Malware Analysis Report

2025-06-16 03:23

Sample ID 240508-rwwh3sbd95
Target 254a71ecd4cfdda3cc5119029f277743_JaffaCakes118
SHA256 556be9d0efd9bdccd689c7ec6732b1562bc121cb70902456909e94aae4a68488
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

556be9d0efd9bdccd689c7ec6732b1562bc121cb70902456909e94aae4a68488

Threat Level: Known bad

The file 254a71ecd4cfdda3cc5119029f277743_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet banker trojan

Emotet

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-08 14:33

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-08 14:33

Reported

2024-05-08 14:35

Platform

win7-20240220-en

Max time kernel

132s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\254a71ecd4cfdda3cc5119029f277743_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\wgxiprop.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\wgxiprop.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\wgxiprop.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{06F1BCE8-3665-491B-8ACF-CEE610212CB2}\WpadDecision = "0" C:\Windows\SysWOW64\wgxiprop.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{06F1BCE8-3665-491B-8ACF-CEE610212CB2}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\wgxiprop.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-f4-8d-33-a9-5b\WpadDecisionReason = "1" C:\Windows\SysWOW64\wgxiprop.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-f4-8d-33-a9-5b\WpadDecision = "0" C:\Windows\SysWOW64\wgxiprop.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\wgxiprop.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\wgxiprop.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{06F1BCE8-3665-491B-8ACF-CEE610212CB2}\fa-f4-8d-33-a9-5b C:\Windows\SysWOW64\wgxiprop.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f012f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\wgxiprop.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{06F1BCE8-3665-491B-8ACF-CEE610212CB2} C:\Windows\SysWOW64\wgxiprop.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{06F1BCE8-3665-491B-8ACF-CEE610212CB2}\WpadDecisionReason = "1" C:\Windows\SysWOW64\wgxiprop.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{06F1BCE8-3665-491B-8ACF-CEE610212CB2}\WpadDecisionTime = 8033a0b654a1da01 C:\Windows\SysWOW64\wgxiprop.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-f4-8d-33-a9-5b C:\Windows\SysWOW64\wgxiprop.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fa-f4-8d-33-a9-5b\WpadDecisionTime = 8033a0b654a1da01 C:\Windows\SysWOW64\wgxiprop.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\wgxiprop.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\wgxiprop.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\wgxiprop.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\254a71ecd4cfdda3cc5119029f277743_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\254a71ecd4cfdda3cc5119029f277743_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\254a71ecd4cfdda3cc5119029f277743_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\254a71ecd4cfdda3cc5119029f277743_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\254a71ecd4cfdda3cc5119029f277743_JaffaCakes118.exe"

C:\Windows\SysWOW64\wgxiprop.exe

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

C:\Windows\SysWOW64\wgxiprop.exe

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

Network

Country Destination Domain Proto
JP 133.242.164.31:7080 tcp
JP 133.242.164.31:7080 tcp
KR 115.71.233.127:443 tcp
KR 115.71.233.127:443 tcp
JP 153.121.36.202:7080 tcp
JP 153.121.36.202:7080 tcp

Files

memory/2292-0-0x0000000000260000-0x000000000027A000-memory.dmp

memory/2292-6-0x0000000000280000-0x0000000000290000-memory.dmp

memory/2292-5-0x0000000000220000-0x000000000023A000-memory.dmp

memory/2292-4-0x0000000000260000-0x000000000027A000-memory.dmp

memory/2292-13-0x0000000000220000-0x000000000023A000-memory.dmp

memory/1144-12-0x0000000000220000-0x000000000023A000-memory.dmp

memory/2156-18-0x0000000000340000-0x000000000035A000-memory.dmp

memory/2156-19-0x0000000000220000-0x000000000023A000-memory.dmp

memory/2156-20-0x0000000000320000-0x0000000000330000-memory.dmp

memory/2156-14-0x0000000000340000-0x000000000035A000-memory.dmp

memory/2224-25-0x00000000003B0000-0x00000000003CA000-memory.dmp

memory/2224-21-0x00000000003B0000-0x00000000003CA000-memory.dmp

memory/1144-26-0x0000000000400000-0x000000000045E000-memory.dmp

memory/2224-28-0x0000000000320000-0x0000000000330000-memory.dmp

memory/2224-27-0x0000000000220000-0x000000000023A000-memory.dmp

memory/1144-29-0x0000000000220000-0x000000000023A000-memory.dmp

memory/2224-30-0x0000000000220000-0x000000000023A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-08 14:33

Reported

2024-05-08 14:35

Platform

win10v2004-20240508-en

Max time kernel

146s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\254a71ecd4cfdda3cc5119029f277743_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\254a71ecd4cfdda3cc5119029f277743_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\254a71ecd4cfdda3cc5119029f277743_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\254a71ecd4cfdda3cc5119029f277743_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\254a71ecd4cfdda3cc5119029f277743_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\254a71ecd4cfdda3cc5119029f277743_JaffaCakes118.exe"

C:\Windows\SysWOW64\alaskauuidgen.exe

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

C:\Windows\SysWOW64\alaskauuidgen.exe

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

Network

Country Destination Domain Proto
JP 133.242.164.31:7080 tcp
KR 115.71.233.127:443 tcp
JP 153.121.36.202:7080 tcp
US 50.31.0.160:8080 tcp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 45.63.17.206:8080 tcp
US 208.78.100.202:8080 tcp
FR 62.75.191.231:8080 tcp

Files

memory/1700-0-0x00000000005A0000-0x00000000005BA000-memory.dmp

memory/1700-5-0x0000000000A50000-0x0000000000A6A000-memory.dmp

memory/1700-6-0x00000000005C0000-0x00000000005D0000-memory.dmp

memory/1700-1-0x0000000000A50000-0x0000000000A6A000-memory.dmp

memory/1524-7-0x0000000000510000-0x000000000052A000-memory.dmp

memory/1524-8-0x0000000000530000-0x000000000054A000-memory.dmp

memory/1524-12-0x0000000000530000-0x000000000054A000-memory.dmp

memory/1524-13-0x0000000000AB0000-0x0000000000AC0000-memory.dmp

memory/1700-14-0x00000000005A0000-0x00000000005BA000-memory.dmp

memory/1660-19-0x0000000000900000-0x000000000091A000-memory.dmp

memory/1660-15-0x0000000000900000-0x000000000091A000-memory.dmp

memory/1660-21-0x0000000000920000-0x0000000000930000-memory.dmp

memory/1660-20-0x00000000008E0000-0x00000000008FA000-memory.dmp

memory/1904-22-0x0000000000610000-0x000000000062A000-memory.dmp

memory/1904-26-0x0000000000610000-0x000000000062A000-memory.dmp

memory/1904-28-0x0000000000630000-0x0000000000640000-memory.dmp

memory/1904-27-0x0000000000500000-0x000000000051A000-memory.dmp

memory/1660-29-0x00000000008E0000-0x00000000008FA000-memory.dmp

memory/1524-30-0x0000000000400000-0x000000000045E000-memory.dmp

memory/1524-31-0x0000000000510000-0x000000000052A000-memory.dmp

memory/1904-32-0x0000000000500000-0x000000000051A000-memory.dmp