agenttesla | 846fbef77b60f9493d30acf744b29b893805934849ef34409bad369e2012ece8

General

Target

846fbef77b60f9493d30acf744b29b893805934849ef34409bad369e2012ece8.exe
Size

2.2MB
MD5

4e6424cacaa5f508e516ce8423c7a8b8
SHA1

240e24cd609d9059a7efc3aac10bd182a26b4c9a
SHA256

846fbef77b60f9493d30acf744b29b893805934849ef34409bad369e2012ece8
SHA512

e1717979958a28c41b2c68ff2383f92a06c9a0573fa01120b708e7c240ad98e881787ed8529c3a92bc11f4cadcf4cdd8e8a1f41e6b19da296fb97ea3b37a1c0c
SSDEEP

12288:Pph6Me9MuqZQyeP4R25uXKtBwIdVP6yhgMG4vAp4EFluz91uVWa5gypb:peSFeQR2MXKtJtdG4Ip4BEV95p

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7473226879:AAEQq47vzNj1ev2yBhgx7mOe-d3wzyPu7AE/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
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 3 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

Credentials from Web Browsers
T1555.003

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1828 set thread context of 2964	1828	846fbef77b60f9493d30acf744b29b893805934849ef34409bad369e2012ece8.exe	31

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2964	regasm.exe
2964	regasm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1828	846fbef77b60f9493d30acf744b29b893805934849ef34409bad369e2012ece8.exe
Token: SeDebugPrivilege	2964	regasm.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1828 wrote to memory of 2964	1828	846fbef77b60f9493d30acf744b29b893805934849ef34409bad369e2012ece8.exe	31
PID 1828 wrote to memory of 2964	1828	846fbef77b60f9493d30acf744b29b893805934849ef34409bad369e2012ece8.exe	31
PID 1828 wrote to memory of 2964	1828	846fbef77b60f9493d30acf744b29b893805934849ef34409bad369e2012ece8.exe	31
PID 1828 wrote to memory of 2964	1828	846fbef77b60f9493d30acf744b29b893805934849ef34409bad369e2012ece8.exe	31
PID 1828 wrote to memory of 2964	1828	846fbef77b60f9493d30acf744b29b893805934849ef34409bad369e2012ece8.exe	31
PID 1828 wrote to memory of 2964	1828	846fbef77b60f9493d30acf744b29b893805934849ef34409bad369e2012ece8.exe	31
PID 1828 wrote to memory of 2964	1828	846fbef77b60f9493d30acf744b29b893805934849ef34409bad369e2012ece8.exe	31
PID 1828 wrote to memory of 2964	1828	846fbef77b60f9493d30acf744b29b893805934849ef34409bad369e2012ece8.exe	31
PID 1828 wrote to memory of 2964	1828	846fbef77b60f9493d30acf744b29b893805934849ef34409bad369e2012ece8.exe	31
PID 1828 wrote to memory of 2964	1828	846fbef77b60f9493d30acf744b29b893805934849ef34409bad369e2012ece8.exe	31
PID 1828 wrote to memory of 2964	1828	846fbef77b60f9493d30acf744b29b893805934849ef34409bad369e2012ece8.exe	31
PID 1828 wrote to memory of 2964	1828	846fbef77b60f9493d30acf744b29b893805934849ef34409bad369e2012ece8.exe	31
PID 1828 wrote to memory of 1080	1828	846fbef77b60f9493d30acf744b29b893805934849ef34409bad369e2012ece8.exe	32
PID 1828 wrote to memory of 1080	1828	846fbef77b60f9493d30acf744b29b893805934849ef34409bad369e2012ece8.exe	32
PID 1828 wrote to memory of 1080	1828	846fbef77b60f9493d30acf744b29b893805934849ef34409bad369e2012ece8.exe	32

C:\Users\Admin\AppData\Local\Temp\846fbef77b60f9493d30acf744b29b893805934849ef34409bad369e2012ece8.exe
"C:\Users\Admin\AppData\Local\Temp\846fbef77b60f9493d30acf744b29b893805934849ef34409bad369e2012ece8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1828
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2964
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 1828 -s 616
  2⤵
  PID:1080

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1828-0-0x000007FEF5213000-0x000007FEF5214000-memory.dmp

Filesize
4KB

Download
memory/1828-1-0x0000000000C00000-0x0000000000C0A000-memory.dmp

Filesize
40KB

Download
memory/1828-2-0x000000001B100000-0x000000001B10A000-memory.dmp

Filesize
40KB

Download
memory/1828-3-0x0000000000A80000-0x0000000000B14000-memory.dmp

Filesize
592KB

Download
memory/1828-4-0x000007FEF5210000-0x000007FEF5BFC000-memory.dmp

Filesize
9.9MB

Download
memory/1828-19-0x000007FEF5210000-0x000007FEF5BFC000-memory.dmp

Filesize
9.9MB

Download
memory/2964-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2964-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2964-18-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2964-16-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2964-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2964-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2964-5-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2964-14-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

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