agenttesla | f02c1480ea91f001a150cf0ee8de91b5d017013f298a2b85656d11fcd2b30751

General

Target

hesaphareketi-.exe
Size

2.3MB
MD5

ac4a055b326c3cc696d5a716af016f0b
SHA1

8ad58e88d9c2611928aa0460dbcfe850b1f3a6ef
SHA256

b29d97da8d548a2b32d4b29ee923f0cd81861c025c355bf87caba17cd97b8e95
SHA512

2e5da6299549bdbff52fcaf82663b09e5616a3d287213f8d13c6d10077a071c5d5a92118887f4fba89aa13aba4bede6523527a5ba8a17905a8e734dc0988280b
SSDEEP

12288:deyEgM4kqujoE3sDWcpTOD9UhL7EjzutLDRgSGsRhTZjo/:dekTkq8LDKZ4+jRhNjo/

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.normagroup.com.tr
Port:
21
Username:
[email protected]
Password:
ab+LNvim5PAo

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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 2980 set thread context of 2716	2980	hesaphareketi-.exe	30

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
2716	regasm.exe
2716	regasm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2980	hesaphareketi-.exe
Token: SeDebugPrivilege	2716	regasm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2716	regasm.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 2716	2980	hesaphareketi-.exe	30
PID 2980 wrote to memory of 2716	2980	hesaphareketi-.exe	30
PID 2980 wrote to memory of 2716	2980	hesaphareketi-.exe	30
PID 2980 wrote to memory of 2716	2980	hesaphareketi-.exe	30
PID 2980 wrote to memory of 2716	2980	hesaphareketi-.exe	30
PID 2980 wrote to memory of 2716	2980	hesaphareketi-.exe	30
PID 2980 wrote to memory of 2716	2980	hesaphareketi-.exe	30
PID 2980 wrote to memory of 2716	2980	hesaphareketi-.exe	30
PID 2980 wrote to memory of 2716	2980	hesaphareketi-.exe	30
PID 2980 wrote to memory of 2716	2980	hesaphareketi-.exe	30
PID 2980 wrote to memory of 2716	2980	hesaphareketi-.exe	30
PID 2980 wrote to memory of 2716	2980	hesaphareketi-.exe	30
PID 2980 wrote to memory of 2760	2980	hesaphareketi-.exe	31
PID 2980 wrote to memory of 2760	2980	hesaphareketi-.exe	31
PID 2980 wrote to memory of 2760	2980	hesaphareketi-.exe	31

C:\Users\Admin\AppData\Local\Temp\hesaphareketi-.exe
"C:\Users\Admin\AppData\Local\Temp\hesaphareketi-.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2980
- 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
  - Suspicious use of SetWindowsHookEx
  PID:2716
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2980 -s 628
  2⤵
  PID:2760

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/2716-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2716-13-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2716-6-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2716-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2716-4-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2716-15-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2716-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2716-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2980-1-0x00000000008A0000-0x00000000008A8000-memory.dmp

Filesize
32KB

Download
memory/2980-0-0x000007FEF5883000-0x000007FEF5884000-memory.dmp

Filesize
4KB

Download
memory/2980-3-0x000007FEF5880000-0x000007FEF626C000-memory.dmp

Filesize
9.9MB

Download
memory/2980-2-0x0000000001E40000-0x0000000001ED2000-memory.dmp

Filesize
584KB

Download
memory/2980-16-0x000007FEF5883000-0x000007FEF5884000-memory.dmp

Filesize
4KB

Download
memory/2980-17-0x000007FEF5880000-0x000007FEF626C000-memory.dmp

Filesize
9.9MB

Download

Analysis

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