1ea65fbb40a8af9bb71bf3c00620782ab72843a8af4dc50edb8526dcc1b72abd

Analysis

user interaction
yes
max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
23/05/2026, 02:48

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General

Target
yabujin.exe
Size 273KB
Sample260523-daqh2sd19y
SHA256 1ea65fbb40a8af9bb71bf3c00620782ab72843a8af4dc50edb8526dcc1b72abd
MD5 456ebb7a2b56615dfd780010b567ddaa
SHA1 b52166b2719e9b82f704e74a60d456d0012fff5d
SHA512 57c6762d2f141a22d20451de67d9948047b57e8d6d80616ae7303a365a12cd320a17123da6a31bbe5627e34c72ef8382740af328b2bbd963334e0030eadc1fd8
SSDEEP 6144:O6DsHItBNxxT2flwWiTJTEJ7gmVypZ1pLrlwTg:O6IHCrXT2RO5a79yWg
TLSH
T13854120BE90B26C5C890EA31154B3F314435BC692BE660EFABA1374B3F757C196B25E4
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1540	Launcher_8.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Launcher_8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Launcher_8.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5096 wrote to memory of 1540	5096	yabujin.exe	87

C:\Users\Admin\AppData\Local\Temp\yabujin.exe
"C:\Users\Admin\AppData\Local\Temp\yabujin.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5096
- C:\Users\Admin\AppData\Local\Temp\FD4CFD7B\Launcher_8.exe
  "C:\Users\Admin\AppData\Local\Temp\FD4CFD7B\Launcher_8.exe"
  2⤵
  - Executes dropped EXE
  - Checks processor information in registry
  PID:1540

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

Launcher_8.exe

Path C:\Users\Admin\AppData\Local\Temp\FD4CFD7B\Launcher_8.exe
Size 1.1MB
SHA256 b5190b05a09ac2636fe6e42cb9344264e3c0a49c49816f2a3517655a2a6101d8
MD5 4766f3857bbd7670d6183e1208c7ea93
SHA1 da018b0f7ff902e181c2da855a4e458b6a6ff5ca
SHA512 2d78a926060742324155f1acc498f0c8db97008c9023b760b922c40cd209a8e7bbcdf6e7ba7246f32cfe262788b3bddd7360882c3d937bb86b6b918fdecbe7b9
SSDEEP 12288:SZ+OE4MmD6/Oyspc5EEBBBHGBgzGerwG/vPqItNquB:Scb4M06WpoPrwUvP3f5
TLSH
T1D4357C83EBA385D8C156C8B5534FF137F9627C8E4A157196ABC41E633E67B64E22CB00
MD5 SHA1 SHA512 SSDEEP TLSH

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