agenttesla | 004af6a9a8743250057ea5199c4764ab4d0c472babc5bfbb3b37beb74a4ca986

General

Target

scan_865784.scr
Size

762KB
MD5

ab81060e67501bc08bd8a3f9bac5367f
SHA1

f877625633f98d1f42c50e37006f808aa61630ba
SHA256

7ef4c75ee4a5f3b7f2ac44323d9ba15bcd24f5d0b9e3e04dc330dc6cde421b7c
SHA512

61782aa2dc9663cdeb016a0b0dac91cbb4eaee8f293a1f96486539dae32c144643b299c87745657ad0682208aa5586e1ad3340e62f99f371dbdc683eb3b2717a
SSDEEP

12288:VUxAdWvsd2eUUHd8GX5b+EE203zQeDZDr0ZeVN1csr8qHv0U3TB39:VUxpa2ZUHd8GXhE20DnFf0MVNrnPx39

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.fosna.net
Port:
21
Username:
[email protected]
Password:
(=8fPSH$KO_!

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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
2468	powershell.exe
2936	powershell.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

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 1712 set thread context of 2700	1712	scan_865784.scr	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	scan_865784.scr
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	vbc.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
2664	schtasks.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
1712	scan_865784.scr
1712	scan_865784.scr
1712	scan_865784.scr
1712	scan_865784.scr
1712	scan_865784.scr
1712	scan_865784.scr
1712	scan_865784.scr
1712	scan_865784.scr
1712	scan_865784.scr
1712	scan_865784.scr
1712	scan_865784.scr
1712	scan_865784.scr
1712	scan_865784.scr
1712	scan_865784.scr
1712	scan_865784.scr
1712	scan_865784.scr
2468	powershell.exe
2936	powershell.exe
1712	scan_865784.scr
2700	vbc.exe
2700	vbc.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1712	scan_865784.scr
Token: SeDebugPrivilege	2936	powershell.exe
Token: SeDebugPrivilege	2468	powershell.exe
Token: SeDebugPrivilege	2700	vbc.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 2468	1712	scan_865784.scr	31
PID 1712 wrote to memory of 2468	1712	scan_865784.scr	31
PID 1712 wrote to memory of 2468	1712	scan_865784.scr	31
PID 1712 wrote to memory of 2468	1712	scan_865784.scr	31
PID 1712 wrote to memory of 2936	1712	scan_865784.scr	33
PID 1712 wrote to memory of 2936	1712	scan_865784.scr	33
PID 1712 wrote to memory of 2936	1712	scan_865784.scr	33
PID 1712 wrote to memory of 2936	1712	scan_865784.scr	33
PID 1712 wrote to memory of 2664	1712	scan_865784.scr	34
PID 1712 wrote to memory of 2664	1712	scan_865784.scr	34
PID 1712 wrote to memory of 2664	1712	scan_865784.scr	34
PID 1712 wrote to memory of 2664	1712	scan_865784.scr	34
PID 1712 wrote to memory of 2700	1712	scan_865784.scr	37
PID 1712 wrote to memory of 2700	1712	scan_865784.scr	37
PID 1712 wrote to memory of 2700	1712	scan_865784.scr	37
PID 1712 wrote to memory of 2700	1712	scan_865784.scr	37
PID 1712 wrote to memory of 2700	1712	scan_865784.scr	37
PID 1712 wrote to memory of 2700	1712	scan_865784.scr	37
PID 1712 wrote to memory of 2700	1712	scan_865784.scr	37
PID 1712 wrote to memory of 2700	1712	scan_865784.scr	37
PID 1712 wrote to memory of 2700	1712	scan_865784.scr	37

C:\Users\Admin\AppData\Local\Temp\scan_865784.scr
"C:\Users\Admin\AppData\Local\Temp\scan_865784.scr" /S
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1712
- 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\scan_865784.scr"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2468
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jUTthTUyPiZyGH.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2936
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jUTthTUyPiZyGH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4E8D.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2664
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

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

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4E8D.tmp

Filesize
1KB

MD5
5299d804bb45206dbc3a7b169c845b6e

SHA1
dcfc2f04ca301c6b6655bccc850fc4b1a9878e9c

SHA256
1bade0f73421a25dba3d9ea38cfa91e3fec6654289cb524676622cb324a5f6ad

SHA512
cb2893ecaf46bec31b96c85264d34797f3c5cf9f02716ec7b020c74bea367c474adad7303aa5b8eaaa22094ba6e07b8738ce9dfd70382085d22ee335a9e31fa4

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\7K4OMP1IBXMDYVU0I1K8.temp

Filesize
7KB

MD5
548ef8e3ac219ffe115afec076adc2ca

SHA1
15318791858ecb894199287e5331043195de1945

SHA256
48471fb9df75e105f274764a68d28eb812479eaa8f5debc90933d63d56e7debb

SHA512
90b6bc6b67f5a658b698c8b9ef8418d9a65df4b80335d844d96721b838a4b2004eb642ee7283752ec9916c59f64f657da91b05975d4e9190ed78fdca8f1e688d

Download Submit
memory/1712-4-0x0000000074E2E000-0x0000000074E2F000-memory.dmp

Filesize
4KB

Download
memory/1712-32-0x0000000074E20000-0x000000007550E000-memory.dmp

Filesize
6.9MB

Download
memory/1712-0-0x0000000074E2E000-0x0000000074E2F000-memory.dmp

Filesize
4KB

Download
memory/1712-5-0x0000000074E20000-0x000000007550E000-memory.dmp

Filesize
6.9MB

Download
memory/1712-6-0x00000000004F0000-0x0000000000574000-memory.dmp

Filesize
528KB

Download
memory/1712-2-0x0000000074E20000-0x000000007550E000-memory.dmp

Filesize
6.9MB

Download
memory/1712-1-0x0000000000850000-0x0000000000914000-memory.dmp

Filesize
784KB

Download
memory/1712-3-0x0000000000610000-0x000000000062E000-memory.dmp

Filesize
120KB

Download
memory/2700-27-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2700-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2700-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2700-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2700-31-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2700-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2700-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2700-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads