Malware Analysis Report

2025-01-03 06:24

Sample ID 240306-j18p7sga33
Target task1.zip
SHA256 da385110321ef4da4d3660452118bda7c598c38f4b7ccf577cb67c266bdf2c61
Tags
emotet epoch2 banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

da385110321ef4da4d3660452118bda7c598c38f4b7ccf577cb67c266bdf2c61

Threat Level: Known bad

The file task1.zip was found to be: Known bad.

Malicious Activity Summary

emotet epoch2 banker trojan

Emotet

Emotet payload

Executes dropped EXE

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: RenamesItself

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-06 08:09

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-06 08:09

Reported

2024-03-06 08:51

Platform

win10-20240221-en

Max time kernel

590s

Max time network

591s

Command Line

"C:\Users\Admin\AppData\Local\Temp\task1.exe"

Signatures

Emotet

trojan banker emotet

Emotet payload

trojan banker
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\KBDYCC\dnsapi.exe C:\Users\Admin\AppData\Local\Temp\task1.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\task1.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\task1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\task1.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A
N/A N/A C:\Windows\SysWOW64\KBDYCC\dnsapi.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2816 wrote to memory of 4664 N/A C:\Users\Admin\AppData\Local\Temp\task1.exe C:\Windows\SysWOW64\KBDYCC\dnsapi.exe
PID 2816 wrote to memory of 4664 N/A C:\Users\Admin\AppData\Local\Temp\task1.exe C:\Windows\SysWOW64\KBDYCC\dnsapi.exe
PID 2816 wrote to memory of 4664 N/A C:\Users\Admin\AppData\Local\Temp\task1.exe C:\Windows\SysWOW64\KBDYCC\dnsapi.exe

Processes

C:\Users\Admin\AppData\Local\Temp\task1.exe

"C:\Users\Admin\AppData\Local\Temp\task1.exe"

C:\Windows\SysWOW64\KBDYCC\dnsapi.exe

"C:\Windows\SysWOW64\KBDYCC\dnsapi.exe"

Network

Country Destination Domain Proto
US 74.219.172.26:80 tcp
US 134.209.36.254:8080 tcp
US 104.156.59.7:8080 104.156.59.7 tcp
US 8.8.8.8:53 7.59.156.104.in-addr.arpa udp
NZ 120.138.30.150:8080 tcp
BG 194.187.133.160:443 tcp
US 104.236.246.93:8080 tcp
US 20.231.121.79:80 tcp
US 74.208.45.104:8080 tcp
US 8.8.8.8:53 104.193.132.51.in-addr.arpa udp
TR 78.187.156.31:80 tcp
MX 187.161.206.24:80 tcp
FR 94.23.216.33:80 tcp
US 172.91.208.86:80 tcp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
PL 91.211.88.52:7080 tcp
US 50.91.114.38:80 tcp
AR 200.123.150.89:443 tcp
KR 121.124.124.40:7080 tcp
FR 62.75.141.82:80 tcp
FR 5.196.74.210:8080 tcp
CA 24.137.76.62:80 tcp
TR 85.105.205.77:8080 tcp
AU 139.130.242.43:80 tcp
FR 82.225.49.121:80 tcp
AU 110.145.77.103:80 tcp
GR 195.251.213.56:80 tcp
FR 46.105.131.79:8080 tcp
DE 87.106.136.232:8080 tcp
US 75.139.38.211:80 tcp
NP 124.41.215.226:80 tcp

Files

memory/2816-0-0x0000000000590000-0x00000000005A2000-memory.dmp

memory/2816-7-0x0000000000580000-0x000000000058F000-memory.dmp

memory/2816-4-0x0000000000930000-0x0000000000940000-memory.dmp

C:\Windows\SysWOW64\KBDYCC\dnsapi.exe

MD5 2ba73d2d47cf2d388446b781613b7eff
SHA1 c75c7eb4814835388881d1b4c2db67e64a023e1e
SHA256 06c6442d5bb110140ac1cdbcf1be52388441b9a0750d59b743acc6b52d19582b
SHA512 667ddc16765d8c3c3596bb734174862db1f2ac24037c361a2e37ec9824c35a8926728400025d62c62c361b1b1e1a9d1e3b4c38c2c5989eee832e083481e50caa

memory/4664-9-0x00000000005F0000-0x0000000000602000-memory.dmp

memory/4664-13-0x0000000000610000-0x0000000000620000-memory.dmp