agenttesla | f591f3b46cc1844550906abe587a1d82b96b37bac5621c1937ab8b0552258417

General

Target

a95f9a75b4460b7983279a879c9ec0f9.exe
Size

620KB
MD5

a95f9a75b4460b7983279a879c9ec0f9
SHA1

b2d50a2baca82a5a900a0cdc83921ee33ec5f558
SHA256

f591f3b46cc1844550906abe587a1d82b96b37bac5621c1937ab8b0552258417
SHA512

6217a9a46537df1afb6f837818f4a5a49abaf08cd1310810e3683ef5bbe141b65ff83f82d2142f30f3fa95bce2dcd96e788dd82451f0d144090ed4cb7dee825f
SSDEEP

12288:0PYPfY7NWu5uZY6rmFpXUhNUSKpOILx6Peo:0PYPgwuKYtwUfO0x6Pe

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.kingdomofmiso.com
Port:
587
Username:
[email protected]
Password:
nrU*QuBIa6HR
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-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a95f9a75b4460b7983279a879c9ec0f9.exe
Key opened	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a95f9a75b4460b7983279a879c9ec0f9.exe
Key opened	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a95f9a75b4460b7983279a879c9ec0f9.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
56	api.ipify.org
57	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4516 set thread context of 5004	4516	a95f9a75b4460b7983279a879c9ec0f9.exe	99

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5004	a95f9a75b4460b7983279a879c9ec0f9.exe
5004	a95f9a75b4460b7983279a879c9ec0f9.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5004	a95f9a75b4460b7983279a879c9ec0f9.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5004	a95f9a75b4460b7983279a879c9ec0f9.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4516 wrote to memory of 5004	4516	a95f9a75b4460b7983279a879c9ec0f9.exe	99
PID 4516 wrote to memory of 5004	4516	a95f9a75b4460b7983279a879c9ec0f9.exe	99
PID 4516 wrote to memory of 5004	4516	a95f9a75b4460b7983279a879c9ec0f9.exe	99
PID 4516 wrote to memory of 5004	4516	a95f9a75b4460b7983279a879c9ec0f9.exe	99
PID 4516 wrote to memory of 5004	4516	a95f9a75b4460b7983279a879c9ec0f9.exe	99
PID 4516 wrote to memory of 5004	4516	a95f9a75b4460b7983279a879c9ec0f9.exe	99
PID 4516 wrote to memory of 5004	4516	a95f9a75b4460b7983279a879c9ec0f9.exe	99
PID 4516 wrote to memory of 5004	4516	a95f9a75b4460b7983279a879c9ec0f9.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a95f9a75b4460b7983279a879c9ec0f9.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1420546310-613437930-2990200354-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a95f9a75b4460b7983279a879c9ec0f9.exe

C:\Users\Admin\AppData\Local\Temp\a95f9a75b4460b7983279a879c9ec0f9.exe
"C:\Users\Admin\AppData\Local\Temp\a95f9a75b4460b7983279a879c9ec0f9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4516
- C:\Users\Admin\AppData\Local\Temp\a95f9a75b4460b7983279a879c9ec0f9.exe
  "C:\Users\Admin\AppData\Local\Temp\a95f9a75b4460b7983279a879c9ec0f9.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:5004

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a95f9a75b4460b7983279a879c9ec0f9.exe.log

Filesize
1KB

MD5
765cff098b629b1eb49e3ef981f7001a

SHA1
32b7ade1f746d013371141dcebd96e0bb3faeef3

SHA256
ee17be860e129795491b4be61f5ac446b16f2679e056114024ffc72b2e23a9b7

SHA512
ca2d2ddafc2dcbeab2c93f039bdbc567d4c9e0457e741e71c432b7461a1a8165891f22112ff1b57004ba51271899555fbf001db17d2dc748bafc608817bd9474

Download Submit
memory/4516-141-0x00000000051C0000-0x00000000051D0000-memory.dmp

Filesize
64KB

Download
memory/4516-136-0x0000000005210000-0x00000000052A2000-memory.dmp

Filesize
584KB

Download
memory/4516-142-0x0000000009240000-0x00000000092DC000-memory.dmp

Filesize
624KB

Download
memory/4516-134-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/4516-138-0x00000000051D0000-0x00000000051DA000-memory.dmp

Filesize
40KB

Download
memory/4516-139-0x0000000005CD0000-0x0000000005E76000-memory.dmp

Filesize
1.6MB

Download
memory/4516-140-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/4516-133-0x0000000000860000-0x0000000000900000-memory.dmp

Filesize
640KB

Download
memory/4516-147-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/4516-135-0x0000000005720000-0x0000000005CC4000-memory.dmp

Filesize
5.6MB

Download
memory/4516-137-0x00000000051C0000-0x00000000051D0000-memory.dmp

Filesize
64KB

Download
memory/5004-146-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/5004-152-0x0000000074580000-0x0000000074D30000-memory.dmp

Filesize
7.7MB

Download
memory/5004-148-0x00000000055F0000-0x0000000005600000-memory.dmp

Filesize
64KB

Download
memory/5004-149-0x00000000054D0000-0x0000000005536000-memory.dmp

Filesize
408KB

Download
memory/5004-150-0x0000000006B60000-0x0000000006BB0000-memory.dmp

Filesize
320KB

Download
memory/5004-151-0x0000000006D80000-0x0000000006F42000-memory.dmp

Filesize
1.8MB

Download
memory/5004-143-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing