agenttesla | 968b35df94059f162a58a881cfcd63c0f2b2daf904f9599c48fade1f4fde8605

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29/05/2024, 09:53

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General

Target

dekont_20240529_388993774837743.exe
Size

637KB
MD5

1e5cf68be8be84206025810b3e0b1454
SHA1

69ccfa76796e58b9ebd30c1928d00f02caa60cac
SHA256

968b35df94059f162a58a881cfcd63c0f2b2daf904f9599c48fade1f4fde8605
SHA512

2ddfcbb652358cafedb962c704316aa651bf0809f0e38dec4d8bf764733f5b9ca8756ea64ed03c4294285d43e49f7cb5a70fb98f29d9e382438beac71d498759
SSDEEP

12288:zrKj8uwR0PbmCkq2AhEPQb39hcW1WLNKUqdLiCvgMEmCwDe3G:z2AuwR0PbmCjhEP0xiBM+bMi2

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.blancahotel.com
Port:
587
Username:
[email protected]
Password:
J4OsTW6J
Email To:
[email protected]

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2168 set thread context of 3068	2168	dekont_20240529_388993774837743.exe	29

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3068	regasm.exe
3068	regasm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2168	dekont_20240529_388993774837743.exe
Token: SeDebugPrivilege	3068	regasm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3068	regasm.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2984	2168	dekont_20240529_388993774837743.exe	28
PID 2168 wrote to memory of 2984	2168	dekont_20240529_388993774837743.exe	28
PID 2168 wrote to memory of 2984	2168	dekont_20240529_388993774837743.exe	28
PID 2168 wrote to memory of 2984	2168	dekont_20240529_388993774837743.exe	28
PID 2168 wrote to memory of 2984	2168	dekont_20240529_388993774837743.exe	28
PID 2168 wrote to memory of 2984	2168	dekont_20240529_388993774837743.exe	28
PID 2168 wrote to memory of 2984	2168	dekont_20240529_388993774837743.exe	28
PID 2168 wrote to memory of 2984	2168	dekont_20240529_388993774837743.exe	28
PID 2168 wrote to memory of 3068	2168	dekont_20240529_388993774837743.exe	29
PID 2168 wrote to memory of 3068	2168	dekont_20240529_388993774837743.exe	29
PID 2168 wrote to memory of 3068	2168	dekont_20240529_388993774837743.exe	29
PID 2168 wrote to memory of 3068	2168	dekont_20240529_388993774837743.exe	29
PID 2168 wrote to memory of 3068	2168	dekont_20240529_388993774837743.exe	29
PID 2168 wrote to memory of 3068	2168	dekont_20240529_388993774837743.exe	29
PID 2168 wrote to memory of 3068	2168	dekont_20240529_388993774837743.exe	29
PID 2168 wrote to memory of 3068	2168	dekont_20240529_388993774837743.exe	29
PID 2168 wrote to memory of 3068	2168	dekont_20240529_388993774837743.exe	29
PID 2168 wrote to memory of 3068	2168	dekont_20240529_388993774837743.exe	29
PID 2168 wrote to memory of 3068	2168	dekont_20240529_388993774837743.exe	29
PID 2168 wrote to memory of 3068	2168	dekont_20240529_388993774837743.exe	29
PID 2168 wrote to memory of 2520	2168	dekont_20240529_388993774837743.exe	30
PID 2168 wrote to memory of 2520	2168	dekont_20240529_388993774837743.exe	30
PID 2168 wrote to memory of 2520	2168	dekont_20240529_388993774837743.exe	30
PID 2168 wrote to memory of 2520	2168	dekont_20240529_388993774837743.exe	30
PID 2168 wrote to memory of 2520	2168	dekont_20240529_388993774837743.exe	30
PID 2168 wrote to memory of 2520	2168	dekont_20240529_388993774837743.exe	30
PID 2168 wrote to memory of 2520	2168	dekont_20240529_388993774837743.exe	30

C:\Users\Admin\AppData\Local\Temp\dekont_20240529_388993774837743.exe
"C:\Users\Admin\AppData\Local\Temp\dekont_20240529_388993774837743.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
  2⤵
  PID:2984
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3068
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  PID:2520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/2168-0-0x000007FEF5713000-0x000007FEF5714000-memory.dmp

Filesize
4KB

Download
memory/2168-1-0x00000000011C0000-0x00000000011D4000-memory.dmp

Filesize
80KB

Download
memory/2168-2-0x000007FEF5710000-0x000007FEF60FC000-memory.dmp

Filesize
9.9MB

Download
memory/2168-3-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2168-4-0x0000000000A10000-0x0000000000AA4000-memory.dmp

Filesize
592KB

Download
memory/2168-19-0x000007FEF5710000-0x000007FEF60FC000-memory.dmp

Filesize
9.9MB

Download
memory/2984-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2984-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2984-6-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2984-5-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3068-16-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3068-18-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3068-15-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3068-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download