a3807794c390acc037b4de2d88f9869406ec661946af0a9e4a06cbe1ee0ba4a5

Analysis

max time kernel
180s
max time network
58s
platform
windows7_x64
resource
win7-20230621-en
resource tags

arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
submitted
30-06-2023 18:56

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General

Target

06_Efe_Dcast.json
Size

1KB
MD5

9ee8812168fe2c83b72cba0e405735bf
SHA1

7ca71b101a2358a1a08a7361738d8a34eb431d98
SHA256

a14124971262bbd47f5f4ac66ba80ecff7e89b06ab725567fb26fb1a1f475e11
SHA512

2b6329fca38d26db7d184c1ed2d0f8808f622c39104e5d4ea6724f82c70b48ef50d26935cc2b87d6280e7aca75ae3d8f136bdcbb90429580bf2eca22eb7e397c

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-1-5-21-1306246566-3334493410-3785284834-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1306246566-3334493410-3785284834-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1306246566-3334493410-3785284834-1000_CLASSES\json_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1306246566-3334493410-3785284834-1000_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-1-5-21-1306246566-3334493410-3785284834-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1306246566-3334493410-3785284834-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1306246566-3334493410-3785284834-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1306246566-3334493410-3785284834-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1306246566-3334493410-3785284834-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1804	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1804	AcroRd32.exe
1804	AcroRd32.exe
1804	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 1196	1700	cmd.exe	29
PID 1700 wrote to memory of 1196	1700	cmd.exe	29
PID 1700 wrote to memory of 1196	1700	cmd.exe	29
PID 1196 wrote to memory of 1804	1196	rundll32.exe	30
PID 1196 wrote to memory of 1804	1196	rundll32.exe	30
PID 1196 wrote to memory of 1804	1196	rundll32.exe	30
PID 1196 wrote to memory of 1804	1196	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\06_Efe_Dcast.json
1⤵
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\06_Efe_Dcast.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1196
- - 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\06_Efe_Dcast.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1804

Network

MITRE ATT&CK Enterprise v6

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
cab9122b9ed6605ea36fe700478e5a98

SHA1
ff6f4fe897855af4dcf2bf898f3424d13a7ccdf4

SHA256
18b46fda5886c9416ebb2a61c03748194d8ec570cfe2f86f4abbf74919aa8647

SHA512
a83d323a5bc0f3eeefeb4574ec2d697549949647f1df31843164e2ecd1df47dba93afedfcffb060819b80467f996720b3b0b9dc74c0c7967189cdfdeb3247c24

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