agenttesla | 83bd0492ad4599669d45f30993c0f6758940875008ee00a2b460f85566e1afee

General

Target

wvP.exe
Size

722KB
MD5

b33d730136cae062a912aebbdf3364d4
SHA1

2aa45f4bff155e5f2b717c3108ed60eb4e82f7d8
SHA256

83bd0492ad4599669d45f30993c0f6758940875008ee00a2b460f85566e1afee
SHA512

8a5a0654b6afae7d791b4c4c1236b28925a7e0d25d04e9b82f26c73e95a6abd7173067a7f81167ec6107ed9b3dcbb2004b2feab4c77d2c4f9c9ba17893554924
SSDEEP

12288:MWYIPXjxannnHg2tJVf4E/c3xVnBv66wHVKk8zbHPdeXfiD/KzKkjbD5T:MWYIPFannnHg2dQ8cx6LKkkbvdeQK+K

Score

10^/10

agenttesla credential_access discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5419172676:AAGNCqb7KIw9SSEGRFeD_N3VWL9qYPGdqaw/

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
2192	powershell.exe
2744	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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\cashout = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cashout\\cashout.exe"	wvP.exe

Looks up external IP address via web service 3 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
6	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2348 set thread context of 2736	2348	wvP.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wvP.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wvP.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2820	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2348	wvP.exe
2348	wvP.exe
2348	wvP.exe
2736	wvP.exe
2736	wvP.exe
2192	powershell.exe
2744	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2348	wvP.exe
Token: SeDebugPrivilege	2736	wvP.exe
Token: SeDebugPrivilege	2192	powershell.exe
Token: SeDebugPrivilege	2744	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2736	wvP.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 2192	2348	wvP.exe	31
PID 2348 wrote to memory of 2192	2348	wvP.exe	31
PID 2348 wrote to memory of 2192	2348	wvP.exe	31
PID 2348 wrote to memory of 2192	2348	wvP.exe	31
PID 2348 wrote to memory of 2744	2348	wvP.exe	33
PID 2348 wrote to memory of 2744	2348	wvP.exe	33
PID 2348 wrote to memory of 2744	2348	wvP.exe	33
PID 2348 wrote to memory of 2744	2348	wvP.exe	33
PID 2348 wrote to memory of 2820	2348	wvP.exe	34
PID 2348 wrote to memory of 2820	2348	wvP.exe	34
PID 2348 wrote to memory of 2820	2348	wvP.exe	34
PID 2348 wrote to memory of 2820	2348	wvP.exe	34
PID 2348 wrote to memory of 2736	2348	wvP.exe	37
PID 2348 wrote to memory of 2736	2348	wvP.exe	37
PID 2348 wrote to memory of 2736	2348	wvP.exe	37
PID 2348 wrote to memory of 2736	2348	wvP.exe	37
PID 2348 wrote to memory of 2736	2348	wvP.exe	37
PID 2348 wrote to memory of 2736	2348	wvP.exe	37
PID 2348 wrote to memory of 2736	2348	wvP.exe	37
PID 2348 wrote to memory of 2736	2348	wvP.exe	37
PID 2348 wrote to memory of 2736	2348	wvP.exe	37

C:\Users\Admin\AppData\Local\Temp\wvP.exe
"C:\Users\Admin\AppData\Local\Temp\wvP.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2348
- 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\wvP.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2192
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vfkShVG.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2744
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vfkShVG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD587.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2820
- C:\Users\Admin\AppData\Local\Temp\wvP.exe
  "C:\Users\Admin\AppData\Local\Temp\wvP.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2736

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

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

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\cashout\cashout.exe

Filesize
722KB

MD5
b33d730136cae062a912aebbdf3364d4

SHA1
2aa45f4bff155e5f2b717c3108ed60eb4e82f7d8

SHA256
83bd0492ad4599669d45f30993c0f6758940875008ee00a2b460f85566e1afee

SHA512
8a5a0654b6afae7d791b4c4c1236b28925a7e0d25d04e9b82f26c73e95a6abd7173067a7f81167ec6107ed9b3dcbb2004b2feab4c77d2c4f9c9ba17893554924

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD587.tmp

Filesize
1KB

MD5
16201b9b6a687487d03c5da2cc5db3a5

SHA1
3a5f4e93a54c6bf21742f219d104f239123d4656

SHA256
ada0cf7a8ca11316723b804e585f8ac002c57a69cf9b57bfc729cb3f1a6c1b2e

SHA512
372c6e01f07b744f8f5a0547354800d86c15a2152f18241db751c499ff17dc399c75d81c4bf69461cc4a4fc2beebb00ac7862990e149378f4604c78b14fc1e57

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

Filesize
7KB

MD5
44d328de3fcbd8536dae04df5ed280dd

SHA1
4138af75377d36f4697d75fea97da5ae8c6612bf

SHA256
d57830d8ce4112b5f3b3db62c88fde69518c9d698c4fceceab22ea34855238f8

SHA512
180bdbbcb148630443a34ef964b86fd24756516f315c31e74e959854c84d9509e0007e098ffd3eae56791f78c2c14e8664e300271940e8057d9bdbe02238dec9

Download Submit
memory/2348-33-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-1-0x0000000000FA0000-0x0000000001058000-memory.dmp

Filesize
736KB

Download
memory/2348-2-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-3-0x00000000003C0000-0x00000000003E0000-memory.dmp

Filesize
128KB

Download
memory/2348-4-0x00000000741AE000-0x00000000741AF000-memory.dmp

Filesize
4KB

Download
memory/2348-5-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/2348-6-0x00000000003F0000-0x0000000000404000-memory.dmp

Filesize
80KB

Download
memory/2348-7-0x00000000059D0000-0x0000000005A56000-memory.dmp

Filesize
536KB

Download
memory/2348-0-0x00000000741AE000-0x00000000741AF000-memory.dmp

Filesize
4KB

Download
memory/2736-30-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2736-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2736-24-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2736-22-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2736-20-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2736-26-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2736-29-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2736-32-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads