Malware Analysis Report

2025-01-03 05:45

Sample ID 240729-q9jwrs1ern
Target 4a9a7d13f60c82e7a8a1326558295e10_JaffaCakes118
SHA256 c1d6d33fde6d324ec9a2538276d4d0d818e2429cdce32b9061e1c4b341efffdd
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

c1d6d33fde6d324ec9a2538276d4d0d818e2429cdce32b9061e1c4b341efffdd

Threat Level: Known bad

The file 4a9a7d13f60c82e7a8a1326558295e10_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

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-29 13:57

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 13:57

Reported

2024-07-29 21:04

Platform

win10v2004-20240709-en

Max time kernel

138s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4a9a7d13f60c82e7a8a1326558295e10_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

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\4a9a7d13f60c82e7a8a1326558295e10_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4a9a7d13f60c82e7a8a1326558295e10_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4a9a7d13f60c82e7a8a1326558295e10_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 128.92.203.42:80 tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 35.58.20.217.in-addr.arpa udp
FR 37.187.161.206:8080 tcp
TH 202.29.239.162:443 tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
RU 80.87.201.221:7080 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
AR 190.188.245.242:80 tcp
US 12.163.208.58:80 tcp

Files

memory/4816-4-0x0000000002A70000-0x0000000002A72000-memory.dmp

memory/4816-14-0x0000000002A70000-0x0000000002A72000-memory.dmp

memory/4816-13-0x0000000002A70000-0x0000000002A72000-memory.dmp

memory/4816-12-0x0000000002A70000-0x0000000002A72000-memory.dmp

memory/4816-11-0x0000000002A70000-0x0000000002A72000-memory.dmp

memory/4816-3-0x0000000002A70000-0x0000000002A72000-memory.dmp

memory/4816-10-0x0000000002A70000-0x0000000002A72000-memory.dmp

memory/4816-9-0x0000000002A70000-0x0000000002A72000-memory.dmp

memory/4816-8-0x0000000002A70000-0x0000000002A72000-memory.dmp

memory/4816-7-0x0000000002A70000-0x0000000002A72000-memory.dmp

memory/4816-6-0x0000000002A70000-0x0000000002A72000-memory.dmp

memory/4816-5-0x0000000002A70000-0x0000000002A72000-memory.dmp

memory/4816-15-0x0000000002A70000-0x0000000002A72000-memory.dmp

memory/4816-16-0x0000000000439000-0x000000000043A000-memory.dmp

memory/4816-17-0x0000000002A80000-0x0000000002A90000-memory.dmp

memory/4816-21-0x0000000000400000-0x0000000000469000-memory.dmp

memory/4816-22-0x0000000002A80000-0x0000000002A90000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-29 13:57

Reported

2024-07-29 21:09

Platform

win7-20240729-en

Max time kernel

132s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4a9a7d13f60c82e7a8a1326558295e10_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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\mfcm100\NlsLexicons0816.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\mfcm100\NlsLexicons0816.exe C:\Users\Admin\AppData\Local\Temp\4a9a7d13f60c82e7a8a1326558295e10_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\4a9a7d13f60c82e7a8a1326558295e10_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\mfcm100\NlsLexicons0816.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4a9a7d13f60c82e7a8a1326558295e10_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4a9a7d13f60c82e7a8a1326558295e10_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4a9a7d13f60c82e7a8a1326558295e10_JaffaCakes118.exe"

C:\Windows\SysWOW64\mfcm100\NlsLexicons0816.exe

"C:\Windows\SysWOW64\mfcm100\NlsLexicons0816.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/1316-3-0x00000000002D0000-0x00000000002D2000-memory.dmp

memory/1316-4-0x00000000002D0000-0x00000000002D2000-memory.dmp

memory/1316-5-0x00000000002D0000-0x00000000002D2000-memory.dmp

memory/1316-6-0x00000000002D0000-0x00000000002D2000-memory.dmp

memory/1316-7-0x00000000002D0000-0x00000000002D2000-memory.dmp

memory/1316-8-0x00000000002D0000-0x00000000002D2000-memory.dmp

memory/1316-9-0x00000000002D0000-0x00000000002D2000-memory.dmp

memory/1316-10-0x00000000002D0000-0x00000000002D2000-memory.dmp

memory/1316-12-0x00000000002D0000-0x00000000002D2000-memory.dmp

memory/1316-13-0x00000000002D0000-0x00000000002D2000-memory.dmp

memory/1316-14-0x00000000002D0000-0x00000000002D2000-memory.dmp

memory/1316-11-0x00000000002D0000-0x00000000002D2000-memory.dmp

memory/1316-15-0x00000000002D0000-0x00000000002D2000-memory.dmp

memory/1316-16-0x0000000000439000-0x000000000043A000-memory.dmp

memory/1316-17-0x00000000002E0000-0x00000000002F0000-memory.dmp

memory/1316-21-0x0000000000400000-0x0000000000469000-memory.dmp

C:\Windows\SysWOW64\mfcm100\NlsLexicons0816.exe

MD5 4a9a7d13f60c82e7a8a1326558295e10
SHA1 9cbe43e1fdf5eceabac1d3dbd4b3ffc07de3b9ff
SHA256 c1d6d33fde6d324ec9a2538276d4d0d818e2429cdce32b9061e1c4b341efffdd
SHA512 64eecd57b9e698eb219f55b5bb8203198c44c1feb3637b23abeef6b0c484f8bfedf7573eefec2ab8896732ac9157423da21018956da10d2d2e5b9ec20454e3e3

memory/2836-36-0x0000000000340000-0x0000000000342000-memory.dmp

memory/2836-38-0x0000000000340000-0x0000000000342000-memory.dmp

memory/2836-37-0x0000000000340000-0x0000000000342000-memory.dmp

memory/2836-35-0x0000000000340000-0x0000000000342000-memory.dmp

memory/2836-34-0x0000000000340000-0x0000000000342000-memory.dmp

memory/2836-33-0x0000000000340000-0x0000000000342000-memory.dmp

memory/2836-32-0x0000000000340000-0x0000000000342000-memory.dmp

memory/2836-31-0x0000000000340000-0x0000000000342000-memory.dmp

memory/2836-30-0x0000000000340000-0x0000000000342000-memory.dmp

memory/2836-29-0x0000000000340000-0x0000000000342000-memory.dmp

memory/2836-28-0x0000000000340000-0x0000000000342000-memory.dmp

memory/2836-39-0x0000000000340000-0x0000000000342000-memory.dmp

memory/2836-40-0x0000000000400000-0x0000000000469000-memory.dmp

memory/2836-41-0x0000000000350000-0x0000000000360000-memory.dmp

memory/2836-45-0x0000000000350000-0x0000000000360000-memory.dmp

memory/2836-46-0x0000000000400000-0x0000000000469000-memory.dmp