73fe604f05e48d6d3228809cc910fd08dcca20ff847da5032c2a10c394c157e9

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
12/05/2024, 12:29

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General

Target
0cca76dd27b9660f93311da7c988ad50_NeikiAnalytics.exe
Size 85KB
Sample240512-ppdctaeh4s
SHA256 73fe604f05e48d6d3228809cc910fd08dcca20ff847da5032c2a10c394c157e9
MD5 0cca76dd27b9660f93311da7c988ad50
SHA1 32f7a483067eddc7b3533eec5fafbe485f7ef6c9
SHA512 1dc6c855c2f1bffac9317bf95051cce5c77a8191eb341049efef7291fe2969b0ead8494c157b5838d2a8981e8b9b203006dbfe09c6086220acf98f112f2522cf
SSDEEP 1536:1MIPgEm56wnbkKC2ZyBJU066lwLCRVEB+nR/y8cmNrEIviCOzuajkrDl9HNS7V:11PgEOng1d66jRVa+n4NmNNouukrD7Hs
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

bootkit persistence spyware stealer upx

Malware Config

Signatures

Blocklisted process makes network request 9 IoCs

flow	pid	Process
27	2528	rundll32.exe
34	2528	rundll32.exe
35	2528	rundll32.exe
36	2528	rundll32.exe
50	2528	rundll32.exe
51	2528	rundll32.exe
58	2528	rundll32.exe
75	2528	rundll32.exe
80	2528	rundll32.exe

Deletes itself 1 IoCs

pid	Process
4768	jwnxq.exe

Executes dropped EXE 1 IoCs

pid	Process
4768	jwnxq.exe

Loads dropped DLL 1 IoCs

pid	Process
2528	rundll32.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x000a000000023387-11.dat	upx
behavioral2/memory/2528-13-0x0000000010000000-0x0000000010022000-memory.dmp	upx
behavioral2/memory/2528-14-0x0000000010000000-0x0000000010022000-memory.dmp	upx
behavioral2/memory/2528-16-0x0000000010000000-0x0000000010022000-memory.dmp	upx
behavioral2/memory/2528-18-0x0000000010000000-0x0000000010022000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\hsvtwfr\\vactyf.atv\",crc32"	rundll32.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

description	ioc	Process
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\w:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	rundll32.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
4704	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3380	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe
2528	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2528	rundll32.exe
Token: SeDebugPrivilege	4704	taskkill.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4600	0cca76dd27b9660f93311da7c988ad50_NeikiAnalytics.exe
4768	jwnxq.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4600 wrote to memory of 4744	4600	0cca76dd27b9660f93311da7c988ad50_NeikiAnalytics.exe	84
PID 4600 wrote to memory of 4744	4600	0cca76dd27b9660f93311da7c988ad50_NeikiAnalytics.exe	84
PID 4600 wrote to memory of 4744	4600	0cca76dd27b9660f93311da7c988ad50_NeikiAnalytics.exe	84
PID 4744 wrote to memory of 3380	4744	cmd.exe	86
PID 4744 wrote to memory of 3380	4744	cmd.exe	86
PID 4744 wrote to memory of 3380	4744	cmd.exe	86
PID 4744 wrote to memory of 4768	4744	cmd.exe	89
PID 4744 wrote to memory of 4768	4744	cmd.exe	89
PID 4744 wrote to memory of 4768	4744	cmd.exe	89
PID 4768 wrote to memory of 2528	4768	jwnxq.exe	90
PID 4768 wrote to memory of 2528	4768	jwnxq.exe	90
PID 4768 wrote to memory of 2528	4768	jwnxq.exe	90
PID 2528 wrote to memory of 4704	2528	rundll32.exe	91
PID 2528 wrote to memory of 4704	2528	rundll32.exe	91
PID 2528 wrote to memory of 4704	2528	rundll32.exe	91

C:\Users\Admin\AppData\Local\Temp\0cca76dd27b9660f93311da7c988ad50_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\0cca76dd27b9660f93311da7c988ad50_NeikiAnalytics.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4600
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\jwnxq.exe "C:\Users\Admin\AppData\Local\Temp\0cca76dd27b9660f93311da7c988ad50_NeikiAnalytics.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4744
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - Runs ping.exe
    PID:3380
- - C:\Users\Admin\AppData\Local\Temp\jwnxq.exe
    C:\Users\Admin\AppData\Local\Temp\\jwnxq.exe "C:\Users\Admin\AppData\Local\Temp\0cca76dd27b9660f93311da7c988ad50_NeikiAnalytics.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4768
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\hsvtwfr\vactyf.atv",crc32 C:\Users\Admin\AppData\Local\Temp\jwnxq.exe
      4⤵
      Blocklisted process makes network request
      Loads dropped DLL
      Adds Run key to start application
      Enumerates connected drives
      Writes to the Master Boot Record (MBR)
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2528
    - - \??\c:\windows\SysWOW64\taskkill.exe
        
        taskkill /f /im attrib.exe
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:4704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

jwnxq.exe

Path C:\Users\Admin\AppData\Local\Temp\jwnxq.exe
Size 86KB
SHA256 19bd9ee004c2b36f86c76fbf9a0ecd937acb5712cd8fb48f21ac3a23964fd2c8
MD5 d2912306c389f70b06cfb8fdb5f31780
SHA1 5570a368ea2f81183b4e8f2a2f7b72b368807d9b
SHA512 e7381086a9e497341a22c0b0d46d4b9c6c8f0ed6e26e769c96b9592d6b0b4d7edc8a58a7697fd4ef8addc82df6afe681b8422c5da1db9589d2d09e19040ef697
SSDEEP 1536:1MIPgEm56wnbkKC2ZyBJU066lwLCRVEB+nR/y8cmNrEIviCOzuajkrDl9HNS7X:11PgEOng1d66jRVa+n4NmNNouukrD7HI
MD5 SHA1 SHA512 SSDEEP

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vactyf.atv

Path \??\c:\hsvtwfr\vactyf.atv
Size 57KB
SHA256 964e4dd2532d540bb61d3c7ccc833f2358d8cd6b2eabc3a2d51183a18b59f82d
MD5 2f53f49e01f09d6e6064871eec1955cd
SHA1 a6e1a6e5c2080d0fb2f7a872e3902a8a4a1a9b5f
SHA512 2cb98030c3df7417c04f796f78f23f96d381871d9c7ae4a14116764e915b2e2f56b9b3a6fb76fedc50a17788de9538fc7954a7b73bf17e4be43e1fc1a06bc218
SSDEEP 1536:sTVgJaaYk6IBx84RuM6x6sujkrDl9HNS:sTVL9axF0MWJ6krD7HNS
MD5 SHA1 SHA512 SSDEEP

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memory/2528-13-0x0000000010000000-0x0000000010022000-memory.dmp

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memory/2528-14-0x0000000010000000-0x0000000010022000-memory.dmp

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memory/2528-16-0x0000000010000000-0x0000000010022000-memory.dmp

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memory/2528-18-0x0000000010000000-0x0000000010022000-memory.dmp

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memory/4600-0-0x0000000000400000-0x0000000000428000-memory.dmp

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memory/4600-1-0x00000000006F0000-0x00000000006F1000-memory.dmp

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memory/4600-3-0x0000000000400000-0x0000000000428000-memory.dmp

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memory/4768-7-0x0000000000400000-0x0000000000428000-memory.dmp

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memory/4768-8-0x00000000005A0000-0x00000000005A1000-memory.dmp

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memory/4768-10-0x0000000000400000-0x0000000000428000-memory.dmp

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