Malware Analysis Report

2025-01-03 06:14

Sample ID 240521-sy9ddsaf4t
Target 63cca393ab309282e416f7a1dcb97dd6_JaffaCakes118
SHA256 0191b05e5ce7e3b5fe92a3326ca74493be9fd9d8e31bdaefa68cbc5c9b6f62e7
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

0191b05e5ce7e3b5fe92a3326ca74493be9fd9d8e31bdaefa68cbc5c9b6f62e7

Threat Level: Known bad

The file 63cca393ab309282e416f7a1dcb97dd6_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

2024-05-21 15:33

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-21 15:33

Reported

2024-05-21 15:35

Platform

win7-20231129-en

Max time kernel

131s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\63cca393ab309282e416f7a1dcb97dd6_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\earconslide.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\earconslide.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F94CCB16-51A1-4C50-B23E-CC3DDCCD4A65}\WpadDecisionReason = "1" C:\Windows\SysWOW64\earconslide.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\earconslide.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\earconslide.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\earconslide.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F94CCB16-51A1-4C50-B23E-CC3DDCCD4A65} C:\Windows\SysWOW64\earconslide.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F94CCB16-51A1-4C50-B23E-CC3DDCCD4A65}\WpadDecisionTime = 2099f13d94abda01 C:\Windows\SysWOW64\earconslide.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-ee-d0-44-56-aa\WpadDecisionReason = "1" C:\Windows\SysWOW64\earconslide.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-ee-d0-44-56-aa\WpadDecisionTime = 2099f13d94abda01 C:\Windows\SysWOW64\earconslide.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-ee-d0-44-56-aa\WpadDecision = "0" C:\Windows\SysWOW64\earconslide.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\earconslide.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\earconslide.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F94CCB16-51A1-4C50-B23E-CC3DDCCD4A65}\7e-ee-d0-44-56-aa C:\Windows\SysWOW64\earconslide.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0048000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\earconslide.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F94CCB16-51A1-4C50-B23E-CC3DDCCD4A65}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\earconslide.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-ee-d0-44-56-aa C:\Windows\SysWOW64\earconslide.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\earconslide.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F94CCB16-51A1-4C50-B23E-CC3DDCCD4A65}\WpadDecision = "0" C:\Windows\SysWOW64\earconslide.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\63cca393ab309282e416f7a1dcb97dd6_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\63cca393ab309282e416f7a1dcb97dd6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\63cca393ab309282e416f7a1dcb97dd6_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\63cca393ab309282e416f7a1dcb97dd6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\63cca393ab309282e416f7a1dcb97dd6_JaffaCakes118.exe"

C:\Windows\SysWOW64\earconslide.exe

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

C:\Windows\SysWOW64\earconslide.exe

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

Network

Country Destination Domain Proto
US 173.73.83.146:80 tcp
US 173.73.83.146:80 tcp
US 174.80.166.76:80 tcp
US 174.80.166.76:80 tcp
US 70.110.29.159:995 tcp
US 70.110.29.159:995 tcp

Files

memory/2748-0-0x00000000002B0000-0x00000000002CA000-memory.dmp

memory/2748-6-0x0000000000350000-0x0000000000370000-memory.dmp

memory/2748-5-0x0000000000290000-0x00000000002AA000-memory.dmp

memory/2748-4-0x00000000002B0000-0x00000000002CA000-memory.dmp

memory/2748-13-0x0000000000290000-0x00000000002AA000-memory.dmp

memory/2856-14-0x0000000000330000-0x0000000000350000-memory.dmp

memory/2856-12-0x00000000002F0000-0x000000000030A000-memory.dmp

memory/2856-11-0x0000000000310000-0x000000000032A000-memory.dmp

memory/2856-7-0x0000000000310000-0x000000000032A000-memory.dmp

memory/2416-15-0x00000000002B0000-0x00000000002CA000-memory.dmp

memory/2416-21-0x00000000002D0000-0x00000000002F0000-memory.dmp

memory/2416-20-0x0000000000290000-0x00000000002AA000-memory.dmp

memory/2416-19-0x00000000002B0000-0x00000000002CA000-memory.dmp

memory/2416-27-0x0000000000290000-0x00000000002AA000-memory.dmp

memory/2672-26-0x0000000000770000-0x000000000078A000-memory.dmp

memory/2672-22-0x0000000000770000-0x000000000078A000-memory.dmp

memory/2672-28-0x0000000000750000-0x000000000076A000-memory.dmp

memory/2672-29-0x0000000000790000-0x00000000007B0000-memory.dmp

memory/2856-30-0x0000000000400000-0x000000000042C000-memory.dmp

memory/2856-31-0x00000000002F0000-0x000000000030A000-memory.dmp

memory/2672-32-0x0000000000750000-0x000000000076A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-21 15:33

Reported

2024-05-21 15:35

Platform

win10v2004-20240226-en

Max time kernel

152s

Max time network

159s

Command Line

"C:\Users\Admin\AppData\Local\Temp\63cca393ab309282e416f7a1dcb97dd6_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\63cca393ab309282e416f7a1dcb97dd6_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\63cca393ab309282e416f7a1dcb97dd6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\63cca393ab309282e416f7a1dcb97dd6_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\63cca393ab309282e416f7a1dcb97dd6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\63cca393ab309282e416f7a1dcb97dd6_JaffaCakes118.exe"

C:\Windows\SysWOW64\issearcon.exe

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

C:\Windows\SysWOW64\issearcon.exe

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

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2996 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 147.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 173.73.83.146:80 tcp
US 174.80.166.76:80 tcp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 71.42.6.29:22 tcp
US 50.192.66.204:8080 tcp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 56.94.73.104.in-addr.arpa udp
US 69.34.13.8:22 tcp
US 8.8.8.8:53 26.73.42.20.in-addr.arpa udp
CO 191.98.77.181:22 tcp

Files

memory/2380-0-0x00000000021B0000-0x00000000021CA000-memory.dmp

memory/2380-1-0x00000000021D0000-0x00000000021EA000-memory.dmp

memory/2380-5-0x00000000021D0000-0x00000000021EA000-memory.dmp

memory/2380-6-0x00000000021F0000-0x0000000002210000-memory.dmp

memory/2076-11-0x0000000000500000-0x000000000051A000-memory.dmp

memory/2076-7-0x0000000000500000-0x000000000051A000-memory.dmp

memory/2076-12-0x00000000004E0000-0x00000000004FA000-memory.dmp

memory/2076-13-0x00000000020B0000-0x00000000020D0000-memory.dmp

memory/2380-14-0x00000000021B0000-0x00000000021CA000-memory.dmp

memory/3132-22-0x0000000000D70000-0x0000000000D90000-memory.dmp

memory/3132-21-0x0000000000D30000-0x0000000000D4A000-memory.dmp

memory/3132-20-0x0000000000D50000-0x0000000000D6A000-memory.dmp

memory/3132-16-0x0000000000D50000-0x0000000000D6A000-memory.dmp

memory/2076-15-0x0000000000400000-0x000000000042C000-memory.dmp

memory/212-27-0x0000000000A70000-0x0000000000A8A000-memory.dmp

memory/212-29-0x0000000000D70000-0x0000000000D90000-memory.dmp

memory/212-28-0x0000000000A50000-0x0000000000A6A000-memory.dmp

memory/212-23-0x0000000000A70000-0x0000000000A8A000-memory.dmp

memory/3132-30-0x0000000000D30000-0x0000000000D4A000-memory.dmp

memory/2076-32-0x00000000004E0000-0x00000000004FA000-memory.dmp

memory/212-33-0x0000000000A50000-0x0000000000A6A000-memory.dmp