471f3fb1a953fab38be3081eb835574694bc72b94f239edc400d1ce3d7a8ecb0

Analysis

max time kernel
1198s
max time network
1200s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 02:43

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General

Target

7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe
Size

161KB
MD5

517d709b1b99fa87ddfe61950a93cf5c
SHA1

2b6da3641ad3c13be272c7e66c938afd5879d65f
SHA256

7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f
SHA512

e23c60821e71704ab77ed8031b025b6ec9065479b766ca9fce2d4e93f1e4e66f7ed821d161890dfd87306408917c82514aaf96506cfc335e2c0bd1166fd1809f
SSDEEP

3072:+dhOdhhyAbz6XdKWf4xEE1ODDl9oz4ilUEPllLBDlWz:+dhw1CZJEQXl9o05EDLBlWz

Score

9^/10

defense_evasion discovery execution impact persistence ransomware

Malware Config

Signatures

Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware defense_evasion impact execution

File Deletion
T1070.004

Inhibit System Recovery
T1490

Windows Management Instrumentation
T1047

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\490523e.exe	explorer.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*90523 = "C:\\490523e\\490523e.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\490523e = "C:\\Users\\Admin\\AppData\\Roaming\\490523e.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*90523e = "C:\\Users\\Admin\\AppData\\Roaming\\490523e.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\490523 = "C:\\490523e\\490523e.exe"	explorer.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2548 set thread context of 2016	2548	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	30

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	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vssadmin.exe

Interacts with shadow copies 3 TTPs 1 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

Direct Volume Access

T1006

pid	Process
2304	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe
2104	explorer.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2016	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe
2104	explorer.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	2816	vssvc.exe
Token: SeRestorePrivilege	2816	vssvc.exe
Token: SeAuditPrivilege	2816	vssvc.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 2016	2548	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	30
PID 2548 wrote to memory of 2016	2548	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	30
PID 2548 wrote to memory of 2016	2548	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	30
PID 2548 wrote to memory of 2016	2548	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	30
PID 2548 wrote to memory of 2016	2548	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	30
PID 2548 wrote to memory of 2016	2548	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	30
PID 2548 wrote to memory of 2016	2548	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	30
PID 2548 wrote to memory of 2016	2548	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	30
PID 2548 wrote to memory of 2016	2548	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	30
PID 2548 wrote to memory of 2016	2548	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	30
PID 2016 wrote to memory of 2104	2016	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	31
PID 2016 wrote to memory of 2104	2016	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	31
PID 2016 wrote to memory of 2104	2016	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	31
PID 2016 wrote to memory of 2104	2016	7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe	31
PID 2104 wrote to memory of 2780	2104	explorer.exe	32
PID 2104 wrote to memory of 2780	2104	explorer.exe	32
PID 2104 wrote to memory of 2780	2104	explorer.exe	32
PID 2104 wrote to memory of 2780	2104	explorer.exe	32
PID 2104 wrote to memory of 2304	2104	explorer.exe	33
PID 2104 wrote to memory of 2304	2104	explorer.exe	33
PID 2104 wrote to memory of 2304	2104	explorer.exe	33
PID 2104 wrote to memory of 2304	2104	explorer.exe	33

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe
"C:\Users\Admin\AppData\Local\Temp\7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Users\Admin\AppData\Local\Temp\7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe
  "C:\Users\Admin\AppData\Local\Temp\7e4c9a7e391be4367d79bd1ab92b748d440e13fd5ca6c0820b30e6e9c670871f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2016
- - C:\Windows\syswow64\explorer.exe
    "C:\Windows\syswow64\explorer.exe"
    3⤵
    - Drops startup file
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:2104
  - - C:\Windows\syswow64\svchost.exe
      -k netsvcs
      4⤵
      System Location Discovery: System Language Discovery
      PID:2780
  - - C:\Windows\syswow64\vssadmin.exe
      vssadmin.exe Delete Shadows /All /Quiet
      4⤵
      System Location Discovery: System Language Discovery
      Interacts with shadow copies
      PID:2304

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

T1047

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Direct Volume Access

T1006

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

memory/2016-17-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2016-2-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2016-12-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2016-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2016-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2016-6-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2016-4-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2016-13-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2016-8-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2104-14-0x0000000000080000-0x00000000000A3000-memory.dmp

Filesize
140KB

Download
memory/2104-18-0x0000000000080000-0x00000000000A3000-memory.dmp

Filesize
140KB

Download
memory/2104-24-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/2104-25-0x0000000000080000-0x00000000000A3000-memory.dmp

Filesize
140KB

Download
memory/2780-22-0x0000000000080000-0x00000000000A3000-memory.dmp

Filesize
140KB

Download
memory/2780-23-0x0000000000080000-0x00000000000A3000-memory.dmp

Filesize
140KB

Download
memory/2780-26-0x0000000000080000-0x00000000000A3000-memory.dmp

Filesize
140KB

Download