babuk | 75832c6246b8033d842a6a92b7a851562efe166ce5a7e41159b33f0f5df16471

General

Target

827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe
Size

74KB
MD5

827f9b83d84385d95c192f650607f6e0
SHA1

03a737943c80f3d2792dbc9ba06fb184955c1d0a
SHA256

75832c6246b8033d842a6a92b7a851562efe166ce5a7e41159b33f0f5df16471
SHA512

c29db6a5f56a93c2d51cda95b0074f35d2635846deb5908ae625ac312f3b3a6a26a9655fd99f954980a11286ce9e92dceed6a6e12bdf479128e59e6213c33499
SSDEEP

1536:ZfaIdDedRu8UOyaC69srQLOJgY8ZZP8LHD4XWaNH71dLdG1iiFM2iG2Ew:ZydRuxWsrQLOJgY8Zp8LHD4XWaNH71dP

Score

10^/10

babuk defense_evasion evasion execution impact ransomware

Malware Config

Extracted

Path

C:\PerfLogs\How To Restore Your Files.txt

Ransom Note

What happened to my file! Ransom Note Subject: Urgent: Your Files Have Been Encrypted Dear User? We regret to inform you that all the files on your computer have been encrypted by a sophisticated ransomware attack. Your documents, photos, videos, and other important data are now inaccessible without the decryption key. We are demanding a ransom in exchange for the decryption key. The payment must be made in bitcoins to the following wallet address: [Bitcoin Wallet Address]. The amount of the ransom is [Amount] bitcoins, which is equivalent to approximately [Amount in USD] USD. You have 72 hours to make the payment. Failure to comply with our demand will result in the permanent loss of your files. We have encrypted your files using a strong encryption algorithm, and there is no other way to recover them without the decryption key. We assure you that once the payment is received, we will provide you with the decryption key promptly. Do not attempt to decrypt the files yourself, as it may lead to irreversible damage. To prove that we have the decryption key and can restore your files, you can send us one encrypted file, and we will decrypt it for you as a demonstration of our capability. For payment instructions and further communication, please reply to this email. Do not involve law enforcement or attempt to trace this email, as it will only complicate the situation. Time is of the essence. Act swiftly to secure the release of your files. Sincerely, The Ransomware Team

Signatures

Babuk Locker
RaaS first seen in 2021 initially called Vasa Locker.
ransomware babuk
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware defense_evasion impact execution

File Deletion
T1070.004

Inhibit System Recovery
T1490

Windows Management Instrumentation
T1047
Renames multiple (221) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

Processes:

netsh.exe

pid	Process
2548	netsh.exe

Enumerates connected drives 3 TTPs 23 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:

827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe

description	ioc	Process
File opened (read-only)	\??\G:	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe
File opened (read-only)	\??\N:	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe
File opened (read-only)	\??\E:	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe
File opened (read-only)	\??\I:	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe
File opened (read-only)	\??\O:	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe
File opened (read-only)	\??\A:	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe
File opened (read-only)	\??\S:	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe
File opened (read-only)	\??\L:	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe
File opened (read-only)	\??\Q:	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe
File opened (read-only)	\??\R:	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe
File opened (read-only)	\??\Y:	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe
File opened (read-only)	\??\U:	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe
File opened (read-only)	\??\H:	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe
File opened (read-only)	\??\J:	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe
File opened (read-only)	\??\K:	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe
File opened (read-only)	\??\M:	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe
File opened (read-only)	\??\W:	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe
File opened (read-only)	\??\T:	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe
File opened (read-only)	\??\P:	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe
File opened (read-only)	\??\Z:	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe
File opened (read-only)	\??\X:	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe
File opened (read-only)	\??\V:	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe
File opened (read-only)	\??\B:	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe

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

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

T1070.004

Inhibit System Recovery

T1490

Processes:

vssadmin.exevssadmin.exe

pid	Process
2852	vssadmin.exe
2496	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe

pid	Process
2224	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description	pid	Process
Token: SeBackupPrivilege	2468	vssvc.exe
Token: SeRestorePrivilege	2468	vssvc.exe
Token: SeAuditPrivilege	2468	vssvc.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.execmd.execmd.execmd.exe

description	pid	Process	procid_target
PID 2224 wrote to memory of 2820	2224	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe	28
PID 2224 wrote to memory of 2820	2224	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe	28
PID 2224 wrote to memory of 2820	2224	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe	28
PID 2224 wrote to memory of 2820	2224	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe	28
PID 2224 wrote to memory of 2760	2224	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe	30
PID 2224 wrote to memory of 2760	2224	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe	30
PID 2224 wrote to memory of 2760	2224	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe	30
PID 2224 wrote to memory of 2760	2224	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe	30
PID 2820 wrote to memory of 2852	2820	cmd.exe	32
PID 2820 wrote to memory of 2852	2820	cmd.exe	32
PID 2820 wrote to memory of 2852	2820	cmd.exe	32
PID 2760 wrote to memory of 2548	2760	cmd.exe	33
PID 2760 wrote to memory of 2548	2760	cmd.exe	33
PID 2760 wrote to memory of 2548	2760	cmd.exe	33
PID 2760 wrote to memory of 2548	2760	cmd.exe	33
PID 2224 wrote to memory of 2428	2224	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe	37
PID 2224 wrote to memory of 2428	2224	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe	37
PID 2224 wrote to memory of 2428	2224	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe	37
PID 2224 wrote to memory of 2428	2224	827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe	37
PID 2428 wrote to memory of 2496	2428	cmd.exe	39
PID 2428 wrote to memory of 2496	2428	cmd.exe	39
PID 2428 wrote to memory of 2496	2428	cmd.exe	39

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\827f9b83d84385d95c192f650607f6e0_NeikiAnalytics.exe"
1⤵
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2224
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2820
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2852
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c netsh advfirewall set allprofiles state off
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2760
- - C:\Windows\SysWOW64\netsh.exe
    netsh advfirewall set allprofiles state off
    3⤵
    - Modifies Windows Firewall
    PID:2548
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2428
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2496

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

1

T1047

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

1

T1562.004

Indicator Removal

2

T1070

File Deletion

2

T1070.004

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

C:\PerfLogs\How To Restore Your Files.txt

Filesize
1KB

MD5
cf8b921f3e13ec8e43b14438b7effa6e

SHA1
5eaab3e470e27567afebb8731b99203aa4da1ee1

SHA256
ba5517deccf5c0b1017e38f6c0f3e1914e39d96bf321bfd9e8ad330ab11ed9f4

SHA512
b06aaeed3ee12deb6ad6c88410c6af2f5ae5cba701b5440da00c022e6219328f8994d3690adae9da0628f7b85edc73cfddb416f22bab39cfc7a097585cc2ba67

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads