agenttesla | 5755187833a76cd84a087120b27a0adf0a5813a7b5f2dab0d416d7c6e7112991

General

Target

5755187833a76cd84a087120b27a0adf0a5813a7b5f2dab0d416d7c6e7112991.exe
Size

204KB
MD5

3ee9dd6af48b1e41ea541ddc7a754e9b
SHA1

6794a62c69b7f3f280427a941ce830ad38f26929
SHA256

5755187833a76cd84a087120b27a0adf0a5813a7b5f2dab0d416d7c6e7112991
SHA512

2e329a900fc0a8cda9f285c2391abe0c0d808f30a3d59ff50564d13d67a807923385a67892c6ab1b3688f58b79368e18e7aa457698f35b4a49d408a8d23f848e
SSDEEP

3072:p6eKva6to2btX+JYi7XapPuaQMjH1arBNYKTsDhsrk8PIZzzb:Qa6SmtX0XapPTj8+9j

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6125345128:AAELaNDC6VdQQywdvqd5w8Ps_ZT19OAINe8/

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-1-5-21-2548970870-3691742953-3895070203-1000\Control Panel\International\Geo\Nation	5755187833a76cd84a087120b27a0adf0a5813a7b5f2dab0d416d7c6e7112991.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FJzgD = "C:\\Users\\Admin\\AppData\\Roaming\\FJzgD\\FJzgD.exe"	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
29	api.ipify.org
30	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4472 set thread context of 4576	4472	5755187833a76cd84a087120b27a0adf0a5813a7b5f2dab0d416d7c6e7112991.exe	87

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
640	powershell.exe
640	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4472	5755187833a76cd84a087120b27a0adf0a5813a7b5f2dab0d416d7c6e7112991.exe
Token: SeDebugPrivilege	640	powershell.exe
Token: SeDebugPrivilege	4576	MSBuild.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4576	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4472 wrote to memory of 640	4472	5755187833a76cd84a087120b27a0adf0a5813a7b5f2dab0d416d7c6e7112991.exe	82
PID 4472 wrote to memory of 640	4472	5755187833a76cd84a087120b27a0adf0a5813a7b5f2dab0d416d7c6e7112991.exe	82
PID 4472 wrote to memory of 640	4472	5755187833a76cd84a087120b27a0adf0a5813a7b5f2dab0d416d7c6e7112991.exe	82
PID 4472 wrote to memory of 4576	4472	5755187833a76cd84a087120b27a0adf0a5813a7b5f2dab0d416d7c6e7112991.exe	87
PID 4472 wrote to memory of 4576	4472	5755187833a76cd84a087120b27a0adf0a5813a7b5f2dab0d416d7c6e7112991.exe	87
PID 4472 wrote to memory of 4576	4472	5755187833a76cd84a087120b27a0adf0a5813a7b5f2dab0d416d7c6e7112991.exe	87
PID 4472 wrote to memory of 4576	4472	5755187833a76cd84a087120b27a0adf0a5813a7b5f2dab0d416d7c6e7112991.exe	87
PID 4472 wrote to memory of 4576	4472	5755187833a76cd84a087120b27a0adf0a5813a7b5f2dab0d416d7c6e7112991.exe	87
PID 4472 wrote to memory of 4576	4472	5755187833a76cd84a087120b27a0adf0a5813a7b5f2dab0d416d7c6e7112991.exe	87
PID 4472 wrote to memory of 4576	4472	5755187833a76cd84a087120b27a0adf0a5813a7b5f2dab0d416d7c6e7112991.exe	87
PID 4472 wrote to memory of 4576	4472	5755187833a76cd84a087120b27a0adf0a5813a7b5f2dab0d416d7c6e7112991.exe	87

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\5755187833a76cd84a087120b27a0adf0a5813a7b5f2dab0d416d7c6e7112991.exe
"C:\Users\Admin\AppData\Local\Temp\5755187833a76cd84a087120b27a0adf0a5813a7b5f2dab0d416d7c6e7112991.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4472
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:640
- 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
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:4576

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

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_twnen0fo.gnn.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/640-153-0x0000000007C10000-0x000000000828A000-memory.dmp

Filesize
6.5MB

Download
memory/640-151-0x00000000065C0000-0x00000000065DE000-memory.dmp

Filesize
120KB

Download
memory/640-136-0x0000000002FC0000-0x0000000002FF6000-memory.dmp

Filesize
216KB

Download
memory/640-137-0x0000000005800000-0x0000000005E28000-memory.dmp

Filesize
6.2MB

Download
memory/640-138-0x00000000051C0000-0x00000000051D0000-memory.dmp

Filesize
64KB

Download
memory/640-139-0x00000000051C0000-0x00000000051D0000-memory.dmp

Filesize
64KB

Download
memory/640-140-0x0000000005E30000-0x0000000005E96000-memory.dmp

Filesize
408KB

Download
memory/640-141-0x0000000005F50000-0x0000000005FB6000-memory.dmp

Filesize
408KB

Download
memory/640-158-0x00000000051C0000-0x00000000051D0000-memory.dmp

Filesize
64KB

Download
memory/640-156-0x00000000051C0000-0x00000000051D0000-memory.dmp

Filesize
64KB

Download
memory/640-152-0x00000000051C0000-0x00000000051D0000-memory.dmp

Filesize
64KB

Download
memory/640-157-0x00000000051C0000-0x00000000051D0000-memory.dmp

Filesize
64KB

Download
memory/640-154-0x0000000006AC0000-0x0000000006ADA000-memory.dmp

Filesize
104KB

Download
memory/4472-135-0x0000000007AF0000-0x0000000007B12000-memory.dmp

Filesize
136KB

Download
memory/4472-155-0x0000000005610000-0x0000000005620000-memory.dmp

Filesize
64KB

Download
memory/4472-133-0x0000000000D00000-0x0000000000D3A000-memory.dmp

Filesize
232KB

Download
memory/4472-134-0x0000000005610000-0x0000000005620000-memory.dmp

Filesize
64KB

Download
memory/4576-171-0x00000000068D0000-0x0000000006920000-memory.dmp

Filesize
320KB

Download
memory/4576-163-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4576-166-0x0000000004EF0000-0x0000000004F00000-memory.dmp

Filesize
64KB

Download
memory/4576-169-0x0000000006650000-0x00000000066E2000-memory.dmp

Filesize
584KB

Download
memory/4576-170-0x0000000006830000-0x000000000683A000-memory.dmp

Filesize
40KB

Download
memory/4576-165-0x0000000005390000-0x0000000005934000-memory.dmp

Filesize
5.6MB

Download
memory/4576-172-0x0000000006AF0000-0x0000000006CB2000-memory.dmp

Filesize
1.8MB

Download
memory/4576-179-0x00000000069C0000-0x0000000006A5C000-memory.dmp

Filesize
624KB

Download
memory/4576-180-0x0000000004EF0000-0x0000000004F00000-memory.dmp

Filesize
64KB

Download

Analysis

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