agenttesla | 887f393b62c6c4b69e81cfc772397619082d936dd38cbcbc0f54b623ef871af6

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
796	powershell.exe
2916	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-1-5-21-3551809350-4263495960-1443967649-1000\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 2664 set thread context of 2180	2664	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
2768	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2664	PO#98540-00.exe
2664	PO#98540-00.exe
2180	RegSvcs.exe
2180	RegSvcs.exe
2916	powershell.exe
796	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2664	PO#98540-00.exe
Token: SeDebugPrivilege	2180	RegSvcs.exe
Token: SeDebugPrivilege	796	powershell.exe
Token: SeDebugPrivilege	2916	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2180	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 796	2664	PO#98540-00.exe	31
PID 2664 wrote to memory of 796	2664	PO#98540-00.exe	31
PID 2664 wrote to memory of 796	2664	PO#98540-00.exe	31
PID 2664 wrote to memory of 796	2664	PO#98540-00.exe	31
PID 2664 wrote to memory of 2916	2664	PO#98540-00.exe	33
PID 2664 wrote to memory of 2916	2664	PO#98540-00.exe	33
PID 2664 wrote to memory of 2916	2664	PO#98540-00.exe	33
PID 2664 wrote to memory of 2916	2664	PO#98540-00.exe	33
PID 2664 wrote to memory of 2768	2664	PO#98540-00.exe	35
PID 2664 wrote to memory of 2768	2664	PO#98540-00.exe	35
PID 2664 wrote to memory of 2768	2664	PO#98540-00.exe	35
PID 2664 wrote to memory of 2768	2664	PO#98540-00.exe	35
PID 2664 wrote to memory of 2180	2664	PO#98540-00.exe	37
PID 2664 wrote to memory of 2180	2664	PO#98540-00.exe	37
PID 2664 wrote to memory of 2180	2664	PO#98540-00.exe	37
PID 2664 wrote to memory of 2180	2664	PO#98540-00.exe	37
PID 2664 wrote to memory of 2180	2664	PO#98540-00.exe	37
PID 2664 wrote to memory of 2180	2664	PO#98540-00.exe	37
PID 2664 wrote to memory of 2180	2664	PO#98540-00.exe	37
PID 2664 wrote to memory of 2180	2664	PO#98540-00.exe	37
PID 2664 wrote to memory of 2180	2664	PO#98540-00.exe	37
PID 2664 wrote to memory of 2180	2664	PO#98540-00.exe	37
PID 2664 wrote to memory of 2180	2664	PO#98540-00.exe	37
PID 2664 wrote to memory of 2180	2664	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:2664
- 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:796
- 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:2916
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fxdUmOSelzT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp23E5.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2768
- 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:2180

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\tmp23E5.tmp

Filesize
1KB

MD5
57a6ec78574876ecb4a1eb0497be300e

SHA1
5db299bf35af7d09ab392b02b57377ed78830885

SHA256
8bdaf268ca53ddaf30f0412880629677af6469284eba9be44da4c8705332c3d0

SHA512
d28482bb63b9b6362bdbce43b2992e181914b59a576ff31c4368b2587d9c4b67454e3b1eb3b098c8409937a4e14ffe07e08f0124752ba72c083a5763b9fa1638

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

Filesize
7KB

MD5
19bbb61aff26d846c7c2fce354f63555

SHA1
b06958296fb3ddc56d79d54f70b99fdaccb165af

SHA256
84386e7eda9c5a2cb9082e62295d11ac58d510992f6089d472f4e687efcb2ac0

SHA512
06ab04b87574f425590c96b99811b162396b46f76658f00ebf2698d2907957e8468c04ea1acc6d1f03b75bf532d951114031520088e8ee9ed8e01e0d316c5558

Download Submit
memory/2180-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2180-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2180-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2180-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2180-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2180-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2180-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2180-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2664-6-0x0000000000200000-0x0000000000286000-memory.dmp

Filesize
536KB

Download
memory/2664-1-0x00000000009A0000-0x0000000000A72000-memory.dmp

Filesize
840KB

Download
memory/2664-0-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

Filesize
4KB

Download
memory/2664-2-0x0000000074CB0000-0x000000007539E000-memory.dmp

Filesize
6.9MB

Download
memory/2664-3-0x0000000000310000-0x0000000000336000-memory.dmp

Filesize
152KB

Download
memory/2664-31-0x0000000074CB0000-0x000000007539E000-memory.dmp

Filesize
6.9MB

Download
memory/2664-5-0x0000000074CB0000-0x000000007539E000-memory.dmp

Filesize
6.9MB

Download
memory/2664-4-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads