Malware Analysis Report

2024-09-22 22:57

Sample ID 240530-nrpcesgg95
Target 84184cab629d2945d690aa0558bf5fa8_JaffaCakes118
SHA256 ffee1d74c020a8010b38743031646ae6409e219d0e03c5696e40186e8e5e0a24
Tags
emotet epoch3 banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

ffee1d74c020a8010b38743031646ae6409e219d0e03c5696e40186e8e5e0a24

Threat Level: Known bad

The file 84184cab629d2945d690aa0558bf5fa8_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch3 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

2024-05-30 11:38

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-30 11:38

Reported

2024-05-30 11:40

Platform

win10v2004-20240508-en

Max time kernel

139s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\84184cab629d2945d690aa0558bf5fa8_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\malerttrns.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\malerttrns.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\malerttrns.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\malerttrns.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\malerttrns.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\malerttrns.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\malerttrns.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\84184cab629d2945d690aa0558bf5fa8_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\84184cab629d2945d690aa0558bf5fa8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\84184cab629d2945d690aa0558bf5fa8_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\84184cab629d2945d690aa0558bf5fa8_JaffaCakes118.exe

--4172ffcb

C:\Windows\SysWOW64\malerttrns.exe

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

C:\Windows\SysWOW64\malerttrns.exe

--f38885c4

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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
BE 2.17.107.106:443 www.bing.com tcp
US 8.8.8.8:53 106.107.17.2.in-addr.arpa udp
DE 195.201.56.70:80 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
DE 91.205.173.54:8080 tcp
FR 163.172.97.112:8080 tcp
CA 138.197.140.163:8080 tcp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
DE 83.169.33.157:8080 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
PK 119.159.150.176:443 tcp
FI 95.216.207.86:7080 tcp

Files

memory/4392-0-0x00000000005B0000-0x00000000005C4000-memory.dmp

memory/4392-5-0x00000000005A0000-0x00000000005AF000-memory.dmp

memory/940-6-0x00000000006D0000-0x00000000006E4000-memory.dmp

memory/4284-12-0x0000000000D60000-0x0000000000D74000-memory.dmp

memory/3956-18-0x0000000000D70000-0x0000000000D84000-memory.dmp

C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\151006038beb3d5e9a4e1db2e6315db6_310807ab-751f-4d81-ae09-b202eaf21e19

MD5 2219ed8c4461bbee47dc0ac045013700
SHA1 f537ff444a352845422abf004e0087645f903a44
SHA256 a2291a4fcb3343cdfad5d198bdc7dd62af09605c264681fa26ed79cecb53c01e
SHA512 74026b6cb0f530e6acc0681ac68b990ca68f7baca7244b2954799b3556ee98c88f8d63092863cd391d1851b6e10795f54252da34a5d25da3911779891f8cb822

memory/940-23-0x0000000000400000-0x000000000043C000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-30 11:38

Reported

2024-05-30 11:40

Platform

win7-20240221-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\84184cab629d2945d690aa0558bf5fa8_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\specialleel.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\specialleel.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\specialleel.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\specialleel.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-3e-da-f9-b7-d5\WpadDecisionReason = "1" C:\Windows\SysWOW64\specialleel.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\specialleel.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\specialleel.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00eb000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\specialleel.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-3e-da-f9-b7-d5 C:\Windows\SysWOW64\specialleel.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-3e-da-f9-b7-d5\WpadDetectedUrl C:\Windows\SysWOW64\specialleel.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\specialleel.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A4585DC4-65A2-4BC0-AAE6-6E065F403B02}\WpadDecisionTime = 60a098e385b2da01 C:\Windows\SysWOW64\specialleel.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\specialleel.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-3e-da-f9-b7-d5\WpadDecisionTime = 602d710586b2da01 C:\Windows\SysWOW64\specialleel.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\specialleel.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A4585DC4-65A2-4BC0-AAE6-6E065F403B02}\WpadDecision = "0" C:\Windows\SysWOW64\specialleel.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\specialleel.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A4585DC4-65A2-4BC0-AAE6-6E065F403B02}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\specialleel.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-3e-da-f9-b7-d5\WpadDecision = "0" C:\Windows\SysWOW64\specialleel.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000004000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00eb000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\specialleel.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A4585DC4-65A2-4BC0-AAE6-6E065F403B02}\WpadDecisionTime = 602d710586b2da01 C:\Windows\SysWOW64\specialleel.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\specialleel.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A4585DC4-65A2-4BC0-AAE6-6E065F403B02} C:\Windows\SysWOW64\specialleel.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A4585DC4-65A2-4BC0-AAE6-6E065F403B02}\WpadDecisionReason = "1" C:\Windows\SysWOW64\specialleel.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A4585DC4-65A2-4BC0-AAE6-6E065F403B02}\12-3e-da-f9-b7-d5 C:\Windows\SysWOW64\specialleel.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-3e-da-f9-b7-d5\WpadDecisionTime = 60a098e385b2da01 C:\Windows\SysWOW64\specialleel.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\84184cab629d2945d690aa0558bf5fa8_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\84184cab629d2945d690aa0558bf5fa8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\84184cab629d2945d690aa0558bf5fa8_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\84184cab629d2945d690aa0558bf5fa8_JaffaCakes118.exe

--4172ffcb

C:\Windows\SysWOW64\specialleel.exe

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

C:\Windows\SysWOW64\specialleel.exe

--d9a5ab6f

Network

Country Destination Domain Proto
DE 195.201.56.70:80 tcp
DE 195.201.56.70:80 tcp
DE 91.205.173.54:8080 tcp
DE 91.205.173.54:8080 tcp
FR 163.172.97.112:8080 tcp
FR 163.172.97.112:8080 tcp
CA 138.197.140.163:8080 tcp
CA 138.197.140.163:8080 tcp
DE 83.169.33.157:8080 tcp
DE 83.169.33.157:8080 tcp

Files

memory/2100-0-0x0000000000270000-0x0000000000284000-memory.dmp

memory/2100-5-0x00000000001E0000-0x00000000001EF000-memory.dmp

memory/2900-6-0x0000000000250000-0x0000000000264000-memory.dmp

memory/1412-11-0x00000000002D0000-0x00000000002E4000-memory.dmp

memory/2588-16-0x00000000003E0000-0x00000000003F4000-memory.dmp

memory/2900-21-0x0000000000400000-0x000000000043C000-memory.dmp