Malware Analysis Report

2024-10-16 05:21

Sample ID 240727-nfwblaxaqr
Target 7805e6298903cbd07833d6d7b4147458_JaffaCakes118
SHA256 a882cd36825d6e74446f7e4654b5658c0e350c6a473db3542c537959cc661499
Tags
cryptone packer emotet banker discovery 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

a882cd36825d6e74446f7e4654b5658c0e350c6a473db3542c537959cc661499

Threat Level: Known bad

The file 7805e6298903cbd07833d6d7b4147458_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

cryptone packer emotet banker discovery trojan

Emotet

CryptOne packer

Drops file in System32 directory

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Suspicious use of UnmapMainImage

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-27 11:20

Signatures

CryptOne packer

cryptone packer
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-27 11:20

Reported

2024-07-30 09:10

Platform

win7-20240705-en

Max time kernel

143s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7805e6298903cbd07833d6d7b4147458_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\randompinned.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7805e6298903cbd07833d6d7b4147458_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7805e6298903cbd07833d6d7b4147458_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\randompinned.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\randompinned.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\randompinned.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\randompinned.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3CC5E481-0723-4ED9-9933-3A4F2891A8D9} C:\Windows\SysWOW64\randompinned.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3CC5E481-0723-4ED9-9933-3A4F2891A8D9}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\randompinned.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-ca-e2-18-15-e2 C:\Windows\SysWOW64\randompinned.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-ca-e2-18-15-e2\WpadDecisionTime = d0842b0160e2da01 C:\Windows\SysWOW64\randompinned.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\randompinned.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\randompinned.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\randompinned.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3CC5E481-0723-4ED9-9933-3A4F2891A8D9}\WpadDecisionReason = "1" C:\Windows\SysWOW64\randompinned.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\randompinned.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\randompinned.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\randompinned.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3CC5E481-0723-4ED9-9933-3A4F2891A8D9}\WpadDecision = "0" C:\Windows\SysWOW64\randompinned.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3CC5E481-0723-4ED9-9933-3A4F2891A8D9}\96-ca-e2-18-15-e2 C:\Windows\SysWOW64\randompinned.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-ca-e2-18-15-e2\WpadDecision = "0" C:\Windows\SysWOW64\randompinned.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\randompinned.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\randompinned.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0073000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\randompinned.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3CC5E481-0723-4ED9-9933-3A4F2891A8D9}\WpadDecisionTime = d0842b0160e2da01 C:\Windows\SysWOW64\randompinned.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-ca-e2-18-15-e2\WpadDecisionReason = "1" C:\Windows\SysWOW64\randompinned.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7805e6298903cbd07833d6d7b4147458_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7805e6298903cbd07833d6d7b4147458_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7805e6298903cbd07833d6d7b4147458_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\7805e6298903cbd07833d6d7b4147458_JaffaCakes118.exe

--aeaf4a34

C:\Windows\SysWOW64\randompinned.exe

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

C:\Windows\SysWOW64\randompinned.exe

--224ae5ed

Network

Country Destination Domain Proto
AE 86.98.94.57:443 tcp
AE 86.98.94.57:443 tcp
TR 78.169.89.21:80 tcp
TR 78.169.89.21:80 tcp
IN 59.96.96.73:80 tcp
IN 59.96.96.73:80 tcp

Files

memory/3032-0-0x0000000000220000-0x0000000000231000-memory.dmp

memory/3032-2-0x0000000000220000-0x0000000000231000-memory.dmp

memory/3032-3-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1968-4-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2464-5-0x0000000000400000-0x000000000041C000-memory.dmp

memory/1968-8-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2832-9-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2832-10-0x0000000000400000-0x000000000041C000-memory.dmp

memory/2832-11-0x0000000000400000-0x0000000000414000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-27 11:20

Reported

2024-07-30 09:09

Platform

win10v2004-20240709-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7805e6298903cbd07833d6d7b4147458_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\viewermatrix.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\viewermatrix.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\viewermatrix.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\viewermatrix.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7805e6298903cbd07833d6d7b4147458_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7805e6298903cbd07833d6d7b4147458_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\viewermatrix.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\viewermatrix.exe N/A

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7805e6298903cbd07833d6d7b4147458_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7805e6298903cbd07833d6d7b4147458_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7805e6298903cbd07833d6d7b4147458_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\7805e6298903cbd07833d6d7b4147458_JaffaCakes118.exe

--aeaf4a34

C:\Windows\SysWOW64\viewermatrix.exe

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

C:\Windows\SysWOW64\viewermatrix.exe

--aa07e9a5

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
AE 86.98.94.57:443 tcp
TR 78.169.89.21:80 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
IN 59.96.96.73:80 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
DE 94.130.35.140:443 tcp
US 69.45.19.145:8080 tcp

Files

memory/4772-0-0x00000000007D0000-0x00000000007E1000-memory.dmp

memory/4772-1-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4772-3-0x00000000007D0000-0x00000000007E1000-memory.dmp

memory/1484-4-0x0000000000400000-0x000000000041C000-memory.dmp

memory/1484-5-0x0000000000400000-0x000000000041C000-memory.dmp

memory/2932-7-0x0000000000400000-0x000000000041C000-memory.dmp

memory/2932-9-0x0000000000400000-0x000000000041C000-memory.dmp

memory/1484-11-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4060-13-0x0000000000400000-0x000000000041C000-memory.dmp

memory/4060-14-0x0000000000400000-0x000000000041C000-memory.dmp

memory/4060-17-0x0000000000400000-0x000000000041C000-memory.dmp