agenttesla | dd18dd6759f8f926928be4b70e93ca3c44bce634b3c494b742f58356ba811670

General

Target

Vessel's details_pdf.scr
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
2788	powershell.exe
1040	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 2760 set thread context of 1688	2760	Vessel's details_pdf.scr	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Vessel's details_pdf.scr
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

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
2556	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2760	Vessel's details_pdf.scr
2760	Vessel's details_pdf.scr
2760	Vessel's details_pdf.scr
2760	Vessel's details_pdf.scr
1688	Vessel's details_pdf.scr
1688	Vessel's details_pdf.scr
2788	powershell.exe
1040	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	Vessel's details_pdf.scr
Token: SeDebugPrivilege	1688	Vessel's details_pdf.scr
Token: SeDebugPrivilege	2788	powershell.exe
Token: SeDebugPrivilege	1040	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 2788	2760	Vessel's details_pdf.scr	30
PID 2760 wrote to memory of 2788	2760	Vessel's details_pdf.scr	30
PID 2760 wrote to memory of 2788	2760	Vessel's details_pdf.scr	30
PID 2760 wrote to memory of 2788	2760	Vessel's details_pdf.scr	30
PID 2760 wrote to memory of 1040	2760	Vessel's details_pdf.scr	32
PID 2760 wrote to memory of 1040	2760	Vessel's details_pdf.scr	32
PID 2760 wrote to memory of 1040	2760	Vessel's details_pdf.scr	32
PID 2760 wrote to memory of 1040	2760	Vessel's details_pdf.scr	32
PID 2760 wrote to memory of 2556	2760	Vessel's details_pdf.scr	34
PID 2760 wrote to memory of 2556	2760	Vessel's details_pdf.scr	34
PID 2760 wrote to memory of 2556	2760	Vessel's details_pdf.scr	34
PID 2760 wrote to memory of 2556	2760	Vessel's details_pdf.scr	34
PID 2760 wrote to memory of 2916	2760	Vessel's details_pdf.scr	36
PID 2760 wrote to memory of 2916	2760	Vessel's details_pdf.scr	36
PID 2760 wrote to memory of 2916	2760	Vessel's details_pdf.scr	36
PID 2760 wrote to memory of 2916	2760	Vessel's details_pdf.scr	36
PID 2760 wrote to memory of 1688	2760	Vessel's details_pdf.scr	37
PID 2760 wrote to memory of 1688	2760	Vessel's details_pdf.scr	37
PID 2760 wrote to memory of 1688	2760	Vessel's details_pdf.scr	37
PID 2760 wrote to memory of 1688	2760	Vessel's details_pdf.scr	37
PID 2760 wrote to memory of 1688	2760	Vessel's details_pdf.scr	37
PID 2760 wrote to memory of 1688	2760	Vessel's details_pdf.scr	37
PID 2760 wrote to memory of 1688	2760	Vessel's details_pdf.scr	37
PID 2760 wrote to memory of 1688	2760	Vessel's details_pdf.scr	37
PID 2760 wrote to memory of 1688	2760	Vessel's details_pdf.scr	37

C:\Users\Admin\AppData\Local\Temp\Vessel's details_pdf.scr
"C:\Users\Admin\AppData\Local\Temp\Vessel's details_pdf.scr" /S
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2760
- 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"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2788
- 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:1040
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mtZujz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7494.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2556
- C:\Users\Admin\AppData\Local\Temp\Vessel's details_pdf.scr
  "C:\Users\Admin\AppData\Local\Temp\Vessel's details_pdf.scr"
  2⤵
  PID:2916
- C:\Users\Admin\AppData\Local\Temp\Vessel's details_pdf.scr
  "C:\Users\Admin\AppData\Local\Temp\Vessel's details_pdf.scr"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1688

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\tmp7494.tmp

Filesize
1KB

MD5
293bf11311792f60e224e8b1390de5b9

SHA1
ec3c892c76db758312224352e66a9f4e47d21700

SHA256
dface4fec733f281e9eab59851c0b565d0f43d4a19ed872fb086f2fec48d5958

SHA512
d31e756b269faf437aebfb965d6b34b40aee4db1fa84f21adec933feb6be16da9f7a72d86d298b51a2f5b4da6903fd4c5e9320791e5d75e08990206add218860

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\X65F8A882LZU3MJ7XBI4.temp

Filesize
7KB

MD5
e4c4d51e9f5978f304972f4f5dbcd270

SHA1
cdb495b678814715bdd11d4952ea732db634e8e6

SHA256
291b26302c1cdab539ce28c96f808a845650d82811fa2628289a60ca506c30ce

SHA512
591be18e3d243edaa9b6526418515db5b0b7f1d9b830ac72f4432928a199a21141a641b508563277f985aff77d23be68fc1c47375c77607eed4a99e3cf566a89

Download Submit
memory/1688-31-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1688-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1688-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1688-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1688-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1688-28-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1688-29-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1688-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2760-6-0x0000000004F10000-0x0000000004F92000-memory.dmp

Filesize
520KB

Download
memory/2760-1-0x0000000000CF0000-0x0000000000D96000-memory.dmp

Filesize
664KB

Download
memory/2760-0-0x000000007451E000-0x000000007451F000-memory.dmp

Filesize
4KB

Download
memory/2760-2-0x0000000074510000-0x0000000074BFE000-memory.dmp

Filesize
6.9MB

Download
memory/2760-3-0x00000000002D0000-0x00000000002E0000-memory.dmp

Filesize
64KB

Download
memory/2760-5-0x0000000074510000-0x0000000074BFE000-memory.dmp

Filesize
6.9MB

Download
memory/2760-4-0x000000007451E000-0x000000007451F000-memory.dmp

Filesize
4KB

Download
memory/2760-32-0x0000000074510000-0x0000000074BFE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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