e91056d140d4b1f647fa92d6ddab5c986c8eb54f738f8c84ce0de009ba901580

Resubmissions

21-07-2024 19:41

240721-yehdfs1epe 1

21-07-2024 19:41

240721-yd3m1a1ene 7

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
21-07-2024 19:41

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General

Target

manifest.json
Size

1KB
MD5

a72c4c2d510b2f211e5bbf3141c934ce
SHA1

6578a550fc4c34db4cedcc0433b61515a4e71f66
SHA256

bbf2ac6fd47e9e327f24f1f7fe0a60347da815d5ebfd72caddbdd376f3f80cf0
SHA512

950810bd40a1fd134e2750fd40bbef69bf95208f4c6ff7fc5d0f3a0b1afca323592050c708bc3f49806d7c6c84d7c315449b60af97852ad431f575caac126722

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-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_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-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2840	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2840	AcroRd32.exe
2840	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 2340	3016	cmd.exe	31
PID 3016 wrote to memory of 2340	3016	cmd.exe	31
PID 3016 wrote to memory of 2340	3016	cmd.exe	31
PID 2340 wrote to memory of 2840	2340	rundll32.exe	32
PID 2340 wrote to memory of 2840	2340	rundll32.exe	32
PID 2340 wrote to memory of 2840	2340	rundll32.exe	32
PID 2340 wrote to memory of 2840	2340	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\manifest.json
1⤵
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\manifest.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2340
- - 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\manifest.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2840

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
4c505be92c6cef17c7eb5ed47ad17ed1

SHA1
07b8080534e6fd39a7e3b5cedf972a17d81f9a6b

SHA256
dd09fa831041f79fc3d832ae3a0b5668b0555b3a6f2b91f0d5acba4451579f78

SHA512
377c7aa190053dba5c40db7e66d8640b6edf39c55bc1f087b398ffa79156ea37ddb25b6682d218ee13b88d11bbebc9edbc8bb0b1c57cb54b3d4928e4eb0fa6c7

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