Malware Analysis Report

2025-01-03 05:44

Sample ID 240729-rrcv6ssdkr
Target 4bd9e6bd838802e797842cff9535f127_JaffaCakes118
SHA256 9004a1f2b1a930a487b2c25e4d387345ea2351d35c6f1eee17a8afc41d508d33
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: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

9004a1f2b1a930a487b2c25e4d387345ea2351d35c6f1eee17a8afc41d508d33

Threat Level: Known bad

The file 4bd9e6bd838802e797842cff9535f127_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: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-29 14:25

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-29 14:25

Reported

2024-07-29 21:45

Platform

win7-20240704-en

Max time kernel

131s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4bd9e6bd838802e797842cff9535f127_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\4bd9e6bd838802e797842cff9535f127_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4bd9e6bd838802e797842cff9535f127_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4bd9e6bd838802e797842cff9535f127_JaffaCakes118.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

Files

memory/2872-7-0x0000000000020000-0x000000000002F000-memory.dmp

memory/2872-4-0x0000000000030000-0x0000000000040000-memory.dmp

memory/2872-0-0x0000000000230000-0x0000000000242000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 14:25

Reported

2024-07-29 21:53

Platform

win10v2004-20240729-en

Max time kernel

136s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4bd9e6bd838802e797842cff9535f127_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\termmgr\Phoneutil.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\termmgr\Phoneutil.exe C:\Users\Admin\AppData\Local\Temp\4bd9e6bd838802e797842cff9535f127_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:\Windows\SysWOW64\termmgr\Phoneutil.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4bd9e6bd838802e797842cff9535f127_JaffaCakes118.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4bd9e6bd838802e797842cff9535f127_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4bd9e6bd838802e797842cff9535f127_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4bd9e6bd838802e797842cff9535f127_JaffaCakes118.exe"

C:\Windows\SysWOW64\termmgr\Phoneutil.exe

"C:\Windows\SysWOW64\termmgr\Phoneutil.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 128.92.203.42:80 tcp
FR 37.187.161.206:8080 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
TH 202.29.239.162:443 tcp
RU 80.87.201.221:7080 tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
AR 190.188.245.242:80 tcp
US 12.163.208.58:80 tcp

Files

memory/1836-4-0x00000000006C0000-0x00000000006D0000-memory.dmp

memory/1836-1-0x00000000006A0000-0x00000000006B2000-memory.dmp

memory/1836-7-0x0000000000690000-0x000000000069F000-memory.dmp

C:\Windows\SysWOW64\termmgr\Phoneutil.exe

MD5 4bd9e6bd838802e797842cff9535f127
SHA1 683bc9b29f59b9f06132e15ab5c7f8c3eb9811e5
SHA256 9004a1f2b1a930a487b2c25e4d387345ea2351d35c6f1eee17a8afc41d508d33
SHA512 db33df25421338912659554f992668d897583838890144abe44d5f69e79b390df960dc3a7e942cc08a41c72a6cd51828a99edd8752dece3392a3f459374b95d5

memory/1836-9-0x0000000000400000-0x000000000041C000-memory.dmp

memory/3532-14-0x0000000000910000-0x0000000000920000-memory.dmp

memory/3532-10-0x00000000008F0000-0x0000000000902000-memory.dmp