981eeb419fd3ac1a7701cebe39149c89c8ba22a389936e93b3984d9640fdfad8

Analysis

max time kernel
121s
max time network
130s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
04/05/2024, 21:58

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General

Target

art/sound/blends/7A09CBD542D071044236308F863FE819.sfxBlend2D.json
Size

5KB
MD5

b600f3a25f1e6d87a8c2bcc690fc1cb4
SHA1

fe3309167f36cf8f39e3ed38bf0c5a3e30554bd6
SHA256

87070f6f2b4126b2971c05ba9ed6436a39c6b11e91b0a0d020a754964c63a4d9
SHA512

8e3cd769dc1e8854ab6a527cdea6797100609a243613646c5751bfb7de5946a48fcee0a5cf2f7be94f456ac8757a9aed2bc105c7b25c0d10674d26b8b70a1dad
SSDEEP

96:FwHlTWc8vMkE4QQUss6sCE4QMuOYERAlWwHWsCWQW9rZvB/zLzTbTvpb5/D7TrZV:RR8x1T

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-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\json_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1764	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1764	AcroRd32.exe
1764	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2968 wrote to memory of 2612	2968	cmd.exe	29
PID 2968 wrote to memory of 2612	2968	cmd.exe	29
PID 2968 wrote to memory of 2612	2968	cmd.exe	29
PID 2612 wrote to memory of 1764	2612	rundll32.exe	30
PID 2612 wrote to memory of 1764	2612	rundll32.exe	30
PID 2612 wrote to memory of 1764	2612	rundll32.exe	30
PID 2612 wrote to memory of 1764	2612	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\art\sound\blends\7A09CBD542D071044236308F863FE819.sfxBlend2D.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2968
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\art\sound\blends\7A09CBD542D071044236308F863FE819.sfxBlend2D.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2612
- - 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\art\sound\blends\7A09CBD542D071044236308F863FE819.sfxBlend2D.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1764

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
a2f56e58e506664dae9e0867080023c2

SHA1
ccf62794636fbdea62dcb4e9de030241525bee9d

SHA256
90ceaa891976f99ae6bf229c371247473ac118ccf80044be452d24332a61cbd5

SHA512
5a0459b52a3e4dc5866d3b57a12349923bdca46406e7397dc5fbd9a2552690f5c141befd422fecbd3e764df0dfc4f3fbe5666560dc5be3e45b0cf42906898df7

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