Malware Analysis Report

2024-10-18 21:13

Sample ID 240617-lrcmhsygrj
Target b7f71db7f2fc9521573a23bbf58aff93_JaffaCakes118
SHA256 ff1537685dcf05b1c30ebf2605a45bea91e9cf7a1aeadefc6dbc707717c2eed1
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

ff1537685dcf05b1c30ebf2605a45bea91e9cf7a1aeadefc6dbc707717c2eed1

Threat Level: Known bad

The file b7f71db7f2fc9521573a23bbf58aff93_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

2024-06-17 09:45

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-17 09:45

Reported

2024-06-17 09:48

Platform

win7-20240611-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b7f71db7f2fc9521573a23bbf58aff93_JaffaCakes118.exe"

Signatures

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\taupefiles.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\Wpad\ea-59-4c-ae-15-a3\WpadDecisionReason = "1" C:\Windows\SysWOW64\taupefiles.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\taupefiles.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\taupefiles.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\taupefiles.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5A8FBB1B-6051-4F89-A926-CC52D9579939}\WpadDecisionTime = d03c23299bc0da01 C:\Windows\SysWOW64\taupefiles.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5A8FBB1B-6051-4F89-A926-CC52D9579939}\WpadDecision = "0" C:\Windows\SysWOW64\taupefiles.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-59-4c-ae-15-a3 C:\Windows\SysWOW64\taupefiles.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5A8FBB1B-6051-4F89-A926-CC52D9579939}\ea-59-4c-ae-15-a3 C:\Windows\SysWOW64\taupefiles.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-59-4c-ae-15-a3\WpadDecisionTime = d03c23299bc0da01 C:\Windows\SysWOW64\taupefiles.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\taupefiles.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\taupefiles.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\taupefiles.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5A8FBB1B-6051-4F89-A926-CC52D9579939} C:\Windows\SysWOW64\taupefiles.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5A8FBB1B-6051-4F89-A926-CC52D9579939}\WpadDecisionReason = "1" C:\Windows\SysWOW64\taupefiles.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5A8FBB1B-6051-4F89-A926-CC52D9579939}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\taupefiles.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-59-4c-ae-15-a3\WpadDecision = "0" C:\Windows\SysWOW64\taupefiles.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-59-4c-ae-15-a3\WpadDetectedUrl C:\Windows\SysWOW64\taupefiles.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\taupefiles.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f016c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\taupefiles.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b7f71db7f2fc9521573a23bbf58aff93_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b7f71db7f2fc9521573a23bbf58aff93_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b7f71db7f2fc9521573a23bbf58aff93_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\b7f71db7f2fc9521573a23bbf58aff93_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b7f71db7f2fc9521573a23bbf58aff93_JaffaCakes118.exe"

C:\Windows\SysWOW64\taupefiles.exe

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

C:\Windows\SysWOW64\taupefiles.exe

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

Network

Country Destination Domain Proto
JE 83.137.249.200:8090 tcp
JE 83.137.249.200:8090 tcp
US 24.116.195.92:8080 tcp
US 24.116.195.92:8080 tcp
CA 204.29.213.242:80 tcp
CA 204.29.213.242:80 tcp
CA 209.89.46.153:80 tcp

Files

memory/2180-0-0x0000000000400000-0x0000000000417000-memory.dmp

memory/2180-5-0x0000000000250000-0x0000000000267000-memory.dmp

memory/2180-6-0x0000000000420000-0x0000000000440000-memory.dmp

memory/2112-13-0x00000000002A0000-0x00000000002C0000-memory.dmp

memory/2112-12-0x0000000000260000-0x0000000000277000-memory.dmp

memory/2112-11-0x0000000000280000-0x0000000000297000-memory.dmp

memory/2112-7-0x0000000000280000-0x0000000000297000-memory.dmp

memory/2760-27-0x00000000004F0000-0x0000000000510000-memory.dmp

memory/2760-26-0x0000000000270000-0x0000000000287000-memory.dmp

memory/2680-14-0x0000000000410000-0x0000000000427000-memory.dmp

memory/2680-18-0x0000000000410000-0x0000000000427000-memory.dmp

memory/2112-29-0x0000000000260000-0x0000000000277000-memory.dmp

memory/2112-28-0x0000000003000000-0x0000000003033000-memory.dmp

memory/2680-25-0x0000000000830000-0x0000000000850000-memory.dmp

memory/2680-24-0x0000000000270000-0x0000000000287000-memory.dmp

memory/2760-23-0x00000000004D0000-0x00000000004E7000-memory.dmp

memory/2760-19-0x00000000004D0000-0x00000000004E7000-memory.dmp

memory/2760-30-0x0000000000270000-0x0000000000287000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-17 09:45

Reported

2024-06-17 09:48

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b7f71db7f2fc9521573a23bbf58aff93_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\b7f71db7f2fc9521573a23bbf58aff93_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b7f71db7f2fc9521573a23bbf58aff93_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b7f71db7f2fc9521573a23bbf58aff93_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\b7f71db7f2fc9521573a23bbf58aff93_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b7f71db7f2fc9521573a23bbf58aff93_JaffaCakes118.exe"

C:\Windows\SysWOW64\lanesstarta.exe

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

C:\Windows\SysWOW64\lanesstarta.exe

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

Network

Country Destination Domain Proto
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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
NL 23.62.61.89:443 www.bing.com tcp
US 8.8.8.8:53 89.61.62.23.in-addr.arpa udp
JE 83.137.249.200:8090 tcp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 31.251.17.2.in-addr.arpa udp
US 24.116.195.92:8080 tcp
CA 204.29.213.242:80 tcp
CA 209.89.46.153:80 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
BG 94.155.136.9:20 tcp
GB 94.173.144.136:80 tcp
US 8.8.8.8:53 udp

Files

memory/384-0-0x00000000021C0000-0x00000000021D7000-memory.dmp

memory/384-4-0x00000000021C0000-0x00000000021D7000-memory.dmp

memory/384-6-0x00000000021E0000-0x0000000002200000-memory.dmp

memory/384-5-0x00000000006F0000-0x0000000000707000-memory.dmp

memory/1560-11-0x0000000000600000-0x0000000000617000-memory.dmp

memory/1560-7-0x0000000000600000-0x0000000000617000-memory.dmp

memory/1560-12-0x00000000005D0000-0x00000000005E7000-memory.dmp

memory/1560-13-0x0000000000620000-0x0000000000640000-memory.dmp

memory/2196-18-0x0000000000D10000-0x0000000000D27000-memory.dmp

memory/2196-14-0x0000000000D10000-0x0000000000D27000-memory.dmp

memory/2196-20-0x0000000000D30000-0x0000000000D50000-memory.dmp

memory/2196-19-0x0000000000580000-0x0000000000597000-memory.dmp

memory/2284-21-0x0000000000E70000-0x0000000000E87000-memory.dmp

memory/2196-28-0x0000000000580000-0x0000000000597000-memory.dmp

memory/2284-27-0x0000000000E90000-0x0000000000EB0000-memory.dmp

memory/2284-26-0x0000000000E50000-0x0000000000E67000-memory.dmp

memory/1560-29-0x0000000003000000-0x0000000003033000-memory.dmp

memory/1560-30-0x00000000005D0000-0x00000000005E7000-memory.dmp

memory/2284-25-0x0000000000E70000-0x0000000000E87000-memory.dmp

memory/2284-31-0x0000000000E50000-0x0000000000E67000-memory.dmp