9f6b41be8d13dc2fec04b3541f794746ba010797822dc64401cb74d0d7c94561

Analysis

max time kernel
156s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
27/11/2022, 07:48

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General

Target

happygame.exe
Size

1.4MB
MD5

e3d9197418170a4821a3a4f29c40c295
SHA1

5ec81300d81477e31150c9f263fa6d136a34c37c
SHA256

8d0a52e592a04c76d7f50ec4a51f6eeece7713d5248070b55128444cb84f9b20
SHA512

5c0ddba37b7f50a4a7b9c805beceec77431acdd2b8a839018333df8eb663ccda152998adeaa545e6ae592b5ef47b0e3d2dd2bcf05713d44d2b6a87a3bdf07137
SSDEEP

24576:kfOy67+f2m2mFGnO7vzd5R5ZZjBMz2UyG3QWx8kJKYvbieHfPmC2EBuSBVjEYAKw:kGp6ffxCu7Z5ZTMMrWKkles3FXBFBVAf

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2312	is-40JAU.tmp

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main	is-40JAU.tmp

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://www.v2233.com/?444"	is-40JAU.tmp

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3660 wrote to memory of 2312	3660	happygame.exe	83
PID 3660 wrote to memory of 2312	3660	happygame.exe	83
PID 3660 wrote to memory of 2312	3660	happygame.exe	83

C:\Users\Admin\AppData\Local\Temp\happygame.exe
"C:\Users\Admin\AppData\Local\Temp\happygame.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3660
- C:\Users\Admin\AppData\Local\Temp\is-I1CQ8.tmp\is-40JAU.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-I1CQ8.tmp\is-40JAU.tmp" /SL4 $901C6 "C:\Users\Admin\AppData\Local\Temp\happygame.exe" 1242075 55808
  2⤵
  - Executes dropped EXE
  - Modifies Internet Explorer settings
  - Modifies Internet Explorer start page
  PID:2312

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-I1CQ8.tmp\is-40JAU.tmp

Filesize
645KB

MD5
7a084972025ff9b3da070399f221202a

SHA1
9350b18cd6a0ebdcd74640a731a3801bfd278b1c

SHA256
00e7a8e988c85741b3dafb50d0800a528d06de93dcf5520541f0f29a012a5d90

SHA512
b551b17fc7f12bc7aed71fa7e410db5373542f0d8ce373d4932b086afa9e6cf561e6af61843f1511557635a4a0b51ca3804a8077be2f5c6981a0eba38bbf32a3

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-I1CQ8.tmp\is-40JAU.tmp

Filesize
645KB

MD5
7a084972025ff9b3da070399f221202a

SHA1
9350b18cd6a0ebdcd74640a731a3801bfd278b1c

SHA256
00e7a8e988c85741b3dafb50d0800a528d06de93dcf5520541f0f29a012a5d90

SHA512
b551b17fc7f12bc7aed71fa7e410db5373542f0d8ce373d4932b086afa9e6cf561e6af61843f1511557635a4a0b51ca3804a8077be2f5c6981a0eba38bbf32a3

Download Submit
memory/3660-133-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3660-138-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads