6d67a6b7b72220845abe6f3b798f509528e43de3afa798dcf36047996cc4a27e

Analysis

max time kernel
110s
max time network
50s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11/05/2024, 12:19

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General

Target
Yuka_-_Scattered_Shards_of_the_Yokai_ENG R1/Yuka - Scattered Shards of the Yokai/locales/am.pak.info
Size 399KB
Sample240511-phgfwsae99
SHA256 bf21e2115acd7bdbb21f5af28f4ba838c6b6780851561464069863b114479df5
MD5 05256d40928c25dbdaadeb6b5eb44e61
SHA1 fad224f545e6adbdd5f9b80e8b4c0a5c4510837e
SHA512 06bfeecea6b7d5f01c4b00460f73deed4fe7ecf3745b64824ea9598151cf654b2a3b75dbc4d5b0269813bbd89db7f271a7f6caa24930d88c13ffd04454c5004e
SSDEEP 6144:uEsnBtZXJnkjiuXYbNjYHOBKhEb1o6+jiR2i5:UajPXYbNjYHOBKh2Rt5
MD5 SHA1 SHA512 SSDEEP

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
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\info_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\info_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\info_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\info_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\info_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.info	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.info\ = "info_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\info_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2496	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2496	AcroRd32.exe
2496	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 2544	2988	cmd.exe	29
PID 2988 wrote to memory of 2544	2988	cmd.exe	29
PID 2988 wrote to memory of 2544	2988	cmd.exe	29
PID 2544 wrote to memory of 2496	2544	rundll32.exe	32
PID 2544 wrote to memory of 2496	2544	rundll32.exe	32
PID 2544 wrote to memory of 2496	2544	rundll32.exe	32
PID 2544 wrote to memory of 2496	2544	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Yuka_-_Scattered_Shards_of_the_Yokai_ENG R1\Yuka - Scattered Shards of the Yokai\locales\am.pak.info"
1⤵
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Yuka_-_Scattered_Shards_of_the_Yokai_ENG R1\Yuka - Scattered Shards of the Yokai\locales\am.pak.info
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2544
- - 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\Yuka_-_Scattered_Shards_of_the_Yokai_ENG R1\Yuka - Scattered Shards of the Yokai\locales\am.pak.info"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2496

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

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 a223b93097c135c346ec85880ee8944e018fc9e7bbcca550fc3fb36977319fc4
MD5 778c2dd7c9e3c5d25b24b5332e31de8c
SHA1 411a710eb1cbe2452397f621431182db1e43f026
SHA512 0f089f7b26901a4b137e1d28b94b6c88b4f4cef8f7c59a245d5d3dd8b6b0950fae6713ac5cf37ae3f39b1ecd4e2c3f55a26f840d2bfbb183ad8d42e9fdbf933e
MD5 SHA1 SHA512

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