6b882343e3fa8521188afbe3d42ea193b727e000aae1c222991b549c456860d9

Analysis

max time kernel
160s
max time network
132s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24/02/2024, 21:01

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General

Target

a2bf5b9095fae795dcd7535d052ddf90.exe
Size

15KB
MD5

a2bf5b9095fae795dcd7535d052ddf90
SHA1

66d7a561ccc3d433d4752141bef0f59bfcd71907
SHA256

6b882343e3fa8521188afbe3d42ea193b727e000aae1c222991b549c456860d9
SHA512

52d1074d58fbdbe34353bbe0d806294621e96117291c88158a9af261ef232a5cdf900e5ae05f8fc7a881486a09d9caa02bf4f2e28212b1e256da970b7996e1d6
SSDEEP

192:hfLTxIp9MdNaxm4Uoq1o3+eXYutm+eosahtcXn9iGbyVcxM4P3FVQDueRie6iuI4:JrEyWX/DM9iGOqxMCQ6eRLzuI3GrAs

Score

7^/10

persistence upx

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
2504	a2bf5b9095fae795dcd7535d052ddf90.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2504-0-0x0000000000400000-0x000000000040C000-memory.dmp	upx
behavioral1/memory/2504-9-0x0000000000400000-0x000000000040C000-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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RUN\NVDispDrv = "C:\\Windows\\NVDispDrv.exe"	a2bf5b9095fae795dcd7535d052ddf90.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\NVDispDrv.dll	a2bf5b9095fae795dcd7535d052ddf90.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\NVDispDrv.exe	a2bf5b9095fae795dcd7535d052ddf90.exe
File opened for modification	C:\Windows\NVDispDrv.exe	a2bf5b9095fae795dcd7535d052ddf90.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2504	a2bf5b9095fae795dcd7535d052ddf90.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2504	a2bf5b9095fae795dcd7535d052ddf90.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 1196	2504	a2bf5b9095fae795dcd7535d052ddf90.exe	10
PID 2504 wrote to memory of 1196	2504	a2bf5b9095fae795dcd7535d052ddf90.exe	10

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\a2bf5b9095fae795dcd7535d052ddf90.exe
  "C:\Users\Admin\AppData\Local\Temp\a2bf5b9095fae795dcd7535d052ddf90.exe"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2504

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Windows\SysWOW64\NVDispDrv.dll

Filesize
18KB

MD5
01f6c523177292aec82faa49f58aba7c

SHA1
40644f0ad4fd35834a7f24ea1aa58c928deb2420

SHA256
5ba2a6ee53cbfe3d122662c1ea0fc9da766d0f265860dddcc0d40f38efb64132

SHA512
abddb84e5d972c5e45ca11c54884c457e36aebfaff80d1225e297814a05c6660165b04d0199167395432414b8b162554881a8da435203aa3b84e417badeabb44

Download Submit
memory/1196-3-0x0000000002970000-0x0000000002971000-memory.dmp

Filesize
4KB

Download
memory/2504-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2504-9-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2504-13-0x0000000010000000-0x0000000010008000-memory.dmp

Filesize
32KB

Download