agenttesla | d50faa86234469eb85697aee14b7b16b55caca5c0d1229fc0c5904410ddbf1db

General

Target

Vessel's details_pdf.scr.exe
Size

640KB
MD5

61217d7c7664881d1d97df8a3c539cc4
SHA1

c6f020de1f91d2e82883ad60056429f9ef20684a
SHA256

d50faa86234469eb85697aee14b7b16b55caca5c0d1229fc0c5904410ddbf1db
SHA512

aec3b2061111850e384e847720cf572291d7e9eed8a012345ba34ac855396e1422ce9b8362efe85d857daf08cb63d9df0397daa7d127e08b62ab85fa7cb4a028
SSDEEP

12288:S0gFxlwGD/ERhZ3YtrWPciSFxUTjKjdAwDxnmYXuFGDDhXH:i7zMhhur1iSOjsdAMxmIAO

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://cash4cars.nz
Port:
21
Username:
[email protected]
Password:
-[([pqM~nGA4

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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2964	powershell.exe
2756	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 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 2 IoCs

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

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2212 set thread context of 2640	2212	Vessel's details_pdf.scr.exe	37

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 5 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	Vessel's details_pdf.scr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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	Vessel's details_pdf.scr.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
2816	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2212	Vessel's details_pdf.scr.exe
2212	Vessel's details_pdf.scr.exe
2640	Vessel's details_pdf.scr.exe
2640	Vessel's details_pdf.scr.exe
2964	powershell.exe
2756	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2212	Vessel's details_pdf.scr.exe
Token: SeDebugPrivilege	2640	Vessel's details_pdf.scr.exe
Token: SeDebugPrivilege	2756	powershell.exe
Token: SeDebugPrivilege	2964	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2964	2212	Vessel's details_pdf.scr.exe	31
PID 2212 wrote to memory of 2964	2212	Vessel's details_pdf.scr.exe	31
PID 2212 wrote to memory of 2964	2212	Vessel's details_pdf.scr.exe	31
PID 2212 wrote to memory of 2964	2212	Vessel's details_pdf.scr.exe	31
PID 2212 wrote to memory of 2756	2212	Vessel's details_pdf.scr.exe	33
PID 2212 wrote to memory of 2756	2212	Vessel's details_pdf.scr.exe	33
PID 2212 wrote to memory of 2756	2212	Vessel's details_pdf.scr.exe	33
PID 2212 wrote to memory of 2756	2212	Vessel's details_pdf.scr.exe	33
PID 2212 wrote to memory of 2816	2212	Vessel's details_pdf.scr.exe	35
PID 2212 wrote to memory of 2816	2212	Vessel's details_pdf.scr.exe	35
PID 2212 wrote to memory of 2816	2212	Vessel's details_pdf.scr.exe	35
PID 2212 wrote to memory of 2816	2212	Vessel's details_pdf.scr.exe	35
PID 2212 wrote to memory of 2640	2212	Vessel's details_pdf.scr.exe	37
PID 2212 wrote to memory of 2640	2212	Vessel's details_pdf.scr.exe	37
PID 2212 wrote to memory of 2640	2212	Vessel's details_pdf.scr.exe	37
PID 2212 wrote to memory of 2640	2212	Vessel's details_pdf.scr.exe	37
PID 2212 wrote to memory of 2640	2212	Vessel's details_pdf.scr.exe	37
PID 2212 wrote to memory of 2640	2212	Vessel's details_pdf.scr.exe	37
PID 2212 wrote to memory of 2640	2212	Vessel's details_pdf.scr.exe	37
PID 2212 wrote to memory of 2640	2212	Vessel's details_pdf.scr.exe	37
PID 2212 wrote to memory of 2640	2212	Vessel's details_pdf.scr.exe	37

C:\Users\Admin\AppData\Local\Temp\Vessel's details_pdf.scr.exe
"C:\Users\Admin\AppData\Local\Temp\Vessel's details_pdf.scr.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2212
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Vessel's details_pdf.scr.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2964
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mtZujz.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2756
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mtZujz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF670.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2816
- C:\Users\Admin\AppData\Local\Temp\Vessel's details_pdf.scr.exe
  "C:\Users\Admin\AppData\Local\Temp\Vessel's details_pdf.scr.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2640

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\tmpF670.tmp

Filesize
1KB

MD5
53f3925871864c511fdc4e2a5be1525e

SHA1
d06d023631079c9be146f1506ea81c98d7b65fdd

SHA256
bf65b8ddccc77298cf6e993376b0ff3ef0b0d44688232b80c5463c7018b80400

SHA512
70349e942da85577bafd6f834524b2e8f624806f4ee025ed56d16497b72ae66f4be928aa1c2cd7ab844d246745705b6acf0a59ebb7181484947c08dc2ce33fce

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
b68014acb3d611653a2a5b8055bef139

SHA1
308e81ddad38e5aef7e109898253e8cc400a540e

SHA256
db0a95454d8d3f453f027a79fd469527341fb2a396f71529ece8ac4f1a300c59

SHA512
dbd6c077891af4651d4958fbe42175ca3a9e0316ac1cea62be679fb6b38ffe381215d2182e722adda7249003bd2b32f746a81f6048235bf2d238278533bf70a9

Download Submit
memory/2212-4-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/2212-31-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2212-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/2212-5-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2212-6-0x0000000005200000-0x0000000005282000-memory.dmp

Filesize
520KB

Download
memory/2212-2-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2212-1-0x0000000001040000-0x00000000010E6000-memory.dmp

Filesize
664KB

Download
memory/2212-3-0x0000000000900000-0x0000000000910000-memory.dmp

Filesize
64KB

Download
memory/2640-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2640-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2640-30-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2640-29-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2640-28-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2640-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2640-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2640-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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