79d309dcae873685245924766520ef95497e9f4054d9a6540bb0acec36c993ca

General

Target
8c2ab7d7bd20f8a8b92dbe5779ac4320_NEIKI.exe
Size 397KB
Sample240508-2zzd9acc8s
SHA256 79d309dcae873685245924766520ef95497e9f4054d9a6540bb0acec36c993ca
MD5 8c2ab7d7bd20f8a8b92dbe5779ac4320
SHA1 65c75835b540175d33ab67583f98626711de74e5
SHA512 4a35b2dedb9d391d9cac9952c3526abec496b8215040237bc10f745e769159b44512a7c1d72d07e2b944e97d48247003fc83f22ae2c398fa34662c87f3075195
SSDEEP 12288:vdDU6g13sJd1fm/+yb3O2jg82ydU/DdKumy:vdE3sJd1fm/+yb3OYg84/JHJ
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2296	hzlvi.exe

Executes dropped EXE 2 IoCs

pid	Process
2296	hzlvi.exe
3056	onhs.exe

Loads dropped DLL 1 IoCs

pid	Process
3056	onhs.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

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-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VIEW = "c:\\Program Files\\wsnzdf\\onhs.exe \"c:\\Program Files\\wsnzdf\\onhsz.dll\",Viewer"	onhs.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)	\??\j:	onhs.exe
File opened (read-only)	\??\s:	onhs.exe
File opened (read-only)	\??\u:	onhs.exe
File opened (read-only)	\??\l:	onhs.exe
File opened (read-only)	\??\m:	onhs.exe
File opened (read-only)	\??\n:	onhs.exe
File opened (read-only)	\??\p:	onhs.exe
File opened (read-only)	\??\r:	onhs.exe
File opened (read-only)	\??\b:	onhs.exe
File opened (read-only)	\??\e:	onhs.exe
File opened (read-only)	\??\g:	onhs.exe
File opened (read-only)	\??\h:	onhs.exe
File opened (read-only)	\??\i:	onhs.exe
File opened (read-only)	\??\o:	onhs.exe
File opened (read-only)	\??\w:	onhs.exe
File opened (read-only)	\??\x:	onhs.exe
File opened (read-only)	\??\y:	onhs.exe
File opened (read-only)	\??\z:	onhs.exe
File opened (read-only)	\??\a:	onhs.exe
File opened (read-only)	\??\k:	onhs.exe
File opened (read-only)	\??\q:	onhs.exe
File opened (read-only)	\??\t:	onhs.exe
File opened (read-only)	\??\v:	onhs.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	onhs.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	\??\c:\Program Files\wsnzdf\onhsz.dll	hzlvi.exe
File created	\??\c:\Program Files\wsnzdf\onhs.exe	hzlvi.exe
File opened for modification	\??\c:\Program Files\wsnzdf\onhs.exe	hzlvi.exe
File opened for modification	\??\c:\Program Files\wsnzdf	hzlvi.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	onhs.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	onhs.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2140	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3056	onhs.exe
3056	onhs.exe
3056	onhs.exe
3056	onhs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3056	onhs.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3004	8c2ab7d7bd20f8a8b92dbe5779ac4320_NEIKI.exe
2296	hzlvi.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 372	3004	8c2ab7d7bd20f8a8b92dbe5779ac4320_NEIKI.exe	90
PID 3004 wrote to memory of 372	3004	8c2ab7d7bd20f8a8b92dbe5779ac4320_NEIKI.exe	90
PID 3004 wrote to memory of 372	3004	8c2ab7d7bd20f8a8b92dbe5779ac4320_NEIKI.exe	90
PID 372 wrote to memory of 2140	372	cmd.exe	92
PID 372 wrote to memory of 2140	372	cmd.exe	92
PID 372 wrote to memory of 2140	372	cmd.exe	92
PID 372 wrote to memory of 2296	372	cmd.exe	93
PID 372 wrote to memory of 2296	372	cmd.exe	93
PID 372 wrote to memory of 2296	372	cmd.exe	93
PID 2296 wrote to memory of 3056	2296	hzlvi.exe	94
PID 2296 wrote to memory of 3056	2296	hzlvi.exe	94
PID 2296 wrote to memory of 3056	2296	hzlvi.exe	94

C:\Users\Admin\AppData\Local\Temp\8c2ab7d7bd20f8a8b92dbe5779ac4320_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\8c2ab7d7bd20f8a8b92dbe5779ac4320_NEIKI.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\hzlvi.exe "C:\Users\Admin\AppData\Local\Temp\8c2ab7d7bd20f8a8b92dbe5779ac4320_NEIKI.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:372
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - Runs ping.exe
    PID:2140
- - C:\Users\Admin\AppData\Local\Temp\hzlvi.exe
    C:\Users\Admin\AppData\Local\Temp\\hzlvi.exe "C:\Users\Admin\AppData\Local\Temp\8c2ab7d7bd20f8a8b92dbe5779ac4320_NEIKI.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Drops file in Program Files directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2296
  - - \??\c:\Program Files\wsnzdf\onhs.exe
      "c:\Program Files\wsnzdf\onhs.exe" "c:\Program Files\wsnzdf\onhsz.dll",Viewer C:\Users\Admin\AppData\Local\Temp\hzlvi.exe
      4⤵
      Executes dropped EXE
      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:3056

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3852,i,1067197275908310731,12785105794523264014,262144 --variations-seed-version --mojo-platform-channel-handle=4236 /prefetch:8
1⤵
PID:3712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

onhs.exe

Path C:\Program Files\wsnzdf\onhs.exe
Size 60KB
SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
MD5 889b99c52a60dd49227c5e485a016679
SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
SSDEEP 1536:H9ykYCTdiHQKrFXmw2RQln5IUmDjoX6+:HlMHprF2nRQln5I
MD5 SHA1 SHA512 SSDEEP

Submit Download

hzlvi.exe

Path C:\Users\Admin\AppData\Local\Temp\hzlvi.exe
Size 397KB
SHA256 a91d4717bc7c5ea378352c7eb2d0544759454102e5f8b0909000738ab2b4c53b
MD5 2a3ed2e57e92de0f36159c6ebb68d9cc
SHA1 77e423cfdb6be3f03636fb2c75b3abec9e51e2b5
SHA512 2f838291de1cc83b435d3ed3f956e0852a913652ec3378e328f29ab8c474dc5a6ceb5d5d1850e2c4f909fb397bab9e65936b0547c842ceff48e53faae40a0911
SSDEEP 12288:vdDU6g13sJd1fm/+yb3O2jg82ydU/DdKumyb:vdE3sJd1fm/+yb3OYg84/JHJb
MD5 SHA1 SHA512 SSDEEP

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onhsz.dll

Path \??\c:\Program Files\wsnzdf\onhsz.dll
Size 89KB
SHA256 2e892f22283ee9d4c11e99d020936a03d4d3519294a1e603a817ee9b401c7355
MD5 683787a6e2871504f342dd6231b8337e
SHA1 d66240e1e4af115132463d5e9d3b4fb344d2807f
SHA512 c5dbea0a2874aaac7f5de774e992b8e1e5edf67e694723ac85cf2995ba68a6a9906ac7a3f43755d24becb4237ad6727ba29b10d3592fafe35bad25223e1f8a4b
SSDEEP 1536:XHXqO6ZG03eyenOj9lgA/PObuTMT5NMCfL7ojaZf5aZlBlG3:M1uF6Feu2NlQOBcG3
MD5 SHA1 SHA512 SSDEEP

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memory/3056-11-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/3056-12-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/3056-14-0x0000000010000000-0x0000000010033000-memory.dmp

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memory/3056-16-0x0000000010000000-0x0000000010033000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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