de18b52ce66da390186a8981f6286402de23fe686408327c26a6b5ea98b01c84

Analysis

max time kernel
121s
max time network
131s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
04-02-2024 19:51

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General

Target

extension/server/node_modules/which/package.json
Size

1KB
MD5

6bcb9e5778d80ea1512a98d73d4e3c9a
SHA1

402837c5ba60f95b309957adc4657b8fe4fb1f05
SHA256

43010039ed5e89f7186960be682b3cb5cda5ab6cdfb06cbfd4f081cf0e7b4260
SHA512

4548011d1e4ed9f5d7fb5e408476a27b2a19f3beec5ac4a9bbddebc700a77ff0fb168ecc4917576a18f22d262f82649e9ec0c1242af752a7cfa0321ea4375aad

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-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\json_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\json_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2832	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2832	AcroRd32.exe
2832	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 2688	2664	cmd.exe	29
PID 2664 wrote to memory of 2688	2664	cmd.exe	29
PID 2664 wrote to memory of 2688	2664	cmd.exe	29
PID 2688 wrote to memory of 2832	2688	rundll32.exe	30
PID 2688 wrote to memory of 2832	2688	rundll32.exe	30
PID 2688 wrote to memory of 2832	2688	rundll32.exe	30
PID 2688 wrote to memory of 2832	2688	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\extension\server\node_modules\which\package.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\extension\server\node_modules\which\package.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2688
- - 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\extension\server\node_modules\which\package.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2832

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

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Downloads

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

Filesize
3KB

MD5
d68fa0fd4b436efbf769e4833ca4e03c

SHA1
873139e0874bbd072d77ffd5e9aa0cb66a5ee0ec

SHA256
ecdbc0aa6beb4bd628631b27fdfe22d18cf6ce5be1939e9c756c5cf9725dfa6f

SHA512
9e08fc33728fc5c1f2f15cd0db213eb6f76011b30247afda26c3b2e3c795129d5463b8ebaf4f2cd207ba5b9fb9f74c0be05bdaf498e9da6cea92fbe288e0c356

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