5339981168dfcefb874dc7e82563fa7aca047f17b1184ae8db9336a2335473a9

Analysis

max time kernel
240s
max time network
198s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
01-12-2022 05:59

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General

Target

exe.ransomware.babuk/02/E9/88/02E9883501635DA9B501E715BB827A0B9D0C265991F1263F073EB6C5D9B335C3/02E98.exe
Size

79KB
MD5

c7ec4e7022f26949ed39033616efe894
SHA1

0e4da1fa8b3bc8b2f410cfd7230b9fc70dc10670
SHA256

02e9883501635da9b501e715bb827a0b9d0c265991f1263f073eb6c5d9b335c3
SHA512

04976b2e50e5f7f7a067b0dc07072f22c607d8ae6c33b4ec4e65a851b71bef939725f29fdeaa7a943033a9aa6b5f9a09f1d029860a0dbd6184be768754982aff
SSDEEP

1536:/hkWBeGnwEvWsrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2nsf:LBevwWsrQLOJgY8Zp8LHD4XWaNH71dLc

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 4 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

02E98.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\DebugUnpublish.png => C:\Users\Admin\Pictures\DebugUnpublish.png.doom	02E98.exe
File opened for modification	C:\Users\Admin\Pictures\DebugUnpublish.png.doom	02E98.exe
File renamed	C:\Users\Admin\Pictures\FormatUnregister.raw => C:\Users\Admin\Pictures\FormatUnregister.raw.doom	02E98.exe
File opened for modification	C:\Users\Admin\Pictures\FormatUnregister.raw.doom	02E98.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:

02E98.exe

description	ioc	process
File opened (read-only)	\??\P:	02E98.exe
File opened (read-only)	\??\K:	02E98.exe
File opened (read-only)	\??\E:	02E98.exe
File opened (read-only)	\??\R:	02E98.exe
File opened (read-only)	\??\Y:	02E98.exe
File opened (read-only)	\??\F:	02E98.exe
File opened (read-only)	\??\G:	02E98.exe
File opened (read-only)	\??\H:	02E98.exe
File opened (read-only)	\??\V:	02E98.exe
File opened (read-only)	\??\Q:	02E98.exe
File opened (read-only)	\??\W:	02E98.exe
File opened (read-only)	\??\T:	02E98.exe
File opened (read-only)	\??\I:	02E98.exe
File opened (read-only)	\??\J:	02E98.exe
File opened (read-only)	\??\B:	02E98.exe
File opened (read-only)	\??\U:	02E98.exe
File opened (read-only)	\??\O:	02E98.exe
File opened (read-only)	\??\A:	02E98.exe
File opened (read-only)	\??\S:	02E98.exe
File opened (read-only)	\??\L:	02E98.exe
File opened (read-only)	\??\Z:	02E98.exe
File opened (read-only)	\??\X:	02E98.exe
File opened (read-only)	\??\N:	02E98.exe
File opened (read-only)	\??\M:	02E98.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

1160 vssadmin.exe
1428 vssadmin.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

02E98.exe

pid process

760 02E98.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 1096 vssvc.exe
Token: SeRestorePrivilege 1096 vssvc.exe
Token: SeAuditPrivilege 1096 vssvc.exe

pid	process
1160	vssadmin.exe
1428	vssadmin.exe

pid	process
760	02E98.exe

description	pid	process
Token: SeBackupPrivilege	1096	vssvc.exe
Token: SeRestorePrivilege	1096	vssvc.exe
Token: SeAuditPrivilege	1096	vssvc.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

02E98.execmd.execmd.exe

description	pid	process	target process
PID 760 wrote to memory of 1592	760	02E98.exe	cmd.exe
PID 760 wrote to memory of 1592	760	02E98.exe	cmd.exe
PID 760 wrote to memory of 1592	760	02E98.exe	cmd.exe
PID 760 wrote to memory of 1592	760	02E98.exe	cmd.exe
PID 1592 wrote to memory of 1428	1592	cmd.exe	vssadmin.exe
PID 1592 wrote to memory of 1428	1592	cmd.exe	vssadmin.exe
PID 1592 wrote to memory of 1428	1592	cmd.exe	vssadmin.exe
PID 760 wrote to memory of 1768	760	02E98.exe	cmd.exe
PID 760 wrote to memory of 1768	760	02E98.exe	cmd.exe
PID 760 wrote to memory of 1768	760	02E98.exe	cmd.exe
PID 760 wrote to memory of 1768	760	02E98.exe	cmd.exe
PID 1768 wrote to memory of 1160	1768	cmd.exe	vssadmin.exe
PID 1768 wrote to memory of 1160	1768	cmd.exe	vssadmin.exe
PID 1768 wrote to memory of 1160	1768	cmd.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\exe.ransomware.babuk\02\E9\88\02E9883501635DA9B501E715BB827A0B9D0C265991F1263F073EB6C5D9B335C3\02E98.exe
"C:\Users\Admin\AppData\Local\Temp\exe.ransomware.babuk\02\E9\88\02E9883501635DA9B501E715BB827A0B9D0C265991F1263F073EB6C5D9B335C3\02E98.exe"
1⤵
- Modifies extensions of user files
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:760
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1592
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:1428
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1768
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:1160

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1096

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

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Downloads

memory/760-54-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

Filesize
8KB

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memory/1160-58-0x0000000000000000-mapping.dmp

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memory/1428-56-0x0000000000000000-mapping.dmp

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memory/1592-55-0x0000000000000000-mapping.dmp

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memory/1768-57-0x0000000000000000-mapping.dmp

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