cf41ea32ce901fa1996a14955316f0c03fae505f45000080440753bd68f08739

Analysis

max time kernel
164s
max time network
126s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
03-11-2023 20:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

meta.sai_v1.json
Size

161B
MD5

b43ad2996145686fe1f5319cb368e827
SHA1

87159814d236a40623708bb52d37f2bfdaef444f
SHA256

a3bd3b309bf6e001b9d6f92ab8a0bbefdb5efffe18d531be1c7103da5f477d1c
SHA512

857cc3ecbad9c16a951a8241b65b4649554981b74be5e8fddafce689b741ea7cb6e3ea3aaf430934a93869ced3c9f7672b6996de525d0076771271592eacc065

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-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_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-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\json_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2468	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2468	AcroRd32.exe
2468	AcroRd32.exe
2468	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 2836	2092	cmd.exe	28
PID 2092 wrote to memory of 2836	2092	cmd.exe	28
PID 2092 wrote to memory of 2836	2092	cmd.exe	28
PID 2836 wrote to memory of 2468	2836	rundll32.exe	29
PID 2836 wrote to memory of 2468	2836	rundll32.exe	29
PID 2836 wrote to memory of 2468	2836	rundll32.exe	29
PID 2836 wrote to memory of 2468	2836	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\meta.sai_v1.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\meta.sai_v1.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2836
- - 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\meta.sai_v1.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2468

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

Loading Replay Monitor...

Downloads

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

Filesize
3KB

MD5
56e200eb6a9b4861f2c09fc82baf33d8

SHA1
e894806ff952eb0dadccaec1ae8288aaa3592bb2

SHA256
c4bf16687807a2570c8a141d752aac2a296c32aebc2e6019ec37e49e9dbf86d0

SHA512
3909e0104da879dc5d74828f5b6f0bc91378cfc5bba23e6c809a151061e82e9a51b412076073b57ea49e37d49f40d8cd5393cc48a5c510145707e953f5c73ca9

Download Submit