7e7c00740baa58af22ef6f825d86344732464a4e325b5eb6f93f33898de079fa

Analysis

max time kernel
1175s
max time network
905s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 02:36

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General

Target

647f242.exe.vir.exe
Size

209KB
MD5

d43abef5a62b46a660a5128330070479
SHA1

9d60f58fe742dfc93363bd79eff64c337fc5cb23
SHA256

0099510027ecf682b76db6a885c9fa8c2270f6c8e6efded2f52c8860714d0e26
SHA512

5d169c68e0c76b299bd38350c223f43b2f90afd6a7a36d71520954b1cab08a1324aa13aa33be8631c68b7954a2fef484595e4f0867655f371cf379803d22bc82
SSDEEP

3072:fRr1LYTa7G7NojiKJQ7mVzRRG7ul56WeTQtOK9Fgy++Q9utAfXIHH5h:fRhYTay+72cLn8YOK4++ut0If

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\ce4fc02.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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*e4fc02 = "C:\\Users\\Admin\\AppData\\Roaming\\ce4fc02.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\ce4fc0 = "C:\\ce4fc02\\ce4fc02.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*e4fc0 = "C:\\ce4fc02\\ce4fc02.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\ce4fc02 = "C:\\Users\\Admin\\AppData\\Roaming\\ce4fc02.exe"	explorer.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1996 set thread context of 2804	1996	647f242.exe.vir.exe	30

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vssadmin.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	647f242.exe.vir.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	647f242.exe.vir.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.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
1696	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2868	explorer.exe
2868	explorer.exe
2868	explorer.exe
2868	explorer.exe
2868	explorer.exe
2868	explorer.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2804	647f242.exe.vir.exe
2868	explorer.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	2324	vssvc.exe
Token: SeRestorePrivilege	2324	vssvc.exe
Token: SeAuditPrivilege	2324	vssvc.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 2804	1996	647f242.exe.vir.exe	30
PID 1996 wrote to memory of 2804	1996	647f242.exe.vir.exe	30
PID 1996 wrote to memory of 2804	1996	647f242.exe.vir.exe	30
PID 1996 wrote to memory of 2804	1996	647f242.exe.vir.exe	30
PID 1996 wrote to memory of 2804	1996	647f242.exe.vir.exe	30
PID 1996 wrote to memory of 2804	1996	647f242.exe.vir.exe	30
PID 1996 wrote to memory of 2804	1996	647f242.exe.vir.exe	30
PID 1996 wrote to memory of 2804	1996	647f242.exe.vir.exe	30
PID 1996 wrote to memory of 2804	1996	647f242.exe.vir.exe	30
PID 1996 wrote to memory of 2804	1996	647f242.exe.vir.exe	30
PID 2804 wrote to memory of 2868	2804	647f242.exe.vir.exe	31
PID 2804 wrote to memory of 2868	2804	647f242.exe.vir.exe	31
PID 2804 wrote to memory of 2868	2804	647f242.exe.vir.exe	31
PID 2804 wrote to memory of 2868	2804	647f242.exe.vir.exe	31
PID 2868 wrote to memory of 2716	2868	explorer.exe	32
PID 2868 wrote to memory of 2716	2868	explorer.exe	32
PID 2868 wrote to memory of 2716	2868	explorer.exe	32
PID 2868 wrote to memory of 2716	2868	explorer.exe	32
PID 2868 wrote to memory of 1696	2868	explorer.exe	33
PID 2868 wrote to memory of 1696	2868	explorer.exe	33
PID 2868 wrote to memory of 1696	2868	explorer.exe	33
PID 2868 wrote to memory of 1696	2868	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\647f242.exe.vir.exe
"C:\Users\Admin\AppData\Local\Temp\647f242.exe.vir.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Users\Admin\AppData\Local\Temp\647f242.exe.vir.exe
  "C:\Users\Admin\AppData\Local\Temp\647f242.exe.vir.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2804
- - 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:2868
  - - C:\Windows\syswow64\svchost.exe
      -k netsvcs
      4⤵
      System Location Discovery: System Language Discovery
      PID:2716
  - - C:\Windows\syswow64\vssadmin.exe
      vssadmin.exe Delete Shadows /All /Quiet
      4⤵
      System Location Discovery: System Language Discovery
      Interacts with shadow copies
      PID:1696

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2324

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 Information Discovery

T1082

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/2716-22-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2716-25-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2804-6-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2804-13-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2804-12-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2804-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2804-8-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2804-0-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2804-2-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2804-17-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2804-4-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2868-14-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2868-18-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download
memory/2868-23-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2868-24-0x0000000000080000-0x00000000000A0000-memory.dmp

Filesize
128KB

Download