802dbfdfed3a825876b1e5597938ea9be0af836db8c303d29e5b1b172c095c84

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14/03/2024, 03:50

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General

Target

c79da0758d4f24bd5cce47c48d9b271a.exe
Size

231KB
MD5

c79da0758d4f24bd5cce47c48d9b271a
SHA1

3f4a37595799c11d300708387e7e71d693ba7b88
SHA256

802dbfdfed3a825876b1e5597938ea9be0af836db8c303d29e5b1b172c095c84
SHA512

b109931aaf6bc8a05bf528a9edd2c2c352ee32697178ba6d01dd8c9b95c1028c7e312d6ebe865dcdbed535dfd356f2d30501b3af623cdadbed80066ed75f6a15
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/B8PpjBFy11AwL:o68i3odBiTl2+TCU/IhuhptkqxF

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"	c79da0758d4f24bd5cce47c48d9b271a.exe

Drops file in Windows directory 13 IoCs

description	ioc	Process
File created	C:\Windows\SHARE_TEMP\Icon13.ico	c79da0758d4f24bd5cce47c48d9b271a.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	c79da0758d4f24bd5cce47c48d9b271a.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	c79da0758d4f24bd5cce47c48d9b271a.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	c79da0758d4f24bd5cce47c48d9b271a.exe
File created	C:\Windows\bugMAKER.bat	c79da0758d4f24bd5cce47c48d9b271a.exe
File created	C:\Windows\winhash_up.exez	c79da0758d4f24bd5cce47c48d9b271a.exe
File opened for modification	C:\Windows\winhash_up.exez	c79da0758d4f24bd5cce47c48d9b271a.exe
File created	C:\Windows\winhash_up.exe	c79da0758d4f24bd5cce47c48d9b271a.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	c79da0758d4f24bd5cce47c48d9b271a.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	c79da0758d4f24bd5cce47c48d9b271a.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	c79da0758d4f24bd5cce47c48d9b271a.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	c79da0758d4f24bd5cce47c48d9b271a.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	c79da0758d4f24bd5cce47c48d9b271a.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 1048 wrote to memory of 2688	1048	c79da0758d4f24bd5cce47c48d9b271a.exe	28
PID 1048 wrote to memory of 2688	1048	c79da0758d4f24bd5cce47c48d9b271a.exe	28
PID 1048 wrote to memory of 2688	1048	c79da0758d4f24bd5cce47c48d9b271a.exe	28
PID 1048 wrote to memory of 2688	1048	c79da0758d4f24bd5cce47c48d9b271a.exe	28

C:\Users\Admin\AppData\Local\Temp\c79da0758d4f24bd5cce47c48d9b271a.exe
"C:\Users\Admin\AppData\Local\Temp\c79da0758d4f24bd5cce47c48d9b271a.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\bugMAKER.bat
  2⤵
  PID:2688

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
c509b6062d5c8cdd2ef170a1ab3f090b

SHA1
5fbc9bbadfefbf0dc5254bd493b5e95527697838

SHA256
f02fe7494690904d4f252e87d70eedf6562d37b48496833a9e2d00ba69e1fd71

SHA512
1960bd5b73c18f04568ea9dca222ac15cc5346c1201cfd65baafc1ed058391ca58b5fe56c1408d9ca87cc92634fff251efd94e84e3b744a14ff4761de81f8dfa

Download Submit
memory/1048-67-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2688-62-0x0000000000440000-0x0000000000441000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads