Malware Analysis Report

2025-01-03 06:13

Sample ID 240523-j8zr9saf5t
Target 6a5361ff62a6729d5a09dc414c505197_JaffaCakes118
SHA256 32f425cfbcc7ca76057c6ccc0ea5e0f27a59f7d276213036e72f8b614b360027
Tags
emotet 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

32f425cfbcc7ca76057c6ccc0ea5e0f27a59f7d276213036e72f8b614b360027

Threat Level: Known bad

The file 6a5361ff62a6729d5a09dc414c505197_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet banker trojan

Emotet

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-23 08:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-23 08:21

Reported

2024-05-23 08:23

Platform

win7-20240221-en

Max time kernel

131s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6a5361ff62a6729d5a09dc414c505197_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat C:\Windows\SysWOW64\rippledetect.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\rippledetect.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7B274256-EC98-4E65-A3E0-0501880B15E6}\WpadDecisionReason = "1" C:\Windows\SysWOW64\rippledetect.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7B274256-EC98-4E65-A3E0-0501880B15E6}\WpadDecisionTime = 90901835eaacda01 C:\Windows\SysWOW64\rippledetect.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7B274256-EC98-4E65-A3E0-0501880B15E6}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\rippledetect.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\rippledetect.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\rippledetect.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7B274256-EC98-4E65-A3E0-0501880B15E6}\WpadDecision = "0" C:\Windows\SysWOW64\rippledetect.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7B274256-EC98-4E65-A3E0-0501880B15E6}\52-7f-59-f5-bc-6f C:\Windows\SysWOW64\rippledetect.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-7f-59-f5-bc-6f\WpadDecisionReason = "1" C:\Windows\SysWOW64\rippledetect.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-7f-59-f5-bc-6f\WpadDecision = "0" C:\Windows\SysWOW64\rippledetect.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\rippledetect.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\rippledetect.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\rippledetect.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7B274256-EC98-4E65-A3E0-0501880B15E6} C:\Windows\SysWOW64\rippledetect.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-7f-59-f5-bc-6f C:\Windows\SysWOW64\rippledetect.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\rippledetect.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-7f-59-f5-bc-6f\WpadDecisionTime = 90901835eaacda01 C:\Windows\SysWOW64\rippledetect.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00ef000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\rippledetect.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6a5361ff62a6729d5a09dc414c505197_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6a5361ff62a6729d5a09dc414c505197_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6a5361ff62a6729d5a09dc414c505197_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\6a5361ff62a6729d5a09dc414c505197_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6a5361ff62a6729d5a09dc414c505197_JaffaCakes118.exe"

C:\Windows\SysWOW64\rippledetect.exe

"C:\Windows\SysWOW64\rippledetect.exe"

C:\Windows\SysWOW64\rippledetect.exe

"C:\Windows\SysWOW64\rippledetect.exe"

Network

Country Destination Domain Proto
MX 187.163.177.194:22 tcp
MX 187.163.177.194:22 tcp
AR 181.164.8.8:22 tcp
AR 181.164.8.8:22 tcp
MX 189.129.134.124:20 tcp
MX 189.129.134.124:20 tcp

Files

memory/2696-4-0x00000000000B0000-0x00000000000CA000-memory.dmp

memory/972-13-0x0000000000290000-0x00000000002B0000-memory.dmp

memory/972-12-0x0000000000090000-0x00000000000AA000-memory.dmp

memory/2696-11-0x0000000000420000-0x0000000000440000-memory.dmp

memory/2696-10-0x0000000000090000-0x00000000000AA000-memory.dmp

memory/972-9-0x0000000000160000-0x000000000017A000-memory.dmp

memory/972-5-0x0000000000160000-0x000000000017A000-memory.dmp

memory/2696-0-0x00000000000B0000-0x00000000000CA000-memory.dmp

memory/2552-14-0x0000000000700000-0x000000000071A000-memory.dmp

memory/2552-18-0x0000000000700000-0x000000000071A000-memory.dmp

memory/2552-20-0x0000000000720000-0x0000000000740000-memory.dmp

memory/2552-19-0x00000000004B0000-0x00000000004CA000-memory.dmp

memory/2620-26-0x0000000000190000-0x00000000001AA000-memory.dmp

memory/2620-27-0x00000000001D0000-0x00000000001F0000-memory.dmp

memory/2620-25-0x00000000001B0000-0x00000000001CA000-memory.dmp

memory/2620-21-0x00000000001B0000-0x00000000001CA000-memory.dmp

memory/972-28-0x00000000009E0000-0x0000000000A07000-memory.dmp

memory/972-29-0x0000000000090000-0x00000000000AA000-memory.dmp

memory/2620-30-0x0000000000190000-0x00000000001AA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-23 08:21

Reported

2024-05-23 08:23

Platform

win10v2004-20240508-en

Max time kernel

134s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6a5361ff62a6729d5a09dc414c505197_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6a5361ff62a6729d5a09dc414c505197_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6a5361ff62a6729d5a09dc414c505197_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6a5361ff62a6729d5a09dc414c505197_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\6a5361ff62a6729d5a09dc414c505197_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6a5361ff62a6729d5a09dc414c505197_JaffaCakes118.exe"

C:\Windows\SysWOW64\dasmrcwfp.exe

"C:\Windows\SysWOW64\dasmrcwfp.exe"

C:\Windows\SysWOW64\dasmrcwfp.exe

"C:\Windows\SysWOW64\dasmrcwfp.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
NL 23.62.61.129:443 www.bing.com tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 129.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
MX 187.163.177.194:22 tcp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
AR 181.164.8.8:22 tcp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
MX 189.129.134.124:20 tcp
MX 189.225.146.180:8443 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
PR 66.50.57.73:8080 tcp
CR 186.15.66.98:443 tcp

Files

memory/928-6-0x0000000002620000-0x0000000002640000-memory.dmp

memory/928-5-0x0000000000E20000-0x0000000000E3A000-memory.dmp

memory/928-4-0x0000000000E40000-0x0000000000E5A000-memory.dmp

memory/928-0-0x0000000000E40000-0x0000000000E5A000-memory.dmp

memory/2092-11-0x0000000001320000-0x000000000133A000-memory.dmp

memory/2092-7-0x0000000001320000-0x000000000133A000-memory.dmp

memory/928-14-0x0000000000E20000-0x0000000000E3A000-memory.dmp

memory/2092-13-0x0000000001340000-0x0000000001360000-memory.dmp

memory/2092-12-0x0000000001300000-0x000000000131A000-memory.dmp

memory/624-19-0x0000000001010000-0x000000000102A000-memory.dmp

memory/624-15-0x0000000001010000-0x000000000102A000-memory.dmp

memory/624-21-0x0000000001030000-0x0000000001050000-memory.dmp

memory/624-20-0x0000000000FF0000-0x000000000100A000-memory.dmp

memory/2464-26-0x00000000011B0000-0x00000000011CA000-memory.dmp

memory/2464-22-0x00000000011B0000-0x00000000011CA000-memory.dmp

memory/2464-27-0x0000000000EB0000-0x0000000000ECA000-memory.dmp

memory/2464-28-0x00000000011D0000-0x00000000011F0000-memory.dmp

memory/624-29-0x0000000000FF0000-0x000000000100A000-memory.dmp

memory/2092-30-0x0000000000050000-0x0000000000077000-memory.dmp

memory/2092-31-0x0000000001300000-0x000000000131A000-memory.dmp

memory/2464-32-0x0000000000EB0000-0x0000000000ECA000-memory.dmp