4d63caee8d2c5e50ebb220e6aa593fe852a516e209006ba0a16507907125f46c

Analysis

max time kernel
246s
max time network
179s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
16-11-2023 09:02

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General

Target

RuntimeInitializeOnLoads.json
Size

13B
MD5

6787a74350ff8c4498c93c89998afae3
SHA1

d2e2d92b3e4ea757ab451bfe092f50f0c142daaa
SHA256

6a33c1efd5944feb0cb1e012e26b30c3f43fec918e5643e72ab945a9c504ff13
SHA512

887a6309a6eea0a8af051aa5005a2167c4a520bc16187568854bea2dff7cbc3070596537821fbde86d3006393b37dfd0f750426140207be0e19ffc11aa47f2d1

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-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_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-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3425689832-2386927309-2650718742-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2552	AcroRd32.exe
2552	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 1968	2716	cmd.exe	29
PID 2716 wrote to memory of 1968	2716	cmd.exe	29
PID 2716 wrote to memory of 1968	2716	cmd.exe	29
PID 1968 wrote to memory of 2552	1968	rundll32.exe	30
PID 1968 wrote to memory of 2552	1968	rundll32.exe	30
PID 1968 wrote to memory of 2552	1968	rundll32.exe	30
PID 1968 wrote to memory of 2552	1968	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\RuntimeInitializeOnLoads.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2716
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RuntimeInitializeOnLoads.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1968
- - 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\RuntimeInitializeOnLoads.json"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2552

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
4561c8e5980a3ab230257a082f5f73ac

SHA1
d5045ea8e1c2319c8257a96c3f0ca84747805d11

SHA256
8f2ac3ab8f616e72b55bd91b019be1e491d6dee59f1c011ce969af70bba13d1b

SHA512
7316b8946b8965d90bf03ffc2bb141ae6da16f090730cce51b6591de3117397f3dc30a3a15bda0f653521def94044007e05ad89b76e57e6509b704c2759a714d

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