agenttesla | 7ffa5fb65cb420698a4d9f54c52bc97d5bd4ac30813c727381d3bec8d3a0e192

General

Target
TM00023211.exe
Size 25KB
Sample220523-qt3zpsdfe8
SHA256 7ffa5fb65cb420698a4d9f54c52bc97d5bd4ac30813c727381d3bec8d3a0e192
MD5 15d3eb3f38d8451339b03ec1a9f64d5c
SHA1 7b8116791803f75e07f01cd910f66e5304d37088
SHA512 157daf761585d8dbc538303f83a5623a1fb4c778089143484c22687fa90375fc65b5deb0eba77059ee2b9489e97b328f96afe1d87388a071d33dafc31d8e077a
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger persistence spyware stealer suricata trojan

Malware Config

Extracted

Family

agenttesla

C2

http://45.133.1.41/jah/inc/9f3d37faadd0a5.php

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
suricata: ET MALWARE AgentTesla Communicating with CnC Server
suricata: ET MALWARE AgentTesla Communicating with CnC Server
suricata

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	TM00023211.exe

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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TM00023211.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TM00023211.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TM00023211.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\excel = "C:\\Users\\Admin\\AppData\\Roaming\\excel\\excel.exe"	TM00023211.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3392 set thread context of 2232	3392	TM00023211.exe	89

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
220	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3392	TM00023211.exe
3392	TM00023211.exe
2232	TM00023211.exe
2232	TM00023211.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3392	TM00023211.exe
Token: SeDebugPrivilege	2232	TM00023211.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2232	TM00023211.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3392 wrote to memory of 3488	3392	TM00023211.exe	85
PID 3392 wrote to memory of 3488	3392	TM00023211.exe	85
PID 3392 wrote to memory of 3488	3392	TM00023211.exe	85
PID 3488 wrote to memory of 220	3488	cmd.exe	87
PID 3488 wrote to memory of 220	3488	cmd.exe	87
PID 3488 wrote to memory of 220	3488	cmd.exe	87
PID 3392 wrote to memory of 2232	3392	TM00023211.exe	89
PID 3392 wrote to memory of 2232	3392	TM00023211.exe	89
PID 3392 wrote to memory of 2232	3392	TM00023211.exe	89
PID 3392 wrote to memory of 2232	3392	TM00023211.exe	89
PID 3392 wrote to memory of 2232	3392	TM00023211.exe	89
PID 3392 wrote to memory of 2232	3392	TM00023211.exe	89
PID 3392 wrote to memory of 2232	3392	TM00023211.exe	89
PID 3392 wrote to memory of 2232	3392	TM00023211.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TM00023211.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TM00023211.exe

C:\Users\Admin\AppData\Local\Temp\TM00023211.exe
"C:\Users\Admin\AppData\Local\Temp\TM00023211.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3392
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout 10
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3488
- - C:\Windows\SysWOW64\timeout.exe
    timeout 10
    3⤵
    - Delays execution with timeout.exe
    PID:220
- C:\Users\Admin\AppData\Local\Temp\TM00023211.exe
  C:\Users\Admin\AppData\Local\Temp\TM00023211.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2232

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

TM00023211.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\TM00023211.exe.log
Size 847B
SHA256 38ef57aec780edd2c8dab614a85ce87351188fce5896ffebc9f69328df2056ed
MD5 f8ec7f563d06ccddddf6c96b8957e5c8
SHA1 73bdc49dcead32f8c29168645a0f080084132252
SHA512 8830821ac9edb4cdf4d8a3d7bc30433987ae4c158cf81b705654f54aaeba366c5fa3509981aceae21e193dd4483f03b9d449bc0a32545927d3ca94b0f9367684
MD5 SHA1 SHA512

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memory/2232-134-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/2232-136-0x0000000005D90000-0x0000000006334000-memory.dmp

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memory/2232-137-0x00000000057E0000-0x000000000587C000-memory.dmp

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memory/2232-138-0x0000000006480000-0x00000000064E6000-memory.dmp

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memory/2232-139-0x00000000069E0000-0x0000000006A30000-memory.dmp

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memory/2232-140-0x0000000007140000-0x00000000071D2000-memory.dmp

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memory/2232-141-0x00000000069C0000-0x00000000069CA000-memory.dmp

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memory/3392-130-0x00000000002E0000-0x00000000002EC000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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