agenttesla | cac9b707c1b59a68dd03c54b19fac7468d4b7cb0bc747d1240b6be6787ca965f

General

Target

PO-070723-WA0002.exe
Size

535KB
MD5

7a39030f239ad1ff855d3e6545bdeeed
SHA1

857ede833d4e4ddf5491d6a5098ec4b685162506
SHA256

cac9b707c1b59a68dd03c54b19fac7468d4b7cb0bc747d1240b6be6787ca965f
SHA512

d8f4127184c9e010da7aa7ac1638a5481952807350aaa845caf90acd17a589131b4b3bdc3fa38de3abacb17806b7f902e5e907a07621d062eccc61fac2fecc66
SSDEEP

12288:0PZ6Vt2iMZLFUt65pScNar+PHGoSuNe0cpGaIZVG2O2:0PAVwJ7EGar+PmmN+PUVG2O2

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.arabjancontainers.com
Port:
587
Username:
[email protected]
Password:
Q$ocTRx8
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-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-070723-WA0002.exe
Key opened	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-070723-WA0002.exe
Key opened	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-070723-WA0002.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
16	api.ipify.org
17	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2180 set thread context of 816	2180	PO-070723-WA0002.exe	87

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
816	PO-070723-WA0002.exe
816	PO-070723-WA0002.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	816	PO-070723-WA0002.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
816	PO-070723-WA0002.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 816	2180	PO-070723-WA0002.exe	87
PID 2180 wrote to memory of 816	2180	PO-070723-WA0002.exe	87
PID 2180 wrote to memory of 816	2180	PO-070723-WA0002.exe	87
PID 2180 wrote to memory of 816	2180	PO-070723-WA0002.exe	87
PID 2180 wrote to memory of 816	2180	PO-070723-WA0002.exe	87
PID 2180 wrote to memory of 816	2180	PO-070723-WA0002.exe	87
PID 2180 wrote to memory of 816	2180	PO-070723-WA0002.exe	87
PID 2180 wrote to memory of 816	2180	PO-070723-WA0002.exe	87

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-070723-WA0002.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-070723-WA0002.exe

C:\Users\Admin\AppData\Local\Temp\PO-070723-WA0002.exe
"C:\Users\Admin\AppData\Local\Temp\PO-070723-WA0002.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Users\Admin\AppData\Local\Temp\PO-070723-WA0002.exe
  "C:\Users\Admin\AppData\Local\Temp\PO-070723-WA0002.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:816

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO-070723-WA0002.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/816-140-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/816-147-0x0000000005880000-0x0000000005890000-memory.dmp

Filesize
64KB

Download
memory/816-146-0x0000000006F30000-0x00000000070F2000-memory.dmp

Filesize
1.8MB

Download
memory/816-145-0x0000000006D10000-0x0000000006D60000-memory.dmp

Filesize
320KB

Download
memory/816-144-0x0000000005880000-0x0000000005890000-memory.dmp

Filesize
64KB

Download
memory/816-143-0x0000000005690000-0x00000000056F6000-memory.dmp

Filesize
408KB

Download
memory/2180-136-0x0000000004B60000-0x0000000004B70000-memory.dmp

Filesize
64KB

Download
memory/2180-139-0x0000000008860000-0x00000000088FC000-memory.dmp

Filesize
624KB

Download
memory/2180-138-0x0000000004B60000-0x0000000004B70000-memory.dmp

Filesize
64KB

Download
memory/2180-137-0x0000000004AE0000-0x0000000004AEA000-memory.dmp

Filesize
40KB

Download
memory/2180-133-0x0000000000010000-0x000000000009C000-memory.dmp

Filesize
560KB

Download
memory/2180-135-0x0000000004A40000-0x0000000004AD2000-memory.dmp

Filesize
584KB

Download
memory/2180-134-0x0000000004F10000-0x00000000054B4000-memory.dmp

Filesize
5.6MB

Download

Analysis

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