Malware Analysis Report

2024-09-22 23:42

Sample ID 240606-c2ep7aeh8x
Target 99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118
SHA256 506fa4b97cb81314aa929dee6349218e06e85fbc4f78469592e0a4b90eab17cd
Tags
emotet banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

506fa4b97cb81314aa929dee6349218e06e85fbc4f78469592e0a4b90eab17cd

Threat Level: Known bad

The file 99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet banker trojan

Emotet

Unexpected DNS network traffic destination

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-06 02:34

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-06 02:34

Reported

2024-06-06 02:36

Platform

win10v2004-20240508-en

Max time kernel

134s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Unexpected DNS network traffic destination

Description Indicator Process Target
Destination IP 216.21.168.27 N/A N/A

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe"

C:\Windows\SysWOW64\extsshlp.exe

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

C:\Windows\SysWOW64\extsshlp.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
CA 128.100.126.113:80 tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 47.188.131.94:443 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
DE 80.153.201.243:22 tcp
IE 52.111.236.23:443 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 216.21.168.27:53 tcp
ZA 164.160.161.118:8080 tcp

Files

memory/4524-0-0x0000000000960000-0x000000000096D000-memory.dmp

memory/4524-4-0x0000000000960000-0x000000000096D000-memory.dmp

memory/4524-6-0x0000000002470000-0x0000000002490000-memory.dmp

memory/4524-5-0x0000000000590000-0x000000000059D000-memory.dmp

memory/1740-7-0x00000000005A0000-0x00000000005AD000-memory.dmp

memory/1740-11-0x00000000005A0000-0x00000000005AD000-memory.dmp

memory/1740-13-0x00000000005B0000-0x00000000005D0000-memory.dmp

memory/1740-12-0x0000000000590000-0x000000000059D000-memory.dmp

memory/4524-14-0x0000000000590000-0x000000000059D000-memory.dmp

memory/1760-19-0x00000000006A0000-0x00000000006AD000-memory.dmp

memory/1760-15-0x00000000006A0000-0x00000000006AD000-memory.dmp

memory/1760-21-0x00000000006B0000-0x00000000006D0000-memory.dmp

memory/1760-20-0x0000000000580000-0x000000000058D000-memory.dmp

memory/5092-26-0x00000000004C0000-0x00000000004CD000-memory.dmp

memory/5092-22-0x00000000004C0000-0x00000000004CD000-memory.dmp

memory/5092-27-0x00000000004B0000-0x00000000004BD000-memory.dmp

memory/5092-28-0x00000000004E0000-0x0000000000500000-memory.dmp

memory/1760-29-0x0000000000580000-0x000000000058D000-memory.dmp

memory/1740-31-0x0000000000590000-0x000000000059D000-memory.dmp

memory/1740-30-0x0000000000400000-0x0000000000420000-memory.dmp

memory/5092-32-0x00000000004B0000-0x00000000004BD000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-06 02:34

Reported

2024-06-06 02:36

Platform

win7-20231129-en

Max time kernel

143s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_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\accountutilman.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\ee-11-a7-3b-9b-9c\WpadDecision = "0" C:\Windows\SysWOW64\accountutilman.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\accountutilman.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\accountutilman.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\accountutilman.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\accountutilman.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F14E5156-AE80-41FC-99BE-A6E391A9D977}\WpadDecision = "0" C:\Windows\SysWOW64\accountutilman.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F14E5156-AE80-41FC-99BE-A6E391A9D977}\ee-11-a7-3b-9b-9c C:\Windows\SysWOW64\accountutilman.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\accountutilman.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\accountutilman.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F14E5156-AE80-41FC-99BE-A6E391A9D977}\WpadDecisionReason = "1" C:\Windows\SysWOW64\accountutilman.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\accountutilman.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F14E5156-AE80-41FC-99BE-A6E391A9D977} C:\Windows\SysWOW64\accountutilman.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ee-11-a7-3b-9b-9c\WpadDetectedUrl C:\Windows\SysWOW64\accountutilman.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ee-11-a7-3b-9b-9c\WpadDecisionTime = 5078ba51bab7da01 C:\Windows\SysWOW64\accountutilman.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F14E5156-AE80-41FC-99BE-A6E391A9D977}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\accountutilman.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000004000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f003e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\accountutilman.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F14E5156-AE80-41FC-99BE-A6E391A9D977}\WpadDecisionTime = 5078ba51bab7da01 C:\Windows\SysWOW64\accountutilman.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\accountutilman.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f003e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\accountutilman.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ee-11-a7-3b-9b-9c C:\Windows\SysWOW64\accountutilman.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ee-11-a7-3b-9b-9c\WpadDecisionTime = 70d98802bab7da01 C:\Windows\SysWOW64\accountutilman.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\accountutilman.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\accountutilman.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F14E5156-AE80-41FC-99BE-A6E391A9D977}\WpadDecisionTime = 70d98802bab7da01 C:\Windows\SysWOW64\accountutilman.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ee-11-a7-3b-9b-9c\WpadDecisionReason = "1" C:\Windows\SysWOW64\accountutilman.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\99d25dcb4e5dc2d4e93bebf01d84e947_JaffaCakes118.exe"

C:\Windows\SysWOW64\accountutilman.exe

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

C:\Windows\SysWOW64\accountutilman.exe

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

Network

Country Destination Domain Proto
CA 128.100.126.113:80 tcp
CA 128.100.126.113:80 tcp
US 47.188.131.94:443 tcp
US 47.188.131.94:443 tcp
US 76.72.225.30:465 tcp
US 76.72.225.30:465 tcp

Files

memory/2368-6-0x0000000000270000-0x0000000000290000-memory.dmp

memory/2368-5-0x0000000000250000-0x000000000025D000-memory.dmp

memory/2368-4-0x0000000000260000-0x000000000026D000-memory.dmp

memory/2368-0-0x0000000000260000-0x000000000026D000-memory.dmp

memory/2368-12-0x0000000000250000-0x000000000025D000-memory.dmp

memory/2396-17-0x0000000000330000-0x000000000033D000-memory.dmp

memory/2396-13-0x0000000000330000-0x000000000033D000-memory.dmp

memory/2396-18-0x0000000000320000-0x000000000032D000-memory.dmp

memory/2396-19-0x00000000003D0000-0x00000000003F0000-memory.dmp

memory/3052-24-0x00000000003A0000-0x00000000003AD000-memory.dmp

memory/3052-20-0x00000000003A0000-0x00000000003AD000-memory.dmp

memory/3052-26-0x00000000003B0000-0x00000000003D0000-memory.dmp

memory/3052-25-0x0000000000390000-0x000000000039D000-memory.dmp

memory/2396-27-0x0000000000320000-0x000000000032D000-memory.dmp

memory/2188-29-0x0000000000250000-0x000000000025D000-memory.dmp

memory/2188-28-0x0000000000400000-0x0000000000420000-memory.dmp

memory/3052-30-0x0000000000390000-0x000000000039D000-memory.dmp