Malware Analysis Report

2024-09-22 23:11

Sample ID 240601-lspy8shb4s
Target 8a16d262602f24a3f3237cf2b314967c_JaffaCakes118
SHA256 eb1e88cfa9d3456999060abd5ca5beba49f6770991d8eb4c320cad188e1cf208
Tags
epoch2 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

eb1e88cfa9d3456999060abd5ca5beba49f6770991d8eb4c320cad188e1cf208

Threat Level: Known bad

The file 8a16d262602f24a3f3237cf2b314967c_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

epoch2 emotet banker trojan

Emotet family

Emotet

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

Suspicious behavior: RenamesItself

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-01 09:47

Signatures

Emotet family

emotet

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-01 09:47

Reported

2024-06-01 09:50

Platform

win7-20240215-en

Max time kernel

146s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8a16d262602f24a3f3237cf2b314967c_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\counterrunning.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\counterrunning.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\counterrunning.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\counterrunning.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\aa-03-68-cd-71-0b\WpadDecisionReason = "1" C:\Windows\SysWOW64\counterrunning.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\aa-03-68-cd-71-0b\WpadDecisionTime = 606b00dc08b4da01 C:\Windows\SysWOW64\counterrunning.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\counterrunning.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{435F4A4E-790A-4A11-B4B3-807F1F0DF037}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\counterrunning.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\aa-03-68-cd-71-0b C:\Windows\SysWOW64\counterrunning.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\counterrunning.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\counterrunning.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\counterrunning.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{435F4A4E-790A-4A11-B4B3-807F1F0DF037}\WpadDecision = "0" C:\Windows\SysWOW64\counterrunning.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{435F4A4E-790A-4A11-B4B3-807F1F0DF037}\aa-03-68-cd-71-0b C:\Windows\SysWOW64\counterrunning.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\aa-03-68-cd-71-0b\WpadDecision = "0" C:\Windows\SysWOW64\counterrunning.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{435F4A4E-790A-4A11-B4B3-807F1F0DF037}\WpadDecisionTime = 606b00dc08b4da01 C:\Windows\SysWOW64\counterrunning.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\counterrunning.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\counterrunning.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\counterrunning.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f006c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\counterrunning.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{435F4A4E-790A-4A11-B4B3-807F1F0DF037} C:\Windows\SysWOW64\counterrunning.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{435F4A4E-790A-4A11-B4B3-807F1F0DF037}\WpadDecisionReason = "1" C:\Windows\SysWOW64\counterrunning.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8a16d262602f24a3f3237cf2b314967c_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8a16d262602f24a3f3237cf2b314967c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8a16d262602f24a3f3237cf2b314967c_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\8a16d262602f24a3f3237cf2b314967c_JaffaCakes118.exe

--e3ef8949

C:\Windows\SysWOW64\counterrunning.exe

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

C:\Windows\SysWOW64\counterrunning.exe

--746de2b5

Network

Country Destination Domain Proto
PL 88.156.97.210:80 tcp
PL 88.156.97.210:80 tcp
US 199.19.237.192:80 tcp
US 199.19.237.192:80 tcp
AR 190.108.228.48:990 tcp
AR 190.108.228.48:990 tcp

Files

memory/1256-0-0x0000000001070000-0x0000000001089000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-01 09:47

Reported

2024-06-01 09:50

Platform

win10v2004-20240226-en

Max time kernel

146s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8a16d262602f24a3f3237cf2b314967c_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\layerxinput.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\layerxinput.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\layerxinput.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\layerxinput.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\layerxinput.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\layerxinput.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\layerxinput.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8a16d262602f24a3f3237cf2b314967c_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8a16d262602f24a3f3237cf2b314967c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8a16d262602f24a3f3237cf2b314967c_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\8a16d262602f24a3f3237cf2b314967c_JaffaCakes118.exe

--e3ef8949

C:\Windows\SysWOW64\layerxinput.exe

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

C:\Windows\SysWOW64\layerxinput.exe

--10896ef9

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 --mojo-platform-channel-handle=1036 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
PL 88.156.97.210:80 tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 199.19.237.192:80 tcp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
FR 212.129.24.82:8080 tcp
US 162.144.47.94:7080 tcp
GB 77.237.248.136:8080 tcp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 142.250.200.42:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 42.200.250.142.in-addr.arpa udp
US 8.8.8.8:53 84.65.42.20.in-addr.arpa udp
NL 185.142.236.163:443 tcp

Files

memory/4580-0-0x00000000001F0000-0x0000000000209000-memory.dmp