843d5892ae16569f2b69899a9b344c4d8a36d441591006c9075c497a3bf7af20

Analysis

max time kernel
152s
max time network
127s
platform
windows7_x64
resource
win7-20230824-en
resource tags

arch:x64arch:x86image:win7-20230824-enlocale:en-usos:windows7-x64system
submitted
29-08-2023 18:41

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General

Target

tmp/v8-compile-cache-1000/11.3.244.8-node.10/zSusrzSlibzSnode_moduleszScorepackzSdistzSpnpm.js.blob
Size

851KB
MD5

4398e5da74c825f958cadabb3da3f92f
SHA1

0a8ee6fef193481b5ba5971f4329118487fe23c9
SHA256

0cfb4f1b3bc28d13b3ea83f6fef6ec1834e22bc05a04b0ad7719aeece5a1dfb5
SHA512

d894527732fedbc8e52cfd7a1d6ba1fb22b7b7e128aecceab3ce3033d5b03ae29aef6a00c84a9fca1d4dcefa01663728292f8be84030a3cf261813bb3f5af2e7
SSDEEP

12288:CwSeF7NJWOKbfM1+ZNW9ZPxetdU4Ni1+CCcYn:jx4OKbf2+NW9ZQtDiScYn

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-1-5-21-1528014236-771305907-3973026625-1000_CLASSES\.blob	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1528014236-771305907-3973026625-1000_CLASSES\.blob\ = "blob_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1528014236-771305907-3973026625-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1528014236-771305907-3973026625-1000_CLASSES\blob_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1528014236-771305907-3973026625-1000_CLASSES\blob_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1528014236-771305907-3973026625-1000_CLASSES\blob_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1528014236-771305907-3973026625-1000_CLASSES\blob_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1528014236-771305907-3973026625-1000_CLASSES\blob_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1528014236-771305907-3973026625-1000_CLASSES\blob_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2708	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2708	AcroRd32.exe
2708	AcroRd32.exe
2708	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2960	2336	cmd.exe	30
PID 2336 wrote to memory of 2960	2336	cmd.exe	30
PID 2336 wrote to memory of 2960	2336	cmd.exe	30
PID 2960 wrote to memory of 2708	2960	rundll32.exe	31
PID 2960 wrote to memory of 2708	2960	rundll32.exe	31
PID 2960 wrote to memory of 2708	2960	rundll32.exe	31
PID 2960 wrote to memory of 2708	2960	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\tmp\v8-compile-cache-1000\11.3.244.8-node.10\zSusrzSlibzSnode_moduleszScorepackzSdistzSpnpm.js.blob
1⤵
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\tmp\v8-compile-cache-1000\11.3.244.8-node.10\zSusrzSlibzSnode_moduleszScorepackzSdistzSpnpm.js.blob
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2960
- - 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\tmp\v8-compile-cache-1000\11.3.244.8-node.10\zSusrzSlibzSnode_moduleszScorepackzSdistzSpnpm.js.blob"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2708

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
c4a562e6c19f9bb63ac924881b619616

SHA1
3050a6f0080f57623ee9382aaa9b3c49186a91a0

SHA256
24213abab983450aa04b376455859819cbceb00684a1933f03f733950957a490

SHA512
c8c3d557443b8d107eaf5051b3564afa711b0c8e32972294b4a317dd7e5fd94299d4b04bf3f442d7dce6614110105460ae7052817b45b03d853fd5f31948a661

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