agenttesla | 33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
12-06-2024 01:18

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General

Target

33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117.exe
Size

19KB
MD5

6a31128c19807fc52a90780dd7016ab3
SHA1

db8a662e197c954341458a671d7fd19050aa24e4
SHA256

33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117
SHA512

0f6ff235b195671e5d1d0a63cade60f1cc662c7ee6a4f9e6e47c9ca60f01f3479e51a2e4c49635f8d2055edda968e46827833eff857520449147a8b7107dc9a0
SSDEEP

384:XDNGjDFYTk5CGbvi6zmYXg6EYsYiPKRxw+v2dugB3QUnwK6kNgCo:zNS6TAp9jpsYiStudugBtz6kPo

Score

10^/10

agenttesla purecrypter downloader keylogger loader persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.hazengineering.com
Port:
587
Username:
[email protected]
Password:
Hazmuh59!*

Extracted

Family

purecrypter

http://161.129.66.18/Yxnbi.wav

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.hazengineering.com
Port:
587
Username:
[email protected]
Password:
Hazmuh59!*
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
loader downloader purecrypter
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 2 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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\Uvbxhpguyb = "C:\\Users\\Admin\\AppData\\Roaming\\Uvbxhpguyb.exe"	33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117.exe

description	pid	Process	procid_target
PID 3012 set thread context of 3256	3012	33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117.exe	30

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117.exe

pid	Process
3256	33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117.exe
3256	33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117.exe33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117.exe

description	pid	Process
Token: SeDebugPrivilege	3012	33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117.exe
Token: SeDebugPrivilege	3012	33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117.exe
Token: SeDebugPrivilege	3256	33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117.exe

description	pid	Process	procid_target
PID 3012 wrote to memory of 3256	3012	33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117.exe	30
PID 3012 wrote to memory of 3256	3012	33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117.exe	30
PID 3012 wrote to memory of 3256	3012	33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117.exe	30
PID 3012 wrote to memory of 3256	3012	33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117.exe	30
PID 3012 wrote to memory of 3256	3012	33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117.exe	30
PID 3012 wrote to memory of 3256	3012	33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117.exe	30
PID 3012 wrote to memory of 3256	3012	33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117.exe	30
PID 3012 wrote to memory of 3256	3012	33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117.exe	30
PID 3012 wrote to memory of 3256	3012	33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117.exe	30

C:\Users\Admin\AppData\Local\Temp\33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117.exe
"C:\Users\Admin\AppData\Local\Temp\33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Users\Admin\AppData\Local\Temp\33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117.exe
  "C:\Users\Admin\AppData\Local\Temp\33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3256

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3012-63-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-30-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-2-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/3012-0-0x00000000742AE000-0x00000000742AF000-memory.dmp

Filesize
4KB

Download
memory/3012-4-0x0000000007420000-0x0000000007652000-memory.dmp

Filesize
2.2MB

Download
memory/3012-5-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-8-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-6-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-16-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-14-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-12-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-10-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-20-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-27-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-29-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-34-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-40-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-58-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-56-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-68-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-66-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-64-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-3-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/3012-60-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-48-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-54-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-52-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-50-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-46-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-44-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-42-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-38-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-36-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-32-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-1-0x00000000000C0000-0x00000000000CC000-memory.dmp

Filesize
48KB

Download
memory/3012-24-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-22-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-18-0x0000000007420000-0x000000000764C000-memory.dmp

Filesize
2.2MB

Download
memory/3012-4892-0x0000000002060000-0x00000000020AC000-memory.dmp

Filesize
304KB

Download
memory/3012-4891-0x00000000057A0000-0x000000000580E000-memory.dmp

Filesize
440KB

Download
memory/3012-4893-0x00000000053B0000-0x0000000005404000-memory.dmp

Filesize
336KB

Download
memory/3012-4908-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/3256-4909-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3256-4910-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/3256-4911-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download