6ca47c3e4b2b2b1952bba1d201a6777deca4089d9b261c03447190ed5ecf3b7a

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
15-06-2024 13:43

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General

Target

Lossless Scaling/Shaders/ANIME4K_L_1.cso
Size

4KB
MD5

f010c9115209e8cacf06d5ecadaaf9a5
SHA1

548d5519e0d38350c557300c12d9218db31950d8
SHA256

09cbba179c6a6fa2d4e19a2587fec33fa40b06e9bc256bb0190a22d43416fe9c
SHA512

91229b385def3ad019bbfd8779d25a58b5a497c9c3c1e102e012c4edc172b48cc6ad266cbd08fbf3863d4761f35b2dcfb7bca8f9d2f407c6d7228e7e153fb505
SSDEEP

96:cTzhQeKGbrZFffeWbvAc14vi64iYGsQkqDtSGcL65:uhQs/ZFgi64/x25

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-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\cso_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\.cso\ = "cso_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\cso_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\cso_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\cso_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\cso_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\.cso	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\cso_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2780	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2780	AcroRd32.exe
2780	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 2144	1748	cmd.exe	29
PID 1748 wrote to memory of 2144	1748	cmd.exe	29
PID 1748 wrote to memory of 2144	1748	cmd.exe	29
PID 2144 wrote to memory of 2780	2144	rundll32.exe	30
PID 2144 wrote to memory of 2780	2144	rundll32.exe	30
PID 2144 wrote to memory of 2780	2144	rundll32.exe	30
PID 2144 wrote to memory of 2780	2144	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Lossless Scaling\Shaders\ANIME4K_L_1.cso"
1⤵
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Lossless Scaling\Shaders\ANIME4K_L_1.cso
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2144
- - 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\Lossless Scaling\Shaders\ANIME4K_L_1.cso"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2780

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
a3f980fe01a9236bd86acca76191a0ad

SHA1
54cdf362711c67a4a8023d0ed50a0acc5df7d517

SHA256
48fe95ee6f2f55ceadf930f6a76585999e0ecb113d7f4a94997088a59c2e278d

SHA512
261127199316d0fc725f9e7cb1ee4a6eb78922ac100c79ec1214d9680071409c4b17faa1556d123b5dfc600aa514ad230742985974195cf4baccd1368050ab43

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