Malware Analysis Report

2024-09-22 23:36

Sample ID 240617-hhtynasgnp
Target b73ff4bd2c42f3ae83e9a54dc961e775_JaffaCakes118
SHA256 c783c92b42ced4137905d7c65180c9de8732fc48a2923036aad4f704f9630d26
Tags
emotet epoch2 banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

c783c92b42ced4137905d7c65180c9de8732fc48a2923036aad4f704f9630d26

Threat Level: Known bad

The file b73ff4bd2c42f3ae83e9a54dc961e775_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch2 banker trojan

Emotet

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-17 06:44

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-17 06:44

Reported

2024-06-17 06:47

Platform

win7-20231129-en

Max time kernel

132s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b73ff4bd2c42f3ae83e9a54dc961e775_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\memopdf.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\memopdf.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\memopdf.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\memopdf.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EBEE84DB-45DF-4703-AD8D-AB510DA632D1}\WpadDecisionReason = "1" C:\Windows\SysWOW64\memopdf.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-d9-22-a3-59-52\WpadDecisionTime = 70080fe681c0da01 C:\Windows\SysWOW64\memopdf.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EBEE84DB-45DF-4703-AD8D-AB510DA632D1}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\memopdf.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-d9-22-a3-59-52 C:\Windows\SysWOW64\memopdf.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\memopdf.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\memopdf.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\memopdf.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\memopdf.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\memopdf.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f004c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\memopdf.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EBEE84DB-45DF-4703-AD8D-AB510DA632D1}\WpadDecision = "0" C:\Windows\SysWOW64\memopdf.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EBEE84DB-45DF-4703-AD8D-AB510DA632D1}\96-d9-22-a3-59-52 C:\Windows\SysWOW64\memopdf.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-d9-22-a3-59-52\WpadDecisionReason = "1" C:\Windows\SysWOW64\memopdf.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\memopdf.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\memopdf.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EBEE84DB-45DF-4703-AD8D-AB510DA632D1} C:\Windows\SysWOW64\memopdf.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EBEE84DB-45DF-4703-AD8D-AB510DA632D1}\WpadDecisionTime = 70080fe681c0da01 C:\Windows\SysWOW64\memopdf.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-d9-22-a3-59-52\WpadDecision = "0" C:\Windows\SysWOW64\memopdf.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\memopdf.exe N/A
N/A N/A C:\Windows\SysWOW64\memopdf.exe N/A
N/A N/A C:\Windows\SysWOW64\memopdf.exe N/A
N/A N/A C:\Windows\SysWOW64\memopdf.exe N/A
N/A N/A C:\Windows\SysWOW64\memopdf.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b73ff4bd2c42f3ae83e9a54dc961e775_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b73ff4bd2c42f3ae83e9a54dc961e775_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b73ff4bd2c42f3ae83e9a54dc961e775_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\b73ff4bd2c42f3ae83e9a54dc961e775_JaffaCakes118.exe

--50a68a18

C:\Windows\SysWOW64\memopdf.exe

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

C:\Windows\SysWOW64\memopdf.exe

--c4f7192e

Network

Country Destination Domain Proto
FR 149.202.197.94:8080 tcp
FR 149.202.197.94:8080 tcp
JP 139.162.75.91:8080 tcp
JP 139.162.75.91:8080 tcp
FR 37.187.2.199:443 37.187.2.199 tcp
DE 165.227.156.155:443 165.227.156.155 tcp
ES 90.77.228.193:8090 tcp

Files

memory/944-0-0x00000000003E0000-0x00000000003F5000-memory.dmp

memory/944-5-0x0000000000250000-0x0000000000260000-memory.dmp

memory/2088-6-0x0000000000230000-0x0000000000245000-memory.dmp

memory/2068-11-0x00000000002A0000-0x00000000002B5000-memory.dmp

memory/2088-16-0x0000000000400000-0x000000000044D000-memory.dmp

memory/2632-17-0x0000000000310000-0x0000000000325000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-17 06:44

Reported

2024-06-17 06:47

Platform

win10v2004-20240611-en

Max time kernel

138s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b73ff4bd2c42f3ae83e9a54dc961e775_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\INetCache\Content.IE5 C:\Windows\SysWOW64\wrapwsa.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\wrapwsa.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\wrapwsa.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\wrapwsa.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\wrapwsa.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\wrapwsa.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\wrapwsa.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b73ff4bd2c42f3ae83e9a54dc961e775_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b73ff4bd2c42f3ae83e9a54dc961e775_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b73ff4bd2c42f3ae83e9a54dc961e775_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\b73ff4bd2c42f3ae83e9a54dc961e775_JaffaCakes118.exe

--50a68a18

C:\Windows\SysWOW64\wrapwsa.exe

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

C:\Windows\SysWOW64\wrapwsa.exe

--5a5c2451

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
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
FR 149.202.197.94:8080 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
JP 139.162.75.91:8080 tcp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
FR 37.187.2.199:443 37.187.2.199 tcp
US 8.8.8.8:53 199.2.187.37.in-addr.arpa udp
DE 165.227.156.155:443 165.227.156.155 tcp
US 8.8.8.8:53 155.156.227.165.in-addr.arpa udp
ES 90.77.228.193:8090 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 67.225.179.64:8080 tcp
DE 87.106.139.101:8080 tcp

Files

memory/4252-5-0x00000000021E0000-0x00000000021F0000-memory.dmp

memory/4252-0-0x00000000021F0000-0x0000000002205000-memory.dmp

memory/4104-6-0x00000000020A0000-0x00000000020B5000-memory.dmp

memory/3728-12-0x0000000000EC0000-0x0000000000ED5000-memory.dmp

memory/4104-17-0x0000000000400000-0x000000000044D000-memory.dmp

C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\810077f5bbf3ff29a811eaffcf25df49_6b8fed25-7af2-4faa-8715-fe0b598ba931

MD5 96cbe736282c499a24b063fb66e1da22
SHA1 baa5bcc62c469b7f6d0b459f17cb6fcb8b35a300
SHA256 044e03d289dab3cac16b897753db443f1e6c00fc2de84c1a9239590f1becba92
SHA512 b3f602e0d9f9b1f8daed78c92776251f86cc45b07f162d77314777c32228d921d5a4219f05eb312f840963df0040441106d387351525465347f7f4088e4fbb92

memory/1560-20-0x00000000006F0000-0x0000000000705000-memory.dmp