a6010d8a3f202be184c3ee95aaa257f563560d2fc607ad09a2c77c30965b0986

Analysis

max time kernel
142s
max time network
150s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
05/06/2024, 08:34

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General

Target

4bcdf4c6c73eb352f6a6df995d2be1f0_NeikiAnalytics.exe
Size

75KB
MD5

4bcdf4c6c73eb352f6a6df995d2be1f0
SHA1

2e80f173ce90831215a41e08c2cfbd40598cefc7
SHA256

a6010d8a3f202be184c3ee95aaa257f563560d2fc607ad09a2c77c30965b0986
SHA512

5664794d35a2eec1f3cdf4e8a14902f4fb8df4a9f25f4a068de7c08cbfd555a8e9b3427c7684874ef0d0e0acbb4a2e23fccc531d69969826199effef24ae4326
SSDEEP

1536:6LxJJlguY/NbvWU2VkWlVvtlqDyKJR40AEEou:cc/R+U23vtlPR0pO

Score

8^/10

bootkit persistence spyware stealer upx

Malware Config

Signatures

Blocklisted process makes network request 10 IoCs

flow	pid	Process
3	2536	rundll32.exe
7	2536	rundll32.exe
8	2536	rundll32.exe
9	2536	rundll32.exe
10	2536	rundll32.exe
13	2536	rundll32.exe
14	2536	rundll32.exe
15	2536	rundll32.exe
17	2536	rundll32.exe
18	2536	rundll32.exe

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x003900000001233b-17.dat	acprotect

Deletes itself 1 IoCs

pid	Process
2540	tbxer.exe

Executes dropped EXE 1 IoCs

pid	Process
2540	tbxer.exe

Loads dropped DLL 4 IoCs

pid	Process
2536	rundll32.exe
2536	rundll32.exe
2536	rundll32.exe
2536	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 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2536-18-0x0000000010000000-0x0000000010024000-memory.dmp	upx
behavioral1/memory/2536-19-0x0000000010000000-0x0000000010024000-memory.dmp	upx
behavioral1/files/0x003900000001233b-17.dat	upx
behavioral1/memory/2536-20-0x0000000010000000-0x0000000010024000-memory.dmp	upx
behavioral1/memory/2536-24-0x0000000010000000-0x0000000010024000-memory.dmp	upx
behavioral1/memory/2536-25-0x0000000010000000-0x0000000010024000-memory.dmp	upx
behavioral1/memory/2536-26-0x0000000010000000-0x0000000010024000-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-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\uyiubtp\\hvfrkn.dll\",init"	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)	\??\w:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\z:	rundll32.exe
File opened (read-only)	\??\n:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\s:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\e:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\h:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\q:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\v:	rundll32.exe
File opened (read-only)	\??\b:	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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2568	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2536	rundll32.exe
2536	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2536	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2908	4bcdf4c6c73eb352f6a6df995d2be1f0_NeikiAnalytics.exe
2540	tbxer.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2436	2908	4bcdf4c6c73eb352f6a6df995d2be1f0_NeikiAnalytics.exe	28
PID 2908 wrote to memory of 2436	2908	4bcdf4c6c73eb352f6a6df995d2be1f0_NeikiAnalytics.exe	28
PID 2908 wrote to memory of 2436	2908	4bcdf4c6c73eb352f6a6df995d2be1f0_NeikiAnalytics.exe	28
PID 2908 wrote to memory of 2436	2908	4bcdf4c6c73eb352f6a6df995d2be1f0_NeikiAnalytics.exe	28
PID 2436 wrote to memory of 2568	2436	cmd.exe	30
PID 2436 wrote to memory of 2568	2436	cmd.exe	30
PID 2436 wrote to memory of 2568	2436	cmd.exe	30
PID 2436 wrote to memory of 2568	2436	cmd.exe	30
PID 2436 wrote to memory of 2540	2436	cmd.exe	31
PID 2436 wrote to memory of 2540	2436	cmd.exe	31
PID 2436 wrote to memory of 2540	2436	cmd.exe	31
PID 2436 wrote to memory of 2540	2436	cmd.exe	31
PID 2540 wrote to memory of 2536	2540	tbxer.exe	32
PID 2540 wrote to memory of 2536	2540	tbxer.exe	32
PID 2540 wrote to memory of 2536	2540	tbxer.exe	32
PID 2540 wrote to memory of 2536	2540	tbxer.exe	32
PID 2540 wrote to memory of 2536	2540	tbxer.exe	32
PID 2540 wrote to memory of 2536	2540	tbxer.exe	32
PID 2540 wrote to memory of 2536	2540	tbxer.exe	32

C:\Users\Admin\AppData\Local\Temp\4bcdf4c6c73eb352f6a6df995d2be1f0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\4bcdf4c6c73eb352f6a6df995d2be1f0_NeikiAnalytics.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&c:\tbxer.exe "C:\Users\Admin\AppData\Local\Temp\4bcdf4c6c73eb352f6a6df995d2be1f0_NeikiAnalytics.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2436
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - Runs ping.exe
    PID:2568
- - \??\c:\tbxer.exe
    c:\tbxer.exe "C:\Users\Admin\AppData\Local\Temp\4bcdf4c6c73eb352f6a6df995d2be1f0_NeikiAnalytics.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2540
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\uyiubtp\hvfrkn.dll",init c:\tbxer.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
      PID:2536

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

\??\c:\tbxer.exe

Filesize
75KB

MD5
d5235ef5e47befdbb77be24814cf3b7d

SHA1
8db6ddcb6d8c4ad167a503826bb7021ca0e4ce07

SHA256
10cf180bc17d68d4a9eac8fead1eb8157b785307d30e957882755d2d2aeb978a

SHA512
7edcf81358a94e2bf1ca4ad010ccf019215c919b75a8db2679341449d9b0bbd9d3ecaf02dc5505cd961d3b04d0548b7972a273b50a38753ecbb31562aa2ca283

Download Submit
\uyiubtp\hvfrkn.dll

Filesize
46KB

MD5
42fe886bcb6460f7c2a46e21ecac5da6

SHA1
7d9a1c9fe17121cf61444da965f29e974a95ede2

SHA256
b6bc7902da0250f6ca920b35b222f6a0fe62102caf05d2a1722c4d3b225a0a9e

SHA512
3d1a7dc1d9ca8a4376302ba20df584ad59b98e0d3b18b06b22d7f5a455833ce124e412fc1922a3b704dcbafa31987cda3115c9a71dd6299683502cebae33567c

Download Submit
memory/2436-7-0x00000000001B0000-0x00000000001C7000-memory.dmp

Filesize
92KB

Download
memory/2436-6-0x00000000001B0000-0x00000000001C7000-memory.dmp

Filesize
92KB

Download
memory/2536-19-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/2536-26-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/2536-25-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/2536-24-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/2536-20-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/2536-18-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/2540-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2540-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2540-9-0x00000000002E0000-0x00000000002E2000-memory.dmp

Filesize
8KB

Download
memory/2908-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2908-3-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2908-1-0x0000000000370000-0x0000000000372000-memory.dmp

Filesize
8KB

Download