2f348d6a86b7c5196f1e8e44de7e4f4716707af48367e3746e960bf0099c8fdf

Analysis

max time kernel
112s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/09/2024, 13:02

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General

Target

3edf17f985bf68be123edc894fd61190N.exe
Size

5.7MB
MD5

3edf17f985bf68be123edc894fd61190
SHA1

8e2cd7b91073c1d792972742b89974f3ccfec3c7
SHA256

2f348d6a86b7c5196f1e8e44de7e4f4716707af48367e3746e960bf0099c8fdf
SHA512

051a23653fbae90df49e28f8a059eee681e7c19ae33df3be865929332a84a14ed198979fbbcaa410cfa78900f8384bb8a0dbf40fc873ffe8c0f703c0738208e4
SSDEEP

98304:gCQUA1OjhJTlBR1AebLrfjBevMu9Rqxkgn6lnwOmQvcQunlmoixgeXueb1:gCPhh1RrbLrfjBYRFbnR1EQunlmokgeb

Score

9^/10

defense_evasion execution impact ransomware upx

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

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2612-0-0x00007FF734A00000-0x00007FF735510000-memory.dmp	upx
behavioral2/memory/3008-5-0x00007FF734A00000-0x00007FF735510000-memory.dmp	upx
behavioral2/memory/2612-7-0x00007FF734A00000-0x00007FF735510000-memory.dmp	upx

Drops file in System32 directory 7 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\wbem\repository\OBJECTS.DATA	svchost.exe
File opened for modification	C:\Windows\system32\wbem\repository\INDEX.BTR	svchost.exe
File opened for modification	C:\Windows\system32\wbem\repository	svchost.exe
File opened for modification	C:\Windows\system32\wbem\repository\WRITABLE.TST	svchost.exe
File opened for modification	C:\Windows\system32\wbem\repository\MAPPING1.MAP	svchost.exe
File opened for modification	C:\Windows\system32\wbem\repository\MAPPING2.MAP	svchost.exe
File opened for modification	C:\Windows\system32\wbem\repository\MAPPING3.MAP	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2612 set thread context of 3008	2612	3edf17f985bf68be123edc894fd61190N.exe	88

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
3028	ipconfig.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
3000	vssadmin.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3008	3edf17f985bf68be123edc894fd61190N.exe
3008	3edf17f985bf68be123edc894fd61190N.exe
3008	3edf17f985bf68be123edc894fd61190N.exe
3008	3edf17f985bf68be123edc894fd61190N.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3008	3edf17f985bf68be123edc894fd61190N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	2612	3edf17f985bf68be123edc894fd61190N.exe
Token: SeLoadDriverPrivilege	3008	3edf17f985bf68be123edc894fd61190N.exe
Token: SeBackupPrivilege	4400	vssvc.exe
Token: SeRestorePrivilege	4400	vssvc.exe
Token: SeAuditPrivilege	4400	vssvc.exe
Token: SeAssignPrimaryTokenPrivilege	5008	svchost.exe
Token: SeIncreaseQuotaPrivilege	5008	svchost.exe
Token: SeSecurityPrivilege	5008	svchost.exe
Token: SeTakeOwnershipPrivilege	5008	svchost.exe
Token: SeLoadDriverPrivilege	5008	svchost.exe
Token: SeBackupPrivilege	5008	svchost.exe
Token: SeRestorePrivilege	5008	svchost.exe
Token: SeShutdownPrivilege	5008	svchost.exe
Token: SeSystemEnvironmentPrivilege	5008	svchost.exe
Token: SeManageVolumePrivilege	5008	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	5008	svchost.exe
Token: SeIncreaseQuotaPrivilege	5008	svchost.exe
Token: SeSecurityPrivilege	5008	svchost.exe
Token: SeTakeOwnershipPrivilege	5008	svchost.exe
Token: SeLoadDriverPrivilege	5008	svchost.exe
Token: SeSystemtimePrivilege	5008	svchost.exe
Token: SeBackupPrivilege	5008	svchost.exe
Token: SeRestorePrivilege	5008	svchost.exe
Token: SeShutdownPrivilege	5008	svchost.exe
Token: SeSystemEnvironmentPrivilege	5008	svchost.exe
Token: SeUndockPrivilege	5008	svchost.exe
Token: SeManageVolumePrivilege	5008	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	5008	svchost.exe
Token: SeIncreaseQuotaPrivilege	5008	svchost.exe
Token: SeSecurityPrivilege	5008	svchost.exe
Token: SeTakeOwnershipPrivilege	5008	svchost.exe
Token: SeLoadDriverPrivilege	5008	svchost.exe
Token: SeSystemtimePrivilege	5008	svchost.exe
Token: SeBackupPrivilege	5008	svchost.exe
Token: SeRestorePrivilege	5008	svchost.exe
Token: SeShutdownPrivilege	5008	svchost.exe
Token: SeSystemEnvironmentPrivilege	5008	svchost.exe
Token: SeUndockPrivilege	5008	svchost.exe
Token: SeManageVolumePrivilege	5008	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	5008	svchost.exe
Token: SeIncreaseQuotaPrivilege	5008	svchost.exe
Token: SeSecurityPrivilege	5008	svchost.exe
Token: SeTakeOwnershipPrivilege	5008	svchost.exe
Token: SeLoadDriverPrivilege	5008	svchost.exe
Token: SeSystemtimePrivilege	5008	svchost.exe
Token: SeBackupPrivilege	5008	svchost.exe
Token: SeRestorePrivilege	5008	svchost.exe
Token: SeShutdownPrivilege	5008	svchost.exe
Token: SeSystemEnvironmentPrivilege	5008	svchost.exe
Token: SeUndockPrivilege	5008	svchost.exe
Token: SeManageVolumePrivilege	5008	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	5008	svchost.exe
Token: SeIncreaseQuotaPrivilege	5008	svchost.exe
Token: SeSecurityPrivilege	5008	svchost.exe
Token: SeTakeOwnershipPrivilege	5008	svchost.exe
Token: SeLoadDriverPrivilege	5008	svchost.exe
Token: SeSystemtimePrivilege	5008	svchost.exe
Token: SeBackupPrivilege	5008	svchost.exe
Token: SeRestorePrivilege	5008	svchost.exe
Token: SeShutdownPrivilege	5008	svchost.exe
Token: SeSystemEnvironmentPrivilege	5008	svchost.exe
Token: SeUndockPrivilege	5008	svchost.exe
Token: SeManageVolumePrivilege	5008	svchost.exe
Token: SeAssignPrimaryTokenPrivilege	5008	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3008	3edf17f985bf68be123edc894fd61190N.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2612 wrote to memory of 3008	2612	3edf17f985bf68be123edc894fd61190N.exe	88
PID 2612 wrote to memory of 3008	2612	3edf17f985bf68be123edc894fd61190N.exe	88
PID 2612 wrote to memory of 3008	2612	3edf17f985bf68be123edc894fd61190N.exe	88
PID 2612 wrote to memory of 3008	2612	3edf17f985bf68be123edc894fd61190N.exe	88
PID 2612 wrote to memory of 3008	2612	3edf17f985bf68be123edc894fd61190N.exe	88
PID 2612 wrote to memory of 3008	2612	3edf17f985bf68be123edc894fd61190N.exe	88
PID 2612 wrote to memory of 3008	2612	3edf17f985bf68be123edc894fd61190N.exe	88
PID 2612 wrote to memory of 3008	2612	3edf17f985bf68be123edc894fd61190N.exe	88
PID 2612 wrote to memory of 3008	2612	3edf17f985bf68be123edc894fd61190N.exe	88
PID 2612 wrote to memory of 3008	2612	3edf17f985bf68be123edc894fd61190N.exe	88
PID 2612 wrote to memory of 3008	2612	3edf17f985bf68be123edc894fd61190N.exe	88
PID 2612 wrote to memory of 3008	2612	3edf17f985bf68be123edc894fd61190N.exe	88
PID 3008 wrote to memory of 3028	3008	3edf17f985bf68be123edc894fd61190N.exe	89
PID 3008 wrote to memory of 3028	3008	3edf17f985bf68be123edc894fd61190N.exe	89
PID 3008 wrote to memory of 1740	3008	3edf17f985bf68be123edc894fd61190N.exe	90
PID 3008 wrote to memory of 1740	3008	3edf17f985bf68be123edc894fd61190N.exe	90
PID 3008 wrote to memory of 3000	3008	3edf17f985bf68be123edc894fd61190N.exe	91
PID 3008 wrote to memory of 3000	3008	3edf17f985bf68be123edc894fd61190N.exe	91
PID 1740 wrote to memory of 1876	1740	net.exe	95
PID 1740 wrote to memory of 1876	1740	net.exe	95

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\3edf17f985bf68be123edc894fd61190N.exe
"C:\Users\Admin\AppData\Local\Temp\3edf17f985bf68be123edc894fd61190N.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2612
- C:\Users\Admin\AppData\Local\Temp\3edf17f985bf68be123edc894fd61190N.exe
  "C:\Users\Admin\AppData\Local\Temp\3edf17f985bf68be123edc894fd61190N.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3008
- - C:\Windows\SYSTEM32\ipconfig.exe
    ipconfig /flushdns
    3⤵
    - Gathers network information
    PID:3028
- - C:\Windows\SYSTEM32\net.exe
    net stop winmgmt /Y
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1740
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 stop winmgmt /Y
      4⤵
      PID:1876
- - C:\Windows\SYSTEM32\vssadmin.exe
    vssadmin delete shadows /All /Quiet
    3⤵
    - Interacts with shadow copies
    PID:3000

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4400

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:5008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Management Instrumentation

T1047

Persistence

Privilege Escalation

Defense Evasion

Direct Volume Access

T1006

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

memory/2612-0-0x00007FF734A00000-0x00007FF735510000-memory.dmp

Filesize
11.1MB

Download
memory/2612-7-0x00007FF734A00000-0x00007FF735510000-memory.dmp

Filesize
11.1MB

Download
memory/3008-1-0x0000000140000000-0x00000001404A2000-memory.dmp

Filesize
4.6MB

Download
memory/3008-5-0x00007FF734A00000-0x00007FF735510000-memory.dmp

Filesize
11.1MB

Download
memory/3008-6-0x0000000140000000-0x00000001404A2000-memory.dmp

Filesize
4.6MB

Download
memory/3008-2-0x0000000140000000-0x00000001404A2000-memory.dmp

Filesize
4.6MB

Download
memory/3008-3-0x0000000140000000-0x00000001404A2000-memory.dmp

Filesize
4.6MB

Download
memory/3008-8-0x0000000140000000-0x00000001404A2000-memory.dmp

Filesize
4.6MB

Download
memory/3008-9-0x0000000140000000-0x00000001404A2000-memory.dmp

Filesize
4.6MB

Download
memory/3008-10-0x0000000140000000-0x00000001404A2000-memory.dmp

Filesize
4.6MB

Download