Malware Analysis Report

2025-01-03 05:47

Sample ID 240506-f3bxgaaf8y
Target 1af6a9bdae55b124185ed13c663f534e_JaffaCakes118
SHA256 a3470d1a825772e69a9d0f3a313190a1a0eb39b31b93dba84bfeb493023925e1
Tags
emotet epoch1 banker 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

a3470d1a825772e69a9d0f3a313190a1a0eb39b31b93dba84bfeb493023925e1

Threat Level: Known bad

The file 1af6a9bdae55b124185ed13c663f534e_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: RenamesItself

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-06 05:23

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-06 05:23

Reported

2024-05-06 05:25

Platform

win7-20240221-en

Max time kernel

140s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1af6a9bdae55b124185ed13c663f534e_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\bangflg.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\Wpad\{2496C5CB-E9D9-463B-8009-CA6E9281A60F} C:\Windows\SysWOW64\bangflg.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-b1-a0-df-04-6e C:\Windows\SysWOW64\bangflg.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2496C5CB-E9D9-463B-8009-CA6E9281A60F}\12-b1-a0-df-04-6e C:\Windows\SysWOW64\bangflg.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-b1-a0-df-04-6e\WpadDecisionReason = "1" C:\Windows\SysWOW64\bangflg.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\bangflg.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\bangflg.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\bangflg.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\bangflg.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-b1-a0-df-04-6e\WpadDecisionTime = b0394094759fda01 C:\Windows\SysWOW64\bangflg.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2496C5CB-E9D9-463B-8009-CA6E9281A60F}\WpadDecisionReason = "1" C:\Windows\SysWOW64\bangflg.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2496C5CB-E9D9-463B-8009-CA6E9281A60F}\WpadDecision = "0" C:\Windows\SysWOW64\bangflg.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\bangflg.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\bangflg.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\bangflg.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f010e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\bangflg.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\bangflg.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\bangflg.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-b1-a0-df-04-6e\WpadDecision = "0" C:\Windows\SysWOW64\bangflg.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\bangflg.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2496C5CB-E9D9-463B-8009-CA6E9281A60F}\WpadDecisionTime = b0394094759fda01 C:\Windows\SysWOW64\bangflg.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2496C5CB-E9D9-463B-8009-CA6E9281A60F}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\bangflg.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1af6a9bdae55b124185ed13c663f534e_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1af6a9bdae55b124185ed13c663f534e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1af6a9bdae55b124185ed13c663f534e_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\1af6a9bdae55b124185ed13c663f534e_JaffaCakes118.exe

--a82dff91

C:\Windows\SysWOW64\bangflg.exe

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

C:\Windows\SysWOW64\bangflg.exe

--e939839f

Network

Country Destination Domain Proto
MX 201.106.32.171:80 tcp
MX 201.106.32.171:80 tcp
AR 181.29.164.248:80 tcp
AR 181.29.164.248:80 tcp
LU 46.29.183.211:8080 tcp
LU 46.29.183.211:8080 tcp

Files

memory/360-0-0x00000000003C0000-0x00000000003D6000-memory.dmp

memory/360-5-0x0000000000270000-0x0000000000280000-memory.dmp

memory/1700-6-0x00000000004C0000-0x00000000004D6000-memory.dmp

memory/3060-11-0x00000000010D0000-0x00000000010E6000-memory.dmp

memory/1700-16-0x0000000000400000-0x000000000047E000-memory.dmp

memory/2632-17-0x00000000003D0000-0x00000000003E6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-06 05:23

Reported

2024-05-06 05:26

Platform

win10v2004-20240226-en

Max time kernel

140s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1af6a9bdae55b124185ed13c663f534e_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\invokelangs.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\invokelangs.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\invokelangs.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\invokelangs.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\invokelangs.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\invokelangs.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\invokelangs.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1af6a9bdae55b124185ed13c663f534e_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1af6a9bdae55b124185ed13c663f534e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1af6a9bdae55b124185ed13c663f534e_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\1af6a9bdae55b124185ed13c663f534e_JaffaCakes118.exe

--a82dff91

C:\Windows\SysWOW64\invokelangs.exe

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

C:\Windows\SysWOW64\invokelangs.exe

--1f4934c3

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=3700 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 142.250.178.10:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 pki.goog udp
US 8.8.8.8:53 pki.goog udp
US 216.239.32.29:80 pki.goog tcp
US 8.8.8.8:53 10.178.250.142.in-addr.arpa udp
US 8.8.8.8:53 29.32.239.216.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 13.107.246.64:443 tcp
MX 201.106.32.171:80 tcp
AR 181.29.164.248:80 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
LU 46.29.183.211:8080 tcp
US 23.229.115.217:8080 tcp
DE 81.169.140.14:443 tcp
US 8.8.8.8:53 122.10.44.20.in-addr.arpa udp

Files

memory/4268-0-0x0000000002390000-0x00000000023A6000-memory.dmp

memory/4268-3-0x00000000005F0000-0x0000000000600000-memory.dmp

memory/3540-6-0x0000000002250000-0x0000000002266000-memory.dmp

memory/660-12-0x0000000001580000-0x0000000001596000-memory.dmp

memory/3540-17-0x0000000000400000-0x000000000047E000-memory.dmp

memory/5000-19-0x0000000001140000-0x0000000001156000-memory.dmp

C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\62d89b1cc749ada74ac974797cd2bf89_2397ee06-28fe-4eaa-8777-f7014368c353

MD5 461f3321980d3c590039fbc2d18074c9
SHA1 3f0db67a2c9131778735b2f56ad6b7b18041e9fc
SHA256 af63fb45d1526520c70f72c304b3bfeaaaae9597a296289e88dda75638831978
SHA512 c153f222f76e5003136ff3835e1be18746ce10de1adc4c406880cab80f03b13d15a24b61e9409f2ce73814100e9043c1643d0fc655bb6a37312c583ca21ec277