agenttesla | 61e98fdec62174e25d2155d23ef4737c991605086bb6be1458824ea661ed4bcf

General

Target

8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.exe
Size

780KB
MD5

867f3356aa9b610025c903e669695dfa
SHA1

82358cfdaad5a6b7ddb161f8092cf9064f72a002
SHA256

8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9
SHA512

e36236778395f352de7ff721b7f6eaa994c6169cea95a664c1c6dcbdfdfd92d4af3d5cde152abcc0d38f037c9859f992f27bd774c59c80280d7306b48591f014
SSDEEP

12288:iqTQOM8aRnyOIh+KciczIcc/STI0mI0zfBe66+47o7Oh+8GFWu:59JafCczjc6j0z8zdcZ

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.ungaplc.com
Port:
587
Username:
[email protected]
Password:
Maco@2022@
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.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-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TKQShz = "C:\\Users\\Admin\\AppData\\Roaming\\TKQShz\\TKQShz.exe"	8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.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
34	api.ipify.org
35	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2244 set thread context of 4352	2244	8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.exe	93

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4352	8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4352	8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 4352	2244	8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.exe	93
PID 2244 wrote to memory of 4352	2244	8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.exe	93
PID 2244 wrote to memory of 4352	2244	8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.exe	93
PID 2244 wrote to memory of 4352	2244	8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.exe	93
PID 2244 wrote to memory of 4352	2244	8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.exe	93
PID 2244 wrote to memory of 4352	2244	8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.exe	93
PID 2244 wrote to memory of 4352	2244	8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.exe	93
PID 2244 wrote to memory of 4352	2244	8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.exe

C:\Users\Admin\AppData\Local\Temp\8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.exe
"C:\Users\Admin\AppData\Local\Temp\8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Users\Admin\AppData\Local\Temp\8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.exe
  "C:\Users\Admin\AppData\Local\Temp\8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.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:4352

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

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8ab437ed1b348f24d6a58965cdc27a3e23cfc82fef4456bd3623f739abf196a9.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2244-139-0x0000000006930000-0x00000000069CC000-memory.dmp

Filesize
624KB

Download
memory/2244-135-0x0000000004FD0000-0x0000000005062000-memory.dmp

Filesize
584KB

Download
memory/2244-136-0x00000000051C0000-0x00000000051D0000-memory.dmp

Filesize
64KB

Download
memory/2244-137-0x0000000005090000-0x000000000509A000-memory.dmp

Filesize
40KB

Download
memory/2244-138-0x00000000051C0000-0x00000000051D0000-memory.dmp

Filesize
64KB

Download
memory/2244-133-0x0000000000560000-0x000000000062A000-memory.dmp

Filesize
808KB

Download
memory/2244-134-0x0000000005690000-0x0000000005C34000-memory.dmp

Filesize
5.6MB

Download
memory/4352-140-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4352-143-0x0000000005600000-0x0000000005666000-memory.dmp

Filesize
408KB

Download
memory/4352-144-0x00000000057D0000-0x00000000057E0000-memory.dmp

Filesize
64KB

Download
memory/4352-147-0x0000000007290000-0x00000000072E0000-memory.dmp

Filesize
320KB

Download
memory/4352-148-0x00000000075D0000-0x0000000007792000-memory.dmp

Filesize
1.8MB

Download
memory/4352-149-0x00000000057D0000-0x00000000057E0000-memory.dmp

Filesize
64KB

Download

Analysis

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