e4bf89f0f173f6c293ff297d431102ad00c30ab9592840925715a59b9b2875f0

Analysis

max time kernel
120s
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, 07:28

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General

Target

12230a5cbcd429735d5d31b4759bc382.exe
Size

688KB
MD5

12230a5cbcd429735d5d31b4759bc382
SHA1

f781a19701c374838fcfdae361359977645c9ca2
SHA256

e4bf89f0f173f6c293ff297d431102ad00c30ab9592840925715a59b9b2875f0
SHA512

47c93c639330cecd85275182cd4f63c5fece6867905c245a9cf0cdb9507ebbb2e1ec7ed6042191aef54a9355be793cd4c1e8dbf21150bffab29935e02066a339
SSDEEP

12288:WO5r2SoKqy0Ecw8NQ2ZBaLAhdOSkryZtGUyAoTJa3ONEoTtQsQud:J5rZoPy0Nw8VfaLEdOSlHGvAoTRNptU+

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
864	wnzczs.exe

Loads dropped DLL 6 IoCs

pid	Process
2440	12230a5cbcd429735d5d31b4759bc382.exe
864	wnzczs.exe
864	wnzczs.exe
864	wnzczs.exe
864	wnzczs.exe
864	wnzczs.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 6 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\SearchScopes\{24588FA4-10F1-41D7-B19D-6E22361E47FA}\DisplayName = "°Ù¶È"	12230a5cbcd429735d5d31b4759bc382.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\SearchScopes\{24588FA4-10F1-41D7-B19D-6E22361E47FA}\URL = "http://www.baidu.com/s?wd={searchTerms}&tn=site888_1_pg&cl=3&ie=utf-8"	12230a5cbcd429735d5d31b4759bc382.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\SearchScopes	12230a5cbcd429735d5d31b4759bc382.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\SearchScopes\DefaultScope = "{24588FA4-10F1-41D7-B19D-6E22361E47FA}"	12230a5cbcd429735d5d31b4759bc382.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\SearchScopes\{24588FA4-10F1-41D7-B19D-6E22361E47FA}	12230a5cbcd429735d5d31b4759bc382.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\SearchScopes\{24588FA4-10F1-41D7-B19D-6E22361E47FA}\Codepage = "65001"	12230a5cbcd429735d5d31b4759bc382.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
864	wnzczs.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 864	2440	12230a5cbcd429735d5d31b4759bc382.exe	16
PID 2440 wrote to memory of 864	2440	12230a5cbcd429735d5d31b4759bc382.exe	16
PID 2440 wrote to memory of 864	2440	12230a5cbcd429735d5d31b4759bc382.exe	16
PID 2440 wrote to memory of 864	2440	12230a5cbcd429735d5d31b4759bc382.exe	16
PID 2440 wrote to memory of 864	2440	12230a5cbcd429735d5d31b4759bc382.exe	16
PID 2440 wrote to memory of 864	2440	12230a5cbcd429735d5d31b4759bc382.exe	16
PID 2440 wrote to memory of 864	2440	12230a5cbcd429735d5d31b4759bc382.exe	16

C:\Users\Admin\AppData\Local\Temp\12230a5cbcd429735d5d31b4759bc382.exe
"C:\Users\Admin\AppData\Local\Temp\12230a5cbcd429735d5d31b4759bc382.exe"
1⤵
- Loads dropped DLL
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Users\Admin\AppData\Local\Temp\nso13FF.tmp\wnzczs.exe
  C:\Users\Admin\AppData\Local\Temp\nso13FF.tmp\wnzczs.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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