520ba11c2a0216d1d6b1b35d004a960474a4dd3ff730dfb9d60f43ff3201f111

Analysis

max time kernel
103s
max time network
18s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
25/07/2024, 22:25

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General

Target

config.json
Size

856B
MD5

ea7e1f8126ef25b7e1839e2a90d353e8
SHA1

9c54c8e1708ddc4eac25b1541f0bf69b5712a624
SHA256

520ba11c2a0216d1d6b1b35d004a960474a4dd3ff730dfb9d60f43ff3201f111
SHA512

b95697d175430e12239210da623c121bc4947c8fb49b4e1a555d6906112e99620b7da9f14a44b6d2ca4fc641c24a1e03f87be7516d6190d2ad6d8545cdeaec23

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
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2844	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2844	AcroRd32.exe
2844	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 2508	2556	cmd.exe	30
PID 2556 wrote to memory of 2508	2556	cmd.exe	30
PID 2556 wrote to memory of 2508	2556	cmd.exe	30
PID 2508 wrote to memory of 2844	2508	rundll32.exe	31
PID 2508 wrote to memory of 2844	2508	rundll32.exe	31
PID 2508 wrote to memory of 2844	2508	rundll32.exe	31
PID 2508 wrote to memory of 2844	2508	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\config.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2556
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\config.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2508
- - 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\config.json"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2844

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

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Downloads

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

Filesize
3KB

MD5
f457741b5c3d31a79537f02b2c31a763

SHA1
f73e2e6b94cb9703b0e1d5109156d99936967304

SHA256
46b1979827ed0622bcf33efebf87f91128e709e76e0db5fcc3cd1c800520943c

SHA512
a013596f377cc30c42b27049812d9e4c01bf1400f12279d639defdc1e3f9bbbd1516377da1dccd30b3f8a0118d49d744e646f44f7e5162da658bfeddc27fa10a

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