6151571cc0dc23bfe7ade17c11c0a4fe3b1ed334f99a5ba09442067eb0ca9c05

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
28/01/2024, 22:50

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General

Target

3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
Size

216KB
MD5

b07e41f94c221c476ada1fa107ba7b25
SHA1

c377bab4a87b6a9f03b11a57f41919a35796ecdb
SHA256

6151571cc0dc23bfe7ade17c11c0a4fe3b1ed334f99a5ba09442067eb0ca9c05
SHA512

3b5d946d1f341c697a79e9123d86ddc4e422ad1f47693821446a2579087cf4a01b6e991c762af00c4f8faac0ddb55b23e0531a46e874b7ece58a589842f49f16
SSDEEP

3072:m17DaAz38w3vZ7F6PFwgBZTGFKQ+avVe+gGooSlFC2OLKKZAFEMpo4Iv1k:Gb8YF6Pf2KQ+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 (310) 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-1-5-21-2444714103-3190537498-3629098939-1000\desktop.ini	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.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)	\??\E:	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
File opened (read-only)	\??\I:	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
File opened (read-only)	\??\M:	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
File opened (read-only)	\??\Y:	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
File opened (read-only)	\??\P:	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
File opened (read-only)	\??\A:	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
File opened (read-only)	\??\G:	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
File opened (read-only)	\??\J:	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
File opened (read-only)	\??\Z:	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
File opened (read-only)	\??\V:	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
File opened (read-only)	\??\T:	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
File opened (read-only)	\??\U:	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
File opened (read-only)	\??\O:	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
File opened (read-only)	\??\S:	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
File opened (read-only)	\??\L:	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
File opened (read-only)	\??\X:	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
File opened (read-only)	\??\N:	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
File opened (read-only)	\??\Q:	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
File opened (read-only)	\??\W:	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
File opened (read-only)	\??\R:	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
File opened (read-only)	\??\H:	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
File opened (read-only)	\??\K:	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
File opened (read-only)	\??\B:	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe

Modifies boot configuration data using bcdedit 4 IoCs

pid	Process
2236	bcdedit.exe
576	bcdedit.exe
2584	bcdedit.exe
3044	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-1-5-21-2444714103-3190537498-3629098939-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\readme.bmp"	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.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
2688	vssadmin.exe
2592	vssadmin.exe

Modifies Control Panel 2 IoCs

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Control Panel\Desktop\WallpaperStyle = "0"	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Control Panel\Desktop\TileWallpaper = "0"	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2644	WMIC.exe
Token: SeSecurityPrivilege	2644	WMIC.exe
Token: SeTakeOwnershipPrivilege	2644	WMIC.exe
Token: SeLoadDriverPrivilege	2644	WMIC.exe
Token: SeSystemProfilePrivilege	2644	WMIC.exe
Token: SeSystemtimePrivilege	2644	WMIC.exe
Token: SeProfSingleProcessPrivilege	2644	WMIC.exe
Token: SeIncBasePriorityPrivilege	2644	WMIC.exe
Token: SeCreatePagefilePrivilege	2644	WMIC.exe
Token: SeBackupPrivilege	2644	WMIC.exe
Token: SeRestorePrivilege	2644	WMIC.exe
Token: SeShutdownPrivilege	2644	WMIC.exe
Token: SeDebugPrivilege	2644	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2644	WMIC.exe
Token: SeRemoteShutdownPrivilege	2644	WMIC.exe
Token: SeUndockPrivilege	2644	WMIC.exe
Token: SeManageVolumePrivilege	2644	WMIC.exe
Token: 33	2644	WMIC.exe
Token: 34	2644	WMIC.exe
Token: 35	2644	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2644	WMIC.exe
Token: SeSecurityPrivilege	2644	WMIC.exe
Token: SeTakeOwnershipPrivilege	2644	WMIC.exe
Token: SeLoadDriverPrivilege	2644	WMIC.exe
Token: SeSystemProfilePrivilege	2644	WMIC.exe
Token: SeSystemtimePrivilege	2644	WMIC.exe
Token: SeProfSingleProcessPrivilege	2644	WMIC.exe
Token: SeIncBasePriorityPrivilege	2644	WMIC.exe
Token: SeCreatePagefilePrivilege	2644	WMIC.exe
Token: SeBackupPrivilege	2644	WMIC.exe
Token: SeRestorePrivilege	2644	WMIC.exe
Token: SeShutdownPrivilege	2644	WMIC.exe
Token: SeDebugPrivilege	2644	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2644	WMIC.exe
Token: SeRemoteShutdownPrivilege	2644	WMIC.exe
Token: SeUndockPrivilege	2644	WMIC.exe
Token: SeManageVolumePrivilege	2644	WMIC.exe
Token: 33	2644	WMIC.exe
Token: 34	2644	WMIC.exe
Token: 35	2644	WMIC.exe
Token: SeBackupPrivilege	832	vssvc.exe
Token: SeRestorePrivilege	832	vssvc.exe
Token: SeAuditPrivilege	832	vssvc.exe
Token: SeIncreaseQuotaPrivilege	2616	WMIC.exe
Token: SeSecurityPrivilege	2616	WMIC.exe
Token: SeTakeOwnershipPrivilege	2616	WMIC.exe
Token: SeLoadDriverPrivilege	2616	WMIC.exe
Token: SeSystemProfilePrivilege	2616	WMIC.exe
Token: SeSystemtimePrivilege	2616	WMIC.exe
Token: SeProfSingleProcessPrivilege	2616	WMIC.exe
Token: SeIncBasePriorityPrivilege	2616	WMIC.exe
Token: SeCreatePagefilePrivilege	2616	WMIC.exe
Token: SeBackupPrivilege	2616	WMIC.exe
Token: SeRestorePrivilege	2616	WMIC.exe
Token: SeShutdownPrivilege	2616	WMIC.exe
Token: SeDebugPrivilege	2616	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2616	WMIC.exe
Token: SeRemoteShutdownPrivilege	2616	WMIC.exe
Token: SeUndockPrivilege	2616	WMIC.exe
Token: SeManageVolumePrivilege	2616	WMIC.exe
Token: 33	2616	WMIC.exe
Token: 34	2616	WMIC.exe
Token: 35	2616	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2616	WMIC.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 2232	2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe	29
PID 2252 wrote to memory of 2232	2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe	29
PID 2252 wrote to memory of 2232	2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe	29
PID 2252 wrote to memory of 272	2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe	31
PID 2252 wrote to memory of 272	2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe	31
PID 2252 wrote to memory of 272	2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe	31
PID 2252 wrote to memory of 1340	2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe	33
PID 2252 wrote to memory of 1340	2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe	33
PID 2252 wrote to memory of 1340	2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe	33
PID 2252 wrote to memory of 2300	2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe	34
PID 2252 wrote to memory of 2300	2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe	34
PID 2252 wrote to memory of 2300	2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe	34
PID 272 wrote to memory of 2644	272	cmd.exe	37
PID 272 wrote to memory of 2644	272	cmd.exe	37
PID 272 wrote to memory of 2644	272	cmd.exe	37
PID 2300 wrote to memory of 2236	2300	cmd.exe	39
PID 2300 wrote to memory of 2236	2300	cmd.exe	39
PID 2300 wrote to memory of 2236	2300	cmd.exe	39
PID 2232 wrote to memory of 2688	2232	cmd.exe	38
PID 2232 wrote to memory of 2688	2232	cmd.exe	38
PID 2232 wrote to memory of 2688	2232	cmd.exe	38
PID 1340 wrote to memory of 576	1340	cmd.exe	40
PID 1340 wrote to memory of 576	1340	cmd.exe	40
PID 1340 wrote to memory of 576	1340	cmd.exe	40
PID 2252 wrote to memory of 1684	2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe	45
PID 2252 wrote to memory of 1684	2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe	45
PID 2252 wrote to memory of 1684	2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe	45
PID 2252 wrote to memory of 2868	2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe	47
PID 2252 wrote to memory of 2868	2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe	47
PID 2252 wrote to memory of 2868	2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe	47
PID 2252 wrote to memory of 2844	2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe	49
PID 2252 wrote to memory of 2844	2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe	49
PID 2252 wrote to memory of 2844	2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe	49
PID 2252 wrote to memory of 2596	2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe	51
PID 2252 wrote to memory of 2596	2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe	51
PID 2252 wrote to memory of 2596	2252	3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe	51
PID 1684 wrote to memory of 2592	1684	cmd.exe	52
PID 1684 wrote to memory of 2592	1684	cmd.exe	52
PID 1684 wrote to memory of 2592	1684	cmd.exe	52
PID 2844 wrote to memory of 2584	2844	cmd.exe	54
PID 2844 wrote to memory of 2584	2844	cmd.exe	54
PID 2844 wrote to memory of 2584	2844	cmd.exe	54
PID 2868 wrote to memory of 2616	2868	cmd.exe	55
PID 2868 wrote to memory of 2616	2868	cmd.exe	55
PID 2868 wrote to memory of 2616	2868	cmd.exe	55
PID 2596 wrote to memory of 3044	2596	cmd.exe	56
PID 2596 wrote to memory of 3044	2596	cmd.exe	56
PID 2596 wrote to memory of 3044	2596	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\3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.exe
"C:\Users\Admin\AppData\Local\Temp\3c8c9c76f29e8e2932812347d7fd4fc90594429832f77fdc3bfa1599afd62582.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:2252
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2232
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2688
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c wmic SHADOWCOPY DELETE
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:272
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic SHADOWCOPY DELETE
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2644
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } recoveryenabled No
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1340
- - C:\Windows\system32\bcdedit.exe
    bcdedit / set{ default } recoveryenabled No
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:576
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } bootstatuspolicy ignoreallfailures
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2300
- - C:\Windows\system32\bcdedit.exe
    bcdedit / set{ default } bootstatuspolicy ignoreallfailures
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:2236
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1684
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2592
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c wmic SHADOWCOPY DELETE
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2868
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic SHADOWCOPY DELETE
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2616
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } recoveryenabled No
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2844
- - C:\Windows\system32\bcdedit.exe
    bcdedit / set{ default } recoveryenabled No
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:2584
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } bootstatuspolicy ignoreallfailures
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2596
- - C:\Windows\system32\bcdedit.exe
    bcdedit / set{ default } bootstatuspolicy ignoreallfailures
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:3044

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:832

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

Loading Replay Monitor...

Downloads

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

Filesize
1KB

MD5
b05e32b7e78e82f01f6f0c7d1411ee67

SHA1
2e1dda46f8561858b378d19a24b839062f794274

SHA256
f058bc2a88431119f286f2708751f25449dc1d58e1c87de3bb38aff764c814a8

SHA512
6cb7c842a48b9f982ac87280ded95e206e2b9055f9f51ea84f6060470a61a35decbb688650c0d6b7c318df018078af0c0a1afe0ce65db1b460d75ae7800e2d3c

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