843d5892ae16569f2b69899a9b344c4d8a36d441591006c9075c497a3bf7af20

Analysis

max time kernel
150s
max time network
125s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-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_moduleszScorepackzSdistzSyarn.js.blob
Size

4KB
MD5

100fa352a622b0513559bc01fb1f7b10
SHA1

8d593ed98a682fbceed6033f3a31d0d3c3d6cff2
SHA256

3468378184af08ad9f05b204b07efbeb5e6b064d3ade87f5e163cda6b57a251e
SHA512

c9d731fae0b83c4276fba4b00ed2b0eaf12119a53074fcdc4f484b23696592a2003a2263a05620b67a1a7ad9e9de083be663080cbc0e12a78f49da240f89f6af
SSDEEP

96:FsVd0qJtFUevEag2vGZXRSoLtvrLzG+Y/bohXp82vDEjXfI:0JtFVGZXRSohzLzG+Cbob48

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-1-5-21-4159544280-4273523227-683900707-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\blob_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\.blob\ = "blob_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\blob_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\blob_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\blob_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\.blob	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\blob_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4159544280-4273523227-683900707-1000_CLASSES\blob_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1584	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 2436	1800	cmd.exe	29
PID 1800 wrote to memory of 2436	1800	cmd.exe	29
PID 1800 wrote to memory of 2436	1800	cmd.exe	29
PID 2436 wrote to memory of 1584	2436	rundll32.exe	30
PID 2436 wrote to memory of 1584	2436	rundll32.exe	30
PID 2436 wrote to memory of 1584	2436	rundll32.exe	30
PID 2436 wrote to memory of 1584	2436	rundll32.exe	30

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_moduleszScorepackzSdistzSyarn.js.blob
1⤵
- Suspicious use of WriteProcessMemory
PID:1800
- 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_moduleszScorepackzSdistzSyarn.js.blob
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2436
- - 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_moduleszScorepackzSdistzSyarn.js.blob"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1584

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
c4064d116a7f1c156c7ccd57990d59e5

SHA1
77a5ae9a76779279b73dd071069c1fe0f599b876

SHA256
189e9bae0f1c477427e603285c3b97ec8e743f6611d2bf5ca39a6a7d30bd2cf8

SHA512
7cf7f991b889a3459cbb44a4348abc57a983164d79c9b6152807aaabe16e4eadcd703882475f8a4a78a48e8b80f67f4df62ffdc779f4f1debc76d1fef73c52d1

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