Malware Analysis Report

2024-09-22 22:08

Sample ID 240616-y8hlbawflf
Target b50be0db6ed78d6b0f7ff6aef510f3a9_JaffaCakes118
SHA256 063f436837f673c3e9655628cf63ad0aa6b1078335f219f5d168a3591223810a
Tags
emotet epoch1 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

063f436837f673c3e9655628cf63ad0aa6b1078335f219f5d168a3591223810a

Threat Level: Known bad

The file b50be0db6ed78d6b0f7ff6aef510f3a9_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch1 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 Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-16 20:27

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 20:27

Reported

2024-06-16 20:29

Platform

win7-20240508-en

Max time kernel

147s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b50be0db6ed78d6b0f7ff6aef510f3a9_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\stardate.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\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\stardate.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\stardate.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-09-25-b5-a8-64\WpadDecisionReason = "1" C:\Windows\SysWOW64\stardate.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-09-25-b5-a8-64\WpadDecisionTime = 1042faa42bc0da01 C:\Windows\SysWOW64\stardate.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{314F7DA4-6DEE-4372-BAA7-FFB5B3F99CA9}\12-09-25-b5-a8-64 C:\Windows\SysWOW64\stardate.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\stardate.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\stardate.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{314F7DA4-6DEE-4372-BAA7-FFB5B3F99CA9} C:\Windows\SysWOW64\stardate.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{314F7DA4-6DEE-4372-BAA7-FFB5B3F99CA9}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\stardate.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{314F7DA4-6DEE-4372-BAA7-FFB5B3F99CA9}\WpadDecisionReason = "1" C:\Windows\SysWOW64\stardate.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{314F7DA4-6DEE-4372-BAA7-FFB5B3F99CA9}\WpadDecisionTime = 1042faa42bc0da01 C:\Windows\SysWOW64\stardate.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-09-25-b5-a8-64 C:\Windows\SysWOW64\stardate.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-09-25-b5-a8-64\WpadDecision = "0" C:\Windows\SysWOW64\stardate.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\stardate.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\stardate.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\stardate.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\stardate.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\stardate.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\stardate.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\stardate.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{314F7DA4-6DEE-4372-BAA7-FFB5B3F99CA9}\WpadDecision = "0" C:\Windows\SysWOW64\stardate.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b50be0db6ed78d6b0f7ff6aef510f3a9_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b50be0db6ed78d6b0f7ff6aef510f3a9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b50be0db6ed78d6b0f7ff6aef510f3a9_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\b50be0db6ed78d6b0f7ff6aef510f3a9_JaffaCakes118.exe

--a7c3d9a0

C:\Windows\SysWOW64\stardate.exe

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

C:\Windows\SysWOW64\stardate.exe

--ab746c12

Network

Country Destination Domain Proto
GR 94.67.21.187:8080 tcp
GR 94.67.21.187:8080 tcp
AR 181.231.62.54:80 tcp
AR 181.231.62.54:80 tcp
US 170.130.31.177:8080 tcp
US 170.130.31.177:8080 tcp

Files

memory/1640-0-0x0000000000360000-0x0000000000377000-memory.dmp

memory/1640-5-0x0000000000340000-0x0000000000351000-memory.dmp

memory/1640-6-0x0000000000400000-0x000000000043B000-memory.dmp

memory/2064-7-0x0000000000380000-0x0000000000397000-memory.dmp

memory/2660-12-0x0000000000630000-0x0000000000647000-memory.dmp

memory/2660-17-0x0000000000400000-0x000000000043B000-memory.dmp

memory/2064-18-0x0000000000400000-0x000000000043B000-memory.dmp

memory/2736-24-0x0000000000400000-0x000000000043B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 20:27

Reported

2024-06-16 20:29

Platform

win10v2004-20240611-en

Max time kernel

146s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b50be0db6ed78d6b0f7ff6aef510f3a9_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\INetCookies C:\Windows\SysWOW64\changescounter.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\changescounter.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 C:\Windows\SysWOW64\changescounter.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\changescounter.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\changescounter.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\changescounter.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\changescounter.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b50be0db6ed78d6b0f7ff6aef510f3a9_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b50be0db6ed78d6b0f7ff6aef510f3a9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b50be0db6ed78d6b0f7ff6aef510f3a9_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\b50be0db6ed78d6b0f7ff6aef510f3a9_JaffaCakes118.exe

--a7c3d9a0

C:\Windows\SysWOW64\changescounter.exe

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

C:\Windows\SysWOW64\changescounter.exe

--67d2bfab

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
GR 94.67.21.187:8080 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
AR 181.231.62.54:80 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 170.130.31.177:8080 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
FR 51.255.165.160:8080 tcp
US 45.56.79.249:443 45.56.79.249 tcp
US 8.8.8.8:53 249.79.56.45.in-addr.arpa udp
CL 200.113.106.18:80 tcp

Files

memory/3712-0-0x0000000002D50000-0x0000000002D67000-memory.dmp

memory/3712-5-0x0000000000F30000-0x0000000000F41000-memory.dmp

memory/3712-6-0x0000000000400000-0x000000000043B000-memory.dmp

memory/2976-7-0x0000000000BD0000-0x0000000000BE7000-memory.dmp

memory/3656-18-0x0000000000400000-0x000000000043B000-memory.dmp

memory/2976-19-0x0000000000400000-0x000000000043B000-memory.dmp

memory/3656-13-0x00000000016C0000-0x00000000016D7000-memory.dmp

C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\503dd1842ca2542783c874edc85e93f5_50b25195-d6c8-43bb-b2ca-a8bd616967ef

MD5 c59d3dd5371f26cc653932d5e9dbbdfc
SHA1 2af1e109df080e1f1965702c5bc04be89fc5a108
SHA256 020de7906bd5c29a9a4345890667b582ae71ac0a0d36510c80a1931f7ceec11f
SHA512 b3781e13a5292a03d1cd4151554c2200cfb90f46696e498bb11ec3842fa9ef8d9d348e780fb66152b69e8c149fa803ce440a229be0c57313d623d04529041f17

memory/4696-21-0x00000000007E0000-0x00000000007F7000-memory.dmp

memory/4696-26-0x0000000000400000-0x000000000043B000-memory.dmp