2c341e9ae196b1bcb137a43be29251e93561f9d578b08d2863529585039e885b

Analysis

max time kernel
66s
max time network
49s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
01-05-2024 12:53

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General

Target

HFlashPlayer.exe
Size

33KB
MD5

6c52eb6343505125e91b788d603c7a39
SHA1

7112987259eb367d016e911a2d0afc94c31a0fcf
SHA256

05d59d0257868942f418f826695cfb3907ea0bc27df9885657526c376b8ec03f
SHA512

227b1ace54100864cb0bdcf58fe7e9edcf45c1d45048729383ec3e887f729c80422da289ea05a8eaaa048e2c542088012609aaed53dd5d345a4f11432a5e0cb8
SSDEEP

768:TPprSjI6nXqIpQ9ka3JK6nXqIpQ9kalJy:TxX0XqIi3E0XqIilM

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

HFlashPlayer.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation	HFlashPlayer.exe

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

Processes:

HFlashPlayer.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\hflash\URL Protocol	HFlashPlayer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\hflash\DefaultIcon	HFlashPlayer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\hflash\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\HFlashPlayer.exe,1"	HFlashPlayer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\hflash\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\HFlashPlayer.exe %1"	HFlashPlayer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\hflash\shell\open\command	HFlashPlayer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\hflash	HFlashPlayer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\hflash\ = "URL:hflash Protocol"	HFlashPlayer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\hflash\shell	HFlashPlayer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\hflash\shell\open	HFlashPlayer.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

HFlashPlayer.exe

description	pid	process	target process
PID 1408 wrote to memory of 4408	1408	HFlashPlayer.exe	HFlashPlayer.exe
PID 1408 wrote to memory of 4408	1408	HFlashPlayer.exe	HFlashPlayer.exe

C:\Users\Admin\AppData\Local\Temp\HFlashPlayer.exe
"C:\Users\Admin\AppData\Local\Temp\HFlashPlayer.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1408
- C:\Users\Admin\AppData\Local\Temp\HFlashPlayer.exe
  "C:\Users\Admin\AppData\Local\Temp\HFlashPlayer.exe" --register
  2⤵
  - Modifies registry class
  PID:4408

Network

MITRE ATT&CK Enterprise v15

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\HFlashPlayer.exe.log

Filesize
1KB

MD5
baf55b95da4a601229647f25dad12878

SHA1
abc16954ebfd213733c4493fc1910164d825cac8

SHA256
ee954c5d8156fd8890e582c716e5758ed9b33721258f10e758bdc31ccbcb1924

SHA512
24f502fedb1a305d0d7b08857ffc1db9b2359ff34e06d5748ecc84e35c985f29a20d9f0a533bea32d234ab37097ec0481620c63b14ac89b280e75e14d19fd545

Download Submit
memory/1408-0-0x00000000001A0000-0x00000000001AE000-memory.dmp

Filesize
56KB

Download
memory/1408-1-0x00007FFD8C5B0000-0x00007FFD8D071000-memory.dmp

Filesize
10.8MB

Download
memory/1408-2-0x00000000023D0000-0x00000000023E0000-memory.dmp

Filesize
64KB

Download
memory/1408-6-0x00007FFD8C5B0000-0x00007FFD8D071000-memory.dmp

Filesize
10.8MB

Download
memory/4408-4-0x00007FFD8C5B0000-0x00007FFD8D071000-memory.dmp

Filesize
10.8MB

Download
memory/4408-5-0x0000000002A40000-0x0000000002A50000-memory.dmp

Filesize
64KB

Download
memory/4408-8-0x00007FFD8C5B0000-0x00007FFD8D071000-memory.dmp

Filesize
10.8MB

Download