agenttesla | acb576edbe932e77bedba1dcbd7cbf32cad8ff85bd206cfb1957a8733b5b3385

General

Target

Purchase order.exe
Size

748KB
MD5

cb79dcc14ef80b76b3232932f13fcb28
SHA1

615f3aacb6c2577dd39c33e0d7839fdde1c42306
SHA256

acb576edbe932e77bedba1dcbd7cbf32cad8ff85bd206cfb1957a8733b5b3385
SHA512

943c06fa4372c1e1cf2c2dc60967aa83244b850cf0076b88d9384f75d81d108140337d1474196f0299056108fe20e650838130b346ce512b8cde1c310e429404
SSDEEP

12288:DxbI2iNPGm2jZbaMDxSmiPIPexKi5ADqjJ5nC:e19Z2VbaMDPiP8/sjrC

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Signatures

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

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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	Purchase order.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-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4252 set thread context of 1756	4252	Purchase order.exe	88

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1828	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4252	Purchase order.exe
1756	Purchase order.exe
1756	Purchase order.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4252	Purchase order.exe
Token: SeDebugPrivilege	1756	Purchase order.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4252 wrote to memory of 1828	4252	Purchase order.exe	86
PID 4252 wrote to memory of 1828	4252	Purchase order.exe	86
PID 4252 wrote to memory of 1828	4252	Purchase order.exe	86
PID 4252 wrote to memory of 1756	4252	Purchase order.exe	88
PID 4252 wrote to memory of 1756	4252	Purchase order.exe	88
PID 4252 wrote to memory of 1756	4252	Purchase order.exe	88
PID 4252 wrote to memory of 1756	4252	Purchase order.exe	88
PID 4252 wrote to memory of 1756	4252	Purchase order.exe	88
PID 4252 wrote to memory of 1756	4252	Purchase order.exe	88
PID 4252 wrote to memory of 1756	4252	Purchase order.exe	88
PID 4252 wrote to memory of 1756	4252	Purchase order.exe	88

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase order.exe

C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4252
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IdsJsAXg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp75A8.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1828
- C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1756

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

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

C:\Users\Admin\AppData\Local\Temp\tmp75A8.tmp

Filesize
1KB

MD5
c13a81ecd666c61fb5cccdef80b08abf

SHA1
eba3eea1e36dfb9719dc3a2329f02acd4b46dbbd

SHA256
d035ee2432bf5f00e97a7fe6f9be2a8d289fa202fdd5e9be3e6223e2d44f00e9

SHA512
f818a20942c08811be6638df26a6b797d3b0390e4224304ea549d4d5102588ef99db98c1568bd664fdda9f1ea0afcb16a4e9dd5bfe1780513bea05de85f7fb19

Download Submit
memory/1756-140-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1756-141-0x00000000061A0000-0x0000000006206000-memory.dmp

Filesize
408KB

Download
memory/1756-142-0x0000000006790000-0x00000000067E0000-memory.dmp

Filesize
320KB

Download
memory/4252-132-0x0000000000AA0000-0x0000000000B60000-memory.dmp

Filesize
768KB

Download
memory/4252-133-0x0000000005A10000-0x0000000005FB4000-memory.dmp

Filesize
5.6MB

Download
memory/4252-134-0x0000000005500000-0x0000000005592000-memory.dmp

Filesize
584KB

Download
memory/4252-135-0x0000000005640000-0x00000000056DC000-memory.dmp

Filesize
624KB

Download
memory/4252-136-0x00000000055E0000-0x00000000055EA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads