608f6215555c0abc53ef63d692d92c1232f1136069820052fec6e2f142e1b40b

Resubmissions

06/03/2023, 02:29

230306-cykr2aac74 3

06/03/2023, 02:24

06/03/2023, 02:20

06/03/2023, 01:55

19/02/2023, 00:57

Analysis

max time kernel
150s
max time network
31s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
06/03/2023, 02:24

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General

Target

1941473524/project.json
Size

450B
MD5

7146ab51e11285afc37ae393a0c8fe85
SHA1

ece6876509c2a9ed0c969488fe46dd889bb813ec
SHA256

10316bb552fdcb631c19485b0219ac02d9c7b2e703d41f62c2a7bbc8ddda0e36
SHA512

19d541a8c3690350ab08b30ffcbef441fd9b3c2b08592d1aa86c1b81dd956f3b5f2900da78c1d293e14e46b55c9ab757ecd59f19547785a4aa4b1999bb58d6f7

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\json_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
836	AcroRd32.exe
836	AcroRd32.exe
836	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 1152	2000	cmd.exe	29
PID 2000 wrote to memory of 1152	2000	cmd.exe	29
PID 2000 wrote to memory of 1152	2000	cmd.exe	29
PID 1152 wrote to memory of 836	1152	rundll32.exe	30
PID 1152 wrote to memory of 836	1152	rundll32.exe	30
PID 1152 wrote to memory of 836	1152	rundll32.exe	30
PID 1152 wrote to memory of 836	1152	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\1941473524\project.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\1941473524\project.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1152
- - 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\1941473524\project.json"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:836

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

Windows 7 deprecation

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