Malware Analysis Report

2024-09-22 23:19

Sample ID 240529-bvgqjacg4z
Target 7f147afcf2c6ca1e1996713efdfba9d5_JaffaCakes118
SHA256 7e0a9d819f26096c598cebf4bf31ccff963a8136cb9139524e8c8778c5479f0e
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

7e0a9d819f26096c598cebf4bf31ccff963a8136cb9139524e8c8778c5479f0e

Threat Level: Known bad

The file 7f147afcf2c6ca1e1996713efdfba9d5_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch2 banker trojan

Emotet

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-05-29 01:27

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-29 01:27

Reported

2024-05-29 01:30

Platform

win7-20240220-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7f147afcf2c6ca1e1996713efdfba9d5_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\mediumshader.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6FE76540-4E62-4423-8017-8775C9B6F7B7}\WpadDecisionReason = "1" C:\Windows\SysWOW64\mediumshader.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7a-7a-97-92-e7-15\WpadDecision = "0" C:\Windows\SysWOW64\mediumshader.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\mediumshader.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\mediumshader.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\mediumshader.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\mediumshader.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6FE76540-4E62-4423-8017-8775C9B6F7B7}\WpadDecisionTime = 40ae0f7b67b1da01 C:\Windows\SysWOW64\mediumshader.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7a-7a-97-92-e7-15 C:\Windows\SysWOW64\mediumshader.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6FE76540-4E62-4423-8017-8775C9B6F7B7}\7a-7a-97-92-e7-15 C:\Windows\SysWOW64\mediumshader.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7a-7a-97-92-e7-15\WpadDecisionReason = "1" C:\Windows\SysWOW64\mediumshader.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\mediumshader.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\mediumshader.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\mediumshader.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6FE76540-4E62-4423-8017-8775C9B6F7B7} C:\Windows\SysWOW64\mediumshader.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7a-7a-97-92-e7-15\WpadDecisionTime = 40ae0f7b67b1da01 C:\Windows\SysWOW64\mediumshader.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6FE76540-4E62-4423-8017-8775C9B6F7B7}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\mediumshader.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\mediumshader.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\mediumshader.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f013c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\mediumshader.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6FE76540-4E62-4423-8017-8775C9B6F7B7}\WpadDecision = "0" C:\Windows\SysWOW64\mediumshader.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\mediumshader.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7f147afcf2c6ca1e1996713efdfba9d5_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7f147afcf2c6ca1e1996713efdfba9d5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7f147afcf2c6ca1e1996713efdfba9d5_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\7f147afcf2c6ca1e1996713efdfba9d5_JaffaCakes118.exe

--c6173eca

C:\Windows\SysWOW64\mediumshader.exe

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

C:\Windows\SysWOW64\mediumshader.exe

--c7c4594c

Network

Country Destination Domain Proto
DE 165.227.156.155:443 165.227.156.155 tcp
US 104.239.175.211:8080 tcp
US 104.239.175.211:8080 tcp
US 67.225.179.64:8080 tcp
US 67.225.179.64:8080 tcp
US 192.241.220.155:8080 tcp
US 192.241.220.155:8080 tcp

Files

memory/1728-0-0x00000000002F0000-0x0000000000307000-memory.dmp

memory/1728-5-0x0000000000240000-0x0000000000251000-memory.dmp

memory/2144-6-0x00000000003C0000-0x00000000003D7000-memory.dmp

memory/2240-11-0x0000000000570000-0x0000000000587000-memory.dmp

memory/2144-16-0x0000000000400000-0x00000000004C4000-memory.dmp

memory/2592-17-0x00000000003D0000-0x00000000003E7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-29 01:27

Reported

2024-05-29 01:30

Platform

win10v2004-20240226-en

Max time kernel

154s

Max time network

162s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7f147afcf2c6ca1e1996713efdfba9d5_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\IE C:\Windows\SysWOW64\mmcendif.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\mmcendif.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\mmcendif.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 C:\Windows\SysWOW64\mmcendif.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\mmcendif.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\mmcendif.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\mmcendif.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7f147afcf2c6ca1e1996713efdfba9d5_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7f147afcf2c6ca1e1996713efdfba9d5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7f147afcf2c6ca1e1996713efdfba9d5_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\7f147afcf2c6ca1e1996713efdfba9d5_JaffaCakes118.exe

--c6173eca

C:\Windows\SysWOW64\mmcendif.exe

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

C:\Windows\SysWOW64\mmcendif.exe

--6a3629c7

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=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 91.90.14.23.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
FR 216.58.214.170:443 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 8.8.8.8:53 170.214.58.216.in-addr.arpa udp
US 8.8.8.8:53 29.32.239.216.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.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
US 104.239.175.211:8080 tcp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 67.225.179.64:8080 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 192.241.220.155:8080 tcp
CO 179.12.170.148:8080 tcp
US 8.8.8.8:53 66.112.168.52.in-addr.arpa udp
N/A 5.196.74.210:8080 tcp

Files

memory/4796-2-0x0000000002330000-0x0000000002341000-memory.dmp

memory/4796-0-0x0000000002350000-0x0000000002367000-memory.dmp

memory/4044-6-0x0000000002110000-0x0000000002127000-memory.dmp

memory/3260-12-0x0000000001000000-0x0000000001017000-memory.dmp

memory/4044-17-0x0000000000400000-0x00000000004C4000-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/1496-19-0x0000000000FB0000-0x0000000000FC7000-memory.dmp