702d28a918a048d292d1f0bd7d7963da047b4920b3ac7b16daa043f9701f42e0

Analysis

max time kernel
164s
max time network
180s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
23/12/2023, 10:57

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General

Target

702d28a918a048d292d1f0bd7d7963da047b4920b3ac7b16daa043f9701f42e0.exe
Size

3.2MB
MD5

238a6a9df3087cc33a6c76433e89ae7b
SHA1

10cd4fb4f53c76c46c7550e8240c7da50680eec6
SHA256

702d28a918a048d292d1f0bd7d7963da047b4920b3ac7b16daa043f9701f42e0
SHA512

c230be86800d50169b84afe39e5e0ff7599e731af466853c7f6d4093354c6259fbbfcb8a283b99b7ce08ee758d14e0272bafff1c124f07d3f951653cd1b55646
SSDEEP

49152:YxdVJwZrWzElHkm7xAfovAF6RKcwSx+29uWV9D489V:YxRjzElE2AAvAF6RKx291PM+V

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2156	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:	702d28a918a048d292d1f0bd7d7963da047b4920b3ac7b16daa043f9701f42e0.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
3420	taskkill.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2156	NSUDOLC.exe
2156	NSUDOLC.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4660	702d28a918a048d292d1f0bd7d7963da047b4920b3ac7b16daa043f9701f42e0.exe
Token: SeDebugPrivilege	3420	taskkill.exe
Token: SeDebugPrivilege	2156	NSUDOLC.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4660	702d28a918a048d292d1f0bd7d7963da047b4920b3ac7b16daa043f9701f42e0.exe
4660	702d28a918a048d292d1f0bd7d7963da047b4920b3ac7b16daa043f9701f42e0.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4660 wrote to memory of 3580	4660	702d28a918a048d292d1f0bd7d7963da047b4920b3ac7b16daa043f9701f42e0.exe	91
PID 4660 wrote to memory of 3580	4660	702d28a918a048d292d1f0bd7d7963da047b4920b3ac7b16daa043f9701f42e0.exe	91
PID 4660 wrote to memory of 3580	4660	702d28a918a048d292d1f0bd7d7963da047b4920b3ac7b16daa043f9701f42e0.exe	91
PID 3580 wrote to memory of 3420	3580	cmd.exe	93
PID 3580 wrote to memory of 3420	3580	cmd.exe	93
PID 3580 wrote to memory of 3420	3580	cmd.exe	93
PID 3580 wrote to memory of 2156	3580	cmd.exe	96
PID 3580 wrote to memory of 2156	3580	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\702d28a918a048d292d1f0bd7d7963da047b4920b3ac7b16daa043f9701f42e0.exe
"C:\Users\Admin\AppData\Local\Temp\702d28a918a048d292d1f0bd7d7963da047b4920b3ac7b16daa043f9701f42e0.exe"
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4660
- 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:3580
- - C:\Windows\SysWOW64\taskkill.exe
    TASKKILL /F /PID 4660
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3420
- - C:\Users\Admin\AppData\Local\Temp\NSUDOLC.exe
    NSUDOLC /U:S /P:E C:\Users\Admin\AppData\Local\Temp\702d28a918a048d292d1f0bd7d7963da047b4920b3ac7b16daa043f9701f42e0.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2156

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
978220f32785b0a5f21c888832508a53

SHA1
1c962d1ccd31987f7c52c46cdba9c75b1bbe386c

SHA256
285c20761a7132a103c3de2d0a0ffd5b5944a72a74bd3612ca01a98571a3b50f

SHA512
2a34a4f6d6c8a66539eaccd87fc72e56293a472f2be949eef09bee5b53f65a70ab883cc0ecc4786adc3aa342cf2a5ea65472abab9c7f7a888013ed3b5cabe7a9

Download Submit
memory/4660-0-0x0000000000400000-0x000000000077D000-memory.dmp

Filesize
3.5MB

Download
memory/4660-7-0x0000000000400000-0x000000000077D000-memory.dmp

Filesize
3.5MB

Download