agenttesla | f388b5e3cf8b41bf483a00dcd8d53cc02c298ec970510f68190e33992b184440

General

Target

Enq.exe
Size

787KB
MD5

6ed649d0c104c49ca0860b86268ade72
SHA1

1070fde85bf28fdeb33255f257f8097b0d7bbfee
SHA256

f388b5e3cf8b41bf483a00dcd8d53cc02c298ec970510f68190e33992b184440
SHA512

fe5b7b32b1ddf5dd855679f16953e73cd955c08841df6663ecaf044e1fd212413015ff4ff23cc9633b99706cf1d8d414f22af427eadb5fd4612e56609aefa789
SSDEEP

12288:Um6Fhabqd0fHIEaRpU33i2/ku1a1o+ieILBN8e8WmbaCVLw7zW0uyF32g5mKI1bf:URt0cRpUHdHBNX2aaw7zjwgOJ

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
General1248@1
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-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enq.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enq.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enq.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 1128 set thread context of 3936	1128	Enq.exe	92

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3936	Enq.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3936	Enq.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1128 wrote to memory of 3936	1128	Enq.exe	92
PID 1128 wrote to memory of 3936	1128	Enq.exe	92
PID 1128 wrote to memory of 3936	1128	Enq.exe	92
PID 1128 wrote to memory of 3936	1128	Enq.exe	92
PID 1128 wrote to memory of 3936	1128	Enq.exe	92
PID 1128 wrote to memory of 3936	1128	Enq.exe	92
PID 1128 wrote to memory of 3936	1128	Enq.exe	92
PID 1128 wrote to memory of 3936	1128	Enq.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enq.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enq.exe

C:\Users\Admin\AppData\Local\Temp\Enq.exe
"C:\Users\Admin\AppData\Local\Temp\Enq.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1128
- C:\Users\Admin\AppData\Local\Temp\Enq.exe
  "C:\Users\Admin\AppData\Local\Temp\Enq.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:3936

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\Enq.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1128-139-0x0000000008020000-0x00000000080BC000-memory.dmp

Filesize
624KB

Download
memory/1128-135-0x0000000004B60000-0x0000000004BF2000-memory.dmp

Filesize
584KB

Download
memory/1128-136-0x0000000004CE0000-0x0000000004CF0000-memory.dmp

Filesize
64KB

Download
memory/1128-137-0x0000000004B30000-0x0000000004B3A000-memory.dmp

Filesize
40KB

Download
memory/1128-138-0x0000000004CE0000-0x0000000004CF0000-memory.dmp

Filesize
64KB

Download
memory/1128-133-0x00000000000A0000-0x000000000016C000-memory.dmp

Filesize
816KB

Download
memory/1128-134-0x0000000005070000-0x0000000005614000-memory.dmp

Filesize
5.6MB

Download
memory/3936-140-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3936-143-0x0000000005830000-0x0000000005840000-memory.dmp

Filesize
64KB

Download
memory/3936-144-0x0000000005620000-0x0000000005686000-memory.dmp

Filesize
408KB

Download
memory/3936-145-0x0000000007330000-0x0000000007380000-memory.dmp

Filesize
320KB

Download
memory/3936-146-0x0000000007550000-0x0000000007712000-memory.dmp

Filesize
1.8MB

Download
memory/3936-147-0x0000000005830000-0x0000000005840000-memory.dmp

Filesize
64KB

Download

Analysis

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