bb69ca9d9d5d49d68c38e7dea490ac9cd8338ccfcf9c3659bad253521e2508d6

Resubmissions

12/07/2023, 11:14

230712-nb1erach66 5

12/07/2023, 11:07

230712-m8ghgadh2y 3

12/07/2023, 10:03

230712-l3crnadg4w 3

Analysis

max time kernel
300s
max time network
34s
platform
windows7_x64
resource
win7-20230705-en
resource tags

arch:x64arch:x86image:win7-20230705-enlocale:en-usos:windows7-x64system
submitted
12/07/2023, 11:07

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General

Target

manifest.json
Size

243B
MD5

6971718b0ba329a0edf480d38d637b05
SHA1

27821cabdda63a1b65ed22cc7c54abcc2a2fb909
SHA256

4c577588146f26619100b5061c7c7aa5594a1c85ec5cf11e6a0760261580e910
SHA512

0445ac135cb77a1b6567c2a1c19cf06d066b5f87ce769cc8999f9a800f70f67aa74b1d5e3d3e1f147338adbfe5b364a1ac9aeed41d41289a0b82aee9e356ab79

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-1-5-21-511725148-388773979-2853099937-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000_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-1-5-21-511725148-388773979-2853099937-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000_CLASSES\json_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2992	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2992	AcroRd32.exe
2992	AcroRd32.exe
2992	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 2904	2144	cmd.exe	28
PID 2144 wrote to memory of 2904	2144	cmd.exe	28
PID 2144 wrote to memory of 2904	2144	cmd.exe	28
PID 2904 wrote to memory of 2992	2904	rundll32.exe	29
PID 2904 wrote to memory of 2992	2904	rundll32.exe	29
PID 2904 wrote to memory of 2992	2904	rundll32.exe	29
PID 2904 wrote to memory of 2992	2904	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\manifest.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2144
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\manifest.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2904
- - 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\manifest.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2992

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
619cb996ac75821c602c8fa48916417d

SHA1
c95c65e36368ded5135ba257dbe4e5b9853cfb61

SHA256
1c33869cadf515c215c0eb31e18f52c82c9a8da7ffb83637d3d2bd35704f3942

SHA512
64e596180ee9c20c473fc466433caa68874959adc38f32075ea46810c59e04aa76684b3737bf771a43582c779bbf604463692af59f9e101b3313312ccc0e2343

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