0929449c2299832fe787d7b24836ecffb925e17ce915da1a90b99c49e77b56d3

Analysis

max time kernel
120s
max time network
127s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
17-07-2024 21:48

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General

Target

NSM.lic
Size

259B
MD5

3a88847f4bbf7199a2161ed963fe88ef
SHA1

8629803adb6af84691dc5431b6590df14bad4a61
SHA256

a680947aba5cf3316be50f1ec6a0d8bf72f7d7ca79d91430c26e24680eddd35e
SHA512

2b6408e7334946655045914b2cfa14dcfb39502f64ffafad784717a8ca036b73928bd7a5b02d650d8698357c54c31cac11a705baed0e1e7a3a07d659a2104e02

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.lic	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\lic_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\lic_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\lic_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\lic_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\lic_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\lic_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.lic\ = "lic_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2648	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2648	AcroRd32.exe
2648	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 2600	2356	cmd.exe	31
PID 2356 wrote to memory of 2600	2356	cmd.exe	31
PID 2356 wrote to memory of 2600	2356	cmd.exe	31
PID 2600 wrote to memory of 2648	2600	rundll32.exe	32
PID 2600 wrote to memory of 2648	2600	rundll32.exe	32
PID 2600 wrote to memory of 2648	2600	rundll32.exe	32
PID 2600 wrote to memory of 2648	2600	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\NSM.lic
1⤵
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\NSM.lic
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2600
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\NSM.lic"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
afe421f42ee1e1f14429bceb138401f9

SHA1
07679542f68c6fde31063703f74ecb2ba0254b6d

SHA256
839ad8a4315639a9de2061fbdd84097da96e1c50fc812fae01af02b49a0a0b76

SHA512
593a01154e380363cd332856c1415566333148db5e5fec1572fba5ea005a8252f8e69c08a8165f01835deba842f492f08ea5cfe981b13255d1f6394122b29450

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