Malware Analysis Report

2025-01-03 06:14

Sample ID 240522-kdkwashe45
Target 66a376664502fb9bf77c36328d61c4e9_JaffaCakes118
SHA256 e44caa3d342dc8f9964af2b0731a799e2248f469c6445021ea51a62dd740354d
Tags
emotet banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

e44caa3d342dc8f9964af2b0731a799e2248f469c6445021ea51a62dd740354d

Threat Level: Known bad

The file 66a376664502fb9bf77c36328d61c4e9_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

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-22 08:29

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-22 08:29

Reported

2024-05-22 08:31

Platform

win10v2004-20240508-en

Max time kernel

143s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\66a376664502fb9bf77c36328d61c4e9_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\66a376664502fb9bf77c36328d61c4e9_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\66a376664502fb9bf77c36328d61c4e9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\66a376664502fb9bf77c36328d61c4e9_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\66a376664502fb9bf77c36328d61c4e9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\66a376664502fb9bf77c36328d61c4e9_JaffaCakes118.exe"

C:\Windows\SysWOW64\eclkey.exe

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

C:\Windows\SysWOW64\eclkey.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
GR 79.129.120.103:8080 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
AZ 93.88.93.100:443 93.88.93.100 tcp
US 8.8.8.8:53 100.93.88.93.in-addr.arpa udp
CR 201.237.32.61:8080 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
AE 86.98.213.136:443 tcp
US 47.180.70.59:8080 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 98.198.117.90:80 tcp
EC 190.131.167.194:8080 tcp

Files

memory/1492-0-0x0000000000400000-0x0000000000431000-memory.dmp

memory/1492-1-0x00000000008F0000-0x0000000000906000-memory.dmp

memory/1492-5-0x00000000008F0000-0x0000000000906000-memory.dmp

memory/1492-6-0x00000000008D0000-0x00000000008E6000-memory.dmp

memory/1492-7-0x0000000000910000-0x0000000000930000-memory.dmp

memory/2992-12-0x0000000000510000-0x0000000000526000-memory.dmp

memory/2992-8-0x0000000000510000-0x0000000000526000-memory.dmp

memory/1492-13-0x0000000000400000-0x0000000000431000-memory.dmp

memory/2992-15-0x0000000000530000-0x0000000000550000-memory.dmp

memory/2992-14-0x00000000004F0000-0x0000000000506000-memory.dmp

memory/4016-23-0x0000000000D80000-0x0000000000DA0000-memory.dmp

memory/4016-22-0x00000000008D0000-0x00000000008E6000-memory.dmp

memory/4016-21-0x0000000000400000-0x0000000000431000-memory.dmp

memory/4016-20-0x00000000008F0000-0x0000000000906000-memory.dmp

memory/4016-16-0x00000000008F0000-0x0000000000906000-memory.dmp

memory/220-24-0x0000000000EB0000-0x0000000000EC6000-memory.dmp

memory/4016-31-0x00000000008D0000-0x00000000008E6000-memory.dmp

memory/220-30-0x0000000000E90000-0x0000000000EA6000-memory.dmp

memory/220-29-0x0000000000ED0000-0x0000000000EF0000-memory.dmp

memory/220-28-0x0000000000EB0000-0x0000000000EC6000-memory.dmp

memory/2992-33-0x0000000000400000-0x0000000000431000-memory.dmp

memory/2992-34-0x00000000004F0000-0x0000000000506000-memory.dmp

memory/220-35-0x0000000000E90000-0x0000000000EA6000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-22 08:29

Reported

2024-05-22 08:31

Platform

win7-20240419-en

Max time kernel

129s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\66a376664502fb9bf77c36328d61c4e9_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\montanaoobe.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 C:\Windows\SysWOW64\montanaoobe.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00dc000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\montanaoobe.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C4BD23DC-E7FE-4C42-999E-0FA57D2A1D0F} C:\Windows\SysWOW64\montanaoobe.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C4BD23DC-E7FE-4C42-999E-0FA57D2A1D0F}\WpadDecision = "0" C:\Windows\SysWOW64\montanaoobe.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-0d-03-16-96-cc\WpadDecision = "0" C:\Windows\SysWOW64\montanaoobe.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\montanaoobe.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\montanaoobe.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C4BD23DC-E7FE-4C42-999E-0FA57D2A1D0F}\WpadDecisionReason = "1" C:\Windows\SysWOW64\montanaoobe.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C4BD23DC-E7FE-4C42-999E-0FA57D2A1D0F}\WpadDecisionTime = f01b302822acda01 C:\Windows\SysWOW64\montanaoobe.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C4BD23DC-E7FE-4C42-999E-0FA57D2A1D0F}\32-0d-03-16-96-cc C:\Windows\SysWOW64\montanaoobe.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-0d-03-16-96-cc\WpadDecisionTime = f01b302822acda01 C:\Windows\SysWOW64\montanaoobe.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\montanaoobe.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\montanaoobe.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C4BD23DC-E7FE-4C42-999E-0FA57D2A1D0F}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\montanaoobe.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-0d-03-16-96-cc\WpadDecisionReason = "1" C:\Windows\SysWOW64\montanaoobe.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\montanaoobe.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\montanaoobe.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-0d-03-16-96-cc C:\Windows\SysWOW64\montanaoobe.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\66a376664502fb9bf77c36328d61c4e9_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\66a376664502fb9bf77c36328d61c4e9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\66a376664502fb9bf77c36328d61c4e9_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\66a376664502fb9bf77c36328d61c4e9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\66a376664502fb9bf77c36328d61c4e9_JaffaCakes118.exe"

C:\Windows\SysWOW64\montanaoobe.exe

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

C:\Windows\SysWOW64\montanaoobe.exe

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

Network

Country Destination Domain Proto
GR 79.129.120.103:8080 tcp
GR 79.129.120.103:8080 tcp
AZ 93.88.93.100:443 93.88.93.100 tcp
CR 201.237.32.61:8080 tcp
CR 201.237.32.61:8080 tcp
AE 86.98.213.136:443 tcp
AE 86.98.213.136:443 tcp

Files

memory/1704-0-0x0000000000400000-0x0000000000431000-memory.dmp

memory/1704-5-0x0000000000280000-0x0000000000296000-memory.dmp

memory/1704-1-0x0000000000280000-0x0000000000296000-memory.dmp

memory/2412-15-0x0000000000280000-0x00000000002A0000-memory.dmp

memory/2412-14-0x0000000000240000-0x0000000000256000-memory.dmp

memory/1704-13-0x00000000002A0000-0x00000000002C0000-memory.dmp

memory/1704-12-0x00000000001D0000-0x00000000001E6000-memory.dmp

memory/1704-11-0x0000000000400000-0x0000000000431000-memory.dmp

memory/2412-10-0x0000000000260000-0x0000000000276000-memory.dmp

memory/2412-6-0x0000000000260000-0x0000000000276000-memory.dmp

memory/1780-16-0x0000000000400000-0x0000000000431000-memory.dmp

memory/1780-21-0x0000000000340000-0x0000000000356000-memory.dmp

memory/1780-17-0x0000000000340000-0x0000000000356000-memory.dmp

memory/1780-23-0x0000000000360000-0x0000000000380000-memory.dmp

memory/1780-22-0x0000000000320000-0x0000000000336000-memory.dmp

memory/2116-28-0x00000000003A0000-0x00000000003B6000-memory.dmp

memory/2116-24-0x00000000003A0000-0x00000000003B6000-memory.dmp

memory/2116-30-0x00000000003C0000-0x00000000003E0000-memory.dmp

memory/2116-29-0x0000000000380000-0x0000000000396000-memory.dmp

memory/1780-31-0x0000000000320000-0x0000000000336000-memory.dmp

memory/2412-33-0x0000000000240000-0x0000000000256000-memory.dmp

memory/2116-34-0x0000000000380000-0x0000000000396000-memory.dmp