a40626fbe1122175c403f8510e1f6ad41cee213a87ce8252305e32e5071a170a

Analysis

max time kernel
130s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:15

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General

Target

bdae9ff15952ccdfec0be80562f1cbdf.exe
Size

719KB
MD5

bdae9ff15952ccdfec0be80562f1cbdf
SHA1

081b5649ad8548e9a88e9120cdd7e0dc8e4d059a
SHA256

99a630640091456c211b2610370824f5edef06233ef9d5dfe1e3817fe92e4c6a
SHA512

28dc6265286a25188f53370d923288ba790eccf533c7fba3b86a212fe8129059469f3a01e11c3c76c8aa66c400f00058d1e319a9ce01e37e45041aea3d0d703a
SSDEEP

12288:ymmO5pyJZghm45vQXy0kSHMgDZ+5zquHB2qCJtuyHF:ymj5pyIhm45v8y0DwHBOJcYF

Score

10^/10

discovery persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\skype\\skype.exe,"	reg.exe

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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skype.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bdae9ff15952ccdfec0be80562f1cbdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1428	PING.EXE
684	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1428	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2504	bdae9ff15952ccdfec0be80562f1cbdf.exe
2504	bdae9ff15952ccdfec0be80562f1cbdf.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2504	bdae9ff15952ccdfec0be80562f1cbdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2504	bdae9ff15952ccdfec0be80562f1cbdf.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 684	2504	bdae9ff15952ccdfec0be80562f1cbdf.exe	31
PID 2504 wrote to memory of 684	2504	bdae9ff15952ccdfec0be80562f1cbdf.exe	31
PID 2504 wrote to memory of 684	2504	bdae9ff15952ccdfec0be80562f1cbdf.exe	31
PID 2504 wrote to memory of 684	2504	bdae9ff15952ccdfec0be80562f1cbdf.exe	31
PID 684 wrote to memory of 1428	684	cmd.exe	33
PID 684 wrote to memory of 1428	684	cmd.exe	33
PID 684 wrote to memory of 1428	684	cmd.exe	33
PID 684 wrote to memory of 1428	684	cmd.exe	33
PID 2504 wrote to memory of 2452	2504	bdae9ff15952ccdfec0be80562f1cbdf.exe	34
PID 2504 wrote to memory of 2452	2504	bdae9ff15952ccdfec0be80562f1cbdf.exe	34
PID 2504 wrote to memory of 2452	2504	bdae9ff15952ccdfec0be80562f1cbdf.exe	34
PID 2504 wrote to memory of 2452	2504	bdae9ff15952ccdfec0be80562f1cbdf.exe	34
PID 684 wrote to memory of 1804	684	cmd.exe	35
PID 684 wrote to memory of 1804	684	cmd.exe	35
PID 684 wrote to memory of 1804	684	cmd.exe	35
PID 684 wrote to memory of 1804	684	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\bdae9ff15952ccdfec0be80562f1cbdf.exe
"C:\Users\Admin\AppData\Local\Temp\bdae9ff15952ccdfec0be80562f1cbdf.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c ping 127.0.0.1 -n 27 > nul && REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe,"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:684
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 27
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1428
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe,"
    3⤵
    - Modifies WinLogon for persistence
    - System Location Discovery: System Language Discovery
    PID:1804
- C:\Users\Admin\AppData\Local\Temp\skype.exe
  "C:\Users\Admin\AppData\Local\Temp\skype.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2452-6-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2452-8-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2504-0-0x0000000073EDE000-0x0000000073EDF000-memory.dmp

Filesize
4KB

Download
memory/2504-1-0x0000000000880000-0x000000000093A000-memory.dmp

Filesize
744KB

Download
memory/2504-2-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2504-3-0x0000000073EDE000-0x0000000073EDF000-memory.dmp

Filesize
4KB

Download
memory/2504-4-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download
memory/2504-5-0x00000000003E0000-0x0000000000406000-memory.dmp

Filesize
152KB

Download
memory/2504-7-0x0000000073ED0000-0x00000000745BE000-memory.dmp

Filesize
6.9MB

Download