Malware Analysis Report

2024-10-18 21:14

Sample ID 240709-kjcrwaxfnc
Target 2fabc8f37286616dc98f5e7847936ef2_JaffaCakes118
SHA256 6046112cc10f7ed68043379432a019a22cb90f30f4a1028ab91556d001c9b325
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

6046112cc10f7ed68043379432a019a22cb90f30f4a1028ab91556d001c9b325

Threat Level: Known bad

The file 2fabc8f37286616dc98f5e7847936ef2_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

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-09 08:37

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-09 08:37

Reported

2024-07-09 11:58

Platform

win7-20240705-en

Max time kernel

149s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2fabc8f37286616dc98f5e7847936ef2_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\Mpedknldqlscrk\fqyoenkuyswrs.dmg 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 600 wrote to memory of 2120 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 600 wrote to memory of 2120 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 600 wrote to memory of 2120 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 600 wrote to memory of 2120 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 600 wrote to memory of 2120 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 600 wrote to memory of 2120 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 600 wrote to memory of 2120 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2120 wrote to memory of 2844 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2120 wrote to memory of 2844 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2120 wrote to memory of 2844 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2120 wrote to memory of 2844 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2120 wrote to memory of 2844 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2120 wrote to memory of 2844 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2120 wrote to memory of 2844 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2844 wrote to memory of 2212 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2844 wrote to memory of 2212 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2844 wrote to memory of 2212 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2844 wrote to memory of 2212 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2844 wrote to memory of 2212 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2844 wrote to memory of 2212 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2844 wrote to memory of 2212 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\2fabc8f37286616dc98f5e7847936ef2_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2fabc8f37286616dc98f5e7847936ef2_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Mpedknldqlscrk\fqyoenkuyswrs.dmg",neLXKpyMVbmuSd

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Mpedknldqlscrk\fqyoenkuyswrs.dmg",#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/2120-0-0x00000000002D0000-0x000000000036E000-memory.dmp

memory/2120-2-0x00000000002D1000-0x0000000000334000-memory.dmp

memory/2120-1-0x00000000001B0000-0x00000000001D7000-memory.dmp

memory/2844-5-0x0000000000830000-0x00000000008CE000-memory.dmp

memory/2120-4-0x00000000002D1000-0x0000000000334000-memory.dmp

memory/2120-3-0x00000000002D0000-0x000000000036E000-memory.dmp

memory/2844-6-0x0000000000831000-0x0000000000894000-memory.dmp

memory/2844-7-0x0000000000830000-0x00000000008CE000-memory.dmp

memory/2212-9-0x0000000000270000-0x000000000030E000-memory.dmp

memory/2844-8-0x0000000000831000-0x0000000000894000-memory.dmp

memory/2212-10-0x0000000000271000-0x00000000002D4000-memory.dmp

memory/2212-11-0x0000000000270000-0x000000000030E000-memory.dmp

memory/2212-13-0x0000000000271000-0x00000000002D4000-memory.dmp

memory/2212-16-0x0000000000270000-0x000000000030E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-09 08:37

Reported

2024-07-09 11:58

Platform

win10v2004-20240704-en

Max time kernel

142s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2fabc8f37286616dc98f5e7847936ef2_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

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Ugyajhzfkpmvci\qlipilulkpcoq.mob 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\2fabc8f37286616dc98f5e7847936ef2_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2fabc8f37286616dc98f5e7847936ef2_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ugyajhzfkpmvci\qlipilulkpcoq.mob",uwdGsmNQdQvc

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Ugyajhzfkpmvci\qlipilulkpcoq.mob",#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.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 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
FR 51.255.203.164:8080 tcp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
DE 217.160.169.110:8080 tcp
ES 185.183.16.47:80 tcp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
CL 190.45.24.210:80 tcp
MX 187.162.248.237:80 tcp

Files

memory/1500-0-0x0000000000F00000-0x0000000000F27000-memory.dmp

memory/1500-1-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1500-2-0x0000000000400000-0x000000000049E000-memory.dmp

memory/2152-6-0x0000000002170000-0x000000000220E000-memory.dmp

C:\Windows\SysWOW64\Ugyajhzfkpmvci\qlipilulkpcoq.mob

MD5 2fabc8f37286616dc98f5e7847936ef2
SHA1 eef94bc2061dc76e224f0910d3155377eab13d2a
SHA256 6046112cc10f7ed68043379432a019a22cb90f30f4a1028ab91556d001c9b325
SHA512 979663bec05efa6b615efd23c03918768e6e50155d042700a2fa2fa4cfe0e519a9794874996695535427ac9fba484694c535cac5407c47657090442be8066e4f

memory/1500-3-0x0000000000400000-0x0000000000424000-memory.dmp

memory/2152-8-0x0000000002170000-0x000000000220E000-memory.dmp

memory/2152-7-0x0000000002170000-0x0000000002194000-memory.dmp

memory/1372-10-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1372-11-0x0000000000400000-0x000000000049E000-memory.dmp

memory/1372-13-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1372-14-0x0000000000400000-0x000000000049E000-memory.dmp