agenttesla | a9ad1c8db51f9e20280bab4947b9d9b47572e7c634cca0e2b121f3e7966a976d

General

Target

zamówienie Z2300056_pdf .exe
Size

16KB
MD5

ce64f7cef876c36aa4cbced9f2a479ad
SHA1

23757c26d95a52e6ce8b391e4ba0f24787042d01
SHA256

a9ad1c8db51f9e20280bab4947b9d9b47572e7c634cca0e2b121f3e7966a976d
SHA512

48080167e57b97f776c2f0d4676e3800216a38fd9bef8646b38c8b0df81980706f193b7224a6a01acf8f4e72385b0cce4d1c2add8e4dbd39bbd7f72218717913
SSDEEP

192:2fH1PkDL5mE2QYVaog6ktDOp+4Fm97R4JO:cH1PkDL5meO6tDcPkK

Score

10^/10

agenttesla purecrypter collection downloader keylogger loader spyware stealer trojan

Malware Config

Extracted

Family

purecrypter

C2

http://45.84.1.117/3477/Wgmpt.dll

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5846767138:AAHbrIUF1epdWlFQ2_64LCd8vdF121y1XGE/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
loader downloader purecrypter

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	zamówienie Z2300056_pdf .exe

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\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

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
18	api.ipify.org
17	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1716 set thread context of 3480	1716	zamówienie Z2300056_pdf .exe	86

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1712	powershell.exe
1712	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1716	zamówienie Z2300056_pdf .exe
Token: SeDebugPrivilege	1712	powershell.exe
Token: SeDebugPrivilege	3480	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 1712	1716	zamówienie Z2300056_pdf .exe	84
PID 1716 wrote to memory of 1712	1716	zamówienie Z2300056_pdf .exe	84
PID 1716 wrote to memory of 1712	1716	zamówienie Z2300056_pdf .exe	84
PID 1716 wrote to memory of 3480	1716	zamówienie Z2300056_pdf .exe	86
PID 1716 wrote to memory of 3480	1716	zamówienie Z2300056_pdf .exe	86
PID 1716 wrote to memory of 3480	1716	zamówienie Z2300056_pdf .exe	86
PID 1716 wrote to memory of 3480	1716	zamówienie Z2300056_pdf .exe	86
PID 1716 wrote to memory of 3480	1716	zamówienie Z2300056_pdf .exe	86
PID 1716 wrote to memory of 3480	1716	zamówienie Z2300056_pdf .exe	86
PID 1716 wrote to memory of 3480	1716	zamówienie Z2300056_pdf .exe	86
PID 1716 wrote to memory of 3480	1716	zamówienie Z2300056_pdf .exe	86

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	MSBuild.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	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\zamówienie Z2300056_pdf .exe
"C:\Users\Admin\AppData\Local\Temp\zamówienie Z2300056_pdf .exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMQAyAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1712
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3480

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1712-144-0x0000000006100000-0x000000000611A000-memory.dmp

Filesize
104KB

Download
memory/1712-139-0x0000000004DF0000-0x0000000005418000-memory.dmp

Filesize
6.2MB

Download
memory/1712-140-0x0000000005420000-0x0000000005486000-memory.dmp

Filesize
408KB

Download
memory/1712-143-0x0000000007480000-0x0000000007AFA000-memory.dmp

Filesize
6.5MB

Download
memory/1712-141-0x00000000055C0000-0x0000000005626000-memory.dmp

Filesize
408KB

Download
memory/1712-138-0x0000000002640000-0x0000000002676000-memory.dmp

Filesize
216KB

Download
memory/1712-142-0x0000000005C20000-0x0000000005C3E000-memory.dmp

Filesize
120KB

Download
memory/1716-136-0x0000000008240000-0x0000000008262000-memory.dmp

Filesize
136KB

Download
memory/1716-133-0x00000000055D0000-0x0000000005B74000-memory.dmp

Filesize
5.6MB

Download
memory/1716-134-0x00000000050C0000-0x0000000005152000-memory.dmp

Filesize
584KB

Download
memory/1716-135-0x00000000052D0000-0x00000000052DA000-memory.dmp

Filesize
40KB

Download
memory/1716-132-0x0000000000690000-0x000000000069A000-memory.dmp

Filesize
40KB

Download
memory/3480-146-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3480-147-0x0000000006690000-0x00000000066E0000-memory.dmp

Filesize
320KB

Download
memory/3480-148-0x00000000068B0000-0x0000000006A72000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads