981eeb419fd3ac1a7701cebe39149c89c8ba22a389936e93b3984d9640fdfad8

Analysis

max time kernel
119s
max time network
130s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
04/05/2024, 21:58

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General

Target

art/sound/blends/0BE1F1A5405C187702AEE893B40ABF5F.sfxBlend2D.json
Size

5KB
MD5

07c55b691b75f41163032ad10c4767d9
SHA1

cfed9670892d97f3b484dc5ea16bcff2eb242f1e
SHA256

357400402d8bec36a8388a3fad3ec287d93ba2c51665d1aa2e7bf3d301d12dbb
SHA512

7b5e48c256441c053d656a41ec71bc1b445e56c34b31e67b037b077154d97cd31c9efcb8e3d4c6882e17ac580dbb894256cf43d5a06abaa6055e38ef03c4f0ce
SSDEEP

96:FwcWTZKqeD+SaaaiGG4WoSSaKgsC6IfgZKKZCY8SwstZOILeypRV11h9BnNX+Q1M:pWKqeD+SaaaiGG4WoSSaKgsC6IfqKYCz

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-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_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-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2720	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2720	AcroRd32.exe
2720	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 2664	2928	cmd.exe	29
PID 2928 wrote to memory of 2664	2928	cmd.exe	29
PID 2928 wrote to memory of 2664	2928	cmd.exe	29
PID 2664 wrote to memory of 2720	2664	rundll32.exe	30
PID 2664 wrote to memory of 2720	2664	rundll32.exe	30
PID 2664 wrote to memory of 2720	2664	rundll32.exe	30
PID 2664 wrote to memory of 2720	2664	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\art\sound\blends\0BE1F1A5405C187702AEE893B40ABF5F.sfxBlend2D.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2928
- 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\0BE1F1A5405C187702AEE893B40ABF5F.sfxBlend2D.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2664
- - 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\0BE1F1A5405C187702AEE893B40ABF5F.sfxBlend2D.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2720

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

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
506c25d3184eafd2e0d4373473327ae9

SHA1
24780679185fadf2be976548bd6cd87ddfad299e

SHA256
fe72eb80d8ced23478d1024b55f64a7453b419ec4de86b703f1ddab64655dd0d

SHA512
04ea6d7d272b6c91d23e2c7aca2f70659bde0570d75bf90906acc1e357d618eb18ff0d6429202e13138239c389d1f1a2daf6d02dbaba7a60ebe1aed231d82870

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