Malware Analysis Report

2025-01-03 06:13

Sample ID 240522-ywhqjsef7v
Target 6876afa341bef064704f03cb436b2788_JaffaCakes118
SHA256 92337a1dd1c57e1f8c234f28155137afe51e0296e078fd22e2e3875fe2352843
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

92337a1dd1c57e1f8c234f28155137afe51e0296e078fd22e2e3875fe2352843

Threat Level: Known bad

The file 6876afa341bef064704f03cb436b2788_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

2024-05-22 20:08

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-22 20:08

Reported

2024-05-22 20:10

Platform

win7-20240221-en

Max time kernel

130s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6876afa341bef064704f03cb436b2788_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\limeiface.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\limeiface.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\limeiface.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\limeiface.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{17C975A2-8BE4-4EC8-9AE4-9EB1CB0AF809} C:\Windows\SysWOW64\limeiface.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{17C975A2-8BE4-4EC8-9AE4-9EB1CB0AF809}\WpadDecisionReason = "1" C:\Windows\SysWOW64\limeiface.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\92-d4-a9-e7-20-a3\WpadDecision = "0" C:\Windows\SysWOW64\limeiface.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\92-d4-a9-e7-20-a3\WpadDecisionTime = 60ff08d183acda01 C:\Windows\SysWOW64\limeiface.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\limeiface.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\limeiface.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0114000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\limeiface.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{17C975A2-8BE4-4EC8-9AE4-9EB1CB0AF809}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\limeiface.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\92-d4-a9-e7-20-a3 C:\Windows\SysWOW64\limeiface.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\limeiface.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\limeiface.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{17C975A2-8BE4-4EC8-9AE4-9EB1CB0AF809}\WpadDecisionTime = 60ff08d183acda01 C:\Windows\SysWOW64\limeiface.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{17C975A2-8BE4-4EC8-9AE4-9EB1CB0AF809}\WpadDecision = "0" C:\Windows\SysWOW64\limeiface.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{17C975A2-8BE4-4EC8-9AE4-9EB1CB0AF809}\92-d4-a9-e7-20-a3 C:\Windows\SysWOW64\limeiface.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\92-d4-a9-e7-20-a3\WpadDecisionReason = "1" C:\Windows\SysWOW64\limeiface.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6876afa341bef064704f03cb436b2788_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6876afa341bef064704f03cb436b2788_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6876afa341bef064704f03cb436b2788_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\6876afa341bef064704f03cb436b2788_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6876afa341bef064704f03cb436b2788_JaffaCakes118.exe"

C:\Windows\SysWOW64\limeiface.exe

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

C:\Windows\SysWOW64\limeiface.exe

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

Network

Country Destination Domain Proto
MX 189.226.214.129:8080 tcp
MX 189.226.214.129:8080 tcp
EC 200.124.225.32:80 tcp
EC 200.124.225.32:80 tcp
CA 70.80.135.35:8443 tcp
CA 70.80.135.35:8443 tcp

Files

memory/2128-0-0x00000000002B0000-0x00000000002C7000-memory.dmp

memory/2128-4-0x00000000002B0000-0x00000000002C7000-memory.dmp

memory/2128-5-0x0000000000290000-0x00000000002A7000-memory.dmp

memory/2128-6-0x0000000000200000-0x0000000000210000-memory.dmp

memory/2380-13-0x0000000000380000-0x0000000000390000-memory.dmp

memory/2380-12-0x00000000003D0000-0x00000000003E7000-memory.dmp

memory/2380-11-0x0000000000500000-0x0000000000517000-memory.dmp

memory/2380-7-0x0000000000500000-0x0000000000517000-memory.dmp

memory/2400-14-0x00000000003D0000-0x00000000003E7000-memory.dmp

memory/2400-18-0x00000000003D0000-0x00000000003E7000-memory.dmp

memory/2400-20-0x00000000003F0000-0x0000000000400000-memory.dmp

memory/2400-19-0x00000000003B0000-0x00000000003C7000-memory.dmp

memory/2380-26-0x0000000000400000-0x0000000000437000-memory.dmp

memory/2380-27-0x00000000003D0000-0x00000000003E7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-22 20:08

Reported

2024-05-22 20:10

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6876afa341bef064704f03cb436b2788_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\6876afa341bef064704f03cb436b2788_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6876afa341bef064704f03cb436b2788_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6876afa341bef064704f03cb436b2788_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\6876afa341bef064704f03cb436b2788_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6876afa341bef064704f03cb436b2788_JaffaCakes118.exe"

C:\Windows\SysWOW64\cchwork.exe

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

C:\Windows\SysWOW64\cchwork.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.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 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
MX 189.226.214.129:8080 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
EC 200.124.225.32:80 tcp
US 8.8.8.8:53 98.56.20.217.in-addr.arpa udp
CA 70.80.135.35:8443 tcp
MX 201.102.7.208:8443 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 100.58.20.217.in-addr.arpa udp
NL 23.62.61.75:443 www.bing.com tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 75.61.62.23.in-addr.arpa udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
CO 181.63.199.17:7080 tcp
MX 189.222.245.247:80 tcp
IN 1.22.119.250:80 tcp

Files

memory/3000-0-0x0000000000A40000-0x0000000000A57000-memory.dmp

memory/3000-2-0x0000000000A20000-0x0000000000A37000-memory.dmp

memory/3000-5-0x0000000000A40000-0x0000000000A57000-memory.dmp

memory/3000-6-0x00000000022D0000-0x00000000022E0000-memory.dmp

memory/3316-11-0x0000000000730000-0x0000000000747000-memory.dmp

memory/3316-7-0x0000000000730000-0x0000000000747000-memory.dmp

memory/3316-13-0x00000000005B0000-0x00000000005C0000-memory.dmp

memory/3316-12-0x00000000006F0000-0x0000000000707000-memory.dmp

memory/3000-14-0x0000000000A20000-0x0000000000A37000-memory.dmp

memory/3520-15-0x0000000000910000-0x0000000000927000-memory.dmp

memory/3520-19-0x0000000000910000-0x0000000000927000-memory.dmp

memory/3520-21-0x00000000004F0000-0x0000000000500000-memory.dmp

memory/3520-20-0x00000000008F0000-0x0000000000907000-memory.dmp

memory/3636-26-0x0000000000E30000-0x0000000000E47000-memory.dmp

memory/3636-22-0x0000000000E30000-0x0000000000E47000-memory.dmp

memory/3520-27-0x00000000008F0000-0x0000000000907000-memory.dmp

memory/3316-28-0x0000000000400000-0x0000000000437000-memory.dmp

memory/3316-29-0x00000000006F0000-0x0000000000707000-memory.dmp