Malware Analysis Report

2024-10-18 21:15

Sample ID 240712-rymzqaxgkk
Target 3dc75bc9ba57c18bf88663963bbb50c7_JaffaCakes118
SHA256 65f14ae4b0e869f72896fc712347ddc8fe9466c2f1109924c0db5e1bbe66ca36
Tags
emotet epoch3 banker 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

65f14ae4b0e869f72896fc712347ddc8fe9466c2f1109924c0db5e1bbe66ca36

Threat Level: Known bad

The file 3dc75bc9ba57c18bf88663963bbb50c7_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch3 banker trojan

Emotet

Blocklisted process makes network request

Loads dropped DLL

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-12 14:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-12 14:36

Reported

2024-07-12 14:38

Platform

win7-20240704-en

Max time kernel

149s

Max time network

153s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3dc75bc9ba57c18bf88663963bbb50c7_JaffaCakes118.dll,#1

Signatures

Emotet

trojan banker emotet

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3dc75bc9ba57c18bf88663963bbb50c7_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3dc75bc9ba57c18bf88663963bbb50c7_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
AR 190.55.186.229:80 tcp
AR 190.55.186.229:80 tcp
TH 203.157.152.9:7080 tcp
TH 203.157.152.9:7080 tcp
SG 157.245.145.87:443 tcp
SG 157.245.145.87:443 tcp

Files

memory/2716-0-0x00000000006E0000-0x000000000077C000-memory.dmp

memory/2716-2-0x00000000006E1000-0x0000000000744000-memory.dmp

memory/2716-1-0x0000000000680000-0x00000000006A5000-memory.dmp

memory/2716-3-0x00000000006E0000-0x000000000077C000-memory.dmp

memory/2716-5-0x00000000006E1000-0x0000000000744000-memory.dmp

memory/2716-8-0x00000000006E0000-0x000000000077C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-12 14:36

Reported

2024-07-12 14:38

Platform

win10v2004-20240709-en

Max time kernel

144s

Max time network

149s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3dc75bc9ba57c18bf88663963bbb50c7_JaffaCakes118.dll,#1

Signatures

Emotet

trojan banker emotet

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Ajiogtmft\czfhtyhv.uwq C:\Windows\SysWOW64\rundll32.exe N/A

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3dc75bc9ba57c18bf88663963bbb50c7_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3dc75bc9ba57c18bf88663963bbb50c7_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ajiogtmft\czfhtyhv.uwq",wCVgSXjKHCtROAh

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Ajiogtmft\czfhtyhv.uwq",#1

Network

Country Destination Domain Proto
AR 190.55.186.229:80 tcp
TH 203.157.152.9:7080 tcp
SG 157.245.145.87:443 tcp
MX 132.248.38.158:80 tcp
IN 110.172.180.180:8080 tcp
US 70.32.89.105:8080 tcp

Files

memory/2940-0-0x0000000002A00000-0x0000000002A25000-memory.dmp

memory/2940-1-0x0000000000400000-0x0000000000423000-memory.dmp

memory/2940-2-0x0000000000400000-0x000000000049C000-memory.dmp

C:\Windows\SysWOW64\Ajiogtmft\czfhtyhv.uwq

MD5 3dc75bc9ba57c18bf88663963bbb50c7
SHA1 e2cc25dd118d3aef3ff2ec1970ea39e2bd88b85f
SHA256 65f14ae4b0e869f72896fc712347ddc8fe9466c2f1109924c0db5e1bbe66ca36
SHA512 5c12cdf68a220286d55a1e74adb76e61fac620813e9d64def72ea50f0a7fda307312ce6c771a8a6e0a6fdff60f8fe38bbeecf94c1599e9f46430e9184c537972

memory/2940-3-0x0000000000400000-0x0000000000423000-memory.dmp

memory/2616-5-0x0000000000400000-0x000000000049C000-memory.dmp

memory/2616-6-0x0000000000400000-0x0000000000423000-memory.dmp

memory/5036-8-0x0000000000400000-0x000000000049C000-memory.dmp

memory/5036-9-0x0000000000400000-0x000000000049C000-memory.dmp

memory/5036-10-0x0000000000400000-0x000000000049C000-memory.dmp

memory/5036-12-0x0000000000400000-0x000000000049C000-memory.dmp