fbf217ab8daaecf8825f65ba068b39fc031c859a69c1a619ee464dba27631db0

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
28/01/2024, 23:04

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
Size

216KB
MD5

89bd7a775337d96d0aca2a87107ebd93
SHA1

5e1d95de8db5d25ecc91bf92add8dc7cc908e984
SHA256

fbf217ab8daaecf8825f65ba068b39fc031c859a69c1a619ee464dba27631db0
SHA512

270bb3b08e28016f7f18f35334287ffd87bdb11ab71774e2f11130bc2c211a3784c57e6629d8c4d5aa687f161fdee59016fc7155df4bdb7e80ab955f4f091011
SSDEEP

3072:m17DaAz38w3vl7F6PFwgBZTGFKQ+avVe+gGooSlFC2OLKKZAFEMpo4Iv1k:Gb8EF6Pf2KQ+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 (307) 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	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.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)	\??\W:	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
File opened (read-only)	\??\P:	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
File opened (read-only)	\??\L:	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
File opened (read-only)	\??\V:	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
File opened (read-only)	\??\N:	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
File opened (read-only)	\??\E:	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
File opened (read-only)	\??\A:	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
File opened (read-only)	\??\H:	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
File opened (read-only)	\??\Z:	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
File opened (read-only)	\??\B:	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
File opened (read-only)	\??\J:	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
File opened (read-only)	\??\Q:	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
File opened (read-only)	\??\R:	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
File opened (read-only)	\??\Y:	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
File opened (read-only)	\??\U:	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
File opened (read-only)	\??\I:	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
File opened (read-only)	\??\O:	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
File opened (read-only)	\??\S:	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
File opened (read-only)	\??\K:	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
File opened (read-only)	\??\M:	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
File opened (read-only)	\??\T:	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
File opened (read-only)	\??\G:	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
File opened (read-only)	\??\X:	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe

Modifies boot configuration data using bcdedit 4 IoCs

pid	Process
3068	bcdedit.exe
3036	bcdedit.exe
2672	bcdedit.exe
2564	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"	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.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
2760	vssadmin.exe
2052	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"	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Control Panel\Desktop\TileWallpaper = "0"	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2796	WMIC.exe
Token: SeSecurityPrivilege	2796	WMIC.exe
Token: SeTakeOwnershipPrivilege	2796	WMIC.exe
Token: SeLoadDriverPrivilege	2796	WMIC.exe
Token: SeSystemProfilePrivilege	2796	WMIC.exe
Token: SeSystemtimePrivilege	2796	WMIC.exe
Token: SeProfSingleProcessPrivilege	2796	WMIC.exe
Token: SeIncBasePriorityPrivilege	2796	WMIC.exe
Token: SeCreatePagefilePrivilege	2796	WMIC.exe
Token: SeBackupPrivilege	2796	WMIC.exe
Token: SeRestorePrivilege	2796	WMIC.exe
Token: SeShutdownPrivilege	2796	WMIC.exe
Token: SeDebugPrivilege	2796	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2796	WMIC.exe
Token: SeRemoteShutdownPrivilege	2796	WMIC.exe
Token: SeUndockPrivilege	2796	WMIC.exe
Token: SeManageVolumePrivilege	2796	WMIC.exe
Token: 33	2796	WMIC.exe
Token: 34	2796	WMIC.exe
Token: 35	2796	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2796	WMIC.exe
Token: SeSecurityPrivilege	2796	WMIC.exe
Token: SeTakeOwnershipPrivilege	2796	WMIC.exe
Token: SeLoadDriverPrivilege	2796	WMIC.exe
Token: SeSystemProfilePrivilege	2796	WMIC.exe
Token: SeSystemtimePrivilege	2796	WMIC.exe
Token: SeProfSingleProcessPrivilege	2796	WMIC.exe
Token: SeIncBasePriorityPrivilege	2796	WMIC.exe
Token: SeCreatePagefilePrivilege	2796	WMIC.exe
Token: SeBackupPrivilege	2796	WMIC.exe
Token: SeRestorePrivilege	2796	WMIC.exe
Token: SeShutdownPrivilege	2796	WMIC.exe
Token: SeDebugPrivilege	2796	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2796	WMIC.exe
Token: SeRemoteShutdownPrivilege	2796	WMIC.exe
Token: SeUndockPrivilege	2796	WMIC.exe
Token: SeManageVolumePrivilege	2796	WMIC.exe
Token: 33	2796	WMIC.exe
Token: 34	2796	WMIC.exe
Token: 35	2796	WMIC.exe
Token: SeBackupPrivilege	2676	vssvc.exe
Token: SeRestorePrivilege	2676	vssvc.exe
Token: SeAuditPrivilege	2676	vssvc.exe
Token: SeIncreaseQuotaPrivilege	2204	WMIC.exe
Token: SeSecurityPrivilege	2204	WMIC.exe
Token: SeTakeOwnershipPrivilege	2204	WMIC.exe
Token: SeLoadDriverPrivilege	2204	WMIC.exe
Token: SeSystemProfilePrivilege	2204	WMIC.exe
Token: SeSystemtimePrivilege	2204	WMIC.exe
Token: SeProfSingleProcessPrivilege	2204	WMIC.exe
Token: SeIncBasePriorityPrivilege	2204	WMIC.exe
Token: SeCreatePagefilePrivilege	2204	WMIC.exe
Token: SeBackupPrivilege	2204	WMIC.exe
Token: SeRestorePrivilege	2204	WMIC.exe
Token: SeShutdownPrivilege	2204	WMIC.exe
Token: SeDebugPrivilege	2204	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2204	WMIC.exe
Token: SeRemoteShutdownPrivilege	2204	WMIC.exe
Token: SeUndockPrivilege	2204	WMIC.exe
Token: SeManageVolumePrivilege	2204	WMIC.exe
Token: 33	2204	WMIC.exe
Token: 34	2204	WMIC.exe
Token: 35	2204	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2204	WMIC.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 2520	2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe	25
PID 2236 wrote to memory of 2520	2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe	25
PID 2236 wrote to memory of 2520	2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe	25
PID 2236 wrote to memory of 2828	2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe	23
PID 2236 wrote to memory of 2828	2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe	23
PID 2236 wrote to memory of 2828	2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe	23
PID 2236 wrote to memory of 2276	2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe	18
PID 2236 wrote to memory of 2276	2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe	18
PID 2236 wrote to memory of 2276	2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe	18
PID 2236 wrote to memory of 2460	2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe	20
PID 2236 wrote to memory of 2460	2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe	20
PID 2236 wrote to memory of 2460	2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe	20
PID 2520 wrote to memory of 2760	2520	cmd.exe	21
PID 2520 wrote to memory of 2760	2520	cmd.exe	21
PID 2520 wrote to memory of 2760	2520	cmd.exe	21
PID 2460 wrote to memory of 3036	2460	cmd.exe	40
PID 2460 wrote to memory of 3036	2460	cmd.exe	40
PID 2460 wrote to memory of 3036	2460	cmd.exe	40
PID 2828 wrote to memory of 2796	2828	cmd.exe	41
PID 2828 wrote to memory of 2796	2828	cmd.exe	41
PID 2828 wrote to memory of 2796	2828	cmd.exe	41
PID 2276 wrote to memory of 3068	2276	cmd.exe	39
PID 2276 wrote to memory of 3068	2276	cmd.exe	39
PID 2276 wrote to memory of 3068	2276	cmd.exe	39
PID 2236 wrote to memory of 2952	2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe	45
PID 2236 wrote to memory of 2952	2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe	45
PID 2236 wrote to memory of 2952	2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe	45
PID 2236 wrote to memory of 1880	2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe	48
PID 2236 wrote to memory of 1880	2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe	48
PID 2236 wrote to memory of 1880	2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe	48
PID 2236 wrote to memory of 2232	2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe	52
PID 2236 wrote to memory of 2232	2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe	52
PID 2236 wrote to memory of 2232	2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe	52
PID 2236 wrote to memory of 2784	2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe	49
PID 2236 wrote to memory of 2784	2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe	49
PID 2236 wrote to memory of 2784	2236	4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe	49
PID 1880 wrote to memory of 2204	1880	cmd.exe	56
PID 1880 wrote to memory of 2204	1880	cmd.exe	56
PID 1880 wrote to memory of 2204	1880	cmd.exe	56
PID 2232 wrote to memory of 2672	2232	cmd.exe	53
PID 2232 wrote to memory of 2672	2232	cmd.exe	53
PID 2232 wrote to memory of 2672	2232	cmd.exe	53
PID 2784 wrote to memory of 2564	2784	cmd.exe	55
PID 2784 wrote to memory of 2564	2784	cmd.exe	55
PID 2784 wrote to memory of 2564	2784	cmd.exe	55
PID 2952 wrote to memory of 2052	2952	cmd.exe	54
PID 2952 wrote to memory of 2052	2952	cmd.exe	54
PID 2952 wrote to memory of 2052	2952	cmd.exe	54

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\4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.exe
"C:\Users\Admin\AppData\Local\Temp\4a11b257b2c12a77e16e5d2ba735d24a3092ba52773be43520b1fecb253ad764.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:2236
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } recoveryenabled No
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2276
- - C:\Windows\system32\bcdedit.exe
    bcdedit / set{ default } recoveryenabled No
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:3068
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } bootstatuspolicy ignoreallfailures
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2460
- - C:\Windows\system32\bcdedit.exe
    bcdedit / set{ default } bootstatuspolicy ignoreallfailures
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:3036
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c wmic SHADOWCOPY DELETE
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2828
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic SHADOWCOPY DELETE
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2796
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2520
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2952
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2052
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c wmic SHADOWCOPY DELETE
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1880
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic SHADOWCOPY DELETE
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2204
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } bootstatuspolicy ignoreallfailures
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Windows\system32\bcdedit.exe
    bcdedit / set{ default } bootstatuspolicy ignoreallfailures
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:2564
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } recoveryenabled No
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2232
- - C:\Windows\system32\bcdedit.exe
    bcdedit / set{ default } recoveryenabled No
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:2672

C:\Windows\system32\vssadmin.exe
vssadmin.exe delete shadows /all /quiet
1⤵
- Interacts with shadow copies
PID:2760

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2676

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\WhatHappened.txt

Filesize
1KB

MD5
b05e32b7e78e82f01f6f0c7d1411ee67

SHA1
2e1dda46f8561858b378d19a24b839062f794274

SHA256
f058bc2a88431119f286f2708751f25449dc1d58e1c87de3bb38aff764c814a8

SHA512
6cb7c842a48b9f982ac87280ded95e206e2b9055f9f51ea84f6060470a61a35decbb688650c0d6b7c318df018078af0c0a1afe0ce65db1b460d75ae7800e2d3c

Download Submit