ab7c206455650087394e8d2e5a401d693bf90597684cc6248cb98e6d54aa795e

General

Target

35995c46e72da847332fd0e646495f67.exe
Size

258KB
MD5

35995c46e72da847332fd0e646495f67
SHA1

8c9ceb038d3b41b53338eb82fae8257564984edb
SHA256

ab7c206455650087394e8d2e5a401d693bf90597684cc6248cb98e6d54aa795e
SHA512

08052404f0ada464a002865f528681c51c0602d333e9beb6ba78b954e63dd324cd31833380c7121b19d13f64f888d541afed4cd5bb5151755b8c488242d72889
SSDEEP

6144:uf4/sJYWEbhtwaBV5ZFDQH7i6aEaS/vsd9YoeVjWR:uf4QlGD3BV5ZFDfSRsd9YRB0

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3064	ntxtevt.exe

Executes dropped EXE 2 IoCs

pid	Process
3064	ntxtevt.exe
2644	bvdrf.exe

Loads dropped DLL 7 IoCs

pid	Process
3032	cmd.exe
3032	cmd.exe
3064	ntxtevt.exe
2644	bvdrf.exe
2644	bvdrf.exe
2644	bvdrf.exe
2644	bvdrf.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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\Cache = "c:\\Program Files\\ngfunompc\\bvdrf.exe \"c:\\Program Files\\ngfunompc\\bvdrf.dll\",Cache"	bvdrf.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)	\??\g:	bvdrf.exe
File opened (read-only)	\??\i:	bvdrf.exe
File opened (read-only)	\??\j:	bvdrf.exe
File opened (read-only)	\??\l:	bvdrf.exe
File opened (read-only)	\??\s:	bvdrf.exe
File opened (read-only)	\??\u:	bvdrf.exe
File opened (read-only)	\??\b:	bvdrf.exe
File opened (read-only)	\??\q:	bvdrf.exe
File opened (read-only)	\??\v:	bvdrf.exe
File opened (read-only)	\??\t:	bvdrf.exe
File opened (read-only)	\??\a:	bvdrf.exe
File opened (read-only)	\??\e:	bvdrf.exe
File opened (read-only)	\??\k:	bvdrf.exe
File opened (read-only)	\??\o:	bvdrf.exe
File opened (read-only)	\??\p:	bvdrf.exe
File opened (read-only)	\??\r:	bvdrf.exe
File opened (read-only)	\??\z:	bvdrf.exe
File opened (read-only)	\??\h:	bvdrf.exe
File opened (read-only)	\??\m:	bvdrf.exe
File opened (read-only)	\??\n:	bvdrf.exe
File opened (read-only)	\??\w:	bvdrf.exe
File opened (read-only)	\??\x:	bvdrf.exe
File opened (read-only)	\??\y:	bvdrf.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	bvdrf.exe

Drops file in Program Files directory 4 IoCs

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2700	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2644	bvdrf.exe
2644	bvdrf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2644	bvdrf.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2888	35995c46e72da847332fd0e646495f67.exe
3064	ntxtevt.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 3032	2888	35995c46e72da847332fd0e646495f67.exe	28
PID 2888 wrote to memory of 3032	2888	35995c46e72da847332fd0e646495f67.exe	28
PID 2888 wrote to memory of 3032	2888	35995c46e72da847332fd0e646495f67.exe	28
PID 2888 wrote to memory of 3032	2888	35995c46e72da847332fd0e646495f67.exe	28
PID 3032 wrote to memory of 2700	3032	cmd.exe	30
PID 3032 wrote to memory of 2700	3032	cmd.exe	30
PID 3032 wrote to memory of 2700	3032	cmd.exe	30
PID 3032 wrote to memory of 2700	3032	cmd.exe	30
PID 3032 wrote to memory of 3064	3032	cmd.exe	31
PID 3032 wrote to memory of 3064	3032	cmd.exe	31
PID 3032 wrote to memory of 3064	3032	cmd.exe	31
PID 3032 wrote to memory of 3064	3032	cmd.exe	31
PID 3064 wrote to memory of 2644	3064	ntxtevt.exe	32
PID 3064 wrote to memory of 2644	3064	ntxtevt.exe	32
PID 3064 wrote to memory of 2644	3064	ntxtevt.exe	32
PID 3064 wrote to memory of 2644	3064	ntxtevt.exe	32

C:\Users\Admin\AppData\Local\Temp\35995c46e72da847332fd0e646495f67.exe
"C:\Users\Admin\AppData\Local\Temp\35995c46e72da847332fd0e646495f67.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\ntxtevt.exe "C:\Users\Admin\AppData\Local\Temp\35995c46e72da847332fd0e646495f67.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:3032
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - Runs ping.exe
    PID:2700
- - C:\Users\Admin\AppData\Local\Temp\ntxtevt.exe
    C:\Users\Admin\AppData\Local\Temp\\ntxtevt.exe "C:\Users\Admin\AppData\Local\Temp\35995c46e72da847332fd0e646495f67.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Program Files directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3064
  - - \??\c:\Program Files\ngfunompc\bvdrf.exe
      "c:\Program Files\ngfunompc\bvdrf.exe" "c:\Program Files\ngfunompc\bvdrf.dll",Cache C:\Users\Admin\AppData\Local\Temp\ntxtevt.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:2644

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

Replay Monitor

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Downloads

\Program Files\ngfunompc\bvdrf.dll

Filesize
188KB

MD5
44675079f5284d4bf395b6bb41570c20

SHA1
a9cdf5ab663458b40357fe7a9781c2f833d64f91

SHA256
8345830e70cd05da55df4c970f2a3e0863ef2e16b15434ef0a4031002175b07c

SHA512
18ef0157513de45b6f11856df422a2d3db039d7c9f173725981ab8f1d1479cda94ed2ab6e1097d55766ccc65f12fadf18c37db3c42d48c4c0b41ab972c4afb31

Download Submit
\Program Files\ngfunompc\bvdrf.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\Users\Admin\AppData\Local\Temp\ntxtevt.exe

Filesize
258KB

MD5
d8a2dab10c24e668b18eec12d4f83568

SHA1
acded61b9fe037468f0fc8bca36812c8c8d385e0

SHA256
ca574d999e8026d1c643049016731494d9810e6c79d319d0640cc7d67cd660f8

SHA512
7e42c70b5f991c0f3e004209d0eca435a53c709573be75bd6e3402df53ac26211a9c9c7edcbea5b0b3aa7719b8894825683082599c4b5c384308fecc20ebd3fd

Download Submit
memory/2644-23-0x0000000010000000-0x000000001006F000-memory.dmp

Filesize
444KB

Download
memory/2644-24-0x0000000010000000-0x000000001006F000-memory.dmp

Filesize
444KB

Download
memory/2644-26-0x0000000010000000-0x000000001006F000-memory.dmp

Filesize
444KB

Download
memory/2888-0-0x0000000000400000-0x000000000048C050-memory.dmp

Filesize
560KB

Download
memory/2888-2-0x0000000000400000-0x000000000048C050-memory.dmp

Filesize
560KB

Download
memory/3032-5-0x0000000000160000-0x00000000001ED000-memory.dmp

Filesize
564KB

Download
memory/3032-11-0x0000000000160000-0x00000000001ED000-memory.dmp

Filesize
564KB

Download
memory/3064-8-0x0000000000400000-0x000000000048C050-memory.dmp

Filesize
560KB

Download
memory/3064-16-0x0000000000400000-0x000000000048C050-memory.dmp

Filesize
560KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads