agenttesla | abd6a08ff7327e729833c6c09bcb23942ea5b59dc542cf487cdaa1e4f4b12a7c

General

Target

abd6a08ff7327e729833c6c09bcb23942ea5b59dc542cf487cdaa1e4f4b12a7c.exe
Size

775KB
MD5

246e8571ca0dafda114b5ef63c878451
SHA1

2c6b1b365028281c8151106a27d23654f66c4368
SHA256

abd6a08ff7327e729833c6c09bcb23942ea5b59dc542cf487cdaa1e4f4b12a7c
SHA512

04de0a434e73edf0cf449149be6c9a4c12c5ffe5c80739335a89e9c85ac66023b9be8134bcd0888852ea40626975697eea0dcb856727214131e47a51460efaa7
SSDEEP

12288:Z7DJKmKtyoay1VzRXLZoW/kPL0unGvqD5ZX6eqETPdtH/Vd9BWJJUUtHU:ZXJKmHoay1JRXLZXkPZnGvqD22LF/

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.hatiplertekstil.com
Port:
587
Username:
[email protected]
Password:
htpl102030
Email To:
[email protected]

Signatures

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

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

resource	yara_rule
behavioral2/memory/2680-4-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

resource	yara_rule
behavioral2/memory/2680-4-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with or use KoiVM 1 IoCs

resource	yara_rule
behavioral2/memory/4764-3-0x000002A3F7950000-0x000002A3F79E4000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

resource	yara_rule
behavioral2/memory/2680-4-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/2680-4-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/2680-4-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/2680-4-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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 4764 set thread context of 2680	4764	abd6a08ff7327e729833c6c09bcb23942ea5b59dc542cf487cdaa1e4f4b12a7c.exe	87

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4764	abd6a08ff7327e729833c6c09bcb23942ea5b59dc542cf487cdaa1e4f4b12a7c.exe
2680	regasm.exe
2680	regasm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4764	abd6a08ff7327e729833c6c09bcb23942ea5b59dc542cf487cdaa1e4f4b12a7c.exe
Token: SeDebugPrivilege	2680	regasm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2680	regasm.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4764 wrote to memory of 2680	4764	abd6a08ff7327e729833c6c09bcb23942ea5b59dc542cf487cdaa1e4f4b12a7c.exe	87
PID 4764 wrote to memory of 2680	4764	abd6a08ff7327e729833c6c09bcb23942ea5b59dc542cf487cdaa1e4f4b12a7c.exe	87
PID 4764 wrote to memory of 2680	4764	abd6a08ff7327e729833c6c09bcb23942ea5b59dc542cf487cdaa1e4f4b12a7c.exe	87
PID 4764 wrote to memory of 2680	4764	abd6a08ff7327e729833c6c09bcb23942ea5b59dc542cf487cdaa1e4f4b12a7c.exe	87
PID 4764 wrote to memory of 2680	4764	abd6a08ff7327e729833c6c09bcb23942ea5b59dc542cf487cdaa1e4f4b12a7c.exe	87
PID 4764 wrote to memory of 2680	4764	abd6a08ff7327e729833c6c09bcb23942ea5b59dc542cf487cdaa1e4f4b12a7c.exe	87
PID 4764 wrote to memory of 2680	4764	abd6a08ff7327e729833c6c09bcb23942ea5b59dc542cf487cdaa1e4f4b12a7c.exe	87
PID 4764 wrote to memory of 2680	4764	abd6a08ff7327e729833c6c09bcb23942ea5b59dc542cf487cdaa1e4f4b12a7c.exe	87
PID 4764 wrote to memory of 3148	4764	abd6a08ff7327e729833c6c09bcb23942ea5b59dc542cf487cdaa1e4f4b12a7c.exe	89
PID 4764 wrote to memory of 3148	4764	abd6a08ff7327e729833c6c09bcb23942ea5b59dc542cf487cdaa1e4f4b12a7c.exe	89
PID 4764 wrote to memory of 3148	4764	abd6a08ff7327e729833c6c09bcb23942ea5b59dc542cf487cdaa1e4f4b12a7c.exe	89

C:\Users\Admin\AppData\Local\Temp\abd6a08ff7327e729833c6c09bcb23942ea5b59dc542cf487cdaa1e4f4b12a7c.exe
"C:\Users\Admin\AppData\Local\Temp\abd6a08ff7327e729833c6c09bcb23942ea5b59dc542cf487cdaa1e4f4b12a7c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4764
- 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:2680
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  PID:3148

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/2680-10-0x00000000061F0000-0x0000000006240000-memory.dmp

Filesize
320KB

Download
memory/2680-14-0x0000000005330000-0x0000000005340000-memory.dmp

Filesize
64KB

Download
memory/2680-13-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/2680-12-0x00000000064A0000-0x00000000064AA000-memory.dmp

Filesize
40KB

Download
memory/2680-4-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2680-5-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/2680-6-0x00000000058F0000-0x0000000005E94000-memory.dmp

Filesize
5.6MB

Download
memory/2680-7-0x0000000005330000-0x0000000005340000-memory.dmp

Filesize
64KB

Download
memory/2680-8-0x00000000052C0000-0x0000000005326000-memory.dmp

Filesize
408KB

Download
memory/2680-11-0x00000000062E0000-0x0000000006372000-memory.dmp

Filesize
584KB

Download
memory/4764-3-0x000002A3F7950000-0x000002A3F79E4000-memory.dmp

Filesize
592KB

Download
memory/4764-9-0x00007FF9E7A10000-0x00007FF9E84D1000-memory.dmp

Filesize
10.8MB

Download
memory/4764-0-0x000002A3F7560000-0x000002A3F7594000-memory.dmp

Filesize
208KB

Download
memory/4764-2-0x000002A3F94A0000-0x000002A3F94B0000-memory.dmp

Filesize
64KB

Download
memory/4764-1-0x00007FF9E7A10000-0x00007FF9E84D1000-memory.dmp

Filesize
10.8MB

Download

Analysis

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