5643541aec142b004b35afe2ca8c23635445f20d23b83da90bc391ebd3138321

Analysis

max time kernel
0s
max time network
57s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2024, 15:42

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General

Target

4bd29d5e096bfbf5895b246c1a3ec166.exe
Size

164KB
MD5

4bd29d5e096bfbf5895b246c1a3ec166
SHA1

db2871203e8afd5c25dbd764fa9f2a3e53ed09cd
SHA256

5643541aec142b004b35afe2ca8c23635445f20d23b83da90bc391ebd3138321
SHA512

4924df34f0def25217d3fa56c7f2d1d97f75c1b9e5ad0f2e3e07d7da3a6f22b4a41d1cf669dac3afe1380acf7f0f56f30c5509897fe9f86638096d0a56f49b4d
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/B8Z:o68i3odBiTl2+TCU/Y

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"	4bd29d5e096bfbf5895b246c1a3ec166.exe

Drops file in Windows directory 12 IoCs

description	ioc	Process
File created	C:\Windows\winhash_up.exez	4bd29d5e096bfbf5895b246c1a3ec166.exe
File opened for modification	C:\Windows\winhash_up.exez	4bd29d5e096bfbf5895b246c1a3ec166.exe
File created	C:\Windows\winhash_up.exe	4bd29d5e096bfbf5895b246c1a3ec166.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	4bd29d5e096bfbf5895b246c1a3ec166.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	4bd29d5e096bfbf5895b246c1a3ec166.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	4bd29d5e096bfbf5895b246c1a3ec166.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	4bd29d5e096bfbf5895b246c1a3ec166.exe
File created	C:\Windows\bugMAKER.bat	4bd29d5e096bfbf5895b246c1a3ec166.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	4bd29d5e096bfbf5895b246c1a3ec166.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	4bd29d5e096bfbf5895b246c1a3ec166.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	4bd29d5e096bfbf5895b246c1a3ec166.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	4bd29d5e096bfbf5895b246c1a3ec166.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 1672	1752	4bd29d5e096bfbf5895b246c1a3ec166.exe	20
PID 1752 wrote to memory of 1672	1752	4bd29d5e096bfbf5895b246c1a3ec166.exe	20
PID 1752 wrote to memory of 1672	1752	4bd29d5e096bfbf5895b246c1a3ec166.exe	20

C:\Users\Admin\AppData\Local\Temp\4bd29d5e096bfbf5895b246c1a3ec166.exe
"C:\Users\Admin\AppData\Local\Temp\4bd29d5e096bfbf5895b246c1a3ec166.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\bugMAKER.bat
  2⤵
  PID:1672

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
6c0ac573d4af6394f03ea6217b780e69

SHA1
941111fb9c0ba3b7df4e5f8cc96dfe85c5524ccc

SHA256
ca6cd2022822e195450c5bfa6a6423729aa9292dd67fd2714c9cb9ca30f0c3e5

SHA512
609ad34cccba8e2aa9cb339d8f9c67fd397cff966686a4db6e55fc0b34dc5202c8c64dd2fe9539cd418625f825dcb7c9adb07c827e36a75a9e2c09c1a3cf578d

Download Submit
memory/1752-24-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads