843d5892ae16569f2b69899a9b344c4d8a36d441591006c9075c497a3bf7af20

Analysis

max time kernel
150s
max time network
122s
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/zShomezSmrkdzS.cachezSnodezScorepackzSyarnzS1.22.19zSbinzSyarn.js.blob
Size

2.1MB
MD5

6d0eb9a6ba3f31a0ae27a98c72286dd8
SHA1

263253b7854a18264f639d71f03d7d56ad44b3cb
SHA256

f37cce8f970d19468c65d9c95d4decd5a8497289b44aa9978715487dfcc422f9
SHA512

5073b7bc24b7075769737e9bf25212b060b911ee0a40ae839e7b9e186d919eed828958725a13b1d6615b6933ded8fa26c341e742400f05dfd8dad65db68bbeba
SSDEEP

49152:RDicBPJEEfhOhgA0vJxK1SufJCTVI+6kV1zK4htq2fxtAOi:RDp9G4Kn

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
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\blob_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\.blob\ = "blob_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\blob_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\blob_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\blob_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\blob_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\.blob	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000_CLASSES\blob_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2876	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2876	AcroRd32.exe
2876	AcroRd32.exe
2876	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 524	2060	cmd.exe	29
PID 2060 wrote to memory of 524	2060	cmd.exe	29
PID 2060 wrote to memory of 524	2060	cmd.exe	29
PID 524 wrote to memory of 2876	524	rundll32.exe	30
PID 524 wrote to memory of 2876	524	rundll32.exe	30
PID 524 wrote to memory of 2876	524	rundll32.exe	30
PID 524 wrote to memory of 2876	524	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\zShomezSmrkdzS.cachezSnodezScorepackzSyarnzS1.22.19zSbinzSyarn.js.blob
1⤵
- Suspicious use of WriteProcessMemory
PID:2060
- 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\zShomezSmrkdzS.cachezSnodezScorepackzSyarnzS1.22.19zSbinzSyarn.js.blob
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:524
- - 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\zShomezSmrkdzS.cachezSnodezScorepackzSyarnzS1.22.19zSbinzSyarn.js.blob"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2876

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
bbb9b665dd82f0afdd8e978860a86ac0

SHA1
7022d16cbfbfecf666067af1855fc1bb5afb67ce

SHA256
43a8a19155bfb720738bcb271d2366e93ee8c66cb95ebc90cc8c146ff9cf95e6

SHA512
360176c49a4bdd8acc58f18f3988cb1801a9915ca1787a0089ea4c5bd42fbd9dd1abb01088b7ef9667e0b493912974c30115d8726ab2dffc08cfac8b47654e24

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