agenttesla | 47fefa7feb2150cff79c1146a567ff03117df777ea973faf5f9a14c89412ca2f

General

Target

Vessel_Doc_OCN2613132.exe
Size

836KB
MD5

9deac3b107399c40c2cae221953baebf
SHA1

e1c5c291a1a25f6895d206f6b5cce1db999b3f87
SHA256

9ca515b794477e792d95386fb74f8efe7fba769a2a082c5ebb3cc2b7d2460a95
SHA512

343eaead74d70f7096a60ae1c9d25374ef456ae3b271b7f7024b09057b060ed26f0a042be99ba0c0c0225505c9995360bd9a48cdf29176abd3baffa48073d1f0
SSDEEP

24576:CqZKKrVbCx3YN3QzB+aci/9Rvg9uMiv+7Har:sKlCygX1d4e

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.zqamcx.com
Port:
587
Username:
[email protected]
Password:
Anambraeast@
Email To:
[email protected]

Signatures

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

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
2796	powershell.exe
2732	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

Looks up external IP address via web service 1 IoCs

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

flow	ioc
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2380 set thread context of 3012	2380	Vessel_Doc_OCN2613132.exe	38

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_Doc_OCN2613132.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Vessel_Doc_OCN2613132.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

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
1540	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2380	Vessel_Doc_OCN2613132.exe
2380	Vessel_Doc_OCN2613132.exe
3012	Vessel_Doc_OCN2613132.exe
3012	Vessel_Doc_OCN2613132.exe
2796	powershell.exe
2732	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2380	Vessel_Doc_OCN2613132.exe
Token: SeDebugPrivilege	3012	Vessel_Doc_OCN2613132.exe
Token: SeDebugPrivilege	2732	powershell.exe
Token: SeDebugPrivilege	2796	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3012	Vessel_Doc_OCN2613132.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2796	2380	Vessel_Doc_OCN2613132.exe	31
PID 2380 wrote to memory of 2796	2380	Vessel_Doc_OCN2613132.exe	31
PID 2380 wrote to memory of 2796	2380	Vessel_Doc_OCN2613132.exe	31
PID 2380 wrote to memory of 2796	2380	Vessel_Doc_OCN2613132.exe	31
PID 2380 wrote to memory of 2732	2380	Vessel_Doc_OCN2613132.exe	33
PID 2380 wrote to memory of 2732	2380	Vessel_Doc_OCN2613132.exe	33
PID 2380 wrote to memory of 2732	2380	Vessel_Doc_OCN2613132.exe	33
PID 2380 wrote to memory of 2732	2380	Vessel_Doc_OCN2613132.exe	33
PID 2380 wrote to memory of 1540	2380	Vessel_Doc_OCN2613132.exe	35
PID 2380 wrote to memory of 1540	2380	Vessel_Doc_OCN2613132.exe	35
PID 2380 wrote to memory of 1540	2380	Vessel_Doc_OCN2613132.exe	35
PID 2380 wrote to memory of 1540	2380	Vessel_Doc_OCN2613132.exe	35
PID 2380 wrote to memory of 2708	2380	Vessel_Doc_OCN2613132.exe	37
PID 2380 wrote to memory of 2708	2380	Vessel_Doc_OCN2613132.exe	37
PID 2380 wrote to memory of 2708	2380	Vessel_Doc_OCN2613132.exe	37
PID 2380 wrote to memory of 2708	2380	Vessel_Doc_OCN2613132.exe	37
PID 2380 wrote to memory of 3012	2380	Vessel_Doc_OCN2613132.exe	38
PID 2380 wrote to memory of 3012	2380	Vessel_Doc_OCN2613132.exe	38
PID 2380 wrote to memory of 3012	2380	Vessel_Doc_OCN2613132.exe	38
PID 2380 wrote to memory of 3012	2380	Vessel_Doc_OCN2613132.exe	38
PID 2380 wrote to memory of 3012	2380	Vessel_Doc_OCN2613132.exe	38
PID 2380 wrote to memory of 3012	2380	Vessel_Doc_OCN2613132.exe	38
PID 2380 wrote to memory of 3012	2380	Vessel_Doc_OCN2613132.exe	38
PID 2380 wrote to memory of 3012	2380	Vessel_Doc_OCN2613132.exe	38
PID 2380 wrote to memory of 3012	2380	Vessel_Doc_OCN2613132.exe	38

C:\Users\Admin\AppData\Local\Temp\Vessel_Doc_OCN2613132.exe
"C:\Users\Admin\AppData\Local\Temp\Vessel_Doc_OCN2613132.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2380
- 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_Doc_OCN2613132.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2796
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JJYwGBPRBbedw.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2732
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JJYwGBPRBbedw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFF55.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1540
- C:\Users\Admin\AppData\Local\Temp\Vessel_Doc_OCN2613132.exe
  "C:\Users\Admin\AppData\Local\Temp\Vessel_Doc_OCN2613132.exe"
  2⤵
  PID:2708
- C:\Users\Admin\AppData\Local\Temp\Vessel_Doc_OCN2613132.exe
  "C:\Users\Admin\AppData\Local\Temp\Vessel_Doc_OCN2613132.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3012

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\tmpFF55.tmp

Filesize
1KB

MD5
57dccefaf66f7ad609cea0a2b2cfd911

SHA1
e52c50c15f515b133408c49d6d652768ba703be8

SHA256
6e706b2ba4fcc01388e71020aec8f7da1e264104d58cb1e73c2f7e2d1c8d98d5

SHA512
6eebf575b5fd30373b88ed364ca4baf8a92cd72c3d4de985ee15bfeec0c7201ebe0d785917b38a8742f87b2744480b8f6c595accf7872a98d1384c846f81e5e4

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

Filesize
7KB

MD5
3c0ed2e60b0c5ee71e77e864018dcb4e

SHA1
7ed5208548f35f56e40731003c933045752b6279

SHA256
d19ef9bdfedc8ea035480999d1048af652b8f967659ad712c898967a8d73db92

SHA512
98b8e7295632a2171892c510e0a03f7903967d5f8c55199625dfed5c4cab14166d9b2f9c2e6d2526f50cea782eccf0241e319d118099f9a9eca48fc8f07f5eb4

Download Submit
memory/2380-4-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/2380-32-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-0-0x00000000746CE000-0x00000000746CF000-memory.dmp

Filesize
4KB

Download
memory/2380-5-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-6-0x0000000005390000-0x0000000005424000-memory.dmp

Filesize
592KB

Download
memory/2380-2-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-1-0x0000000000C10000-0x0000000000CE4000-memory.dmp

Filesize
848KB

Download
memory/2380-3-0x0000000000220000-0x0000000000232000-memory.dmp

Filesize
72KB

Download
memory/3012-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3012-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3012-31-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3012-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3012-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3012-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3012-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3012-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads