Gr2+Ub83qcHT4ix3dzjLx1F97kv/pg1Rac9Viwt5XHkB:MUbQ4ix3dzjLx1r7U/GWcniw5U

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5862304010:AAGELNW7Uh-qnFDDQucOIsNATlN1Btw8R-8/

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
2452	powershell.exe
2912	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 1456 set thread context of 2784	1456	DEMURRAGE INVOICE.bat.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	DEMURRAGE INVOICE.bat.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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	DEMURRAGE INVOICE.bat.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
2772	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2784	DEMURRAGE INVOICE.bat.exe
2784	DEMURRAGE INVOICE.bat.exe
2452	powershell.exe
2912	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2784	DEMURRAGE INVOICE.bat.exe
Token: SeDebugPrivilege	2452	powershell.exe
Token: SeDebugPrivilege	2912	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 2452	1456	DEMURRAGE INVOICE.bat.exe	29
PID 1456 wrote to memory of 2452	1456	DEMURRAGE INVOICE.bat.exe	29
PID 1456 wrote to memory of 2452	1456	DEMURRAGE INVOICE.bat.exe	29
PID 1456 wrote to memory of 2452	1456	DEMURRAGE INVOICE.bat.exe	29
PID 1456 wrote to memory of 2912	1456	DEMURRAGE INVOICE.bat.exe	31
PID 1456 wrote to memory of 2912	1456	DEMURRAGE INVOICE.bat.exe	31
PID 1456 wrote to memory of 2912	1456	DEMURRAGE INVOICE.bat.exe	31
PID 1456 wrote to memory of 2912	1456	DEMURRAGE INVOICE.bat.exe	31
PID 1456 wrote to memory of 2772	1456	DEMURRAGE INVOICE.bat.exe	33
PID 1456 wrote to memory of 2772	1456	DEMURRAGE INVOICE.bat.exe	33
PID 1456 wrote to memory of 2772	1456	DEMURRAGE INVOICE.bat.exe	33
PID 1456 wrote to memory of 2772	1456	DEMURRAGE INVOICE.bat.exe	33
PID 1456 wrote to memory of 2784	1456	DEMURRAGE INVOICE.bat.exe	35
PID 1456 wrote to memory of 2784	1456	DEMURRAGE INVOICE.bat.exe	35
PID 1456 wrote to memory of 2784	1456	DEMURRAGE INVOICE.bat.exe	35
PID 1456 wrote to memory of 2784	1456	DEMURRAGE INVOICE.bat.exe	35
PID 1456 wrote to memory of 2784	1456	DEMURRAGE INVOICE.bat.exe	35
PID 1456 wrote to memory of 2784	1456	DEMURRAGE INVOICE.bat.exe	35
PID 1456 wrote to memory of 2784	1456	DEMURRAGE INVOICE.bat.exe	35
PID 1456 wrote to memory of 2784	1456	DEMURRAGE INVOICE.bat.exe	35
PID 1456 wrote to memory of 2784	1456	DEMURRAGE INVOICE.bat.exe	35

C:\Users\Admin\AppData\Local\Temp\DEMURRAGE INVOICE.bat.exe
"C:\Users\Admin\AppData\Local\Temp\DEMURRAGE INVOICE.bat.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1456
- 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\DEMURRAGE INVOICE.bat.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2452
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rljoKaPjKnocuL.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2912
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rljoKaPjKnocuL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp68E1.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2772
- C:\Users\Admin\AppData\Local\Temp\DEMURRAGE INVOICE.bat.exe
  "C:\Users\Admin\AppData\Local\Temp\DEMURRAGE INVOICE.bat.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2784

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\tmp68E1.tmp

Filesize
1KB

MD5
a370f216fb98af73587bfe2b2eef9f57

SHA1
ca874ad1f17ae44bd7c402638b81ed08dc49cad5

SHA256
7255846168ed34b67b82298db20015b9a785b0dd32d8827175171a982b07e763

SHA512
03f54e5b469efeccfaed55c136a9546a4bca22281a9ff9005294514320bedeba28bfb4787baede1219c2cababcb113ef219e1f5af96dacdfa8481fa8090f0c94

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

Filesize
7KB

MD5
fc6873374970532f4e945ebae8874a16

SHA1
d1ad6ed65774b4a5b6cb869532e74128b71b54eb

SHA256
4c052f50712cf794fef95896d4a2719660872bb16ff9d006e2824cf2b2ebaa0e

SHA512
c74641c5ab687f063946658c9f5326544b842fcba2c0a32bcfcaafcb8546ab34341e26af33bccd7d822ee6057bf079ddd51a98b56806021f733ffa0e0ce42b3c

Download Submit
memory/1456-4-0x000000007456E000-0x000000007456F000-memory.dmp

Filesize
4KB

Download
memory/1456-31-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/1456-0-0x000000007456E000-0x000000007456F000-memory.dmp

Filesize
4KB

Download
memory/1456-5-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/1456-6-0x0000000005180000-0x0000000005202000-memory.dmp

Filesize
520KB

Download
memory/1456-2-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/1456-1-0x0000000000C10000-0x0000000000CC4000-memory.dmp

Filesize
720KB

Download
memory/1456-3-0x0000000000380000-0x0000000000390000-memory.dmp

Filesize
64KB

Download
memory/2784-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2784-29-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2784-28-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2784-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2784-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2784-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2784-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2784-30-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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