agenttesla | 487a65a744364c95696bf450fe78819afac41980fb6a106231f84aa0835aa5f2

General

Target

PO#98540-00.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
2988	powershell.exe
2752	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-1-5-21-2039016743-699959520-214465309-1000\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 2420 set thread context of 2852	2420	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
2832	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2420	PO#98540-00.exe
2752	powershell.exe
2988	powershell.exe
2420	PO#98540-00.exe
2852	RegSvcs.exe
2852	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2420	PO#98540-00.exe
Token: SeDebugPrivilege	2988	powershell.exe
Token: SeDebugPrivilege	2752	powershell.exe
Token: SeDebugPrivilege	2852	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2852	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2988	2420	PO#98540-00.exe	31
PID 2420 wrote to memory of 2988	2420	PO#98540-00.exe	31
PID 2420 wrote to memory of 2988	2420	PO#98540-00.exe	31
PID 2420 wrote to memory of 2988	2420	PO#98540-00.exe	31
PID 2420 wrote to memory of 2752	2420	PO#98540-00.exe	33
PID 2420 wrote to memory of 2752	2420	PO#98540-00.exe	33
PID 2420 wrote to memory of 2752	2420	PO#98540-00.exe	33
PID 2420 wrote to memory of 2752	2420	PO#98540-00.exe	33
PID 2420 wrote to memory of 2832	2420	PO#98540-00.exe	35
PID 2420 wrote to memory of 2832	2420	PO#98540-00.exe	35
PID 2420 wrote to memory of 2832	2420	PO#98540-00.exe	35
PID 2420 wrote to memory of 2832	2420	PO#98540-00.exe	35
PID 2420 wrote to memory of 2852	2420	PO#98540-00.exe	37
PID 2420 wrote to memory of 2852	2420	PO#98540-00.exe	37
PID 2420 wrote to memory of 2852	2420	PO#98540-00.exe	37
PID 2420 wrote to memory of 2852	2420	PO#98540-00.exe	37
PID 2420 wrote to memory of 2852	2420	PO#98540-00.exe	37
PID 2420 wrote to memory of 2852	2420	PO#98540-00.exe	37
PID 2420 wrote to memory of 2852	2420	PO#98540-00.exe	37
PID 2420 wrote to memory of 2852	2420	PO#98540-00.exe	37
PID 2420 wrote to memory of 2852	2420	PO#98540-00.exe	37
PID 2420 wrote to memory of 2852	2420	PO#98540-00.exe	37
PID 2420 wrote to memory of 2852	2420	PO#98540-00.exe	37
PID 2420 wrote to memory of 2852	2420	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:2420
- 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:2988
- 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:2752
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JRkgWFF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1D50.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2832
- 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:2852

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\tmp1D50.tmp

Filesize
1KB

MD5
e255a838a268cf2507fa1e4e49b98916

SHA1
5ff00e72337d2751f43ab43dc1af75d855b5ad68

SHA256
b5560b2d87d6556e17a9b3bb3ff4b21bfb7055a34f9f043a8c71a3548ee8107b

SHA512
b22629aa67449e7e3e6a1cc435c52c8e0fd14c54ed0288ad8153424d3f854929163bcd1f957dff1c50fdaec1350782b699a7bb3a3df93048325b61be761bdba0

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

Filesize
7KB

MD5
74b8e28b850b7280c06e9a977afe1566

SHA1
1173226b1dd30a396ec532bbb50984b47f9e986e

SHA256
7ad40760dcd42ec7532f82926f597705655fbcd477948de2631033f6cc15bf5b

SHA512
22b77aea71c894184ffb332b2323f54107eab1dbbcc0751faa14fc941ece8e256c51a38685db1270daa05b6f92d733621af9987edf1590445fef8e199264a24a

Download Submit
memory/2420-4-0x000000007402E000-0x000000007402F000-memory.dmp

Filesize
4KB

Download
memory/2420-32-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2420-0-0x000000007402E000-0x000000007402F000-memory.dmp

Filesize
4KB

Download
memory/2420-5-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2420-6-0x0000000000300000-0x0000000000386000-memory.dmp

Filesize
536KB

Download
memory/2420-2-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2420-1-0x0000000000D20000-0x0000000000DD6000-memory.dmp

Filesize
728KB

Download
memory/2420-3-0x00000000006D0000-0x00000000006EE000-memory.dmp

Filesize
120KB

Download
memory/2852-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2852-31-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2852-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2852-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2852-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2852-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2852-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2852-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads