66a32b79ff2c15ac32dd147b9509c1d0b8fb0e24f91f478352fb9564d45416f8

Resubmissions

06/08/2023, 19:58

230806-yps8psde2y 7

Analysis

max time kernel
151s
max time network
121s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
06/08/2023, 19:58

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General

Target

04_VisibilityControl.json
Size

7KB
MD5

7ca25ebcab714506473851b22f039089
SHA1

432a98e685de18542167ba5ef1f805a106413283
SHA256

1dab087162377f70fab4d97212797a31c1743fdc47cf240a50d00c47647ac84b
SHA512

6fa90dca708f07350eacdee86f5842a647b3448225442477fe194a63af69beca9e2912faa4db7ed4943dd9bb598d1bb768f27903b5b52ad9dcb78b02b1c15a71
SSDEEP

96:1wIeTkl+4Se36FjXSe3GFbVXSeaSXSezxXSeYKYSesXSeRg0nJz662r:SDkl+9EVsSFxmKh3g0nJz662r

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-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_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-1-5-21-1024678951-1535676557-2778719785-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1024678951-1535676557-2778719785-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2740	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2740	AcroRd32.exe
2740	AcroRd32.exe
2740	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2916	2808	cmd.exe	29
PID 2808 wrote to memory of 2916	2808	cmd.exe	29
PID 2808 wrote to memory of 2916	2808	cmd.exe	29
PID 2916 wrote to memory of 2740	2916	rundll32.exe	30
PID 2916 wrote to memory of 2740	2916	rundll32.exe	30
PID 2916 wrote to memory of 2740	2916	rundll32.exe	30
PID 2916 wrote to memory of 2740	2916	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\04_VisibilityControl.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\04_VisibilityControl.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2916
- - 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\04_VisibilityControl.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2740

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
fe1fca4c2356f9aa95fdf839de6cf7c7

SHA1
42c2610e0e80f8d3a73f25e72f7fe4a422da6e13

SHA256
81b983954727dfce4d020a1b0776aa935c5f21a3608d8bb4539e511ca4557e9f

SHA512
68de976be5e3f4137047b777f05b183f30f88e0802a92a39329ca897be9c2c1ad00f89ef42c3ade608c25bea2ad4ecf2d10de9688b2987331d0211a80343b40b

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