agenttesla | 94e14d64d9d1242ef09ce0ad641426ad5f93d71a9e2587d91e2302cc296a4f93

General

Target

PO#98540-00.exe
Size

818KB
MD5

ea046995fae362aca9e45a8374b2e7d3
SHA1

220030086ea9c40d840904ee914fce760355313a
SHA256

887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6
SHA512

fc5fc4d4ba627d5503bf162c7ea0b86379be979badf27950449ee7ae6552b14ad7b170a567feaca8b6a1c98c404e399651d1fec7e4d0330161ec436b940c5deb
SSDEEP

12288:LOfIO8DfgZCZtoym2Tm9I+M4AszKlF5+YZ4sEu9neODY72eM9lOR7rCThUa+e1+:LOkfpOFM4TKQyxetMCRvE+p

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
1884	powershell.exe
2740	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-1-5-21-312935884-697965778-3955649944-1000\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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2320 set thread context of 2240	2320	PO#98540-00.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	PO#98540-00.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	RegSvcs.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
2744	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2320	PO#98540-00.exe
2740	powershell.exe
1884	powershell.exe
2320	PO#98540-00.exe
2240	RegSvcs.exe
2240	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2320	PO#98540-00.exe
Token: SeDebugPrivilege	2740	powershell.exe
Token: SeDebugPrivilege	1884	powershell.exe
Token: SeDebugPrivilege	2240	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2240	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 1884	2320	PO#98540-00.exe	31
PID 2320 wrote to memory of 1884	2320	PO#98540-00.exe	31
PID 2320 wrote to memory of 1884	2320	PO#98540-00.exe	31
PID 2320 wrote to memory of 1884	2320	PO#98540-00.exe	31
PID 2320 wrote to memory of 2740	2320	PO#98540-00.exe	33
PID 2320 wrote to memory of 2740	2320	PO#98540-00.exe	33
PID 2320 wrote to memory of 2740	2320	PO#98540-00.exe	33
PID 2320 wrote to memory of 2740	2320	PO#98540-00.exe	33
PID 2320 wrote to memory of 2744	2320	PO#98540-00.exe	35
PID 2320 wrote to memory of 2744	2320	PO#98540-00.exe	35
PID 2320 wrote to memory of 2744	2320	PO#98540-00.exe	35
PID 2320 wrote to memory of 2744	2320	PO#98540-00.exe	35
PID 2320 wrote to memory of 2240	2320	PO#98540-00.exe	37
PID 2320 wrote to memory of 2240	2320	PO#98540-00.exe	37
PID 2320 wrote to memory of 2240	2320	PO#98540-00.exe	37
PID 2320 wrote to memory of 2240	2320	PO#98540-00.exe	37
PID 2320 wrote to memory of 2240	2320	PO#98540-00.exe	37
PID 2320 wrote to memory of 2240	2320	PO#98540-00.exe	37
PID 2320 wrote to memory of 2240	2320	PO#98540-00.exe	37
PID 2320 wrote to memory of 2240	2320	PO#98540-00.exe	37
PID 2320 wrote to memory of 2240	2320	PO#98540-00.exe	37
PID 2320 wrote to memory of 2240	2320	PO#98540-00.exe	37
PID 2320 wrote to memory of 2240	2320	PO#98540-00.exe	37
PID 2320 wrote to memory of 2240	2320	PO#98540-00.exe	37

C:\Users\Admin\AppData\Local\Temp\PO#98540-00.exe
"C:\Users\Admin\AppData\Local\Temp\PO#98540-00.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2320
- 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\PO#98540-00.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1884
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fxdUmOSelzT.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2740
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fxdUmOSelzT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp12F4.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2744
- 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:2240

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\tmp12F4.tmp

Filesize
1KB

MD5
e78c94bcc1860ad68d344b433ee7fce3

SHA1
2b0d367ae6b0d4098cbfff0ea765ec1b486ca0d0

SHA256
f78fee100c17e0fd108c38329d2b727239be62eea44784ac781c93947ea279af

SHA512
581201a5db6a0d6c5861cbdd56672d82f1a4453ba4fa57073b67622f20b1778e501512d65b6a1f4bc784f51ac6e6b5fcec94ddefad6e9894affdbc83cfb66974

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

Filesize
7KB

MD5
d5daae424a5b42126490c7a8d4ab34a2

SHA1
cfb5e1e406f1ced661d677d23e9c35b6d84d8e71

SHA256
5db27e9d614b33057afafbf5488e426355c9ed994ab134e95f4e08b1bb3eaa88

SHA512
9efa9158379b9939a212ba1066b9ffc1b0cb1c2c1678d38086fec9cdfd9b488cab9ee6a0bec05db0d0e6fa941fb052075365528b6925a91d3a6e969776babca5

Download Submit
memory/2240-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2240-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2240-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2240-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2240-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2240-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2240-31-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2240-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2320-6-0x00000000008B0000-0x0000000000936000-memory.dmp

Filesize
536KB

Download
memory/2320-1-0x00000000003B0000-0x0000000000482000-memory.dmp

Filesize
840KB

Download
memory/2320-0-0x000000007448E000-0x000000007448F000-memory.dmp

Filesize
4KB

Download
memory/2320-2-0x0000000074480000-0x0000000074B6E000-memory.dmp

Filesize
6.9MB

Download
memory/2320-3-0x0000000000370000-0x0000000000396000-memory.dmp

Filesize
152KB

Download
memory/2320-5-0x0000000074480000-0x0000000074B6E000-memory.dmp

Filesize
6.9MB

Download
memory/2320-4-0x000000007448E000-0x000000007448F000-memory.dmp

Filesize
4KB

Download
memory/2320-32-0x0000000074480000-0x0000000074B6E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads