0420556149232e157233114df4ae3688aff4e17f34c99ebed1c123409ae919e8

Analysis

max time kernel
135s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
16/06/2023, 15:05

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General

Target

0420556149232e157233114df4ae3688aff4e17f34c99ebed1c123409ae919e8.exe
Size

5.2MB
MD5

462c7549df7634b155d9978746653d31
SHA1

aa8a1a6dd327e159314368b36214e30021187259
SHA256

0420556149232e157233114df4ae3688aff4e17f34c99ebed1c123409ae919e8
SHA512

a875c655a0f97247d01dfae5e463a1bf90b787ee75abe3ff5aafd21b05f3f937bdea94cc7072899b6fe6d9383aa7fc907f6efa162226dd16ff213182d6762f92
SSDEEP

98304:76fg+wt2mDD8+UxREN6H2o1Ryxl4quxi2IRkCs4+RLuGKQC9y:2RcYxRpWo1Rq+DtN4atLL

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
972	AppleWorkshop.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SamsungElectronicsViewer = "C:\\ProgramData\\BiostarChecker\\AppleWorkshop.exe"	0420556149232e157233114df4ae3688aff4e17f34c99ebed1c123409ae919e8.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows\CurrentVersion\Run	0420556149232e157233114df4ae3688aff4e17f34c99ebed1c123409ae919e8.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
2036	0420556149232e157233114df4ae3688aff4e17f34c99ebed1c123409ae919e8.exe
2036	0420556149232e157233114df4ae3688aff4e17f34c99ebed1c123409ae919e8.exe
972	AppleWorkshop.exe
972	AppleWorkshop.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2036	0420556149232e157233114df4ae3688aff4e17f34c99ebed1c123409ae919e8.exe
2036	0420556149232e157233114df4ae3688aff4e17f34c99ebed1c123409ae919e8.exe
972	AppleWorkshop.exe
972	AppleWorkshop.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 972	2036	0420556149232e157233114df4ae3688aff4e17f34c99ebed1c123409ae919e8.exe	82
PID 2036 wrote to memory of 972	2036	0420556149232e157233114df4ae3688aff4e17f34c99ebed1c123409ae919e8.exe	82
PID 2036 wrote to memory of 972	2036	0420556149232e157233114df4ae3688aff4e17f34c99ebed1c123409ae919e8.exe	82

C:\Users\Admin\AppData\Local\Temp\0420556149232e157233114df4ae3688aff4e17f34c99ebed1c123409ae919e8.exe
"C:\Users\Admin\AppData\Local\Temp\0420556149232e157233114df4ae3688aff4e17f34c99ebed1c123409ae919e8.exe"
1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2036
- C:\ProgramData\BiostarChecker\AppleWorkshop.exe
  C:\ProgramData\BiostarChecker\AppleWorkshop.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  PID:972

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\BiostarChecker\AppleWorkshop.exe

Filesize
5.2MB

MD5
462c7549df7634b155d9978746653d31

SHA1
aa8a1a6dd327e159314368b36214e30021187259

SHA256
0420556149232e157233114df4ae3688aff4e17f34c99ebed1c123409ae919e8

SHA512
a875c655a0f97247d01dfae5e463a1bf90b787ee75abe3ff5aafd21b05f3f937bdea94cc7072899b6fe6d9383aa7fc907f6efa162226dd16ff213182d6762f92

Download Submit
C:\ProgramData\BiostarChecker\AppleWorkshop.exe

Filesize
5.2MB

MD5
462c7549df7634b155d9978746653d31

SHA1
aa8a1a6dd327e159314368b36214e30021187259

SHA256
0420556149232e157233114df4ae3688aff4e17f34c99ebed1c123409ae919e8

SHA512
a875c655a0f97247d01dfae5e463a1bf90b787ee75abe3ff5aafd21b05f3f937bdea94cc7072899b6fe6d9383aa7fc907f6efa162226dd16ff213182d6762f92

Download Submit
memory/972-139-0x0000000000980000-0x0000000000981000-memory.dmp

Filesize
4KB

Download
memory/972-140-0x0000000000400000-0x0000000000932000-memory.dmp

Filesize
5.2MB

Download
memory/2036-133-0x0000000002680000-0x0000000002681000-memory.dmp

Filesize
4KB

Download
memory/2036-134-0x0000000000400000-0x0000000000932000-memory.dmp

Filesize
5.2MB

Download