1aaf139d28aebec2bd164929be934433b8097a6729352a9c51ba52714aacb691

Resubmissions

25/08/2024, 10:12

240825-l8vvesyeke 3

25/08/2024, 10:07

240825-l5r95aycpa 3

Analysis

max time kernel
357s
max time network
370s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
25/08/2024, 10:12

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General

Target

The Henry Stickmin Collection/Adobe AIR/Versions/1.0/Resources/Adobe AIR.vch
Size

558KB
MD5

5d26e10b26224841637929841868bccb
SHA1

55eb0b8c87872d641c50acf4818d06b4184be2f5
SHA256

afd941635e1f58836baedb9bb070b327120a482f40f3e6949459a22e71b17dec
SHA512

0166a159afa4afa4f7398dea45881801c4f6511eae52a370ae9dce192e2fe1471b145e49e6efe51c9925e71acd318d549a8d2a6c3709d181ca6a39076b0f032e
SSDEEP

12288:B0JA+peJtT6OSPxoA3PzYQEcEkXJ9gvfeI:6JZpeJtuJ53bYr5kXJsfeI

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-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.vch	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.vch\ = "vch_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\vch_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\vch_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\vch_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-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\vch_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\vch_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\vch_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2668	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2668	AcroRd32.exe
2668	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2740	2196	cmd.exe	31
PID 2196 wrote to memory of 2740	2196	cmd.exe	31
PID 2196 wrote to memory of 2740	2196	cmd.exe	31
PID 2740 wrote to memory of 2668	2740	rundll32.exe	32
PID 2740 wrote to memory of 2668	2740	rundll32.exe	32
PID 2740 wrote to memory of 2668	2740	rundll32.exe	32
PID 2740 wrote to memory of 2668	2740	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\The Henry Stickmin Collection\Adobe AIR\Versions\1.0\Resources\Adobe AIR.vch"
1⤵
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\The Henry Stickmin Collection\Adobe AIR\Versions\1.0\Resources\Adobe AIR.vch
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2740
- - 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\The Henry Stickmin Collection\Adobe AIR\Versions\1.0\Resources\Adobe AIR.vch"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2668

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
4108bdbfa1926ae9b2ad228490e167d8

SHA1
2669c1fe05724c9381dc4147ae5b48df51254628

SHA256
909d116d9eba2ccd7a24c31ef6709b26af1ea53db7e217fdc9681cf4062e9458

SHA512
a8cfffd78004e5e5a0ea8a80f49955c6b95196631244543d85183d52c484a788361bca6975410334a66fd0cfedb7408bc0c44996b9e37ca940fd9f516eadaa34

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