agenttesla | acfcd52f757d0f4526e651d7823f1d0eb93a37843b44d56c5b2f7f4a9edfd0b9

General

Target

acfcd52f757d0f4526e651d78.exe
Size

776KB
MD5

b92d4046b60d24d92221ac6573bea986
SHA1

fd7c9c5ea9d35f42b5e7eef868d879655df90fab
SHA256

acfcd52f757d0f4526e651d7823f1d0eb93a37843b44d56c5b2f7f4a9edfd0b9
SHA512

d6686b1e0888bc4dfdd417775a28c6de6e20aebff4578f5a95cab0e27b2a3932f85a375e50b8673ce2fe084e1b8ec9bcdd471e856170977fc0288066b338b7f3
SSDEEP

24576:yiOV/NOaTOnehL5al0T/xnxxTH80GJByMS:yiOV/NOaTCehL5ayxnxxg0GJBzS

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
!Gphfth8
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-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	acfcd52f757d0f4526e651d78.exe
Key opened	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	acfcd52f757d0f4526e651d78.exe
Key opened	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	acfcd52f757d0f4526e651d78.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 452 set thread context of 3228	452	acfcd52f757d0f4526e651d78.exe	81

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
452	acfcd52f757d0f4526e651d78.exe
452	acfcd52f757d0f4526e651d78.exe
3228	acfcd52f757d0f4526e651d78.exe
3228	acfcd52f757d0f4526e651d78.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	452	acfcd52f757d0f4526e651d78.exe
Token: SeDebugPrivilege	3228	acfcd52f757d0f4526e651d78.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 452 wrote to memory of 2820	452	acfcd52f757d0f4526e651d78.exe	80
PID 452 wrote to memory of 2820	452	acfcd52f757d0f4526e651d78.exe	80
PID 452 wrote to memory of 2820	452	acfcd52f757d0f4526e651d78.exe	80
PID 452 wrote to memory of 3228	452	acfcd52f757d0f4526e651d78.exe	81
PID 452 wrote to memory of 3228	452	acfcd52f757d0f4526e651d78.exe	81
PID 452 wrote to memory of 3228	452	acfcd52f757d0f4526e651d78.exe	81
PID 452 wrote to memory of 3228	452	acfcd52f757d0f4526e651d78.exe	81
PID 452 wrote to memory of 3228	452	acfcd52f757d0f4526e651d78.exe	81
PID 452 wrote to memory of 3228	452	acfcd52f757d0f4526e651d78.exe	81
PID 452 wrote to memory of 3228	452	acfcd52f757d0f4526e651d78.exe	81
PID 452 wrote to memory of 3228	452	acfcd52f757d0f4526e651d78.exe	81

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	acfcd52f757d0f4526e651d78.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	acfcd52f757d0f4526e651d78.exe

C:\Users\Admin\AppData\Local\Temp\acfcd52f757d0f4526e651d78.exe
"C:\Users\Admin\AppData\Local\Temp\acfcd52f757d0f4526e651d78.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:452
- C:\Users\Admin\AppData\Local\Temp\acfcd52f757d0f4526e651d78.exe
  "C:\Users\Admin\AppData\Local\Temp\acfcd52f757d0f4526e651d78.exe"
  2⤵
  PID:2820
- C:\Users\Admin\AppData\Local\Temp\acfcd52f757d0f4526e651d78.exe
  "C:\Users\Admin\AppData\Local\Temp\acfcd52f757d0f4526e651d78.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3228

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\acfcd52f757d0f4526e651d78.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/452-139-0x0000000007260000-0x00000000072FC000-memory.dmp

Filesize
624KB

Download
memory/452-135-0x0000000005600000-0x0000000005692000-memory.dmp

Filesize
584KB

Download
memory/452-136-0x00000000055C0000-0x00000000055CA000-memory.dmp

Filesize
40KB

Download
memory/452-137-0x0000000005860000-0x0000000005870000-memory.dmp

Filesize
64KB

Download
memory/452-138-0x0000000005860000-0x0000000005870000-memory.dmp

Filesize
64KB

Download
memory/452-133-0x0000000000B00000-0x0000000000BC8000-memory.dmp

Filesize
800KB

Download
memory/452-134-0x0000000005B10000-0x00000000060B4000-memory.dmp

Filesize
5.6MB

Download
memory/3228-140-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3228-143-0x0000000004D50000-0x0000000004DB6000-memory.dmp

Filesize
408KB

Download
memory/3228-144-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

Filesize
64KB

Download
memory/3228-145-0x0000000005B60000-0x0000000005BB0000-memory.dmp

Filesize
320KB

Download
memory/3228-146-0x0000000005D80000-0x0000000005F42000-memory.dmp

Filesize
1.8MB

Download
memory/3228-147-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

Filesize
64KB

Download

Analysis

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