b9cb39c7c8616642cd973437f2a0889d36281c56a3471db1ed00503aeb94ad78

Analysis

max time kernel
152s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2022, 05:09

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General

Target

b9cb39c7c8616642cd973437f2a0889d36281c56a3471db1ed00503aeb94ad78.exe
Size

149KB
MD5

5cbed999c7ae9fdb61532610f890e807
SHA1

812c5a51c138a314ead616bf167871be4c9204f0
SHA256

b9cb39c7c8616642cd973437f2a0889d36281c56a3471db1ed00503aeb94ad78
SHA512

4000d9ac439945ab87f5a5318013a2021c1005b879162cd366dc91baf2ba303f527756119846592251aa49d5965fd59522b6318aab77ef684e980ada886d6d34
SSDEEP

3072:ZyYIrQkrnHI6tZeSTiNeCwc48HYduSXO1DFIy:4k6Hhekc48HYJXe

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4988	Zcucia.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job	Zcucia.exe
File opened for modification	C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job	Zcucia.exe
File created	C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job	b9cb39c7c8616642cd973437f2a0889d36281c56a3471db1ed00503aeb94ad78.exe
File opened for modification	C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job	b9cb39c7c8616642cd973437f2a0889d36281c56a3471db1ed00503aeb94ad78.exe
File created	C:\Windows\Zcucia.exe	b9cb39c7c8616642cd973437f2a0889d36281c56a3471db1ed00503aeb94ad78.exe
File opened for modification	C:\Windows\Zcucia.exe	b9cb39c7c8616642cd973437f2a0889d36281c56a3471db1ed00503aeb94ad78.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main	Zcucia.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\International	Zcucia.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe
4988	Zcucia.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 4988	2148	b9cb39c7c8616642cd973437f2a0889d36281c56a3471db1ed00503aeb94ad78.exe	80
PID 2148 wrote to memory of 4988	2148	b9cb39c7c8616642cd973437f2a0889d36281c56a3471db1ed00503aeb94ad78.exe	80
PID 2148 wrote to memory of 4988	2148	b9cb39c7c8616642cd973437f2a0889d36281c56a3471db1ed00503aeb94ad78.exe	80

C:\Users\Admin\AppData\Local\Temp\b9cb39c7c8616642cd973437f2a0889d36281c56a3471db1ed00503aeb94ad78.exe
"C:\Users\Admin\AppData\Local\Temp\b9cb39c7c8616642cd973437f2a0889d36281c56a3471db1ed00503aeb94ad78.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Windows\Zcucia.exe
  C:\Windows\Zcucia.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  PID:4988

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job

Filesize
426B

MD5
d9b4cbd5fb6764e3d347dad047fd8007

SHA1
f18a0e7c5cd13e18c15a295e27d038b3cc9f0a0c

SHA256
716eaf7f99a97018c5d2252468e267a8263a50c80ee1e9735a9f54abd0dab975

SHA512
5aeff0be8dfc63bfd830b6d42f0fb3506ba56c6880ed19fa93cf450893106c00323d147b47c5d5eeec3140ccb30c0685369fb4fd74b0d3fb6b72cc978168b2e0

Download Submit
C:\Windows\Zcucia.exe

Filesize
149KB

MD5
5cbed999c7ae9fdb61532610f890e807

SHA1
812c5a51c138a314ead616bf167871be4c9204f0

SHA256
b9cb39c7c8616642cd973437f2a0889d36281c56a3471db1ed00503aeb94ad78

SHA512
4000d9ac439945ab87f5a5318013a2021c1005b879162cd366dc91baf2ba303f527756119846592251aa49d5965fd59522b6318aab77ef684e980ada886d6d34

Download Submit
C:\Windows\Zcucia.exe

Filesize
149KB

MD5
5cbed999c7ae9fdb61532610f890e807

SHA1
812c5a51c138a314ead616bf167871be4c9204f0

SHA256
b9cb39c7c8616642cd973437f2a0889d36281c56a3471db1ed00503aeb94ad78

SHA512
4000d9ac439945ab87f5a5318013a2021c1005b879162cd366dc91baf2ba303f527756119846592251aa49d5965fd59522b6318aab77ef684e980ada886d6d34

Download Submit
memory/2148-132-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2148-138-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/2148-140-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/4988-137-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/4988-139-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download