Malware Analysis Report

2025-01-03 05:44

Sample ID 240729-rvaj8awhpf
Target 4c1e207966725efb718d0d1ddbcf1daf_JaffaCakes118
SHA256 7c961d2b5b9e02265693b87385345546f8d03452e554f303c2f34ab21cd2a54f
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

7c961d2b5b9e02265693b87385345546f8d03452e554f303c2f34ab21cd2a54f

Threat Level: Known bad

The file 4c1e207966725efb718d0d1ddbcf1daf_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

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-29 14:30

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 14:30

Reported

2024-07-29 22:01

Platform

win10v2004-20240709-en

Max time kernel

132s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4c1e207966725efb718d0d1ddbcf1daf_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\4c1e207966725efb718d0d1ddbcf1daf_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4c1e207966725efb718d0d1ddbcf1daf_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4c1e207966725efb718d0d1ddbcf1daf_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 24.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 128.92.203.42:80 tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
FR 37.187.161.206:8080 tcp
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 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
TH 202.29.239.162:443 tcp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
RU 80.87.201.221:7080 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
AR 190.188.245.242:80 tcp
US 12.163.208.58:80 tcp

Files

memory/1972-0-0x0000000000AF0000-0x0000000000B02000-memory.dmp

memory/1972-4-0x0000000000E70000-0x0000000000E80000-memory.dmp

memory/1972-7-0x00000000009E0000-0x00000000009EF000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-29 14:30

Reported

2024-07-29 22:00

Platform

win7-20240729-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4c1e207966725efb718d0d1ddbcf1daf_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
N/A N/A N/A N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\TCPSVCS\bitsprx3.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\TCPSVCS\bitsprx3.exe C:\Users\Admin\AppData\Local\Temp\4c1e207966725efb718d0d1ddbcf1daf_JaffaCakes118.exe 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\4c1e207966725efb718d0d1ddbcf1daf_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\TCPSVCS\bitsprx3.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4c1e207966725efb718d0d1ddbcf1daf_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4c1e207966725efb718d0d1ddbcf1daf_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4c1e207966725efb718d0d1ddbcf1daf_JaffaCakes118.exe"

C:\Windows\SysWOW64\TCPSVCS\bitsprx3.exe

"C:\Windows\SysWOW64\TCPSVCS\bitsprx3.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/2904-4-0x00000000001E0000-0x00000000001F0000-memory.dmp

memory/2904-7-0x0000000000020000-0x000000000002F000-memory.dmp

memory/2904-0-0x00000000001C0000-0x00000000001D2000-memory.dmp

memory/2904-8-0x0000000000400000-0x000000000041C000-memory.dmp

C:\Windows\SysWOW64\TCPSVCS\bitsprx3.exe

MD5 4c1e207966725efb718d0d1ddbcf1daf
SHA1 b008ea6fecd877f4221221b8b56426474f2ebdfe
SHA256 7c961d2b5b9e02265693b87385345546f8d03452e554f303c2f34ab21cd2a54f
SHA512 f8689137059476230abdac24f9249d42a67142fc1db7dc46ef9050c703e65143977a49d4e0e2946ec31e24c370c0e0cd015d0e70eb4d36e37d4093fde89dd19d

memory/2732-10-0x0000000000230000-0x0000000000242000-memory.dmp

memory/2732-14-0x0000000000030000-0x0000000000040000-memory.dmp