Malware Analysis Report

2024-10-18 21:20

Sample ID 240721-xy61gsshkk
Target 610d7bb9f9725d5b736843123d27f1bc_JaffaCakes118
SHA256 1d79c23865675ea988e8da616d87729fc029e3da8655a452ec8603c2645ed29c
Tags
emotet epoch2 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

1d79c23865675ea988e8da616d87729fc029e3da8655a452ec8603c2645ed29c

Threat Level: Known bad

The file 610d7bb9f9725d5b736843123d27f1bc_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

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

Suspicious use of UnmapMainImage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-21 19:16

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-21 19:16

Reported

2024-07-21 19:19

Platform

win7-20240708-en

Max time kernel

137s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\610d7bb9f9725d5b736843123d27f1bc_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\choreallow.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\choreallow.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\choreallow.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\choreallow.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f018c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\choreallow.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E0A09EB3-E4D5-4448-8FA1-8C2CAC1ECD1C}\WpadDecisionTime = 80210199a2dbda01 C:\Windows\SysWOW64\choreallow.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-e9-08-ee-5f-85\WpadDecision = "0" C:\Windows\SysWOW64\choreallow.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\choreallow.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E0A09EB3-E4D5-4448-8FA1-8C2CAC1ECD1C}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\choreallow.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E0A09EB3-E4D5-4448-8FA1-8C2CAC1ECD1C}\e6-e9-08-ee-5f-85 C:\Windows\SysWOW64\choreallow.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\choreallow.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\choreallow.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E0A09EB3-E4D5-4448-8FA1-8C2CAC1ECD1C} C:\Windows\SysWOW64\choreallow.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-e9-08-ee-5f-85 C:\Windows\SysWOW64\choreallow.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-e9-08-ee-5f-85\WpadDecisionReason = "1" C:\Windows\SysWOW64\choreallow.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-e9-08-ee-5f-85\WpadDecisionTime = 80210199a2dbda01 C:\Windows\SysWOW64\choreallow.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\choreallow.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\choreallow.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\choreallow.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\choreallow.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E0A09EB3-E4D5-4448-8FA1-8C2CAC1ECD1C}\WpadDecisionReason = "1" C:\Windows\SysWOW64\choreallow.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E0A09EB3-E4D5-4448-8FA1-8C2CAC1ECD1C}\WpadDecision = "0" C:\Windows\SysWOW64\choreallow.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\610d7bb9f9725d5b736843123d27f1bc_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\610d7bb9f9725d5b736843123d27f1bc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\610d7bb9f9725d5b736843123d27f1bc_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\610d7bb9f9725d5b736843123d27f1bc_JaffaCakes118.exe

--231c9b27

C:\Windows\SysWOW64\choreallow.exe

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

C:\Windows\SysWOW64\choreallow.exe

--cb52d91e

Network

Country Destination Domain Proto
FR 80.11.163.139:443 tcp
FR 80.11.163.139:443 tcp
ES 85.54.169.141:8080 tcp
ES 85.54.169.141:8080 tcp
NL 185.14.187.201:8080 tcp
NL 185.14.187.201:8080 tcp

Files

memory/2076-0-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2076-2-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2692-3-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2376-4-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2692-7-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2400-8-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2400-9-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2400-10-0x0000000000400000-0x0000000000414000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-21 19:16

Reported

2024-07-21 19:19

Platform

win10v2004-20240709-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\610d7bb9f9725d5b736843123d27f1bc_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\enginemferror.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\enginemferror.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\enginemferror.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\enginemferror.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\enginemferror.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\enginemferror.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\enginemferror.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\610d7bb9f9725d5b736843123d27f1bc_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\610d7bb9f9725d5b736843123d27f1bc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\610d7bb9f9725d5b736843123d27f1bc_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\610d7bb9f9725d5b736843123d27f1bc_JaffaCakes118.exe

--231c9b27

C:\Windows\SysWOW64\enginemferror.exe

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

C:\Windows\SysWOW64\enginemferror.exe

--2bb6563

Network

Country Destination Domain Proto
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
FR 80.11.163.139:443 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 98.58.20.217.in-addr.arpa udp
ES 85.54.169.141:8080 tcp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
NL 185.14.187.201:8080 tcp
US 8.8.8.8:53 18.58.20.217.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 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 45.79.188.67:8080 tcp
US 63.142.253.122:8080 tcp
NL 91.205.215.66:8080 tcp
CN 222.214.218.192:8080 tcp

Files

memory/4836-0-0x0000000000500000-0x0000000000517000-memory.dmp

memory/4836-1-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4836-4-0x0000000000500000-0x0000000000517000-memory.dmp

memory/2420-5-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2420-6-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2452-7-0x0000000000400000-0x000000000042D000-memory.dmp

memory/2420-10-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1424-12-0x0000000000400000-0x000000000042D000-memory.dmp

memory/1424-13-0x0000000000400000-0x000000000042D000-memory.dmp

memory/1424-16-0x0000000000400000-0x000000000042D000-memory.dmp

memory/1424-17-0x0000000000400000-0x000000000042D000-memory.dmp