8611d5b5aa1da83c21e54e5c9d7eaeb6b1adb1d14aa957cc2b3f531ce76b76ea

Analysis

max time kernel
149s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
17/05/2024, 03:18

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General

Target

8611d5b5aa1da83c21e54e5c9d7eaeb6b1adb1d14aa957cc2b3f531ce76b76ea.exe
Size

405KB
MD5

7e98da214ee0846bc9dd31f14f1cbdd2
SHA1

6f0dcbc59121cd3771f4b0517497fac7ac041920
SHA256

8611d5b5aa1da83c21e54e5c9d7eaeb6b1adb1d14aa957cc2b3f531ce76b76ea
SHA512

bf351d29fa40e94d4b03e2662800b5eddc4556fae4299c9af47337eaae33bfb639107a536968731573c7da339de49f219cbf9922d5342f0190ea3973d8402179
SSDEEP

6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4z:gtRfJcNYFNm8UhlZGsez

Score

8^/10

bootkit persistence spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 8 IoCs

flow	pid	Process
25	4128	rundll32.exe
32	4128	rundll32.exe
33	4128	rundll32.exe
34	4128	rundll32.exe
47	4128	rundll32.exe
49	4128	rundll32.exe
58	4128	rundll32.exe
75	4128	rundll32.exe

Deletes itself 1 IoCs

pid	Process
1320	nqpovlrry.exe

Executes dropped EXE 1 IoCs

pid	Process
1320	nqpovlrry.exe

Loads dropped DLL 1 IoCs

pid	Process
4128	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

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\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\echno\\bezvn.dll\",Verify"	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)	\??\h:	rundll32.exe
File opened (read-only)	\??\m:	rundll32.exe
File opened (read-only)	\??\x:	rundll32.exe
File opened (read-only)	\??\o:	rundll32.exe
File opened (read-only)	\??\p:	rundll32.exe
File opened (read-only)	\??\t:	rundll32.exe
File opened (read-only)	\??\u:	rundll32.exe
File opened (read-only)	\??\y:	rundll32.exe
File opened (read-only)	\??\a:	rundll32.exe
File opened (read-only)	\??\b:	rundll32.exe
File opened (read-only)	\??\l:	rundll32.exe
File opened (read-only)	\??\q:	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)	\??\e:	rundll32.exe
File opened (read-only)	\??\g:	rundll32.exe
File opened (read-only)	\??\k:	rundll32.exe
File opened (read-only)	\??\r:	rundll32.exe
File opened (read-only)	\??\i:	rundll32.exe
File opened (read-only)	\??\j:	rundll32.exe
File opened (read-only)	\??\n:	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

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4128	rundll32.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\echno	nqpovlrry.exe
File created	\??\c:\Program Files\echno\bezvn.dll	nqpovlrry.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
1044	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe
4128	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4128	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3284	8611d5b5aa1da83c21e54e5c9d7eaeb6b1adb1d14aa957cc2b3f531ce76b76ea.exe
1320	nqpovlrry.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3284 wrote to memory of 2784	3284	8611d5b5aa1da83c21e54e5c9d7eaeb6b1adb1d14aa957cc2b3f531ce76b76ea.exe	92
PID 3284 wrote to memory of 2784	3284	8611d5b5aa1da83c21e54e5c9d7eaeb6b1adb1d14aa957cc2b3f531ce76b76ea.exe	92
PID 3284 wrote to memory of 2784	3284	8611d5b5aa1da83c21e54e5c9d7eaeb6b1adb1d14aa957cc2b3f531ce76b76ea.exe	92
PID 2784 wrote to memory of 1044	2784	cmd.exe	94
PID 2784 wrote to memory of 1044	2784	cmd.exe	94
PID 2784 wrote to memory of 1044	2784	cmd.exe	94
PID 2784 wrote to memory of 1320	2784	cmd.exe	97
PID 2784 wrote to memory of 1320	2784	cmd.exe	97
PID 2784 wrote to memory of 1320	2784	cmd.exe	97
PID 1320 wrote to memory of 4128	1320	nqpovlrry.exe	99
PID 1320 wrote to memory of 4128	1320	nqpovlrry.exe	99
PID 1320 wrote to memory of 4128	1320	nqpovlrry.exe	99

C:\Users\Admin\AppData\Local\Temp\8611d5b5aa1da83c21e54e5c9d7eaeb6b1adb1d14aa957cc2b3f531ce76b76ea.exe
"C:\Users\Admin\AppData\Local\Temp\8611d5b5aa1da83c21e54e5c9d7eaeb6b1adb1d14aa957cc2b3f531ce76b76ea.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3284
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\nqpovlrry.exe "C:\Users\Admin\AppData\Local\Temp\8611d5b5aa1da83c21e54e5c9d7eaeb6b1adb1d14aa957cc2b3f531ce76b76ea.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - Runs ping.exe
    PID:1044
- - C:\Users\Admin\AppData\Local\Temp\nqpovlrry.exe
    C:\Users\Admin\AppData\Local\Temp\\nqpovlrry.exe "C:\Users\Admin\AppData\Local\Temp\8611d5b5aa1da83c21e54e5c9d7eaeb6b1adb1d14aa957cc2b3f531ce76b76ea.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Drops file in Program Files directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1320
  - - \??\c:\windows\SysWOW64\rundll32.exe
      c:\windows\system32\rundll32.exe "c:\Program Files\echno\bezvn.dll",Verify C:\Users\Admin\AppData\Local\Temp\nqpovlrry.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)
      Suspicious use of NtSetInformationThreadHideFromDebugger
      Checks processor information in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4128

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=4080,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=4376 /prefetch:8
1⤵
PID:1964

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\nqpovlrry.exe

Filesize
406KB

MD5
eae92bcce52a6a76c4e52c75f98102ac

SHA1
abb69fdec94546cf72130ec5d8bc0f8d17e3607b

SHA256
9b95f7e1cca92427a8e5b93c1074d263a4ef79effc39a6f01a82b5e44122349c

SHA512
d477d3362df8f5a6e75a26a9f106b806e731c4cf66424e59b60770555247f2e7f425be6e7c2513883657454580fdbc13a4e1999e5e473afadcb2909667e139e6

Download Submit
\??\c:\Program Files\echno\bezvn.dll

Filesize
228KB

MD5
b8162a2d9401c22d83e80633eea2a73b

SHA1
fcea55155e08b1a0fb3421942d143ce9f7280ee1

SHA256
b8f46de858f153e9a42ab7236e60d6b2b826644fccee734c1be9c91579a954a7

SHA512
606a957b0f88cde782e91c64d1010c75d951439b0d37f3efdb800c8214ca690d4a1a487ebb279dc60cdbc7264e3209ddf79d37a485d8ea66053ea4cf07a367d3

Download Submit
memory/1320-6-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1320-8-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3284-0-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/3284-2-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4128-11-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/4128-12-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download
memory/4128-14-0x0000000010000000-0x0000000010080000-memory.dmp

Filesize
512KB

Download