0894f838e2ff9f2dd7b58fc9116af789f9aa270a22cf8082e5bc9fa50e26720d

General

Target

0894f838e2ff9f2dd7b58fc9116af789f9aa270a22cf8082e5bc9fa50e26720d.exe
Size

3.0MB
MD5

3fd92fb1598e59931f66fd408797f799
SHA1

22d4b3329f66c9120aa44336fee02b597fd090f2
SHA256

0894f838e2ff9f2dd7b58fc9116af789f9aa270a22cf8082e5bc9fa50e26720d
SHA512

aed8588e25795c2cff3cf6066a479403d4b26b63d57993ecf8a1a8e300b9644d721daf677456f093aee5a21837f33cd68d7f5fb5bb99bb6ea890ec7e7d953002
SSDEEP

49152:r4z9MjQL6DW21yxAfovAF6RKcDx+29uWV9D489id:kZMY6DW21+AAvAF6RKI91PM+O

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2760	NSUDOLC.exe

Loads dropped DLL 1 IoCs

pid	Process
2416	cmd.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:	0894f838e2ff9f2dd7b58fc9116af789f9aa270a22cf8082e5bc9fa50e26720d.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
2856	taskkill.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2760	NSUDOLC.exe
2760	NSUDOLC.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2128	0894f838e2ff9f2dd7b58fc9116af789f9aa270a22cf8082e5bc9fa50e26720d.exe
Token: SeDebugPrivilege	2856	taskkill.exe
Token: SeDebugPrivilege	2760	NSUDOLC.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2128	0894f838e2ff9f2dd7b58fc9116af789f9aa270a22cf8082e5bc9fa50e26720d.exe
2128	0894f838e2ff9f2dd7b58fc9116af789f9aa270a22cf8082e5bc9fa50e26720d.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2416	2128	0894f838e2ff9f2dd7b58fc9116af789f9aa270a22cf8082e5bc9fa50e26720d.exe	28
PID 2128 wrote to memory of 2416	2128	0894f838e2ff9f2dd7b58fc9116af789f9aa270a22cf8082e5bc9fa50e26720d.exe	28
PID 2128 wrote to memory of 2416	2128	0894f838e2ff9f2dd7b58fc9116af789f9aa270a22cf8082e5bc9fa50e26720d.exe	28
PID 2128 wrote to memory of 2416	2128	0894f838e2ff9f2dd7b58fc9116af789f9aa270a22cf8082e5bc9fa50e26720d.exe	28
PID 2416 wrote to memory of 2856	2416	cmd.exe	30
PID 2416 wrote to memory of 2856	2416	cmd.exe	30
PID 2416 wrote to memory of 2856	2416	cmd.exe	30
PID 2416 wrote to memory of 2856	2416	cmd.exe	30
PID 2416 wrote to memory of 2760	2416	cmd.exe	32
PID 2416 wrote to memory of 2760	2416	cmd.exe	32
PID 2416 wrote to memory of 2760	2416	cmd.exe	32
PID 2416 wrote to memory of 2760	2416	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\0894f838e2ff9f2dd7b58fc9116af789f9aa270a22cf8082e5bc9fa50e26720d.exe
"C:\Users\Admin\AppData\Local\Temp\0894f838e2ff9f2dd7b58fc9116af789f9aa270a22cf8082e5bc9fa50e26720d.exe"
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\temp.bat
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2416
- - C:\Windows\SysWOW64\taskkill.exe
    TASKKILL /F /PID 2128
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2856
- - C:\Users\Admin\AppData\Local\Temp\NSUDOLC.exe
    NSUDOLC /U:S /P:E C:\Users\Admin\AppData\Local\Temp\0894f838e2ff9f2dd7b58fc9116af789f9aa270a22cf8082e5bc9fa50e26720d.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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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
5bd62389a33db1ea16976f3bfb5722d0

SHA1
db920eb5518a0ba47d1c0a52ab1732647780b63c

SHA256
261a73baedf4ce8d9337c4c523f8965df4fc11ae56f683ef3535c1acdc4addf9

SHA512
d02210817ca0fc791ce106202223339b3f28421dc6d595e33f567419d98501443a4929b94a64df59e69d54314c35a25ebf0ac6bbf0941159ba8e4130305aac2c

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

Filesize
145B

MD5
5bd62389a33db1ea16976f3bfb5722d0

SHA1
db920eb5518a0ba47d1c0a52ab1732647780b63c

SHA256
261a73baedf4ce8d9337c4c523f8965df4fc11ae56f683ef3535c1acdc4addf9

SHA512
d02210817ca0fc791ce106202223339b3f28421dc6d595e33f567419d98501443a4929b94a64df59e69d54314c35a25ebf0ac6bbf0941159ba8e4130305aac2c

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

Filesize
99KB

MD5
0ac3e9d59309f599403ac51615bfe41b

SHA1
9041c5562558cb58ac98bd18de3c0ce370a59e1f

SHA256
6d5e116c2af78b5585602d91bca3a436a0350630fc7c08412c0cafe55199547c

SHA512
e5de92202f4d3ecaff8bd65c99cbbc98c2deaafafe1620be7169d0fed467bfa11ce727fa78f686166758ee3df0b040a2643dbd5a46ee74cc679e647ebdad6910

Download Submit

Analysis

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