b53b9796303fb2d0969dd2bf5175e6f383d0689084d2a9b43037b9dbc1298748 | Triage

Analysis

max time kernel
147s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20240226-es
resource tags

arch:x64arch:x86image:win10v2004-20240226-eslocale:es-esos:windows10-2004-x64systemwindows
submitted
28/03/2024, 22:46 UTC

Sharing

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General

Target

Yagami 1.0/libstdc++-6.dll
Size

1.5MB
MD5

63b4f37587334014fda842a04b1baae4
SHA1

86202ab04e3e69daacae4ea2612d5ea6f5f1b256
SHA256

544d488fcfd76749c5ef2cd6bf9f73cc9fe59a86a819d369d710cca6e43cf4b1
SHA512

f14c708789d64259ac37b9b631949dc29bd1d9e91bfeec1ef716ff13747893dec32c82d95d07a7ee629a9f554e059ccb2286a38d84366406ae4d536f5e318014
SSDEEP

24576:qOV/j1A8xgh30C/xM866mm3DMy3Ly5E9B0v4Q:X/zx98J3AYLy5B

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2220	4248	WerFault.exe	88

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4256 wrote to memory of 4248	4256	rundll32.exe	88
PID 4256 wrote to memory of 4248	4256	rundll32.exe	88
PID 4256 wrote to memory of 4248	4256	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Yagami 1.0\libstdc++-6.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4256
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Yagami 1.0\libstdc++-6.dll",#1
  2⤵
  PID:4248
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4248 -s 612
    3⤵
    - Program crash
    PID:2220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 4248 -ip 4248
1⤵
PID:2704

Network

DNS

241.150.49.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

241.150.49.20.in-addr.arpa

IN PTR

Response
DNS

69.31.126.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

69.31.126.40.in-addr.arpa

IN PTR

Response
DNS

104.219.191.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

104.219.191.52.in-addr.arpa

IN PTR

Response
DNS

157.123.68.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

157.123.68.40.in-addr.arpa

IN PTR

Response
DNS

206.23.85.13.in-addr.arpa

Remote address:

8.8.8.8:53

Request

206.23.85.13.in-addr.arpa

IN PTR

Response
DNS

31.243.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

31.243.111.52.in-addr.arpa

IN PTR

Response
DNS

137.71.105.51.in-addr.arpa

Remote address:

8.8.8.8:53

Request

137.71.105.51.in-addr.arpa

IN PTR

Response

20.231.121.79:80

46 B
1

8.8.8.8:53

241.150.49.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

241.150.49.20.in-addr.arpa
8.8.8.8:53

69.31.126.40.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

69.31.126.40.in-addr.arpa
8.8.8.8:53

104.219.191.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

104.219.191.52.in-addr.arpa
8.8.8.8:53

157.123.68.40.in-addr.arpa

dns

72 B
146 B
1
1

DNS Request

157.123.68.40.in-addr.arpa
8.8.8.8:53

206.23.85.13.in-addr.arpa

dns

71 B
145 B
1
1

DNS Request

206.23.85.13.in-addr.arpa
8.8.8.8:53

31.243.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

31.243.111.52.in-addr.arpa
8.8.8.8:53

137.71.105.51.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

137.71.105.51.in-addr.arpa

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4248-0-0x000000006FE40000-0x000000006FFBE000-memory.dmp

Filesize
1.5MB

Download
memory/4248-1-0x0000000064B40000-0x0000000064B5B000-memory.dmp

Filesize
108KB

Download
memory/4248-2-0x000000006EB40000-0x000000006EB64000-memory.dmp

Filesize
144KB

Download