agenttesla | 4b10096493563126582974eb5aa4a857740bcf8eb62459a8f822be0a667b0e91

General

Target

QcgYuePXfjXfcUD.exe
Size

780KB
MD5

8fb83908d231f26f462b5c591a11048d
SHA1

9d12d01f183927f09ed6b654ddad8bdafb48e3a8
SHA256

9565e0e3358341d167b1adfe5a30b957aa028e19addb4427af1bbd41bfe67e6b
SHA512

b23eaa389f3996b3a7cc030fb797b2edc3978070a0fbb2dfca305e8ba22eac682c8545558bc6d84b16a2827a129f6e0a57bd17f0c26369268a16949bc39fe1ac
SSDEEP

12288:gGgrKo7e7uh5DdXoaWS1pBGGdkM8ipU1m7nMrsIIk6/yA95i+V:gGfo7Ko5DdYaWS1Kf9ipUomF9

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.pgsu.co.id
Port:
587
Username:
[email protected]
Password:
Vecls16@Vezs
Email To:
[email protected]

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2724	powershell.exe

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 1736 set thread context of 2956	1736	QcgYuePXfjXfcUD.exe	35

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	QcgYuePXfjXfcUD.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	QcgYuePXfjXfcUD.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2884	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2956	QcgYuePXfjXfcUD.exe
2956	QcgYuePXfjXfcUD.exe
2724	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2956	QcgYuePXfjXfcUD.exe
Token: SeDebugPrivilege	2724	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2956	QcgYuePXfjXfcUD.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 2724	1736	QcgYuePXfjXfcUD.exe	31
PID 1736 wrote to memory of 2724	1736	QcgYuePXfjXfcUD.exe	31
PID 1736 wrote to memory of 2724	1736	QcgYuePXfjXfcUD.exe	31
PID 1736 wrote to memory of 2724	1736	QcgYuePXfjXfcUD.exe	31
PID 1736 wrote to memory of 2884	1736	QcgYuePXfjXfcUD.exe	32
PID 1736 wrote to memory of 2884	1736	QcgYuePXfjXfcUD.exe	32
PID 1736 wrote to memory of 2884	1736	QcgYuePXfjXfcUD.exe	32
PID 1736 wrote to memory of 2884	1736	QcgYuePXfjXfcUD.exe	32
PID 1736 wrote to memory of 2956	1736	QcgYuePXfjXfcUD.exe	35
PID 1736 wrote to memory of 2956	1736	QcgYuePXfjXfcUD.exe	35
PID 1736 wrote to memory of 2956	1736	QcgYuePXfjXfcUD.exe	35
PID 1736 wrote to memory of 2956	1736	QcgYuePXfjXfcUD.exe	35
PID 1736 wrote to memory of 2956	1736	QcgYuePXfjXfcUD.exe	35
PID 1736 wrote to memory of 2956	1736	QcgYuePXfjXfcUD.exe	35
PID 1736 wrote to memory of 2956	1736	QcgYuePXfjXfcUD.exe	35
PID 1736 wrote to memory of 2956	1736	QcgYuePXfjXfcUD.exe	35
PID 1736 wrote to memory of 2956	1736	QcgYuePXfjXfcUD.exe	35

C:\Users\Admin\AppData\Local\Temp\QcgYuePXfjXfcUD.exe
"C:\Users\Admin\AppData\Local\Temp\QcgYuePXfjXfcUD.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rVTHOaxz.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2724
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rVTHOaxz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFDC0.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2884
- C:\Users\Admin\AppData\Local\Temp\QcgYuePXfjXfcUD.exe
  "C:\Users\Admin\AppData\Local\Temp\QcgYuePXfjXfcUD.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2956

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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 Information Discovery

1

T1082

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpFDC0.tmp

Filesize
1KB

MD5
1f8eac4398f2516dffc2d585128357d6

SHA1
9c4285b77d14213a5e431f6071962d2be12fc391

SHA256
168339cbb8a4bc19f41111955e6147b4f75744ec1f2b4b9ad9c811884c84e008

SHA512
594efcf4aca0ab65cdd9b9f7f33cfbc4dfefda38d095f404142c1aa14d5a23529277df1fa387ef2da91699f66ccd16060171214e7a115a14130e432fa69562a4

Download Submit
memory/1736-26-0x0000000074270000-0x000000007495E000-memory.dmp

Filesize
6.9MB

Download
memory/1736-5-0x0000000074270000-0x000000007495E000-memory.dmp

Filesize
6.9MB

Download
memory/1736-3-0x000000007427E000-0x000000007427F000-memory.dmp

Filesize
4KB

Download
memory/1736-4-0x0000000000450000-0x0000000000462000-memory.dmp

Filesize
72KB

Download
memory/1736-0-0x000000007427E000-0x000000007427F000-memory.dmp

Filesize
4KB

Download
memory/1736-6-0x0000000004F30000-0x0000000004FB6000-memory.dmp

Filesize
536KB

Download
memory/1736-2-0x0000000074270000-0x000000007495E000-memory.dmp

Filesize
6.9MB

Download
memory/1736-1-0x0000000001160000-0x0000000001228000-memory.dmp

Filesize
800KB

Download
memory/2956-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2956-24-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2956-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2956-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2956-20-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2956-18-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2956-16-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2956-14-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads