2e25e3f996405b92cae2b7ff5affc078df38b778e32217d0cf0144d7e4cac39e

Analysis

max time kernel
151s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18/01/2024, 00:13

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General

Target

63f9eeea9a53566441b4bac3885605ef.exe
Size

16KB
MD5

63f9eeea9a53566441b4bac3885605ef
SHA1

cc9920bb438c705f344b6288985c05736e74b370
SHA256

2e25e3f996405b92cae2b7ff5affc078df38b778e32217d0cf0144d7e4cac39e
SHA512

9079e643bd7b5ce22167dc77a8220f83862a92d7b606938b8f9326c083d661e9eebfa59c0db7876406ff04be8633c25598dd44dc52e4fd00b12646c862b46df0
SSDEEP

384:vT1ZED0stVDnEYD1iLUPys4u/PoQQdEemT+fG:rEhfNT/gQqmTV

Score

7^/10

persistence upx

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
5024	63f9eeea9a53566441b4bac3885605ef.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/5024-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/5024-7-0x0000000000400000-0x0000000000410000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\huifitc = "C:\\Windows\\huifitc.exe"	63f9eeea9a53566441b4bac3885605ef.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\huifitc.dll	63f9eeea9a53566441b4bac3885605ef.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\huifitc.exe	63f9eeea9a53566441b4bac3885605ef.exe
File created	C:\Windows\huifitc.exe	63f9eeea9a53566441b4bac3885605ef.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5024	63f9eeea9a53566441b4bac3885605ef.exe
5024	63f9eeea9a53566441b4bac3885605ef.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5024	63f9eeea9a53566441b4bac3885605ef.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5024 wrote to memory of 3376	5024	63f9eeea9a53566441b4bac3885605ef.exe	38
PID 5024 wrote to memory of 3376	5024	63f9eeea9a53566441b4bac3885605ef.exe	38

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3376
- C:\Users\Admin\AppData\Local\Temp\63f9eeea9a53566441b4bac3885605ef.exe
  "C:\Users\Admin\AppData\Local\Temp\63f9eeea9a53566441b4bac3885605ef.exe"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:5024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\huifitc.dll

Filesize
36KB

MD5
e2b83e4e6c6552cb46b5777acd67621c

SHA1
e8f0eea662af4ace701a092ee94bfe55a5db7795

SHA256
38a8853de470652755919c6fbebe719e420ce9dae4285b8875d570c3c441e69c

SHA512
6c76e6f6400df52316ceaa9cfb07650ab16e9346c05a7b914023c9e4a24844667782b6ab2ee0397c2abca3b8367fe30ae0c575f24faffa8318497a0e365d0602

Download Submit
memory/3376-3-0x0000000000940000-0x0000000000941000-memory.dmp

Filesize
4KB

Download
memory/5024-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/5024-7-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/5024-6-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/5024-9-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download