e9b99706a9b48b09974dd18c1af8a0e402ccddcaa0c91edf43fdd838128a7408

Analysis

max time kernel
299s
max time network
306s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 02:14

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General

Target

263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe
Size

215KB
MD5

f97d91f8aebbce4628664231184af5a1
SHA1

19cbbf718826377ae342f7dd1dbee68d5dfb30f8
SHA256

263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032
SHA512

786a72e6f41d84555061ee1a15dfa68046c5f676ed911ad86303f99d64c607b60f2ba424cefaa2a0ea5e61d9d2aa019b930b150e4d9ab0969c2d1d345aa0f1b3
SSDEEP

3072:JwJbQEHr/KGapjJzx15Ggz8DhGljxPaxXoyAq7NlCQ+VInzgYL8V3ZKJb8E1s1e8:eLLYpjzTzqUljx8XrAHY0YYEf4f

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

Processes:

explorer.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dd0964d.exe explorer.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dd0964d.exe	explorer.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\dd0964 = "C:\\dd0964d\\dd0964d.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*d0964 = "C:\\dd0964d\\dd0964d.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\dd0964d = "C:\\Users\\Admin\\AppData\\Roaming\\dd0964d.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*d0964d = "C:\\Users\\Admin\\AppData\\Roaming\\dd0964d.exe"	explorer.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe

description	pid	process	target process
PID 1448 set thread context of 2784	1448	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe

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

Processes:

explorer.exesvchost.exevssadmin.exe263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe

description	ioc	process
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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.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

Processes:

vssadmin.exe

pid process

2580 vssadmin.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

explorer.exe

pid process

2772 explorer.exe
2772 explorer.exe
2772 explorer.exe
2772 explorer.exe
2772 explorer.exe
2772 explorer.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exeexplorer.exe

pid process

2784 263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe
2772 explorer.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 2628 vssvc.exe
Token: SeRestorePrivilege 2628 vssvc.exe
Token: SeAuditPrivilege 2628 vssvc.exe

pid	process
2580	vssadmin.exe

pid	process
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe

pid	process
2784	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe
2772	explorer.exe

description	pid	process
Token: SeBackupPrivilege	2628	vssvc.exe
Token: SeRestorePrivilege	2628	vssvc.exe
Token: SeAuditPrivilege	2628	vssvc.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exeexplorer.exe

description	pid	process	target process
PID 1448 wrote to memory of 2784	1448	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe
PID 1448 wrote to memory of 2784	1448	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe
PID 1448 wrote to memory of 2784	1448	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe
PID 1448 wrote to memory of 2784	1448	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe
PID 1448 wrote to memory of 2784	1448	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe
PID 1448 wrote to memory of 2784	1448	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe
PID 1448 wrote to memory of 2784	1448	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe
PID 1448 wrote to memory of 2784	1448	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe
PID 1448 wrote to memory of 2784	1448	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe
PID 1448 wrote to memory of 2784	1448	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe
PID 2784 wrote to memory of 2772	2784	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe	explorer.exe
PID 2784 wrote to memory of 2772	2784	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe	explorer.exe
PID 2784 wrote to memory of 2772	2784	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe	explorer.exe
PID 2784 wrote to memory of 2772	2784	263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe	explorer.exe
PID 2772 wrote to memory of 2588	2772	explorer.exe	svchost.exe
PID 2772 wrote to memory of 2588	2772	explorer.exe	svchost.exe
PID 2772 wrote to memory of 2588	2772	explorer.exe	svchost.exe
PID 2772 wrote to memory of 2588	2772	explorer.exe	svchost.exe
PID 2772 wrote to memory of 2580	2772	explorer.exe	vssadmin.exe
PID 2772 wrote to memory of 2580	2772	explorer.exe	vssadmin.exe
PID 2772 wrote to memory of 2580	2772	explorer.exe	vssadmin.exe
PID 2772 wrote to memory of 2580	2772	explorer.exe	vssadmin.exe

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\263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe
"C:\Users\Admin\AppData\Local\Temp\263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Users\Admin\AppData\Local\Temp\263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe
  "C:\Users\Admin\AppData\Local\Temp\263fc6fc9efa4c05a08d9ff1fc7bb060a7b8f376f82afa17fd3fc267bc8e8032.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2784
- - 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:2772
  - - C:\Windows\syswow64\svchost.exe
      -k netsvcs
      4⤵
      System Location Discovery: System Language Discovery
      PID:2588
  - - C:\Windows\syswow64\vssadmin.exe
      vssadmin.exe Delete Shadows /All /Quiet
      4⤵
      System Location Discovery: System Language Discovery
      Interacts with shadow copies
      PID:2580

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2628

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/2588-25-0x0000000000110000-0x0000000000134000-memory.dmp

Filesize
144KB

Download
memory/2588-22-0x0000000000110000-0x0000000000134000-memory.dmp

Filesize
144KB

Download
memory/2588-21-0x0000000000110000-0x0000000000134000-memory.dmp

Filesize
144KB

Download
memory/2772-13-0x0000000000080000-0x00000000000A4000-memory.dmp

Filesize
144KB

Download
memory/2772-24-0x0000000000080000-0x00000000000A4000-memory.dmp

Filesize
144KB

Download
memory/2772-23-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2772-17-0x0000000000080000-0x00000000000A4000-memory.dmp

Filesize
144KB

Download
memory/2784-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2784-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2784-2-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2784-4-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2784-6-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2784-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2784-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2784-12-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download