5339981168dfcefb874dc7e82563fa7aca047f17b1184ae8db9336a2335473a9

Analysis

max time kernel
192s
max time network
286s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01-12-2022 05:59

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General

Target

exe.ransomware.babuk/10/61/18/106118444E0A7405C13531F8CD70191F36356581D58789DFC5DF3DA7BA0F9223/10611.exe
Size

78KB
MD5

b43e8b865d3339eeb8b8b11f900f6c89
SHA1

52538e17d4dc85c22f6a01acbbc8caa7447a50b0
SHA256

106118444e0a7405c13531f8cd70191f36356581d58789dfc5df3da7ba0f9223
SHA512

cc31cbf27ab26bd026c6a92af518ecf5fdaf32c1607813c192fb080de2f8ed54b8f9b360c14f885db5ffd65ea99c013a36109e2e7c5c813f451eb3865f1c9ae0
SSDEEP

1536:8LhkWBeG/LEOSsrQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2Osf:UBe8dSsrQLOJgY8Zp8LHD4XWaNH71dLT

Score

10^/10

ransomware

Malware Config

Extracted

Path

C:\PerfLogs\Help Restore Your Files.txt

Ransom Note

ATTENTION! Gentlemen! Your business is at serious risk. There is a significant flaw in your company's security system. We easily penetrate your network. You should thank the Lord that you were invaded by serious people, not some stupid students or dangerous punks. They can damage all your important data just for fun. Now your files are encrypted with the strongest military algorithms RSA4096 and AES-256. Nobody can help you restore files without our special decoder. The only file recovery method is to buy a decryption tool and an exclusive key for you Delta Plus 2.4 version. This software will decrypt all your encrypted files. What guarantees do you have? Free decryption as a guarantee You can send us up to 1 file for free decryption. The file size must be less than 1 Mb (not archived). We do not decrypt for testing DATABASE, XLS and other important files. Remember this. decoding cost The cost of decryption is $10,500 USD. We only receive payment in BITCOINS. (Bitcoin is a form of digital currency) 50% discount available if you contact us within the first 72 hours, the price for you is $5250 USD. Each day of delay will cost you an additional $100 nothing personal just business contact emails [email protected] or [email protected] Value First 72 hours: $5250 USD. Bitcoin Address: 3JG36KY6abZTnHBdQCon1hheC3Wa2bdyqs No system is secure

Emails

[email protected]

Wallets

3JG36KY6abZTnHBdQCon1hheC3Wa2bdyqs

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 9 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

10611.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Pictures\TestUnblock.tiff	10611.exe
File opened for modification	C:\Users\Admin\Pictures\TestUnblock.tiff.delta	10611.exe
File renamed	C:\Users\Admin\Pictures\HideUpdate.tif => C:\Users\Admin\Pictures\HideUpdate.tif.delta	10611.exe
File opened for modification	C:\Users\Admin\Pictures\HideUpdate.tif.delta	10611.exe
File renamed	C:\Users\Admin\Pictures\TestUnblock.tiff => C:\Users\Admin\Pictures\TestUnblock.tiff.delta	10611.exe
File renamed	C:\Users\Admin\Pictures\UsePublish.raw => C:\Users\Admin\Pictures\UsePublish.raw.delta	10611.exe
File opened for modification	C:\Users\Admin\Pictures\UsePublish.raw.delta	10611.exe
File renamed	C:\Users\Admin\Pictures\EnterCopy.png => C:\Users\Admin\Pictures\EnterCopy.png.delta	10611.exe
File opened for modification	C:\Users\Admin\Pictures\EnterCopy.png.delta	10611.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:

10611.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation 10611.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	10611.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:

10611.exe

description	ioc	process
File opened (read-only)	\??\S:	10611.exe
File opened (read-only)	\??\F:	10611.exe
File opened (read-only)	\??\H:	10611.exe
File opened (read-only)	\??\B:	10611.exe
File opened (read-only)	\??\Q:	10611.exe
File opened (read-only)	\??\U:	10611.exe
File opened (read-only)	\??\R:	10611.exe
File opened (read-only)	\??\T:	10611.exe
File opened (read-only)	\??\Y:	10611.exe
File opened (read-only)	\??\J:	10611.exe
File opened (read-only)	\??\Z:	10611.exe
File opened (read-only)	\??\W:	10611.exe
File opened (read-only)	\??\E:	10611.exe
File opened (read-only)	\??\L:	10611.exe
File opened (read-only)	\??\N:	10611.exe
File opened (read-only)	\??\I:	10611.exe
File opened (read-only)	\??\G:	10611.exe
File opened (read-only)	\??\A:	10611.exe
File opened (read-only)	\??\K:	10611.exe
File opened (read-only)	\??\X:	10611.exe
File opened (read-only)	\??\V:	10611.exe
File opened (read-only)	\??\M:	10611.exe
File opened (read-only)	\??\O:	10611.exe
File opened (read-only)	\??\P:	10611.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

3408 vssadmin.exe
3692 vssadmin.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

10611.exe

pid process

3784 10611.exe
3784 10611.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 4616 vssvc.exe
Token: SeRestorePrivilege 4616 vssvc.exe
Token: SeAuditPrivilege 4616 vssvc.exe

pid	process
3408	vssadmin.exe
3692	vssadmin.exe

pid	process
3784	10611.exe
3784	10611.exe

description	pid	process
Token: SeBackupPrivilege	4616	vssvc.exe
Token: SeRestorePrivilege	4616	vssvc.exe
Token: SeAuditPrivilege	4616	vssvc.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

10611.execmd.execmd.exe

description	pid	process	target process
PID 3784 wrote to memory of 2576	3784	10611.exe	cmd.exe
PID 3784 wrote to memory of 2576	3784	10611.exe	cmd.exe
PID 2576 wrote to memory of 3408	2576	cmd.exe	vssadmin.exe
PID 2576 wrote to memory of 3408	2576	cmd.exe	vssadmin.exe
PID 3784 wrote to memory of 2312	3784	10611.exe	cmd.exe
PID 3784 wrote to memory of 2312	3784	10611.exe	cmd.exe
PID 2312 wrote to memory of 3692	2312	cmd.exe	vssadmin.exe
PID 2312 wrote to memory of 3692	2312	cmd.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\exe.ransomware.babuk\10\61\18\106118444E0A7405C13531F8CD70191F36356581D58789DFC5DF3DA7BA0F9223\10611.exe
"C:\Users\Admin\AppData\Local\Temp\exe.ransomware.babuk\10\61\18\106118444E0A7405C13531F8CD70191F36356581D58789DFC5DF3DA7BA0F9223\10611.exe"
1⤵
- Modifies extensions of user files
- Checks computer location settings
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3784
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2576
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:3408
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2312
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:3692

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4616

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/2312-134-0x0000000000000000-mapping.dmp

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memory/2576-132-0x0000000000000000-mapping.dmp

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memory/3408-133-0x0000000000000000-mapping.dmp

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memory/3692-135-0x0000000000000000-mapping.dmp

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