Malware Analysis Report

2024-09-22 23:10

Sample ID 240531-qfw91aad95
Target 871fdd5b44c829e73505755c7c2e63b4_JaffaCakes118
SHA256 baa70299c28ba012b50d7e4c444c2dca71ebf781e0a845b569c22c834245d172
Tags
emotet epoch2 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

baa70299c28ba012b50d7e4c444c2dca71ebf781e0a845b569c22c834245d172

Threat Level: Known bad

The file 871fdd5b44c829e73505755c7c2e63b4_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch2 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

2024-05-31 13:12

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-31 13:12

Reported

2024-05-31 13:15

Platform

win7-20240221-en

Max time kernel

148s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\871fdd5b44c829e73505755c7c2e63b4_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\mspnetsh.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\Connections C:\Windows\SysWOW64\mspnetsh.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\mspnetsh.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\mspnetsh.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4B1F7EFC-BE73-4314-AFE9-A7FCF1AF7D21}\WpadDecision = "0" C:\Windows\SysWOW64\mspnetsh.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-c1-9b-33-fc-2f\WpadDecision = "0" C:\Windows\SysWOW64\mspnetsh.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-c1-9b-33-fc-2f\WpadDecisionTime = 30578a4d5cb3da01 C:\Windows\SysWOW64\mspnetsh.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\mspnetsh.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\mspnetsh.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\mspnetsh.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f011a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\mspnetsh.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4B1F7EFC-BE73-4314-AFE9-A7FCF1AF7D21}\WpadDecisionReason = "1" C:\Windows\SysWOW64\mspnetsh.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4B1F7EFC-BE73-4314-AFE9-A7FCF1AF7D21}\WpadDecisionTime = 30578a4d5cb3da01 C:\Windows\SysWOW64\mspnetsh.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4B1F7EFC-BE73-4314-AFE9-A7FCF1AF7D21}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\mspnetsh.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\mspnetsh.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\mspnetsh.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\mspnetsh.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4B1F7EFC-BE73-4314-AFE9-A7FCF1AF7D21} C:\Windows\SysWOW64\mspnetsh.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-c1-9b-33-fc-2f C:\Windows\SysWOW64\mspnetsh.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4B1F7EFC-BE73-4314-AFE9-A7FCF1AF7D21}\56-c1-9b-33-fc-2f C:\Windows\SysWOW64\mspnetsh.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\mspnetsh.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-c1-9b-33-fc-2f\WpadDecisionReason = "1" C:\Windows\SysWOW64\mspnetsh.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\871fdd5b44c829e73505755c7c2e63b4_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\871fdd5b44c829e73505755c7c2e63b4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\871fdd5b44c829e73505755c7c2e63b4_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\871fdd5b44c829e73505755c7c2e63b4_JaffaCakes118.exe

--f2a06b7c

C:\Windows\SysWOW64\mspnetsh.exe

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

C:\Windows\SysWOW64\mspnetsh.exe

--4bbeb8da

Network

Country Destination Domain Proto
FR 149.202.197.94:8080 tcp
FR 149.202.197.94:8080 tcp
JP 139.162.75.91:8080 tcp
JP 139.162.75.91:8080 tcp
FR 37.187.2.199:443 37.187.2.199 tcp
DE 165.227.156.155:443 165.227.156.155 tcp
ES 90.77.228.193:8090 tcp

Files

memory/2044-0-0x00000000003D0000-0x00000000003E5000-memory.dmp

memory/2044-6-0x00000000003C0000-0x00000000003D0000-memory.dmp

memory/2044-5-0x0000000000400000-0x0000000000453000-memory.dmp

memory/2032-7-0x0000000000390000-0x00000000003A5000-memory.dmp

memory/2712-12-0x00000000003B0000-0x00000000003C5000-memory.dmp

memory/2712-17-0x0000000000400000-0x0000000000453000-memory.dmp

memory/2032-18-0x0000000000400000-0x0000000000453000-memory.dmp

memory/2532-19-0x00000000003E0000-0x00000000003F5000-memory.dmp

memory/2532-24-0x0000000000400000-0x0000000000453000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-31 13:12

Reported

2024-05-31 13:15

Platform

win10v2004-20240226-en

Max time kernel

153s

Max time network

161s

Command Line

"C:\Users\Admin\AppData\Local\Temp\871fdd5b44c829e73505755c7c2e63b4_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\wizappid.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\wizappid.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\wizappid.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\wizappid.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\wizappid.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\wizappid.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\wizappid.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\871fdd5b44c829e73505755c7c2e63b4_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\871fdd5b44c829e73505755c7c2e63b4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\871fdd5b44c829e73505755c7c2e63b4_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\871fdd5b44c829e73505755c7c2e63b4_JaffaCakes118.exe

--f2a06b7c

C:\Windows\SysWOW64\wizappid.exe

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

C:\Windows\SysWOW64\wizappid.exe

--bd98fe66

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=3740 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
GB 96.16.110.114:80 tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 99.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 56.94.73.104.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
FR 149.202.197.94:8080 tcp
US 8.8.8.8:53 28.118.140.52.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 216.58.212.234:443 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 8.8.8.8:53 234.212.58.216.in-addr.arpa udp
US 8.8.8.8:53 29.32.239.216.in-addr.arpa udp
JP 139.162.75.91:8080 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
FR 37.187.2.199:443 37.187.2.199 tcp
US 8.8.8.8:53 199.2.187.37.in-addr.arpa udp
DE 165.227.156.155:443 165.227.156.155 tcp
US 8.8.8.8:53 155.156.227.165.in-addr.arpa udp
ES 90.77.228.193:8090 tcp
US 67.225.179.64:8080 tcp
US 8.8.8.8:53 73.239.69.13.in-addr.arpa udp
DE 87.106.139.101:8080 tcp

Files

memory/3016-0-0x0000000002B00000-0x0000000002B15000-memory.dmp

memory/3016-5-0x0000000002AF0000-0x0000000002B00000-memory.dmp

memory/3016-6-0x0000000000400000-0x0000000000453000-memory.dmp

memory/2152-7-0x00000000025D0000-0x00000000025E5000-memory.dmp

memory/3800-13-0x00000000007A0000-0x00000000007B5000-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

memory/116-20-0x00000000016A0000-0x00000000016B5000-memory.dmp

memory/2152-25-0x0000000000400000-0x0000000000453000-memory.dmp

memory/3800-18-0x0000000000400000-0x0000000000453000-memory.dmp

memory/116-26-0x0000000000400000-0x0000000000453000-memory.dmp