5339981168dfcefb874dc7e82563fa7aca047f17b1184ae8db9336a2335473a9

Analysis

max time kernel
151s
max time network
362s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
01-12-2022 05:59

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General

Target

exe.ransomware.babuk/00/99/96/0099963E7285AEAFC09E4214A45A6A210253D514CBD0D4B0C3997647A0AFE879/00999.exe
Size

79KB
MD5

e3dd1eb73e602ea95ad3e325d846d37c
SHA1

a0a4fb4a58f663d2ff12d6efac1b07b63eb03e28
SHA256

0099963e7285aeafc09e4214a45a6a210253d514cbd0d4b0c3997647a0afe879
SHA512

0bac92222143f699a5c01403b6aeefdc8b05fa73928186bee9e8a63d8f9da7486b5e4a5720bade9be17e884f8ef651e3f0bbb0c556b33e330f8788832d22a639
SSDEEP

1536:F6UhZM4hubesrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2zs4:RhZ5YesrQLOJgY8Zp8LHD4XWaNH71dLI

Score

9^/10

ransomware

Malware Config

Signatures

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

File Deletion
T1107

Inhibit System Recovery
T1490

Modifies extensions of user files 10 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

00999.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Pictures\StartTest.raw.crypt	00999.exe
File renamed	C:\Users\Admin\Pictures\UnblockRename.png => C:\Users\Admin\Pictures\UnblockRename.png.crypt	00999.exe
File renamed	C:\Users\Admin\Pictures\StartTest.raw => C:\Users\Admin\Pictures\StartTest.raw.crypt	00999.exe
File opened for modification	C:\Users\Admin\Pictures\UnblockRename.png.crypt	00999.exe
File renamed	C:\Users\Admin\Pictures\CloseNew.crw => C:\Users\Admin\Pictures\CloseNew.crw.crypt	00999.exe
File opened for modification	C:\Users\Admin\Pictures\CloseNew.crw.crypt	00999.exe
File renamed	C:\Users\Admin\Pictures\EnterReset.crw => C:\Users\Admin\Pictures\EnterReset.crw.crypt	00999.exe
File opened for modification	C:\Users\Admin\Pictures\EnterReset.crw.crypt	00999.exe
File renamed	C:\Users\Admin\Pictures\RevokeExit.tif => C:\Users\Admin\Pictures\RevokeExit.tif.crypt	00999.exe
File opened for modification	C:\Users\Admin\Pictures\RevokeExit.tif.crypt	00999.exe

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

00999.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation 00999.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	00999.exe

Enumerates connected drives 3 TTPs 24 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

Processes:

00999.exe

description	ioc	process
File opened (read-only)	\??\P:	00999.exe
File opened (read-only)	\??\H:	00999.exe
File opened (read-only)	\??\X:	00999.exe
File opened (read-only)	\??\M:	00999.exe
File opened (read-only)	\??\Q:	00999.exe
File opened (read-only)	\??\Y:	00999.exe
File opened (read-only)	\??\O:	00999.exe
File opened (read-only)	\??\S:	00999.exe
File opened (read-only)	\??\F:	00999.exe
File opened (read-only)	\??\B:	00999.exe
File opened (read-only)	\??\N:	00999.exe
File opened (read-only)	\??\W:	00999.exe
File opened (read-only)	\??\T:	00999.exe
File opened (read-only)	\??\U:	00999.exe
File opened (read-only)	\??\A:	00999.exe
File opened (read-only)	\??\G:	00999.exe
File opened (read-only)	\??\J:	00999.exe
File opened (read-only)	\??\R:	00999.exe
File opened (read-only)	\??\I:	00999.exe
File opened (read-only)	\??\K:	00999.exe
File opened (read-only)	\??\L:	00999.exe
File opened (read-only)	\??\Z:	00999.exe
File opened (read-only)	\??\V:	00999.exe
File opened (read-only)	\??\E:	00999.exe

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

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
T1107

Inhibit System Recovery
T1490

Processes:

vssadmin.exevssadmin.exe

pid process

1292 vssadmin.exe
1248 vssadmin.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

00999.exe

pid process

3020 00999.exe
3020 00999.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 544 vssvc.exe
Token: SeRestorePrivilege 544 vssvc.exe
Token: SeAuditPrivilege 544 vssvc.exe

pid	process
1292	vssadmin.exe
1248	vssadmin.exe

pid	process
3020	00999.exe
3020	00999.exe

description	pid	process
Token: SeBackupPrivilege	544	vssvc.exe
Token: SeRestorePrivilege	544	vssvc.exe
Token: SeAuditPrivilege	544	vssvc.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

00999.execmd.execmd.exe

description	pid	process	target process
PID 3020 wrote to memory of 3236	3020	00999.exe	cmd.exe
PID 3020 wrote to memory of 3236	3020	00999.exe	cmd.exe
PID 3236 wrote to memory of 1292	3236	cmd.exe	vssadmin.exe
PID 3236 wrote to memory of 1292	3236	cmd.exe	vssadmin.exe
PID 3020 wrote to memory of 2768	3020	00999.exe	cmd.exe
PID 3020 wrote to memory of 2768	3020	00999.exe	cmd.exe
PID 2768 wrote to memory of 1248	2768	cmd.exe	vssadmin.exe
PID 2768 wrote to memory of 1248	2768	cmd.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\exe.ransomware.babuk\00\99\96\0099963E7285AEAFC09E4214A45A6A210253D514CBD0D4B0C3997647A0AFE879\00999.exe
"C:\Users\Admin\AppData\Local\Temp\exe.ransomware.babuk\00\99\96\0099963E7285AEAFC09E4214A45A6A210253D514CBD0D4B0C3997647A0AFE879\00999.exe"
1⤵
- Modifies extensions of user files
- Checks computer location settings
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3236
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:1292
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2768
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:1248

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:544

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

T1107

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

memory/1248-135-0x0000000000000000-mapping.dmp

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memory/1292-133-0x0000000000000000-mapping.dmp

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memory/2768-134-0x0000000000000000-mapping.dmp

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memory/3236-132-0x0000000000000000-mapping.dmp

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