3b532a3091891c7e4e8c96277d52bb9bc1cb11eea7da2f1d9175e5383af6e16f

Resubmissions

27/11/2023, 15:53

231127-tbnzlshf3y 7

27/11/2023, 15:49

231127-s9blhahf28 3

Analysis

max time kernel
157s
max time network
137s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
27/11/2023, 15:49

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General

Target

PlatformContent/pc/textures/water/normal_16.dds
Size

85KB
MD5

e36497ca46149cfb3de0dc0de7a2e5fb
SHA1

0a34d8cc51f29dba2a7174206eb1cc3a30ef7601
SHA256

5d40c0b754e36d633a5f379a639422138dc2fcc044cb54a63852b268267dd2f0
SHA512

b27e4a616b77312c1da6c796472633031a98143b6dc328f0a51802e2d75819ebc143c5c0eab074cfdad7f9d3f5735737eb90e245b3038cf19654924b401070ad
SSDEEP

1536:utzkGR43RO9v83jYaIf6zL4z91YuUM40WZuvYXdWdTikFdyMn:uRB4BOV83Fc6zy95543wvSIZiYTn

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\dds_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\dds_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\dds_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-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\dds_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\dds_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\.dds	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\.dds\ = "dds_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\dds_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2920	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2920	AcroRd32.exe
2920	AcroRd32.exe
2920	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 2644	3064	cmd.exe	29
PID 3064 wrote to memory of 2644	3064	cmd.exe	29
PID 3064 wrote to memory of 2644	3064	cmd.exe	29
PID 2644 wrote to memory of 2920	2644	rundll32.exe	30
PID 2644 wrote to memory of 2920	2644	rundll32.exe	30
PID 2644 wrote to memory of 2920	2644	rundll32.exe	30
PID 2644 wrote to memory of 2920	2644	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\PlatformContent\pc\textures\water\normal_16.dds
1⤵
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\PlatformContent\pc\textures\water\normal_16.dds
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2644
- - 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\PlatformContent\pc\textures\water\normal_16.dds"
    3⤵
    - 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

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
bd5d4447757081c20e92d9353f50ebd3

SHA1
a51f267781322543704a77fe9b79e9531a5e22c2

SHA256
50c1554af78934c0048f7275f1cf3485a0019ba2110e17ca36ebd001b1bcea99

SHA512
875d4fad90f794fa0d4c3c73d608322b8d91d74d6c0676f20981dce6c9177c8b71482e550e4987b2dbc52059f5efe0b863b354e178864088cef6e2e439747007

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