03c83b3f458226a90a644b6894608c3d46c59cda2e62fd8654a7bfb1af241d36

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-09-2024 07:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

New folder (5)/Loader/Frames.json
Size

1KB
MD5

776f5aa9b4889732626e2e9ac6aaf165
SHA1

7f7586204843e6be078b27007392573c1504799e
SHA256

c798342be8ccd4452d42a513aaec635c21b9608b3fa82e54b330f0ae75769d87
SHA512

c82b98af32a6e60545861fa2c0f3a0ad488724228ec3aef6a0fbc083e3a95978dbe8fbe16d83d0213342be56b043f1c7e2f82c3909f857b0d5b978dc31c48e85

Score

3^/10

discovery

Malware Config

Signatures

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_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-1-5-21-3533259084-2542256011-65585152-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\json_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2736	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2736	AcroRd32.exe
2736	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1016 wrote to memory of 2400	1016	cmd.exe	31
PID 1016 wrote to memory of 2400	1016	cmd.exe	31
PID 1016 wrote to memory of 2400	1016	cmd.exe	31
PID 2400 wrote to memory of 2736	2400	rundll32.exe	33
PID 2400 wrote to memory of 2736	2400	rundll32.exe	33
PID 2400 wrote to memory of 2736	2400	rundll32.exe	33
PID 2400 wrote to memory of 2736	2400	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\New folder (5)\Loader\Frames.json"
1⤵
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\New folder (5)\Loader\Frames.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2400
- - 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\New folder (5)\Loader\Frames.json"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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
b2c73c6b92a74ba9c7395f01ba5041a7

SHA1
82cceeb9249ec880f52dd5af8733d1c321d15630

SHA256
3a8bb7b94c2129c289f0f17e391e1e841374a71a1ec60d2685432f2bc1a767e3

SHA512
28fd8bb92d269c507b077c17c79471853fe09f68f0e93d97778834c2ed85a7eca960479da584abdd323b4a53c0717e60426e880798b00a15c4a2fb120a02c764

Download Submit