agenttesla | 0e927f55a7c2a42a6658580dacd710852f9ffd82eb55a128c1c9e32d0fb102d2

General

Target

PO-35136475.exe
Size

9KB
MD5

f0c566f1c2750026e0c200eacd0474ee
SHA1

81864390eeb391db6298445ec87ee2e7284386a2
SHA256

0e927f55a7c2a42a6658580dacd710852f9ffd82eb55a128c1c9e32d0fb102d2
SHA512

0bb02632b50bafcbe815448d68f82e42e74476c2a9c6367155af75d5b3b9daa9ebfba748fd8459da97ec0bf9ab086a7ca9763db4f4dc2b33704d00452a178806
SSDEEP

96:p10+ShH6dKR1tmz+vmjjiCo4ym3WNtW1jYcFoNVcz1W4oKYMsLYUa:T0h3tmzEWjiphm8stYcFmVc03KY

Score

10^/10

agenttesla collection keylogger persistence 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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	PO-35136475.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Vkjjxgihl = "\"C:\\Users\\Admin\\AppData\\Roaming\\Gszwbx\\Vkjjxgihl.exe\""	PO-35136475.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
37	api.ipify.org
38	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5008 set thread context of 2076	5008	PO-35136475.exe	92

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 9 IoCs

pid	Process
2340	powershell.exe
2340	powershell.exe
5008	PO-35136475.exe
5008	PO-35136475.exe
5008	PO-35136475.exe
5008	PO-35136475.exe
2076	MSBuild.exe
2076	MSBuild.exe
2076	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5008	PO-35136475.exe
Token: SeDebugPrivilege	2340	powershell.exe
Token: SeDebugPrivilege	2076	MSBuild.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 5008 wrote to memory of 2340	5008	PO-35136475.exe	82
PID 5008 wrote to memory of 2340	5008	PO-35136475.exe	82
PID 5008 wrote to memory of 2340	5008	PO-35136475.exe	82
PID 5008 wrote to memory of 4840	5008	PO-35136475.exe	90
PID 5008 wrote to memory of 4840	5008	PO-35136475.exe	90
PID 5008 wrote to memory of 4840	5008	PO-35136475.exe	90
PID 5008 wrote to memory of 2412	5008	PO-35136475.exe	91
PID 5008 wrote to memory of 2412	5008	PO-35136475.exe	91
PID 5008 wrote to memory of 2412	5008	PO-35136475.exe	91
PID 5008 wrote to memory of 2076	5008	PO-35136475.exe	92
PID 5008 wrote to memory of 2076	5008	PO-35136475.exe	92
PID 5008 wrote to memory of 2076	5008	PO-35136475.exe	92
PID 5008 wrote to memory of 2076	5008	PO-35136475.exe	92
PID 5008 wrote to memory of 2076	5008	PO-35136475.exe	92
PID 5008 wrote to memory of 2076	5008	PO-35136475.exe	92
PID 5008 wrote to memory of 2076	5008	PO-35136475.exe	92
PID 5008 wrote to memory of 2076	5008	PO-35136475.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\PO-35136475.exe
"C:\Users\Admin\AppData\Local\Temp\PO-35136475.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5008
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQA2AA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2340
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  PID:4840
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  PID:2412
- 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 behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2076

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

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2076-145-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2076-150-0x00000000066F0000-0x00000000066FA000-memory.dmp

Filesize
40KB

Download
memory/2076-149-0x0000000006760000-0x00000000067F2000-memory.dmp

Filesize
584KB

Download
memory/2076-148-0x00000000063E0000-0x0000000006430000-memory.dmp

Filesize
320KB

Download
memory/2076-147-0x0000000004EA0000-0x0000000004F3C000-memory.dmp

Filesize
624KB

Download
memory/2076-146-0x0000000005560000-0x0000000005B04000-memory.dmp

Filesize
5.6MB

Download
memory/2340-136-0x0000000005AC0000-0x00000000060E8000-memory.dmp

Filesize
6.2MB

Download
memory/2340-140-0x0000000008140000-0x00000000087BA000-memory.dmp

Filesize
6.5MB

Download
memory/2340-141-0x0000000006DE0000-0x0000000006DFA000-memory.dmp

Filesize
104KB

Download
memory/2340-139-0x00000000068E0000-0x00000000068FE000-memory.dmp

Filesize
120KB

Download
memory/2340-138-0x00000000062A0000-0x0000000006306000-memory.dmp

Filesize
408KB

Download
memory/2340-137-0x00000000059C0000-0x0000000005A26000-memory.dmp

Filesize
408KB

Download
memory/2340-135-0x0000000005310000-0x0000000005346000-memory.dmp

Filesize
216KB

Download
memory/5008-132-0x0000000000860000-0x0000000000868000-memory.dmp

Filesize
32KB

Download
memory/5008-133-0x00000000070E0000-0x0000000007102000-memory.dmp

Filesize
136KB

Download

Analysis

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