Malware Analysis Report

2024-09-22 22:06

Sample ID 240614-vvv3pstckr
Target aadfe984b6a639e6863e62d3c88cd00c_JaffaCakes118
SHA256 6979a2e9be363e8792613c5112a43de21d78849d6e86b642d3ddd0723bde227a
Tags
emotet 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

6979a2e9be363e8792613c5112a43de21d78849d6e86b642d3ddd0723bde227a

Threat Level: Known bad

The file aadfe984b6a639e6863e62d3c88cd00c_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

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

2024-06-14 17:19

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 17:19

Reported

2024-06-14 17:21

Platform

win7-20240508-en

Max time kernel

134s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aadfe984b6a639e6863e62d3c88cd00c_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\vieweridebug.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\vieweridebug.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\vieweridebug.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\vieweridebug.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{63EFE3F9-1A0E-415E-A843-1AE5D215C574} C:\Windows\SysWOW64\vieweridebug.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\vieweridebug.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{63EFE3F9-1A0E-415E-A843-1AE5D215C574}\WpadDecisionReason = "1" C:\Windows\SysWOW64\vieweridebug.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\be-1c-0c-b7-89-d4\WpadDecisionReason = "1" C:\Windows\SysWOW64\vieweridebug.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\be-1c-0c-b7-89-d4\WpadDecisionTime = 306a29047fbeda01 C:\Windows\SysWOW64\vieweridebug.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\vieweridebug.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\vieweridebug.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{63EFE3F9-1A0E-415E-A843-1AE5D215C574}\WpadDecisionTime = 306a29047fbeda01 C:\Windows\SysWOW64\vieweridebug.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{63EFE3F9-1A0E-415E-A843-1AE5D215C574}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\vieweridebug.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{63EFE3F9-1A0E-415E-A843-1AE5D215C574}\be-1c-0c-b7-89-d4 C:\Windows\SysWOW64\vieweridebug.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\vieweridebug.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\vieweridebug.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\vieweridebug.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\vieweridebug.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0027000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\vieweridebug.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{63EFE3F9-1A0E-415E-A843-1AE5D215C574}\WpadDecision = "0" C:\Windows\SysWOW64\vieweridebug.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\be-1c-0c-b7-89-d4 C:\Windows\SysWOW64\vieweridebug.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\be-1c-0c-b7-89-d4\WpadDecision = "0" C:\Windows\SysWOW64\vieweridebug.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\aadfe984b6a639e6863e62d3c88cd00c_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\aadfe984b6a639e6863e62d3c88cd00c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\aadfe984b6a639e6863e62d3c88cd00c_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\aadfe984b6a639e6863e62d3c88cd00c_JaffaCakes118.exe

--add77198

C:\Windows\SysWOW64\vieweridebug.exe

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

C:\Windows\SysWOW64\vieweridebug.exe

--f4a4084e

Network

Country Destination Domain Proto
US 68.229.130.39:80 tcp
US 68.229.130.39:80 tcp
US 70.116.68.186:80 tcp
US 70.116.68.186:80 tcp
CW 190.112.228.47:443 tcp
CW 190.112.228.47:443 tcp

Files

memory/1664-0-0x0000000000FA0000-0x0000000000FB4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 17:19

Reported

2024-06-14 17:21

Platform

win10v2004-20240508-en

Max time kernel

143s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\aadfe984b6a639e6863e62d3c88cd00c_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\viewerguiddef.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\viewerguiddef.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\viewerguiddef.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\viewerguiddef.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\viewerguiddef.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\viewerguiddef.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\viewerguiddef.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\aadfe984b6a639e6863e62d3c88cd00c_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\aadfe984b6a639e6863e62d3c88cd00c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\aadfe984b6a639e6863e62d3c88cd00c_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\aadfe984b6a639e6863e62d3c88cd00c_JaffaCakes118.exe

--add77198

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3640,i,14648456027158448592,4956305794400220180,262144 --variations-seed-version --mojo-platform-channel-handle=4380 /prefetch:8

C:\Windows\SysWOW64\viewerguiddef.exe

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

C:\Windows\SysWOW64\viewerguiddef.exe

--370ae680

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 68.229.130.39:80 tcp
US 70.116.68.186:80 tcp
CW 190.112.228.47:443 tcp
GB 149.255.56.242:8080 tcp
US 144.202.9.18:8080 tcp

Files

memory/1496-0-0x0000000000830000-0x0000000000844000-memory.dmp