e0b820a33e76270053362e8b6152bfdd4eac152a7b0fec0931beb6c02f14328c

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
27/04/2024, 22:03

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General

Target

pack.mcmeta
Size

101B
MD5

674a30f4aae52a96d14ef2fbc69e3d83
SHA1

696aecc21c10eae2f56d31d051f9df31cbd3a6dc
SHA256

0818a4d5d24c39fd8ec7293a7023b9e71ec5b55012a8a132c286394aa3a58291
SHA512

9448f3c9982d60264ba3d11ec661c9d5d7486656aced806351c86213cb4e82f66e41e1b06f97df70eff374946fb10488aeffda272e35c888dedc5ae513a4f9d4

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-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\mcmeta_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\mcmeta_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.mcmeta	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.mcmeta\ = "mcmeta_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\mcmeta_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\mcmeta_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\mcmeta_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\mcmeta_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
2404	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2404	AcroRd32.exe
2404	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 2616	2860	cmd.exe	29
PID 2860 wrote to memory of 2616	2860	cmd.exe	29
PID 2860 wrote to memory of 2616	2860	cmd.exe	29
PID 2616 wrote to memory of 2404	2616	rundll32.exe	30
PID 2616 wrote to memory of 2404	2616	rundll32.exe	30
PID 2616 wrote to memory of 2404	2616	rundll32.exe	30
PID 2616 wrote to memory of 2404	2616	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\pack.mcmeta
1⤵
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\pack.mcmeta
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2616
- - 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\pack.mcmeta"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2404

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
2352406cb1b29c037e33704afb5098e2

SHA1
1028e7d5a6ce004bc5922eebeac6b5a3e7305b47

SHA256
f5b8dc6273da3aef1dca3e059c6de007063bd2d3cdd348e3513d90c602f6fa90

SHA512
95fd4a8233075b7f5af0b7bbd755db38bcfdde419b1462e9640680366ddd6eb62ed745175d48b491e34fcb52e9cc3be92c43cb9627ea6f5bd48ee0cf0524ec53

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