babuk | e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d

General

Target

e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
Size

79KB
MD5

1f6ea1848c050a59782b67d4516b03a3
SHA1

96d57e583a660c1ea47ba653eb3e3223e97269f7
SHA256

e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d
SHA512

360fde4b699068f35044cc05641072e4715ffea21c70e80f5bb1f90cd3aa1f3f0dd1224ffcc745bf68faec70e46c684a16a6c370facb4b77539a411e690ed54a
SSDEEP

1536:VikWBeG/vEbmsrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2nsf:EBeQsmsrQLOJgY8Zp8LHD4XWaNH71dLc

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 10 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Pictures\LimitDismount.raw.babyk	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File opened for modification	C:\Users\Admin\Pictures\ResetSearch.tif.babyk	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File opened for modification	C:\Users\Admin\Pictures\UpdateLimit.tif.babyk	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File renamed	C:\Users\Admin\Pictures\ConvertUninstall.tif => C:\Users\Admin\Pictures\ConvertUninstall.tif.babyk	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File opened for modification	C:\Users\Admin\Pictures\ConvertUninstall.tif.babyk	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File renamed	C:\Users\Admin\Pictures\LimitDismount.raw => C:\Users\Admin\Pictures\LimitDismount.raw.babyk	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File renamed	C:\Users\Admin\Pictures\MountDisable.raw => C:\Users\Admin\Pictures\MountDisable.raw.babyk	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File opened for modification	C:\Users\Admin\Pictures\MountDisable.raw.babyk	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File renamed	C:\Users\Admin\Pictures\ResetSearch.tif => C:\Users\Admin\Pictures\ResetSearch.tif.babyk	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File renamed	C:\Users\Admin\Pictures\UpdateLimit.tif => C:\Users\Admin\Pictures\UpdateLimit.tif.babyk	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.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:

e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe

description	ioc	process
File opened (read-only)	\??\Q:	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File opened (read-only)	\??\R:	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File opened (read-only)	\??\H:	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File opened (read-only)	\??\Z:	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File opened (read-only)	\??\N:	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File opened (read-only)	\??\J:	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File opened (read-only)	\??\L:	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File opened (read-only)	\??\T:	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File opened (read-only)	\??\U:	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File opened (read-only)	\??\I:	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File opened (read-only)	\??\O:	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File opened (read-only)	\??\P:	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File opened (read-only)	\??\A:	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File opened (read-only)	\??\X:	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File opened (read-only)	\??\M:	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File opened (read-only)	\??\W:	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File opened (read-only)	\??\E:	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File opened (read-only)	\??\K:	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File opened (read-only)	\??\V:	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File opened (read-only)	\??\Y:	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File opened (read-only)	\??\S:	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File opened (read-only)	\??\F:	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File opened (read-only)	\??\G:	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
File opened (read-only)	\??\B:	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.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

2024 vssadmin.exe
1660 vssadmin.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe

pid process

1324 e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1180 vssvc.exe
Token: SeRestorePrivilege 1180 vssvc.exe
Token: SeAuditPrivilege 1180 vssvc.exe

pid	process
2024	vssadmin.exe
1660	vssadmin.exe

pid	process
1324	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe

description	pid	process
Token: SeBackupPrivilege	1180	vssvc.exe
Token: SeRestorePrivilege	1180	vssvc.exe
Token: SeAuditPrivilege	1180	vssvc.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.execmd.execmd.exe

description	pid	process	target process
PID 1324 wrote to memory of 832	1324	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe	cmd.exe
PID 1324 wrote to memory of 832	1324	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe	cmd.exe
PID 1324 wrote to memory of 832	1324	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe	cmd.exe
PID 1324 wrote to memory of 832	1324	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe	cmd.exe
PID 832 wrote to memory of 2024	832	cmd.exe	vssadmin.exe
PID 832 wrote to memory of 2024	832	cmd.exe	vssadmin.exe
PID 832 wrote to memory of 2024	832	cmd.exe	vssadmin.exe
PID 1324 wrote to memory of 816	1324	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe	cmd.exe
PID 1324 wrote to memory of 816	1324	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe	cmd.exe
PID 1324 wrote to memory of 816	1324	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe	cmd.exe
PID 1324 wrote to memory of 816	1324	e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe	cmd.exe
PID 816 wrote to memory of 1660	816	cmd.exe	vssadmin.exe
PID 816 wrote to memory of 1660	816	cmd.exe	vssadmin.exe
PID 816 wrote to memory of 1660	816	cmd.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe
"C:\Users\Admin\AppData\Local\Temp\e7e3bc426f1133900f850fadf1d087086aa4bfd853b107dfa3526bb75f12c52d.exe"
1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1324

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
2⤵
- Suspicious use of WriteProcessMemory
PID:832

C:\Windows\system32\vssadmin.exe
vssadmin.exe delete shadows /all /quiet
3⤵
- Interacts with shadow copies
PID:2024

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
2⤵
- Suspicious use of WriteProcessMemory
PID:816

C:\Windows\system32\vssadmin.exe
vssadmin.exe delete shadows /all /quiet
3⤵
- Interacts with shadow copies
PID:1660

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1180

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

2

T1107

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

2

T1490

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Downloads

memory/816-57-0x0000000000000000-mapping.dmp

Download
memory/832-55-0x0000000000000000-mapping.dmp

Download
memory/1324-54-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

Filesize
8KB

Download
memory/1660-58-0x0000000000000000-mapping.dmp

Download
memory/2024-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads