agenttesla | 84f0d8dc70167b92ecd20d985853064f6b0af8eaf3a39736256c3da225c06ec6

General

Target

image_25.exe
Size

769KB
MD5

e46e492f9d98a484988f6f250c259fff
SHA1

276527beffd70654b3b3ebdf8f65721a9834efc5
SHA256

4ca5d1f4f3b52383886d6338b63b138961fc496a70a98c4e2e0a1bf1d6f646d6
SHA512

0ad7851651f57747e815e8e70dc04da14fe6d0d96f6cffcf69858e57e7ff90133dacc308751edc177945678fe1cacebb6ecca285b32d82a162f9e397df03168a
SSDEEP

12288:P4PyCJVMC1T7mTDesFxz1+ZHDhNOONb8i3HMl9sn0XMWR/whOxf87h:QPyCJVzpqDesZ+VDhNOOxV30tXRpwws

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
2892	powershell.exe
2752	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 1680 set thread context of 2628	1680	image_25.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	image_25.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	image_25.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
1220	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1680	image_25.exe
1680	image_25.exe
1680	image_25.exe
1680	image_25.exe
1680	image_25.exe
1680	image_25.exe
1680	image_25.exe
2628	image_25.exe
2628	image_25.exe
2752	powershell.exe
2892	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1680	image_25.exe
Token: SeDebugPrivilege	2628	image_25.exe
Token: SeDebugPrivilege	2752	powershell.exe
Token: SeDebugPrivilege	2892	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2628	image_25.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 2892	1680	image_25.exe	31
PID 1680 wrote to memory of 2892	1680	image_25.exe	31
PID 1680 wrote to memory of 2892	1680	image_25.exe	31
PID 1680 wrote to memory of 2892	1680	image_25.exe	31
PID 1680 wrote to memory of 2752	1680	image_25.exe	33
PID 1680 wrote to memory of 2752	1680	image_25.exe	33
PID 1680 wrote to memory of 2752	1680	image_25.exe	33
PID 1680 wrote to memory of 2752	1680	image_25.exe	33
PID 1680 wrote to memory of 1220	1680	image_25.exe	34
PID 1680 wrote to memory of 1220	1680	image_25.exe	34
PID 1680 wrote to memory of 1220	1680	image_25.exe	34
PID 1680 wrote to memory of 1220	1680	image_25.exe	34
PID 1680 wrote to memory of 2628	1680	image_25.exe	37
PID 1680 wrote to memory of 2628	1680	image_25.exe	37
PID 1680 wrote to memory of 2628	1680	image_25.exe	37
PID 1680 wrote to memory of 2628	1680	image_25.exe	37
PID 1680 wrote to memory of 2628	1680	image_25.exe	37
PID 1680 wrote to memory of 2628	1680	image_25.exe	37
PID 1680 wrote to memory of 2628	1680	image_25.exe	37
PID 1680 wrote to memory of 2628	1680	image_25.exe	37
PID 1680 wrote to memory of 2628	1680	image_25.exe	37

C:\Users\Admin\AppData\Local\Temp\image_25.exe
"C:\Users\Admin\AppData\Local\Temp\image_25.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1680
- 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\image_25.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2892
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OElBPHSPcFu.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\OElBPHSPcFu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3C55.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1220
- C:\Users\Admin\AppData\Local\Temp\image_25.exe
  "C:\Users\Admin\AppData\Local\Temp\image_25.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2628

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\tmp3C55.tmp

Filesize
1KB

MD5
8ac61d9b7c9974f0ce979fa57fbd4365

SHA1
c40dd01d54095756f00b02af61846a828df27acf

SHA256
46251b4da9ec1e9d101849b0930d7a1a98ab26cefaba2a09c8ef733cdf27b3fb

SHA512
ecdf6b55fcce46ce4a2b944e14dbf70d5fba31a22901ada22c398876c9ede95dc2bec62ac3cb0fc416edf3a5fcd032cb38f172859060bee393f1ebd5287ab101

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

Filesize
7KB

MD5
0039a92fcd8a69ac8cdb4bb683ddd47a

SHA1
c77b407d96666ffa8b287e4b76efc7047ea7d95a

SHA256
7ae6697300d61d6a3b648eda29e345bdf758428c7a20e102accd344d1f435138

SHA512
56409ad109e025837ab1f85befab92e6d1c14f4b1e14aa5ae2521fbf5e5c38264eef20ae3a1bddda978acba39bd144b98a1dbd43389a9d6155ab56587a79b846

Download Submit
memory/1680-4-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

Filesize
4KB

Download
memory/1680-32-0x0000000074DE0000-0x00000000754CE000-memory.dmp

Filesize
6.9MB

Download
memory/1680-0-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

Filesize
4KB

Download
memory/1680-5-0x0000000074DE0000-0x00000000754CE000-memory.dmp

Filesize
6.9MB

Download
memory/1680-6-0x0000000005C40000-0x0000000005CC8000-memory.dmp

Filesize
544KB

Download
memory/1680-2-0x0000000074DE0000-0x00000000754CE000-memory.dmp

Filesize
6.9MB

Download
memory/1680-1-0x0000000001330000-0x00000000013F6000-memory.dmp

Filesize
792KB

Download
memory/1680-3-0x0000000000530000-0x0000000000542000-memory.dmp

Filesize
72KB

Download
memory/2628-21-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2628-28-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2628-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2628-23-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2628-19-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2628-25-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2628-31-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2628-29-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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