35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
23-01-2024 09:13

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General

Target

35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
Size

216KB
MD5

ffcfffa70d78255f3d5bc1897c36538c
SHA1

989855e5e7cbe4bb297dff57a75c4da5e8a9b45e
SHA256

35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35
SHA512

b7368170c463ab4120cafde6849ea1ba61f6b6ff20dde225607819585f35387528492b7034d1b6ca14ede2d9197c9427b3e4b5fbeb7e612f23c44c768b194cc4
SSDEEP

3072:h17DaAz38w3vX7F6PFwgBZTGFKQ+avVe+gGooSlFC2OLKKZAFEMpo4Iv1k:Fb8iF6Pf2KQ+aVB2fJqh4Id

Score

9^/10

ransomware

Malware Config

Signatures

Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1070.004

Inhibit System Recovery
T1490
Renames multiple (275) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	\??\M:\$RECYCLE.BIN\S-1-5-21-3601492379-692465709-652514833-1000\desktop.ini	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\J:	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
File opened (read-only)	\??\K:	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
File opened (read-only)	\??\L:	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
File opened (read-only)	\??\V:	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
File opened (read-only)	\??\G:	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
File opened (read-only)	\??\X:	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
File opened (read-only)	\??\B:	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
File opened (read-only)	\??\A:	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
File opened (read-only)	\??\W:	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
File opened (read-only)	\??\E:	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
File opened (read-only)	\??\R:	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
File opened (read-only)	\??\U:	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
File opened (read-only)	\??\P:	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
File opened (read-only)	\??\S:	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
File opened (read-only)	\??\Z:	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
File opened (read-only)	\??\Q:	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
File opened (read-only)	\??\M:	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
File opened (read-only)	\??\N:	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
File opened (read-only)	\??\Y:	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
File opened (read-only)	\??\I:	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
File opened (read-only)	\??\O:	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
File opened (read-only)	\??\H:	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
File opened (read-only)	\??\T:	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe

Modifies boot configuration data using bcdedit 4 IoCs

pid	Process
2356	bcdedit.exe
1868	bcdedit.exe
2572	bcdedit.exe
2468	bcdedit.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\readme.bmp"	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Interacts with shadow copies 2 TTPs 2 IoCs

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

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

pid	Process
2152	vssadmin.exe
2672	vssadmin.exe

Modifies Control Panel 2 IoCs

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Control Panel\Desktop\WallpaperStyle = "0"	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Control Panel\Desktop\TileWallpaper = "0"	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeBackupPrivilege	2440	vssvc.exe
Token: SeRestorePrivilege	2440	vssvc.exe
Token: SeAuditPrivilege	2440	vssvc.exe
Token: SeIncreaseQuotaPrivilege	2292	WMIC.exe
Token: SeSecurityPrivilege	2292	WMIC.exe
Token: SeTakeOwnershipPrivilege	2292	WMIC.exe
Token: SeLoadDriverPrivilege	2292	WMIC.exe
Token: SeSystemProfilePrivilege	2292	WMIC.exe
Token: SeSystemtimePrivilege	2292	WMIC.exe
Token: SeProfSingleProcessPrivilege	2292	WMIC.exe
Token: SeIncBasePriorityPrivilege	2292	WMIC.exe
Token: SeCreatePagefilePrivilege	2292	WMIC.exe
Token: SeBackupPrivilege	2292	WMIC.exe
Token: SeRestorePrivilege	2292	WMIC.exe
Token: SeShutdownPrivilege	2292	WMIC.exe
Token: SeDebugPrivilege	2292	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2292	WMIC.exe
Token: SeRemoteShutdownPrivilege	2292	WMIC.exe
Token: SeUndockPrivilege	2292	WMIC.exe
Token: SeManageVolumePrivilege	2292	WMIC.exe
Token: 33	2292	WMIC.exe
Token: 34	2292	WMIC.exe
Token: 35	2292	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2292	WMIC.exe
Token: SeSecurityPrivilege	2292	WMIC.exe
Token: SeTakeOwnershipPrivilege	2292	WMIC.exe
Token: SeLoadDriverPrivilege	2292	WMIC.exe
Token: SeSystemProfilePrivilege	2292	WMIC.exe
Token: SeSystemtimePrivilege	2292	WMIC.exe
Token: SeProfSingleProcessPrivilege	2292	WMIC.exe
Token: SeIncBasePriorityPrivilege	2292	WMIC.exe
Token: SeCreatePagefilePrivilege	2292	WMIC.exe
Token: SeBackupPrivilege	2292	WMIC.exe
Token: SeRestorePrivilege	2292	WMIC.exe
Token: SeShutdownPrivilege	2292	WMIC.exe
Token: SeDebugPrivilege	2292	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2292	WMIC.exe
Token: SeRemoteShutdownPrivilege	2292	WMIC.exe
Token: SeUndockPrivilege	2292	WMIC.exe
Token: SeManageVolumePrivilege	2292	WMIC.exe
Token: 33	2292	WMIC.exe
Token: 34	2292	WMIC.exe
Token: 35	2292	WMIC.exe
Token: SeIncreaseQuotaPrivilege	784	WMIC.exe
Token: SeSecurityPrivilege	784	WMIC.exe
Token: SeTakeOwnershipPrivilege	784	WMIC.exe
Token: SeLoadDriverPrivilege	784	WMIC.exe
Token: SeSystemProfilePrivilege	784	WMIC.exe
Token: SeSystemtimePrivilege	784	WMIC.exe
Token: SeProfSingleProcessPrivilege	784	WMIC.exe
Token: SeIncBasePriorityPrivilege	784	WMIC.exe
Token: SeCreatePagefilePrivilege	784	WMIC.exe
Token: SeBackupPrivilege	784	WMIC.exe
Token: SeRestorePrivilege	784	WMIC.exe
Token: SeShutdownPrivilege	784	WMIC.exe
Token: SeDebugPrivilege	784	WMIC.exe
Token: SeSystemEnvironmentPrivilege	784	WMIC.exe
Token: SeRemoteShutdownPrivilege	784	WMIC.exe
Token: SeUndockPrivilege	784	WMIC.exe
Token: SeManageVolumePrivilege	784	WMIC.exe
Token: 33	784	WMIC.exe
Token: 34	784	WMIC.exe
Token: 35	784	WMIC.exe
Token: SeIncreaseQuotaPrivilege	784	WMIC.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 2532	2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe	30
PID 2976 wrote to memory of 2532	2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe	30
PID 2976 wrote to memory of 2532	2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe	30
PID 2976 wrote to memory of 1300	2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe	31
PID 2976 wrote to memory of 1300	2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe	31
PID 2976 wrote to memory of 1300	2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe	31
PID 2976 wrote to memory of 2480	2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe	33
PID 2976 wrote to memory of 2480	2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe	33
PID 2976 wrote to memory of 2480	2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe	33
PID 2532 wrote to memory of 2152	2532	cmd.exe	35
PID 2532 wrote to memory of 2152	2532	cmd.exe	35
PID 2532 wrote to memory of 2152	2532	cmd.exe	35
PID 2976 wrote to memory of 2728	2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe	36
PID 2976 wrote to memory of 2728	2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe	36
PID 2976 wrote to memory of 2728	2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe	36
PID 2728 wrote to memory of 1868	2728	cmd.exe	41
PID 2728 wrote to memory of 1868	2728	cmd.exe	41
PID 2728 wrote to memory of 1868	2728	cmd.exe	41
PID 2480 wrote to memory of 2356	2480	cmd.exe	39
PID 2480 wrote to memory of 2356	2480	cmd.exe	39
PID 2480 wrote to memory of 2356	2480	cmd.exe	39
PID 1300 wrote to memory of 2292	1300	cmd.exe	40
PID 1300 wrote to memory of 2292	1300	cmd.exe	40
PID 1300 wrote to memory of 2292	1300	cmd.exe	40
PID 2976 wrote to memory of 1928	2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe	45
PID 2976 wrote to memory of 1928	2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe	45
PID 2976 wrote to memory of 1928	2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe	45
PID 2976 wrote to memory of 1744	2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe	46
PID 2976 wrote to memory of 1744	2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe	46
PID 2976 wrote to memory of 1744	2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe	46
PID 2976 wrote to memory of 2396	2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe	49
PID 2976 wrote to memory of 2396	2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe	49
PID 2976 wrote to memory of 2396	2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe	49
PID 2976 wrote to memory of 1636	2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe	51
PID 2976 wrote to memory of 1636	2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe	51
PID 2976 wrote to memory of 1636	2976	35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe	51
PID 1744 wrote to memory of 784	1744	cmd.exe	53
PID 1744 wrote to memory of 784	1744	cmd.exe	53
PID 1744 wrote to memory of 784	1744	cmd.exe	53
PID 2396 wrote to memory of 2572	2396	cmd.exe	54
PID 2396 wrote to memory of 2572	2396	cmd.exe	54
PID 2396 wrote to memory of 2572	2396	cmd.exe	54
PID 1928 wrote to memory of 2672	1928	cmd.exe	55
PID 1928 wrote to memory of 2672	1928	cmd.exe	55
PID 1928 wrote to memory of 2672	1928	cmd.exe	55
PID 1636 wrote to memory of 2468	1636	cmd.exe	56
PID 1636 wrote to memory of 2468	1636	cmd.exe	56
PID 1636 wrote to memory of 2468	1636	cmd.exe	56

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\35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe
"C:\Users\Admin\AppData\Local\Temp\35fa9b1988d365407bdff9c243caf9697bd3961d09bb04f158b9719a08fd3e35.exe"
1⤵
- Drops desktop.ini file(s)
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2532
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2152
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c wmic SHADOWCOPY DELETE
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1300
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic SHADOWCOPY DELETE
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2292
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } recoveryenabled No
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2480
- - C:\Windows\system32\bcdedit.exe
    bcdedit / set{ default } recoveryenabled No
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:2356
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } bootstatuspolicy ignoreallfailures
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2728
- - C:\Windows\system32\bcdedit.exe
    bcdedit / set{ default } bootstatuspolicy ignoreallfailures
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:1868
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1928
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2672
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c wmic SHADOWCOPY DELETE
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1744
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic SHADOWCOPY DELETE
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:784
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } recoveryenabled No
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2396
- - C:\Windows\system32\bcdedit.exe
    bcdedit / set{ default } recoveryenabled No
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:2572
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } bootstatuspolicy ignoreallfailures
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1636
- - C:\Windows\system32\bcdedit.exe
    bcdedit / set{ default } bootstatuspolicy ignoreallfailures
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:2468

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2440

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

T1491

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

C:\ProgramData\Adobe\Acrobat\WhatHappened.txt

Filesize
1KB

MD5
b05e32b7e78e82f01f6f0c7d1411ee67

SHA1
2e1dda46f8561858b378d19a24b839062f794274

SHA256
f058bc2a88431119f286f2708751f25449dc1d58e1c87de3bb38aff764c814a8

SHA512
6cb7c842a48b9f982ac87280ded95e206e2b9055f9f51ea84f6060470a61a35decbb688650c0d6b7c318df018078af0c0a1afe0ce65db1b460d75ae7800e2d3c

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