66f929612fc030ff1323aa9835b3d98e94069505978f6c231e5cb838d4086aa7

Analysis

max time kernel
151s
max time network
135s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
11/10/2022, 05:12

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General

Target

66f929612fc030ff1323aa9835b3d98e94069505978f6c231e5cb838d4086aa7.exe
Size

223KB
MD5

49578a4ea87965f17a7ba98cefe683d1
SHA1

93737ea214d0b8b8053d81577c0c3570b434617f
SHA256

66f929612fc030ff1323aa9835b3d98e94069505978f6c231e5cb838d4086aa7
SHA512

2a78b77990df5e79aa66b5387b6f282010492082fd1832ded4a11dbf7a406938fd92f067d67135adab2d772c532f54170bad5c07901c6a2ed90932462c2f0f96
SSDEEP

6144:8WqvWaIeG6aViH5T8MtdF7GAghz5AU5VUDwWr7:wIgUE5gW7GlhNiwWr7

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1956	Cnimaa.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job	66f929612fc030ff1323aa9835b3d98e94069505978f6c231e5cb838d4086aa7.exe
File opened for modification	C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job	66f929612fc030ff1323aa9835b3d98e94069505978f6c231e5cb838d4086aa7.exe
File created	C:\Windows\Cnimaa.exe	66f929612fc030ff1323aa9835b3d98e94069505978f6c231e5cb838d4086aa7.exe
File opened for modification	C:\Windows\Cnimaa.exe	66f929612fc030ff1323aa9835b3d98e94069505978f6c231e5cb838d4086aa7.exe
File created	C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job	Cnimaa.exe
File opened for modification	C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job	Cnimaa.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	66f929612fc030ff1323aa9835b3d98e94069505978f6c231e5cb838d4086aa7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	Cnimaa.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	Cnimaa.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\International	Cnimaa.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe
1956	Cnimaa.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 364 wrote to memory of 1956	364	66f929612fc030ff1323aa9835b3d98e94069505978f6c231e5cb838d4086aa7.exe	26
PID 364 wrote to memory of 1956	364	66f929612fc030ff1323aa9835b3d98e94069505978f6c231e5cb838d4086aa7.exe	26
PID 364 wrote to memory of 1956	364	66f929612fc030ff1323aa9835b3d98e94069505978f6c231e5cb838d4086aa7.exe	26
PID 364 wrote to memory of 1956	364	66f929612fc030ff1323aa9835b3d98e94069505978f6c231e5cb838d4086aa7.exe	26

C:\Users\Admin\AppData\Local\Temp\66f929612fc030ff1323aa9835b3d98e94069505978f6c231e5cb838d4086aa7.exe
"C:\Users\Admin\AppData\Local\Temp\66f929612fc030ff1323aa9835b3d98e94069505978f6c231e5cb838d4086aa7.exe"
1⤵
- Drops file in Windows directory
- Enumerates system info in registry
- Suspicious use of WriteProcessMemory
PID:364
- C:\Windows\Cnimaa.exe
  C:\Windows\Cnimaa.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Enumerates system info in registry
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  PID:1956

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Cnimaa.exe

Filesize
223KB

MD5
49578a4ea87965f17a7ba98cefe683d1

SHA1
93737ea214d0b8b8053d81577c0c3570b434617f

SHA256
66f929612fc030ff1323aa9835b3d98e94069505978f6c231e5cb838d4086aa7

SHA512
2a78b77990df5e79aa66b5387b6f282010492082fd1832ded4a11dbf7a406938fd92f067d67135adab2d772c532f54170bad5c07901c6a2ed90932462c2f0f96

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

Filesize
408B

MD5
8bafa04675c1753c4f324c4c9545acb2

SHA1
f27d053a51c77573f5cbc0346a6f7677219c7930

SHA256
bd10a7e8fc681084237b1545ba6f9dcac3320d7feabe0c992c82e9d27fee4e25

SHA512
5ab782d8ca0bf101a47a6e75b73d59abaf02815497183549d39d3c8e6dc079894be2f7a0293587cb973f57a61f995727dbe621a5f5b98e3f071765bd140369e9

Download Submit
memory/364-54-0x0000000076681000-0x0000000076683000-memory.dmp

Filesize
8KB

Download
memory/364-55-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/364-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/364-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1956-60-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1956-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download