agenttesla | 05da915207fe2b7a54f238fee7828d3cf0cc0db0f0de7993b9ddafdf9077f3bb

Analysis

max time kernel
141s
max time network
115s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 15:50

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General

Target

3c783827c751d8155644f546b2d6b5306a2520fff907a962a669f3f86cf5c9fe.exe
Size

213KB
MD5

19711c7b13e7717d3e225bb8cf87a6eb
SHA1

eefec05b24b941ae4b0d24c3ae2f1c394aeee63c
SHA256

3c783827c751d8155644f546b2d6b5306a2520fff907a962a669f3f86cf5c9fe
SHA512

0486b2a6ccef06fd49961c3b105d2587e85df9cabc061fb23b4b8fabad6810245571f9948c824d960807f1d590abee8ac8c86d3404e2c2893d9b4ef6388d1040
SSDEEP

3072:WfJSq+ytGIon9KcSMiTPLqS5G7cLX+B61j/Ly3AtdwEDdlmcXbCdnXUCNlAYgVOM:MEa0NiT1DqKCWd7hMcX8kvUAwWiK

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan upx

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.amssealing.com
Port:
587
Username:
[email protected]
Password:
ams@123%2029$

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
agenttesla

Executes dropped EXE 2 IoCs

pid	Process
2096	araew.exe
1916	araew.exe

Loads dropped DLL 2 IoCs

pid	Process
2100	3c783827c751d8155644f546b2d6b5306a2520fff907a962a669f3f86cf5c9fe.exe
2096	araew.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	araew.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	araew.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	araew.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\bskdop = "C:\\Users\\Admin\\AppData\\Roaming\\qseiuf\\trhllwhnovvfg.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\araew.exe\""	araew.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\QJDTRM = "C:\\Users\\Admin\\AppData\\Roaming\\QJDTRM\\QJDTRM.exe"	araew.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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2096 set thread context of 1916	2096	araew.exe	31

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1916-19-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1916-18-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1916-17-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1916-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1916-20-0x0000000000400000-0x0000000000452000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3c783827c751d8155644f546b2d6b5306a2520fff907a962a669f3f86cf5c9fe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	araew.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	araew.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1916	araew.exe
1916	araew.exe
1916	araew.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2096	araew.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1916	araew.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1916	araew.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2096	2100	3c783827c751d8155644f546b2d6b5306a2520fff907a962a669f3f86cf5c9fe.exe	30
PID 2100 wrote to memory of 2096	2100	3c783827c751d8155644f546b2d6b5306a2520fff907a962a669f3f86cf5c9fe.exe	30
PID 2100 wrote to memory of 2096	2100	3c783827c751d8155644f546b2d6b5306a2520fff907a962a669f3f86cf5c9fe.exe	30
PID 2100 wrote to memory of 2096	2100	3c783827c751d8155644f546b2d6b5306a2520fff907a962a669f3f86cf5c9fe.exe	30
PID 2096 wrote to memory of 1916	2096	araew.exe	31
PID 2096 wrote to memory of 1916	2096	araew.exe	31
PID 2096 wrote to memory of 1916	2096	araew.exe	31
PID 2096 wrote to memory of 1916	2096	araew.exe	31
PID 2096 wrote to memory of 1916	2096	araew.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	araew.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	araew.exe

C:\Users\Admin\AppData\Local\Temp\3c783827c751d8155644f546b2d6b5306a2520fff907a962a669f3f86cf5c9fe.exe
"C:\Users\Admin\AppData\Local\Temp\3c783827c751d8155644f546b2d6b5306a2520fff907a962a669f3f86cf5c9fe.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Users\Admin\AppData\Local\Temp\araew.exe
  "C:\Users\Admin\AppData\Local\Temp\araew.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2096
- - C:\Users\Admin\AppData\Local\Temp\araew.exe
    "C:\Users\Admin\AppData\Local\Temp\araew.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - outlook_office_path
    - outlook_win_path
    PID:1916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\etnvupj.xe

Filesize
134KB

MD5
63ec82480dc2e920bf8501af8f15c0e2

SHA1
0c9811a0d78963fccf0ac0296fcc1abcf8cc56ad

SHA256
6c0b8384374c461bc6601cc3eca2d2fa5e50c34531a27f7219384fab2a69bf01

SHA512
fd25a005f179de245df74b2be282283ac3e59e7fe8a4d330ea8930a982ca4366663eaaf25c155617e96d64f9ba82c83250f2233756e197b7f04c6b154633b7df

Download Submit
C:\Users\Admin\AppData\Local\Temp\pjlje.e

Filesize
7KB

MD5
62cd8461b79cb1ad9c1b5b2965f3cf87

SHA1
291b8893012f284662a2c907eee495354faee8bb

SHA256
4931e459e3d6d89790f718dafbc92c63bbef6cc67911fffd4aa8aa7c2dcdb24d

SHA512
1b3da3bd9a16d2cb3798fc9aa463b9b5c62c00485e4539f98c286cf6f4ae0902abcdc782e4818036d233127bfd39c89e2b44e0e6b3fe4ecc3d66386385c22728

Download Submit
\Users\Admin\AppData\Local\Temp\araew.exe

Filesize
69KB

MD5
77bd81274a2c432284179bea00ea29c6

SHA1
92d5d6b2bcc4b5e9903105d3593c1eb83f8c0edd

SHA256
ea51a0a70ba6dd2f1b40c97fe8df313b9b7b0f49f172e3e925416c88049620af

SHA512
a26d004bbe48d9c8cf6bdb95ef801a07ff431c8bbdbfcbc0b7b4458e4ba42c82be1945291cc180d2ef4fbe54cc07dbe7678fdf43be61fa2e09cfecf327decf54

Download Submit
memory/1916-19-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1916-18-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1916-17-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1916-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1916-20-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1916-21-0x00000000007E0000-0x000000000081C000-memory.dmp

Filesize
240KB

Download
memory/2096-8-0x0000000000230000-0x0000000000232000-memory.dmp

Filesize
8KB

Download