3c9a4a421ee5d347dc3dc70b31327befcf80171e04ef7af85aafc83d548da93d

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 07:51

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General

Target

12a53c805e1d1f33bb665846ff485ae9.exe
Size

255KB
MD5

12a53c805e1d1f33bb665846ff485ae9
SHA1

1c5bd6c330e67b18302d7ab8cd761f2fbb70fdd7
SHA256

3c9a4a421ee5d347dc3dc70b31327befcf80171e04ef7af85aafc83d548da93d
SHA512

289a778496fd1ddb331387da24e9b5462ddeb2cf09e604cda2385d03de112b4ed4539071c344bf8b78c779cd87585d94fff7c0e6bdca977f4ad28439e7b4eaa6
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/e8bpjBFy11Awu:o68i3odBiTl2+TCU/zhuhuIpRL5uOe

Score

6^/10

persistence

Malware Config

Signatures

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\Microsoft I Service = "C:\\Windows\\winhash_up.exe /REGstart"	12a53c805e1d1f33bb665846ff485ae9.exe

Drops file in Windows directory 13 IoCs

description	ioc	Process
File created	C:\Windows\SHARE_TEMP\Icon7.ico	12a53c805e1d1f33bb665846ff485ae9.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	12a53c805e1d1f33bb665846ff485ae9.exe
File created	C:\Windows\winhash_up.exe	12a53c805e1d1f33bb665846ff485ae9.exe
File created	C:\Windows\SHARE_TEMP\Icon13.ico	12a53c805e1d1f33bb665846ff485ae9.exe
File created	C:\Windows\winhash_up.exez	12a53c805e1d1f33bb665846ff485ae9.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	12a53c805e1d1f33bb665846ff485ae9.exe
File created	C:\Windows\bugMAKER.bat	12a53c805e1d1f33bb665846ff485ae9.exe
File opened for modification	C:\Windows\winhash_up.exez	12a53c805e1d1f33bb665846ff485ae9.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	12a53c805e1d1f33bb665846ff485ae9.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	12a53c805e1d1f33bb665846ff485ae9.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	12a53c805e1d1f33bb665846ff485ae9.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	12a53c805e1d1f33bb665846ff485ae9.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	12a53c805e1d1f33bb665846ff485ae9.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 2972	2532	12a53c805e1d1f33bb665846ff485ae9.exe	21
PID 2532 wrote to memory of 2972	2532	12a53c805e1d1f33bb665846ff485ae9.exe	21
PID 2532 wrote to memory of 2972	2532	12a53c805e1d1f33bb665846ff485ae9.exe	21
PID 2532 wrote to memory of 2972	2532	12a53c805e1d1f33bb665846ff485ae9.exe	21

C:\Users\Admin\AppData\Local\Temp\12a53c805e1d1f33bb665846ff485ae9.exe
"C:\Users\Admin\AppData\Local\Temp\12a53c805e1d1f33bb665846ff485ae9.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\bugMAKER.bat
  2⤵
  PID:2972

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\bugMAKER.bat

Filesize
76B

MD5
a857cfb60ce4aec17a44258dea96b6ed

SHA1
391c84705d0fff144882e3091ee083785363969a

SHA256
6fbbf97a3cacd73caa368b67ba3697ddd362c2aab599a48600cb3ccd5ceec02f

SHA512
cfc05796c97b6d8d13c1da0f0a11ac964e3750f18ad445fa16de4e95a43b6611b861754308371392a8c35c012be63a82c8fdb0337adbc4da18485a2eb471155d

Download Submit
memory/2532-67-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2972-62-0x0000000002360000-0x0000000002361000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads