agenttesla | 487a65a744364c95696bf450fe78819afac41980fb6a106231f84aa0835aa5f2

General

Target

PO98540-00.exe
Size

701KB
MD5

fe46e2fc578c6f8788cba694e64c71fa
SHA1

5962ff7fb535fd8435dc4bf4f1abe1a70e731801
SHA256

487a65a744364c95696bf450fe78819afac41980fb6a106231f84aa0835aa5f2
SHA512

0392998bfc22b0c62e64de62d5ead1f5ae2d3e40b050ea2c44ce0bcd98eabe3d7044d99c63473ede5b595fa0f2df189a603430c4dc40a844789e3ba8590111de
SSDEEP

12288:ePWa+Axv0f/nkXFwy0X+LtYKnrX0gw4ta6iGqHw1UwnRWlo/SX3sh+35JkH:jA8kXUX8Xr0gwgZRwGSnsukH

Score

10^/10

agenttesla discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.starmech.net
Port:
587
Username:
[email protected]
Password:
nics123
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 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
2140	powershell.exe

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe"	RegSvcs.exe

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
5	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 324 set thread context of 2800	324	PO98540-00.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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO98540-00.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
2880	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
324	PO98540-00.exe
324	PO98540-00.exe
2800	RegSvcs.exe
2800	RegSvcs.exe
2788	powershell.exe
2140	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	324	PO98540-00.exe
Token: SeDebugPrivilege	2800	RegSvcs.exe
Token: SeDebugPrivilege	2140	powershell.exe
Token: SeDebugPrivilege	2788	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2800	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 324 wrote to memory of 2140	324	PO98540-00.exe	31
PID 324 wrote to memory of 2140	324	PO98540-00.exe	31
PID 324 wrote to memory of 2140	324	PO98540-00.exe	31
PID 324 wrote to memory of 2140	324	PO98540-00.exe	31
PID 324 wrote to memory of 2788	324	PO98540-00.exe	33
PID 324 wrote to memory of 2788	324	PO98540-00.exe	33
PID 324 wrote to memory of 2788	324	PO98540-00.exe	33
PID 324 wrote to memory of 2788	324	PO98540-00.exe	33
PID 324 wrote to memory of 2880	324	PO98540-00.exe	35
PID 324 wrote to memory of 2880	324	PO98540-00.exe	35
PID 324 wrote to memory of 2880	324	PO98540-00.exe	35
PID 324 wrote to memory of 2880	324	PO98540-00.exe	35
PID 324 wrote to memory of 2800	324	PO98540-00.exe	37
PID 324 wrote to memory of 2800	324	PO98540-00.exe	37
PID 324 wrote to memory of 2800	324	PO98540-00.exe	37
PID 324 wrote to memory of 2800	324	PO98540-00.exe	37
PID 324 wrote to memory of 2800	324	PO98540-00.exe	37
PID 324 wrote to memory of 2800	324	PO98540-00.exe	37
PID 324 wrote to memory of 2800	324	PO98540-00.exe	37
PID 324 wrote to memory of 2800	324	PO98540-00.exe	37
PID 324 wrote to memory of 2800	324	PO98540-00.exe	37
PID 324 wrote to memory of 2800	324	PO98540-00.exe	37
PID 324 wrote to memory of 2800	324	PO98540-00.exe	37
PID 324 wrote to memory of 2800	324	PO98540-00.exe	37

C:\Users\Admin\AppData\Local\Temp\PO98540-00.exe
"C:\Users\Admin\AppData\Local\Temp\PO98540-00.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:324
- 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\PO98540-00.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2140
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JRkgWFF.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2788
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JRkgWFF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2990.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2880
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:2800

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

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2990.tmp

Filesize
1KB

MD5
e010bc73192f0dafb72a47fe35d86577

SHA1
57aa7f169f49d9a88745b648ae95084a8fe9ba00

SHA256
971b36aaf3efad0fdeb7f941d16cf056480b9e5d2c98f3cfe5d860de0f86fbb0

SHA512
76ff979567f7f1173d4e11eb425ec08c4a0653b3d812a3cd5ffcb2bd66cffd8ff793cd7e40f5e5941f428907c5279070e48dbec7ccb05957cba5ae9cc79afa86

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\PEWRU4YA65S3MTS6R0KD.temp

Filesize
7KB

MD5
ff87471e17b76ec6298c6950ca5b4469

SHA1
ec5256f799933f7c4cd1cc82cf9d2a86467641de

SHA256
5588d303c43cb128b7a255fd0ad45b2d0e234840b3865bb3079dd1a69c362ff2

SHA512
4adeae4f003fa96a38bce4e908326d5c1795e042490458852d53989047d98ebbd29aa7cab8dd40b65d4a1a8522c05c65489a83b924af1c31766d6445ef495dea

Download Submit
memory/324-4-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

Filesize
4KB

Download
memory/324-31-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/324-0-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

Filesize
4KB

Download
memory/324-5-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/324-6-0x0000000005A80000-0x0000000005B06000-memory.dmp

Filesize
536KB

Download
memory/324-2-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/324-1-0x0000000000250000-0x0000000000306000-memory.dmp

Filesize
728KB

Download
memory/324-3-0x0000000000670000-0x000000000068E000-memory.dmp

Filesize
120KB

Download
memory/2800-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2800-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2800-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2800-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2800-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2800-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2800-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2800-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads