bcf8f37ca47847522112e4e5ae69ef21f1a55916c5999db7751349bb6cc04cf7

Analysis

max time kernel
94s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2022, 08:04

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General

Target

bcf8f37ca47847522112e4e5ae69ef21f1a55916c5999db7751349bb6cc04cf7.exe
Size

210KB
MD5

dc842b6ebb3d7184ee5a6dc01556592d
SHA1

0ca0f5ce85b0fc3260a738d702f8a3d79a9f9373
SHA256

bcf8f37ca47847522112e4e5ae69ef21f1a55916c5999db7751349bb6cc04cf7
SHA512

345b868398ed71ea9c6910bbe7caa7755a9828fd54ffb6978d9b3da12a66615bcc0096a919645baa239d2183e92b365e7ff606cf8361ee00fa8d752ccffab892
SSDEEP

3072:WRjfB5z2Z8kOXEtPO30B/0HW2JNV+/2Bht/DDMwLPWYIv+3Du3IoIbDgVyOIioTe:ujjXCOEp0FLjtbwyWYImq3ZqD3Yib

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4532-132-0x0000000000400000-0x0000000000473000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\{BBAEAEAF-1275-40e2-BD6C-BC8F88BD114A}.job	bcf8f37ca47847522112e4e5ae69ef21f1a55916c5999db7751349bb6cc04cf7.exe
File opened for modification	C:\Windows\Tasks\{BBAEAEAF-1275-40e2-BD6C-BC8F88BD114A}.job	bcf8f37ca47847522112e4e5ae69ef21f1a55916c5999db7751349bb6cc04cf7.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4296	4532	WerFault.exe	83

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	bcf8f37ca47847522112e4e5ae69ef21f1a55916c5999db7751349bb6cc04cf7.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4532	bcf8f37ca47847522112e4e5ae69ef21f1a55916c5999db7751349bb6cc04cf7.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4532	bcf8f37ca47847522112e4e5ae69ef21f1a55916c5999db7751349bb6cc04cf7.exe
4532	bcf8f37ca47847522112e4e5ae69ef21f1a55916c5999db7751349bb6cc04cf7.exe

C:\Users\Admin\AppData\Local\Temp\bcf8f37ca47847522112e4e5ae69ef21f1a55916c5999db7751349bb6cc04cf7.exe
"C:\Users\Admin\AppData\Local\Temp\bcf8f37ca47847522112e4e5ae69ef21f1a55916c5999db7751349bb6cc04cf7.exe"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:4532
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4532 -s 1308
  2⤵
  - Program crash
  PID:4296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4532 -ip 4532
1⤵
PID:4636

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

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

memory/4532-132-0x0000000000400000-0x0000000000473000-memory.dmp

Filesize
460KB

Download
memory/4532-135-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/4532-136-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download