78b79d5daf584e895054d8a8c523658f015f3e827aa652563c73b4f61523cf5b

Analysis

max time kernel
92s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
28/01/2024, 23:16 UTC

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General

Target

7e43a67ecd0364850f40a47153d26ed3.dll
Size

256KB
MD5

7e43a67ecd0364850f40a47153d26ed3
SHA1

f2fa92f193fc84b61c90f4b331259c496792ddf6
SHA256

78b79d5daf584e895054d8a8c523658f015f3e827aa652563c73b4f61523cf5b
SHA512

28d37715181d87bc634b5e485ed7c01dd8e27ab1f0a671bf6d4f58c856c228edfe2ef9fe374769d9ae5bf821439bb6cef01b00977c1dede65c8addecab4c2cb5
SSDEEP

3072:glV5N+1HkNpw3T+o8s7mVpQ4lqwKgALGi6qktYwqkeJG+VtTfpdtB/BztTn5lx:gltAE8biirkbe0U1h

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 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\ShellServiceObjectDelayLoad\bmlvqkn = "{A2B2FA72-10C8-4780-9A50-1AEDF4675BF6}"	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A2B2FA72-10C8-4780-9A50-1AEDF4675BF6}\InProcServer32\ = "C:\\Windows\\bmlvqkn.dll"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A2B2FA72-10C8-4780-9A50-1AEDF4675BF6}\InProcServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A2B2FA72-10C8-4780-9A50-1AEDF4675BF6}	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4116 wrote to memory of 4904	4116	rundll32.exe	86
PID 4116 wrote to memory of 4904	4116	rundll32.exe	86
PID 4116 wrote to memory of 4904	4116	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7e43a67ecd0364850f40a47153d26ed3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7e43a67ecd0364850f40a47153d26ed3.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Modifies registry class
  PID:4904

Network

DNS

133.211.185.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

133.211.185.52.in-addr.arpa

IN PTR

Response
DNS

173.178.17.96.in-addr.arpa

Remote address:

8.8.8.8:53

Request

173.178.17.96.in-addr.arpa

IN PTR

Response

173.178.17.96.in-addr.arpa

IN PTR

a96-17-178-173deploystaticakamaitechnologiescom
DNS

95.221.229.192.in-addr.arpa

Remote address:

8.8.8.8:53

Request

95.221.229.192.in-addr.arpa

IN PTR

Response
DNS

72.32.126.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

72.32.126.40.in-addr.arpa

IN PTR

Response
DNS

228.249.119.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

228.249.119.40.in-addr.arpa

IN PTR

Response
DNS

183.59.114.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

183.59.114.20.in-addr.arpa

IN PTR

Response
DNS

56.126.166.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

56.126.166.20.in-addr.arpa

IN PTR

Response
DNS

217.135.221.88.in-addr.arpa

Remote address:

8.8.8.8:53

Request

217.135.221.88.in-addr.arpa

IN PTR

Response

217.135.221.88.in-addr.arpa

IN PTR

a88-221-135-217deploystaticakamaitechnologiescom
DNS

180.178.17.96.in-addr.arpa

Remote address:

8.8.8.8:53

Request

180.178.17.96.in-addr.arpa

IN PTR

Response

180.178.17.96.in-addr.arpa

IN PTR

a96-17-178-180deploystaticakamaitechnologiescom
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

52.142.223.178:80

46 B
1

8.8.8.8:53

133.211.185.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

133.211.185.52.in-addr.arpa
8.8.8.8:53

173.178.17.96.in-addr.arpa

dns

72 B
137 B
1
1

DNS Request

173.178.17.96.in-addr.arpa
8.8.8.8:53

95.221.229.192.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

95.221.229.192.in-addr.arpa
8.8.8.8:53

72.32.126.40.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

72.32.126.40.in-addr.arpa
8.8.8.8:53

228.249.119.40.in-addr.arpa

dns

73 B
159 B
1
1

DNS Request

228.249.119.40.in-addr.arpa
8.8.8.8:53

183.59.114.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

183.59.114.20.in-addr.arpa
8.8.8.8:53

56.126.166.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

56.126.166.20.in-addr.arpa
8.8.8.8:53

217.135.221.88.in-addr.arpa

dns

73 B
139 B
1
1

DNS Request

217.135.221.88.in-addr.arpa
8.8.8.8:53

180.178.17.96.in-addr.arpa

dns

72 B
137 B
1
1

DNS Request

180.178.17.96.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

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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