agenttesla | dcf9cd40dcd72a619b5131e086d2210e89a856ec4686ed61de1e58d0147c05e8

General

Target

Product specs xlsx.exe
Size

827KB
MD5

810d36a230c09d61be7eb81469ca049a
SHA1

3e8ac1baa5ca2312546488b510f6cfb05947380c
SHA256

51be5a7459d693fc22018f2b29f87280c628dd0048d38d2f3a8b0ce79dd8573e
SHA512

946bfec88df32858d4d92318a8089e5092e98c1c4d0117ae616bb756f66f20815c963a2c0bacd827958170784fbc2222572e5ec72661e4afcf61eb93f3c93644
SSDEEP

12288:aVl0kxswcXKC2zNWfm2YRm5sm2YRm5hkxswcXKC2zNWvP7r9r/+pppppppppppp9:MSZX9uWfm2Yysm2YyhZX9uWv1q

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.taqwaknitwear.com
Port:
587
Username:
[email protected]
Password:
PGZ=5p?DmAtX
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

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2604 set thread context of 2652	2604	Product specs xlsx.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2652	regasm.exe
2652	regasm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2604	Product specs xlsx.exe
Token: SeDebugPrivilege	2652	regasm.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 2652	2604	Product specs xlsx.exe	28
PID 2604 wrote to memory of 2652	2604	Product specs xlsx.exe	28
PID 2604 wrote to memory of 2652	2604	Product specs xlsx.exe	28
PID 2604 wrote to memory of 2652	2604	Product specs xlsx.exe	28
PID 2604 wrote to memory of 2652	2604	Product specs xlsx.exe	28
PID 2604 wrote to memory of 2652	2604	Product specs xlsx.exe	28
PID 2604 wrote to memory of 2652	2604	Product specs xlsx.exe	28
PID 2604 wrote to memory of 2652	2604	Product specs xlsx.exe	28
PID 2604 wrote to memory of 2652	2604	Product specs xlsx.exe	28
PID 2604 wrote to memory of 2652	2604	Product specs xlsx.exe	28
PID 2604 wrote to memory of 2652	2604	Product specs xlsx.exe	28
PID 2604 wrote to memory of 2652	2604	Product specs xlsx.exe	28
PID 2604 wrote to memory of 3040	2604	Product specs xlsx.exe	29
PID 2604 wrote to memory of 3040	2604	Product specs xlsx.exe	29
PID 2604 wrote to memory of 3040	2604	Product specs xlsx.exe	29

C:\Users\Admin\AppData\Local\Temp\Product specs xlsx.exe
"C:\Users\Admin\AppData\Local\Temp\Product specs xlsx.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2604
- 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
  PID:2652
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2604 -s 1500
  2⤵
  PID:3040

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2604-0-0x0000000000BB0000-0x0000000000C82000-memory.dmp

Filesize
840KB

Download
memory/2604-1-0x000007FEF57B0000-0x000007FEF619C000-memory.dmp

Filesize
9.9MB

Download
memory/2604-2-0x000000001A870000-0x000000001A8F0000-memory.dmp

Filesize
512KB

Download
memory/2604-3-0x000000001B320000-0x000000001B3EC000-memory.dmp

Filesize
816KB

Download
memory/2604-17-0x000000001A870000-0x000000001A8F0000-memory.dmp

Filesize
512KB

Download
memory/2604-16-0x000007FEF57B0000-0x000007FEF619C000-memory.dmp

Filesize
9.9MB

Download
memory/2652-8-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2652-9-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2652-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2652-11-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2652-13-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2652-15-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2652-6-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2652-4-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download

Analysis

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