005072918d10c86f7d11dd67f1bd3e51a1dac78de08a666baf2235c46a62d38d

Analysis

max time kernel
151s
max time network
124s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
22/09/2023, 16:55

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General

Target

bungee.yml
Size

166B
MD5

99af73b2c33ed14bb72f4a29eb43d6da
SHA1

d8e1a44ae176f7fe37826194cb25c9d438473f47
SHA256

616b0a152ac4eb223d66089652cad6c645e9ac2eecb536da9fe144cc8e85022e
SHA512

0fda6542340439d95d8172f51b316e93eed2b73daf1541ccf8f9b43a6fb54c7d29537ff9e7b803773943c3b0819ee1f5f4ddc91c0fdf34c85a3796f433096908

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-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\.yml	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\.yml\ = "yml_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\yml_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\yml_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\yml_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\yml_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\yml_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000_CLASSES\yml_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2780	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 2772	3028	cmd.exe	29
PID 3028 wrote to memory of 2772	3028	cmd.exe	29
PID 3028 wrote to memory of 2772	3028	cmd.exe	29
PID 2772 wrote to memory of 2780	2772	rundll32.exe	30
PID 2772 wrote to memory of 2780	2772	rundll32.exe	30
PID 2772 wrote to memory of 2780	2772	rundll32.exe	30
PID 2772 wrote to memory of 2780	2772	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\bungee.yml
1⤵
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\bungee.yml
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2772
- - 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\bungee.yml"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2780

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
f1f065a9c416ceac32776ee1b0f06a05

SHA1
427ea097cdd8edf57b9683357aa300c06a3047bf

SHA256
f0fcb1784caa8f55a9d000f8b74410a14f1b30703c38d028ff6f983094c76acc

SHA512
91e78988aa89048a158c807bfb3450ec294f24dc848eaec0bd0eaccd11e162382731cd7bc491c8f90f03d8f5a364fdb0c505a27b125b8ea6cab4d85929a7f79a

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