ea881853f35b6971f49332c5d66e7388b8598e5ac5a0bca24826bc08f22bd4c9

Analysis

max time kernel
121s
max time network
128s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-10-2024 20:53

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General

Target

chrome_100_percent.pak
Size

147KB
MD5

3c72d78266a90ed10dc0b0da7fdc6790
SHA1

6690eb15b179c8790e13956527ebbf3d274eef9b
SHA256

14a6a393c60f62df9bc1036e98346cd557e0ae73e8c7552d163fa64da77804d7
SHA512

b1babf1c37b566a5f0e5f84156f7ab59872690ba0bdd51850525f86769bfebc245f83988a3508945cf7617d73cd25e8469228974dd2c38415388b6a378552420
SSDEEP

3072:Mz8JCGIdkwTPa/XKjKkxP1L2o418Gb0+VRLf0ld0GY3cQ3ERVm2I:Mz81Idk8a4Kkx5K18Gb0OV8ld0GecQ35

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2824	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2824	AcroRd32.exe
2824	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 2140	2460	cmd.exe	32
PID 2460 wrote to memory of 2140	2460	cmd.exe	32
PID 2460 wrote to memory of 2140	2460	cmd.exe	32
PID 2140 wrote to memory of 2824	2140	rundll32.exe	33
PID 2140 wrote to memory of 2824	2140	rundll32.exe	33
PID 2140 wrote to memory of 2824	2140	rundll32.exe	33
PID 2140 wrote to memory of 2824	2140	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\chrome_100_percent.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\chrome_100_percent.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2140
- - 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\chrome_100_percent.pak"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2824

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
b81b80ad7b6d15e8637ea441ab03c972

SHA1
75baec685325b543b00a593822ed77cb93c5578a

SHA256
196f1ac32160d08bd25f13723239495d4b5088a4a5097e137a86344fedaf8090

SHA512
8e49b75a47dbc64acd505ee9806519787d1ec86a6dc01b8d9d198dda4900456ed02d82397087870559c6dff2b8fe3ab4021f57418c6a16af2baead9c3f9fe5cb

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