Malware Analysis Report

2024-09-22 22:08

Sample ID 240616-l8s1tszanc
Target b2f677c78019de7254ffcfef7b4e073a_JaffaCakes118
SHA256 bf84b7fba7e1375ccc4f2bcf0229fa234ef14b2f0e5c4d9a61c5e66ea3a189fb
Tags
emotet epoch1 banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

bf84b7fba7e1375ccc4f2bcf0229fa234ef14b2f0e5c4d9a61c5e66ea3a189fb

Threat Level: Known bad

The file b2f677c78019de7254ffcfef7b4e073a_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch1 banker trojan

Emotet

Emotet payload

Executes dropped EXE

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-16 10:12

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 10:12

Reported

2024-06-16 10:15

Platform

win7-20240220-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b2f677c78019de7254ffcfef7b4e073a_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

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b2f677c78019de7254ffcfef7b4e073a_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b2f677c78019de7254ffcfef7b4e073a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b2f677c78019de7254ffcfef7b4e073a_JaffaCakes118.exe"

Network

Country Destination Domain Proto
AU 202.22.141.45:80 tcp
AU 202.22.141.45:80 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/2496-0-0x0000000000300000-0x0000000000312000-memory.dmp

memory/2496-4-0x00000000003A0000-0x00000000003B0000-memory.dmp

memory/2496-7-0x00000000002F0000-0x00000000002FF000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 10:12

Reported

2024-06-16 10:15

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b2f677c78019de7254ffcfef7b4e073a_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\icuuc\RTWorkQ.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\icuuc\RTWorkQ.exe C:\Users\Admin\AppData\Local\Temp\b2f677c78019de7254ffcfef7b4e073a_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b2f677c78019de7254ffcfef7b4e073a_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b2f677c78019de7254ffcfef7b4e073a_JaffaCakes118.exe N/A
N/A N/A C:\Windows\SysWOW64\icuuc\RTWorkQ.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b2f677c78019de7254ffcfef7b4e073a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b2f677c78019de7254ffcfef7b4e073a_JaffaCakes118.exe"

C:\Windows\SysWOW64\icuuc\RTWorkQ.exe

"C:\Windows\SysWOW64\icuuc\RTWorkQ.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 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
AU 202.22.141.45:80 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
FR 37.187.161.206:8080 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
TH 202.29.239.162:443 tcp
RU 80.87.201.221:7080 tcp
RO 82.76.111.249:443 tcp
US 216.47.196.104:80 tcp
US 8.8.8.8:53 234.17.178.52.in-addr.arpa udp

Files

memory/1128-0-0x00000000007C0000-0x00000000007D2000-memory.dmp

memory/1128-4-0x00000000007E0000-0x00000000007F0000-memory.dmp

memory/1128-7-0x00000000007B0000-0x00000000007BF000-memory.dmp

C:\Windows\SysWOW64\icuuc\RTWorkQ.exe

MD5 b2f677c78019de7254ffcfef7b4e073a
SHA1 971a630e93eb660e351167027f871127613c0cd9
SHA256 bf84b7fba7e1375ccc4f2bcf0229fa234ef14b2f0e5c4d9a61c5e66ea3a189fb
SHA512 58db69b1fe38d369c99f1ee2b01aecec8acc6c77b3610f474a985b21296b8974969535b35addc7417a13363fdca79eddd139e5aba811cf2dede27131bdfd0f7a

memory/1128-9-0x0000000000400000-0x00000000004AB000-memory.dmp

memory/888-14-0x0000000002210000-0x0000000002220000-memory.dmp

memory/888-10-0x00000000020A0000-0x00000000020B2000-memory.dmp