Malware Analysis Report

2025-01-03 05:44

Sample ID 240729-rmse3asbpm
Target 4b8572edcba93656ead2804bc556ef9d_JaffaCakes118
SHA256 4a44cd68e9ed70d8b34c6615331fc4f3072b8028b94fcacecd0a7c3950dcaff8
Tags
emotet epoch1 banker discovery trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

4a44cd68e9ed70d8b34c6615331fc4f3072b8028b94fcacecd0a7c3950dcaff8

Threat Level: Known bad

The file 4b8572edcba93656ead2804bc556ef9d_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch1 banker discovery trojan

Emotet

Emotet payload

Executes dropped EXE

Drops file in System32 directory

Unsigned PE

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-29 14:18

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 14:18

Reported

2024-07-29 21:33

Platform

win10v2004-20240709-en

Max time kernel

150s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4b8572edcba93656ead2804bc556ef9d_JaffaCakes118.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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4b8572edcba93656ead2804bc556ef9d_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4b8572edcba93656ead2804bc556ef9d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4b8572edcba93656ead2804bc556ef9d_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 128.92.203.42:80 tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
FR 37.187.161.206:8080 tcp
TH 202.29.239.162:443 tcp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
RU 80.87.201.221:7080 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
AR 190.188.245.242:80 tcp
US 12.163.208.58:80 tcp
US 8.8.8.8:53 udp

Files

memory/5040-0-0x00000000007A0000-0x00000000007B2000-memory.dmp

memory/5040-4-0x00000000007C0000-0x00000000007D0000-memory.dmp

memory/5040-7-0x0000000000790000-0x000000000079F000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-29 14:18

Reported

2024-07-29 21:40

Platform

win7-20240729-en

Max time kernel

149s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4b8572edcba93656ead2804bc556ef9d_JaffaCakes118.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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\dmloader\bitsprx6.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\dmloader\bitsprx6.exe C:\Users\Admin\AppData\Local\Temp\4b8572edcba93656ead2804bc556ef9d_JaffaCakes118.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4b8572edcba93656ead2804bc556ef9d_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\dmloader\bitsprx6.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4b8572edcba93656ead2804bc556ef9d_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4b8572edcba93656ead2804bc556ef9d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4b8572edcba93656ead2804bc556ef9d_JaffaCakes118.exe"

C:\Windows\SysWOW64\dmloader\bitsprx6.exe

"C:\Windows\SysWOW64\dmloader\bitsprx6.exe"

Network

Country Destination Domain Proto
US 128.92.203.42:80 tcp
US 128.92.203.42:80 tcp
FR 37.187.161.206:8080 tcp
FR 37.187.161.206:8080 tcp
TH 202.29.239.162:443 tcp
TH 202.29.239.162:443 tcp
RU 80.87.201.221:7080 tcp

Files

memory/580-0-0x0000000000220000-0x0000000000232000-memory.dmp

memory/580-7-0x0000000000020000-0x000000000002F000-memory.dmp

memory/580-4-0x0000000000030000-0x0000000000040000-memory.dmp

C:\Windows\SysWOW64\dmloader\bitsprx6.exe

MD5 4b8572edcba93656ead2804bc556ef9d
SHA1 942dade0a5f36608e368bd9903334ebe6093fa3c
SHA256 4a44cd68e9ed70d8b34c6615331fc4f3072b8028b94fcacecd0a7c3950dcaff8
SHA512 1f648a9ce8f97bcc90fc37fe9a8ddb3d8ae272cd4d4523e7ea550d90710bc4e9e0d8407514bc48187c281a2cd71cb7b7fa49ad841af938a2c627e11c4e9b6bf3

memory/580-9-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2952-10-0x00000000003B0000-0x00000000003C2000-memory.dmp