Malware Analysis Report

2024-10-18 21:13

Sample ID 240709-fzfq9azfjh
Target 2f1ca249b9cabcbae156adbc41654b3d_JaffaCakes118
SHA256 f667b790349af8d15bdce6a74e91d176d50c98c57c2e1905b3114828abf7b78f
Tags
emotet epoch1 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

f667b790349af8d15bdce6a74e91d176d50c98c57c2e1905b3114828abf7b78f

Threat Level: Known bad

The file 2f1ca249b9cabcbae156adbc41654b3d_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch1 banker trojan

Emotet

Blocklisted process makes network request

Loads dropped DLL

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious behavior: RenamesItself

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-09 05:18

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-09 05:18

Reported

2024-07-09 10:00

Platform

win7-20240708-en

Max time kernel

146s

Max time network

146s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2f1ca249b9cabcbae156adbc41654b3d_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

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Xdohjoztg\xktewvxo.zwy C:\Windows\SysWOW64\rundll32.exe N/A

Enumerates physical storage devices

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

Suspicious behavior: RenamesItself

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2640 wrote to memory of 2416 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2640 wrote to memory of 2416 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2640 wrote to memory of 2416 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2640 wrote to memory of 2416 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2640 wrote to memory of 2416 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2640 wrote to memory of 2416 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2640 wrote to memory of 2416 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2416 wrote to memory of 2788 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2416 wrote to memory of 2788 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2416 wrote to memory of 2788 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2416 wrote to memory of 2788 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2416 wrote to memory of 2788 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2416 wrote to memory of 2788 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2416 wrote to memory of 2788 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2788 wrote to memory of 2704 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2788 wrote to memory of 2704 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2788 wrote to memory of 2704 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2788 wrote to memory of 2704 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2788 wrote to memory of 2704 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2788 wrote to memory of 2704 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2788 wrote to memory of 2704 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2f1ca249b9cabcbae156adbc41654b3d_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2f1ca249b9cabcbae156adbc41654b3d_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Xdohjoztg\xktewvxo.zwy",eBYHStwsbXmJBz

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Xdohjoztg\xktewvxo.zwy",#1

Network

Country Destination Domain Proto
RO 84.232.229.24:80 tcp
RO 84.232.229.24:80 tcp
FR 51.255.203.164:8080 tcp
FR 51.255.203.164:8080 tcp
DE 217.160.169.110:8080 tcp
DE 217.160.169.110:8080 tcp

Files

memory/2416-0-0x0000000000A70000-0x0000000000B0E000-memory.dmp

memory/2416-1-0x0000000000210000-0x0000000000237000-memory.dmp

memory/2416-2-0x0000000000A71000-0x0000000000AD4000-memory.dmp

memory/2788-5-0x0000000000240000-0x00000000002DE000-memory.dmp

memory/2416-4-0x0000000000A71000-0x0000000000AD4000-memory.dmp

memory/2416-3-0x0000000000A70000-0x0000000000B0E000-memory.dmp

memory/2704-8-0x0000000000220000-0x00000000002BE000-memory.dmp

memory/2788-7-0x0000000000241000-0x00000000002A4000-memory.dmp

memory/2788-6-0x0000000000240000-0x00000000002DE000-memory.dmp

memory/2704-9-0x0000000000221000-0x0000000000284000-memory.dmp

memory/2704-10-0x0000000000220000-0x00000000002BE000-memory.dmp

memory/2704-12-0x0000000000221000-0x0000000000284000-memory.dmp

memory/2704-15-0x0000000000220000-0x00000000002BE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-09 05:18

Reported

2024-07-09 10:00

Platform

win10v2004-20240704-en

Max time kernel

148s

Max time network

152s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2f1ca249b9cabcbae156adbc41654b3d_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
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\Ocluepqak\nhlsingx.dtw 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\2f1ca249b9cabcbae156adbc41654b3d_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2f1ca249b9cabcbae156adbc41654b3d_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ocluepqak\nhlsingx.dtw",MvtEGqiVlsfFZio

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Ocluepqak\nhlsingx.dtw",#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
RO 84.232.229.24:80 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
FR 51.255.203.164:8080 tcp
DE 217.160.169.110:8080 tcp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
ES 185.183.16.47:80 tcp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
CL 190.45.24.210:80 tcp
MX 187.162.248.237:80 tcp
US 8.8.8.8:53 30.73.42.20.in-addr.arpa udp

Files

memory/872-1-0x0000000000400000-0x0000000000424000-memory.dmp

memory/872-0-0x0000000001580000-0x00000000015A7000-memory.dmp

memory/872-3-0x0000000000400000-0x0000000000424000-memory.dmp

memory/872-2-0x0000000000400000-0x000000000049E000-memory.dmp

memory/1108-6-0x0000000000870000-0x000000000090E000-memory.dmp

C:\Windows\SysWOW64\Ocluepqak\nhlsingx.dtw

MD5 2f1ca249b9cabcbae156adbc41654b3d
SHA1 37c4c9c6bb57ddfcf1ad4f269f27afb361b27fa7
SHA256 f667b790349af8d15bdce6a74e91d176d50c98c57c2e1905b3114828abf7b78f
SHA512 61c44bcf6dffdff8d598a928c6a2786871cbc32abe0705c0ed0155aa7f4562ff219e364ff6dc4ed6964358f3de3198bf56fbaa8eda063581049c4ecc0028b83d

memory/1108-8-0x0000000000870000-0x0000000000894000-memory.dmp

memory/1108-7-0x0000000000870000-0x000000000090E000-memory.dmp

memory/2368-11-0x00000000006F0000-0x000000000078E000-memory.dmp

memory/2368-12-0x00000000006F0000-0x0000000000714000-memory.dmp

memory/2368-13-0x00000000006F0000-0x000000000078E000-memory.dmp

memory/2368-15-0x00000000006F0000-0x0000000000714000-memory.dmp

memory/2368-16-0x00000000006F0000-0x000000000078E000-memory.dmp