babuk | 1a8cc49359906456588745440b5378bcaeaf606b1fe52128d46aacb2658985f8

General

Target

admin-panel.exe
Size

79KB
MD5

566b19ddc6c735e6b8bd24d766b27d95
SHA1

18cf7b695f958a48fb54fe8faca8c72e9709bc40
SHA256

1a8cc49359906456588745440b5378bcaeaf606b1fe52128d46aacb2658985f8
SHA512

570f1ae1e156965dbad7f37afe05b6f5db55e716964452f73cc5f3fef81e5e90e8d55b1539ab6545462a05dbef47b9b7bf0d319eecd1414666d3ae8563fa38c6

Score

10^/10

babuk ransomware

Malware Config

Signatures

Babuk Locker
RaaS first seen in 2021 initially called Vasa Locker.
ransomware babuk
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 13 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

admin-panel.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Pictures\RenameRestart.tiff	admin-panel.exe
File renamed	C:\Users\Admin\Pictures\ProtectConfirm.png => C:\Users\Admin\Pictures\ProtectConfirm.png.babyk	admin-panel.exe
File renamed	C:\Users\Admin\Pictures\RenameRestart.tiff => C:\Users\Admin\Pictures\RenameRestart.tiff.babyk	admin-panel.exe
File renamed	C:\Users\Admin\Pictures\RenameStep.png => C:\Users\Admin\Pictures\RenameStep.png.babyk	admin-panel.exe
File opened for modification	C:\Users\Admin\Pictures\RegisterUninstall.png.babyk	admin-panel.exe
File opened for modification	C:\Users\Admin\Pictures\RenameStep.png.babyk	admin-panel.exe
File opened for modification	C:\Users\Admin\Pictures\CompleteResolve.crw.babyk	admin-panel.exe
File renamed	C:\Users\Admin\Pictures\RegisterUninstall.png => C:\Users\Admin\Pictures\RegisterUninstall.png.babyk	admin-panel.exe
File opened for modification	C:\Users\Admin\Pictures\ProtectConfirm.png.babyk	admin-panel.exe
File opened for modification	C:\Users\Admin\Pictures\RenameRestart.tiff.babyk	admin-panel.exe
File renamed	C:\Users\Admin\Pictures\StopInvoke.png => C:\Users\Admin\Pictures\StopInvoke.png.babyk	admin-panel.exe
File opened for modification	C:\Users\Admin\Pictures\StopInvoke.png.babyk	admin-panel.exe
File renamed	C:\Users\Admin\Pictures\CompleteResolve.crw => C:\Users\Admin\Pictures\CompleteResolve.crw.babyk	admin-panel.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:

admin-panel.exe

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

988 vssadmin.exe
1624 vssadmin.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

admin-panel.exe

pid process

1100 admin-panel.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1988 vssvc.exe
Token: SeRestorePrivilege 1988 vssvc.exe
Token: SeAuditPrivilege 1988 vssvc.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

NOTEPAD.EXE

pid process

1552 NOTEPAD.EXE

pid	process
988	vssadmin.exe
1624	vssadmin.exe

pid	process
1100	admin-panel.exe

description	pid	process
Token: SeBackupPrivilege	1988	vssvc.exe
Token: SeRestorePrivilege	1988	vssvc.exe
Token: SeAuditPrivilege	1988	vssvc.exe

pid	process
1552	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

admin-panel.execmd.execmd.exe

description	pid	process	target process
PID 1100 wrote to memory of 1952	1100	admin-panel.exe	cmd.exe
PID 1100 wrote to memory of 1952	1100	admin-panel.exe	cmd.exe
PID 1100 wrote to memory of 1952	1100	admin-panel.exe	cmd.exe
PID 1100 wrote to memory of 1952	1100	admin-panel.exe	cmd.exe
PID 1952 wrote to memory of 988	1952	cmd.exe	vssadmin.exe
PID 1952 wrote to memory of 988	1952	cmd.exe	vssadmin.exe
PID 1952 wrote to memory of 988	1952	cmd.exe	vssadmin.exe
PID 1100 wrote to memory of 1200	1100	admin-panel.exe	cmd.exe
PID 1100 wrote to memory of 1200	1100	admin-panel.exe	cmd.exe
PID 1100 wrote to memory of 1200	1100	admin-panel.exe	cmd.exe
PID 1100 wrote to memory of 1200	1100	admin-panel.exe	cmd.exe
PID 1200 wrote to memory of 1624	1200	cmd.exe	vssadmin.exe
PID 1200 wrote to memory of 1624	1200	cmd.exe	vssadmin.exe
PID 1200 wrote to memory of 1624	1200	cmd.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\admin-panel.exe
"C:\Users\Admin\AppData\Local\Temp\admin-panel.exe"
1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1100

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
2⤵
- Suspicious use of WriteProcessMemory
PID:1952

C:\Windows\system32\vssadmin.exe
vssadmin.exe delete shadows /all /quiet
3⤵
- Interacts with shadow copies
PID:988

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
2⤵
- Suspicious use of WriteProcessMemory
PID:1200

C:\Windows\system32\vssadmin.exe
vssadmin.exe delete shadows /all /quiet
3⤵
- Interacts with shadow copies
PID:1624

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1988

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\How To Restore Your Files.txt
1⤵
- Suspicious use of FindShellTrayWindow
PID:1552

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

2

T1107

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2

T1490

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Downloads

C:\Users\Admin\Desktop\How To Restore Your Files.txt
Filesize
78B

MD5
ccfcc9e6a60392ec2f832db0b01ce791

SHA1
c8423c7eafad174cab1b9c9483d6e65fb7166f98

SHA256
a1b838ccba717c1e8689a626aace8df78aa683c0b18393a865df804729688f22

SHA512
2f3a2d2b8ff4f72b73aeb6bf2935d7e4fbee9c71f56e0c79537e5c56d321af795cc8ab9b478161c5979b0d2c9637206ff42d9c461e45d0c75b2cb4d6c554680e

Download Submit
memory/988-56-0x0000000000000000-mapping.dmp

Download
memory/1100-54-0x0000000074B51000-0x0000000074B53000-memory.dmp

Filesize
8KB

Download
memory/1200-57-0x0000000000000000-mapping.dmp

Download
memory/1552-59-0x000007FEFB5D1000-0x000007FEFB5D3000-memory.dmp

Filesize
8KB

Download
memory/1624-58-0x0000000000000000-mapping.dmp

Download
memory/1952-55-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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