2468a1afd4808daae3e762ceafa3559b7633a836384358bb652bfae77791ed6f

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06/03/2024, 00:03

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General

Target

splashes.json
Size

190B
MD5

f21e0167d6cbe12f193acb057bea097c
SHA1

0410b8f5f9fa871964981826fad87f01423012ea
SHA256

3af2df001bf05b1901637d0c6c186ffe5733b383addffb1330c91a559ad6457c
SHA512

e2fc2aa7a62a270ae3872bac82473c7d940dc8c414a72c9a4206e9208218106405e43735f190739d4a1860027cb02588f784893f1c3d394243de66a8d36f3273

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-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\json_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\json_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
2732	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2732	AcroRd32.exe
2732	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2952 wrote to memory of 2576	2952	cmd.exe	29
PID 2952 wrote to memory of 2576	2952	cmd.exe	29
PID 2952 wrote to memory of 2576	2952	cmd.exe	29
PID 2576 wrote to memory of 2732	2576	rundll32.exe	30
PID 2576 wrote to memory of 2732	2576	rundll32.exe	30
PID 2576 wrote to memory of 2732	2576	rundll32.exe	30
PID 2576 wrote to memory of 2732	2576	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\splashes.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2952
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\splashes.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2576
- - 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\splashes.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2732

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
e2692c440837a20672471a6677db56d2

SHA1
04a0c40638802842de61652c83fecd098ee480e8

SHA256
c6306037c981bc26dc8929ed53fd81a75800b77bc7912db89091d65e4c3c48d6

SHA512
627dee951022d46193eb51d6909d9c7c56369bf9d47010be60f180f5474aba5101a9e57c03ded4df75e627f01227520824beba83dcaf37c37b02fd6dd846642d

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