agenttesla | 932a9d7b2aaf4bf741ab52af310f53c9d6af40caaecbf3edf0ebf2b1c05c296a

General

Target

JfsmpBIQ1LgMUAk.exe
Size

927KB
MD5

652d25f38f4ed183acf9b013cb2a2275
SHA1

7c8860477a60b6332f2bc71a585e9886dac153f6
SHA256

39631d4807643ffd35ec654d308f01a920fef38ba977d94969cbd6bdeb81b607
SHA512

d92c7cd916f0c429370e7bcfaa6fb373268083de2190081971bb9b95f6bf6efea402d54ea9a3d2419d570dc1b02ab2129387c906c428aba44ec245bffc6d970b
SSDEEP

12288:S54f2Vu4HSyBykosI4DS1zAfm+c238ZF4DyzpUpMTgyQEbMPku+l0CPP:m447yr4izAfo2MH4DyzpKzvVPd+p

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6852245174:AAHgk_9s-tH6YNacTaCnQz56uJMggI0fZDw/

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
2676	powershell.exe
2820	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 3 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

Credentials from Web Browsers
T1555.003

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1800 set thread context of 2584	1800	JfsmpBIQ1LgMUAk.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	JfsmpBIQ1LgMUAk.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	JfsmpBIQ1LgMUAk.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
2692	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1800	JfsmpBIQ1LgMUAk.exe
1800	JfsmpBIQ1LgMUAk.exe
1800	JfsmpBIQ1LgMUAk.exe
1800	JfsmpBIQ1LgMUAk.exe
1800	JfsmpBIQ1LgMUAk.exe
1800	JfsmpBIQ1LgMUAk.exe
1800	JfsmpBIQ1LgMUAk.exe
2584	JfsmpBIQ1LgMUAk.exe
2584	JfsmpBIQ1LgMUAk.exe
2676	powershell.exe
2820	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1800	JfsmpBIQ1LgMUAk.exe
Token: SeDebugPrivilege	2584	JfsmpBIQ1LgMUAk.exe
Token: SeDebugPrivilege	2820	powershell.exe
Token: SeDebugPrivilege	2676	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2584	JfsmpBIQ1LgMUAk.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 2676	1800	JfsmpBIQ1LgMUAk.exe	31
PID 1800 wrote to memory of 2676	1800	JfsmpBIQ1LgMUAk.exe	31
PID 1800 wrote to memory of 2676	1800	JfsmpBIQ1LgMUAk.exe	31
PID 1800 wrote to memory of 2676	1800	JfsmpBIQ1LgMUAk.exe	31
PID 1800 wrote to memory of 2820	1800	JfsmpBIQ1LgMUAk.exe	33
PID 1800 wrote to memory of 2820	1800	JfsmpBIQ1LgMUAk.exe	33
PID 1800 wrote to memory of 2820	1800	JfsmpBIQ1LgMUAk.exe	33
PID 1800 wrote to memory of 2820	1800	JfsmpBIQ1LgMUAk.exe	33
PID 1800 wrote to memory of 2692	1800	JfsmpBIQ1LgMUAk.exe	34
PID 1800 wrote to memory of 2692	1800	JfsmpBIQ1LgMUAk.exe	34
PID 1800 wrote to memory of 2692	1800	JfsmpBIQ1LgMUAk.exe	34
PID 1800 wrote to memory of 2692	1800	JfsmpBIQ1LgMUAk.exe	34
PID 1800 wrote to memory of 2584	1800	JfsmpBIQ1LgMUAk.exe	37
PID 1800 wrote to memory of 2584	1800	JfsmpBIQ1LgMUAk.exe	37
PID 1800 wrote to memory of 2584	1800	JfsmpBIQ1LgMUAk.exe	37
PID 1800 wrote to memory of 2584	1800	JfsmpBIQ1LgMUAk.exe	37
PID 1800 wrote to memory of 2584	1800	JfsmpBIQ1LgMUAk.exe	37
PID 1800 wrote to memory of 2584	1800	JfsmpBIQ1LgMUAk.exe	37
PID 1800 wrote to memory of 2584	1800	JfsmpBIQ1LgMUAk.exe	37
PID 1800 wrote to memory of 2584	1800	JfsmpBIQ1LgMUAk.exe	37
PID 1800 wrote to memory of 2584	1800	JfsmpBIQ1LgMUAk.exe	37

C:\Users\Admin\AppData\Local\Temp\JfsmpBIQ1LgMUAk.exe
"C:\Users\Admin\AppData\Local\Temp\JfsmpBIQ1LgMUAk.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1800
- 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\JfsmpBIQ1LgMUAk.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2676
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ikqjdSvJltAjUw.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2820
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ikqjdSvJltAjUw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3A23.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2692
- C:\Users\Admin\AppData\Local\Temp\JfsmpBIQ1LgMUAk.exe
  "C:\Users\Admin\AppData\Local\Temp\JfsmpBIQ1LgMUAk.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2584

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

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

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\tmp3A23.tmp

Filesize
1KB

MD5
d83f16eb7e56177c16fc7d19b3da000d

SHA1
9f1e725c2d435aec8610a1143499d6498ad702de

SHA256
66eeedb17e1f89fa18c706172747545e3cbf8ef389de0f791c894ad2800f81f3

SHA512
8e119426f20bd1e41f780d601dfdc891adcdd945180855e18b66052fd4ee1fe58031b17551db28de1280084c8429914329f724bd42c77b7c5b8e313d76f54b13

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

Filesize
7KB

MD5
21d3eca6a155fb16e9cb7ac774f12cce

SHA1
d17cb1dec6bd6a3904aba531b9002cfc981e671c

SHA256
8ab42a69e07f81057bba7a8bd0a54a20eccfb01425e244cd8c86290316f7ee48

SHA512
fa31ba1c0cdbbcb30d2128f93d055e4598c0120de180af7376c0946ddb5a18d5cdb7ece2a66097c2d8fd1f96d71103f55d70b6022ac75c24b1756abb30dc2f03

Download Submit
memory/1800-4-0x000000007426E000-0x000000007426F000-memory.dmp

Filesize
4KB

Download
memory/1800-32-0x0000000074260000-0x000000007494E000-memory.dmp

Filesize
6.9MB

Download
memory/1800-0-0x000000007426E000-0x000000007426F000-memory.dmp

Filesize
4KB

Download
memory/1800-5-0x0000000074260000-0x000000007494E000-memory.dmp

Filesize
6.9MB

Download
memory/1800-6-0x0000000000690000-0x0000000000718000-memory.dmp

Filesize
544KB

Download
memory/1800-2-0x0000000074260000-0x000000007494E000-memory.dmp

Filesize
6.9MB

Download
memory/1800-1-0x00000000002C0000-0x00000000003AE000-memory.dmp

Filesize
952KB

Download
memory/1800-3-0x0000000002020000-0x0000000002046000-memory.dmp

Filesize
152KB

Download
memory/2584-19-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2584-31-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2584-28-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2584-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2584-25-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2584-23-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2584-21-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2584-29-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads