cf41ea32ce901fa1996a14955316f0c03fae505f45000080440753bd68f08739

Analysis

max time kernel
152s
max time network
132s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
03-11-2023 20:20

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General

Target

meta.sai_v2.json
Size

284B
MD5

787dd4f694273dc6dd42df6f234abbc7
SHA1

ed4da9b2171ee4bf0e770ffc64aec8a90aa70e9e
SHA256

452783c3533ad2d2918d7135cb1b7cdd8b727ead3e505551675ae46de81296ca
SHA512

5cab3ec9e7aa1d4777a9588ece402fa509d347cf508a639dedba2b1e545f15f5a6657408c1d4e76050fdad65f9d5f623945f8f43d1eb37448242ef9b7f14ea7a

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\json_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_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-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\json_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2988	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 2064	2320	cmd.exe	29
PID 2320 wrote to memory of 2064	2320	cmd.exe	29
PID 2320 wrote to memory of 2064	2320	cmd.exe	29
PID 2064 wrote to memory of 2988	2064	rundll32.exe	30
PID 2064 wrote to memory of 2988	2064	rundll32.exe	30
PID 2064 wrote to memory of 2988	2064	rundll32.exe	30
PID 2064 wrote to memory of 2988	2064	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\meta.sai_v2.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2320
- 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_v2.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2064
- - 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_v2.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2988

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
2f4135829524f3ad81a55d15c52350db

SHA1
3661f6a79dd65f41240de57739171aace48a6cb6

SHA256
e5bccc6d01d70d085e46f2b204abb81fc0c741aeeab987656282036f923a6604

SHA512
c3c4ba66a6a4da2cf93e488a16b43ba0a735889982c690834f0cabe9c3a21aa15812dc9ab6d36ceb1beb7eac92d27e22c99265b720fc4c670863b591a610d484

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