2d3c6aceecb6a3bcc55c842833bdaf6345148a84c41509c477d6f877ff7798ea

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
22/12/2023, 13:20

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General

Target

9fa5d0f5f63752a2e62954eb2b8f5ea3.exe
Size

170KB
MD5

9fa5d0f5f63752a2e62954eb2b8f5ea3
SHA1

f38117aea0530a32c5de2aa0435ffda78c69e88d
SHA256

2d3c6aceecb6a3bcc55c842833bdaf6345148a84c41509c477d6f877ff7798ea
SHA512

62b5ea73d7d79171914956edec1a2abfed4e9db6ead906a8615f2fc6e511bbf1a178c47c392b576459665b99960133e171880f5d8e4b72a27c635b602a0576f4
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/e8t:o68i3odBiTl2+TCU/P

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"	9fa5d0f5f63752a2e62954eb2b8f5ea3.exe

Drops file in Windows directory 13 IoCs

description	ioc	Process
File opened for modification	C:\Windows\winhash_up.exez	9fa5d0f5f63752a2e62954eb2b8f5ea3.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	9fa5d0f5f63752a2e62954eb2b8f5ea3.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	9fa5d0f5f63752a2e62954eb2b8f5ea3.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	9fa5d0f5f63752a2e62954eb2b8f5ea3.exe
File created	C:\Windows\winhash_up.exe	9fa5d0f5f63752a2e62954eb2b8f5ea3.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	9fa5d0f5f63752a2e62954eb2b8f5ea3.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	9fa5d0f5f63752a2e62954eb2b8f5ea3.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	9fa5d0f5f63752a2e62954eb2b8f5ea3.exe
File created	C:\Windows\bugMAKER.bat	9fa5d0f5f63752a2e62954eb2b8f5ea3.exe
File created	C:\Windows\winhash_up.exez	9fa5d0f5f63752a2e62954eb2b8f5ea3.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	9fa5d0f5f63752a2e62954eb2b8f5ea3.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	9fa5d0f5f63752a2e62954eb2b8f5ea3.exe
File created	C:\Windows\SHARE_TEMP\Icon13.ico	9fa5d0f5f63752a2e62954eb2b8f5ea3.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 1732 wrote to memory of 2268	1732	9fa5d0f5f63752a2e62954eb2b8f5ea3.exe	28
PID 1732 wrote to memory of 2268	1732	9fa5d0f5f63752a2e62954eb2b8f5ea3.exe	28
PID 1732 wrote to memory of 2268	1732	9fa5d0f5f63752a2e62954eb2b8f5ea3.exe	28
PID 1732 wrote to memory of 2268	1732	9fa5d0f5f63752a2e62954eb2b8f5ea3.exe	28

C:\Users\Admin\AppData\Local\Temp\9fa5d0f5f63752a2e62954eb2b8f5ea3.exe
"C:\Users\Admin\AppData\Local\Temp\9fa5d0f5f63752a2e62954eb2b8f5ea3.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\bugMAKER.bat
  2⤵
  PID:2268

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
e54724f108541b6a8e24457080e7a630

SHA1
ea8fced4a0a76cc32521c66a242d8afb94062f1f

SHA256
5db329d00550b621315ce59afbb8f528dfa3d39ea265837348f795f58e4a4e9c

SHA512
5c28925c29d292050a85766d209731bb1521a07c538d4c0fab1db96039284d0d6f1703e077b53d5278928e4b919c3d9843d0246610e3ab5d633f9dcd2c45da9e

Download Submit
memory/1732-67-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2268-62-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads