70472aa587951ff40c598b3daa4aff1897ef9ece58662e946f42fa2d31650306

Analysis

max time kernel
149s
max time network
199s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 07:33

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General

Target

70472aa587951ff40c598b3daa4aff1897ef9ece58662e946f42fa2d31650306.exe
Size

3.1MB
MD5

056ff71fcb650295de4af466938f602c
SHA1

37b774f9240b2e857105cf34d27fd39d59667528
SHA256

70472aa587951ff40c598b3daa4aff1897ef9ece58662e946f42fa2d31650306
SHA512

84f9d2f1c9c3f10f89709babbc197ca66e3a9d0c4703723fab86e4f5e78de7bf69ddddf08b3ddb098dad67a21de4d03ac32a4b97d63cc62c57bf688fe00391a0
SSDEEP

49152:E3WKw+1y/8nlKh5jZg/7DaxAfovAF6RKcCx+29uWV9D489MM7rbI:ED1yWliUDmAAvAF6RKj91PM+y

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
368	NSUDOLC.exe

Enumerates connected drives 3 TTPs 1 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)	\??\F:	70472aa587951ff40c598b3daa4aff1897ef9ece58662e946f42fa2d31650306.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
4900	taskkill.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
368	NSUDOLC.exe
368	NSUDOLC.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3464	70472aa587951ff40c598b3daa4aff1897ef9ece58662e946f42fa2d31650306.exe
Token: SeDebugPrivilege	4900	taskkill.exe
Token: SeDebugPrivilege	368	NSUDOLC.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3464	70472aa587951ff40c598b3daa4aff1897ef9ece58662e946f42fa2d31650306.exe
3464	70472aa587951ff40c598b3daa4aff1897ef9ece58662e946f42fa2d31650306.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3464 wrote to memory of 4512	3464	70472aa587951ff40c598b3daa4aff1897ef9ece58662e946f42fa2d31650306.exe	96
PID 3464 wrote to memory of 4512	3464	70472aa587951ff40c598b3daa4aff1897ef9ece58662e946f42fa2d31650306.exe	96
PID 3464 wrote to memory of 4512	3464	70472aa587951ff40c598b3daa4aff1897ef9ece58662e946f42fa2d31650306.exe	96
PID 4512 wrote to memory of 4900	4512	cmd.exe	98
PID 4512 wrote to memory of 4900	4512	cmd.exe	98
PID 4512 wrote to memory of 4900	4512	cmd.exe	98
PID 4512 wrote to memory of 368	4512	cmd.exe	99
PID 4512 wrote to memory of 368	4512	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\70472aa587951ff40c598b3daa4aff1897ef9ece58662e946f42fa2d31650306.exe
"C:\Users\Admin\AppData\Local\Temp\70472aa587951ff40c598b3daa4aff1897ef9ece58662e946f42fa2d31650306.exe"
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3464
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\temp.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4512
- - C:\Windows\SysWOW64\taskkill.exe
    TASKKILL /F /PID 3464
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4900
- - C:\Users\Admin\AppData\Local\Temp\NSUDOLC.exe
    NSUDOLC /U:S /P:E C:\Users\Admin\AppData\Local\Temp\70472aa587951ff40c598b3daa4aff1897ef9ece58662e946f42fa2d31650306.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:368

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
99KB

MD5
0ac3e9d59309f599403ac51615bfe41b

SHA1
9041c5562558cb58ac98bd18de3c0ce370a59e1f

SHA256
6d5e116c2af78b5585602d91bca3a436a0350630fc7c08412c0cafe55199547c

SHA512
e5de92202f4d3ecaff8bd65c99cbbc98c2deaafafe1620be7169d0fed467bfa11ce727fa78f686166758ee3df0b040a2643dbd5a46ee74cc679e647ebdad6910

Download Submit
C:\Users\Admin\AppData\Local\Temp\temp.bat

Filesize
145B

MD5
9600dc06a07682de1a268554f4383f7a

SHA1
72516c73d935b4389497de5fed103d142b5e1595

SHA256
e616d9ac1ed382632b893a38cb57c4adca035273b80d039873b285e7a65fce38

SHA512
9582b704e42685532f2cf621b4028d5d90587272efa425551fd75692388f91eb7b699bf8312ca4ae78fd2faed16077fb1ebc5bbc5c3583379ba7a873bae19b7c

Download Submit
memory/3464-0-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download
memory/3464-7-0x0000000000400000-0x000000000076D000-memory.dmp

Filesize
3.4MB

Download