9ed5767db68fb669b3f18a0565cae471ee3800b94a187c4512e5a6691797c511

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27-11-2024 20:39

241127-zfpdtszjes 6

27-11-2024 20:33

25-11-2024 22:14

25-11-2024 20:57

28-09-2024 18:21

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-09-2024 18:21

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General

Target

ChromeManifest.json
Size

237B
MD5

84d4d811ee7f1a976b8576f8fc983e47
SHA1

71e97bf0be426f92732798d41e34e7bb92f2e21f
SHA256

51da5680465903bb76c4f718016083703730701702bf3b64a77c9338f9832584
SHA512

b99ec6b3999e820d5721fef5512c3b3c400eee45aeb077d687dfed25f9ed99bb4aeba2607d82261d4aacb1932f8fb4c6f038ba02a0a1975c15fc841366321bb1

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-1-5-21-312935884-697965778-3955649944-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\json_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_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-1-5-21-312935884-697965778-3955649944-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2920	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2920	AcroRd32.exe
2920	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 2464	2308	cmd.exe	32
PID 2308 wrote to memory of 2464	2308	cmd.exe	32
PID 2308 wrote to memory of 2464	2308	cmd.exe	32
PID 2464 wrote to memory of 2920	2464	rundll32.exe	33
PID 2464 wrote to memory of 2920	2464	rundll32.exe	33
PID 2464 wrote to memory of 2920	2464	rundll32.exe	33
PID 2464 wrote to memory of 2920	2464	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\ChromeManifest.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\ChromeManifest.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2464
- - 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\ChromeManifest.json"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2920

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

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Downloads

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

Filesize
3KB

MD5
9c018f9bb8b7e9ae1bd81b4bbcdc8145

SHA1
e03aca393d094a1b734598af1d052f8fb9c1d95e

SHA256
c1f3504edc0fb020da3ee6c1291f66241d444b9e54e2cf6c24dfeb0f86c9c4f3

SHA512
e7606b8047f1edaecc07f4c15bb063a5d8278e5a29ebf3fb4fd5eb0c9d2033d7cffdc5894eb97fc8aba912b4b1ed5c7aa707c1fda56ec2a0e0bc6f6f89a40b1d

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