Malware Analysis Report

2025-01-03 05:50

Sample ID 240504-m5gztseg55
Target 127070b4eca7a96c667c1a708ef628c3_JaffaCakes118
SHA256 c3e726552b4d6ba7c3bd4ea349b2937b3bdab4bc515c1144e4cbee127ec0a758
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

c3e726552b4d6ba7c3bd4ea349b2937b3bdab4bc515c1144e4cbee127ec0a758

Threat Level: Known bad

The file 127070b4eca7a96c667c1a708ef628c3_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: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-04 11:02

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-04 11:02

Reported

2024-05-04 11:05

Platform

win7-20240221-en

Max time kernel

148s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\127070b4eca7a96c667c1a708ef628c3_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\smcpdeft.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\smcpdeft.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\smcpdeft.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\smcpdeft.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\smcpdeft.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{36D5872D-0B61-4612-8A67-EEEFA5893B72} C:\Windows\SysWOW64\smcpdeft.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{36D5872D-0B61-4612-8A67-EEEFA5893B72}\WpadDecision = "0" C:\Windows\SysWOW64\smcpdeft.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{36D5872D-0B61-4612-8A67-EEEFA5893B72}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\smcpdeft.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f2-cc-6d-26-38-6d\WpadDecisionTime = d0b3a3aa129eda01 C:\Windows\SysWOW64\smcpdeft.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\smcpdeft.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\smcpdeft.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00ea000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\smcpdeft.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\smcpdeft.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\smcpdeft.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{36D5872D-0B61-4612-8A67-EEEFA5893B72}\WpadDecisionReason = "1" C:\Windows\SysWOW64\smcpdeft.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{36D5872D-0B61-4612-8A67-EEEFA5893B72}\f2-cc-6d-26-38-6d C:\Windows\SysWOW64\smcpdeft.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f2-cc-6d-26-38-6d\WpadDecisionReason = "1" C:\Windows\SysWOW64\smcpdeft.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\smcpdeft.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\smcpdeft.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{36D5872D-0B61-4612-8A67-EEEFA5893B72}\WpadDecisionTime = d0b3a3aa129eda01 C:\Windows\SysWOW64\smcpdeft.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f2-cc-6d-26-38-6d C:\Windows\SysWOW64\smcpdeft.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f2-cc-6d-26-38-6d\WpadDecision = "0" C:\Windows\SysWOW64\smcpdeft.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\127070b4eca7a96c667c1a708ef628c3_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\127070b4eca7a96c667c1a708ef628c3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\127070b4eca7a96c667c1a708ef628c3_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\127070b4eca7a96c667c1a708ef628c3_JaffaCakes118.exe

--a95b8f52

C:\Windows\SysWOW64\smcpdeft.exe

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

C:\Windows\SysWOW64\smcpdeft.exe

--b6d8cfa8

Network

Country Destination Domain Proto
VE 190.217.1.149:80 tcp
VE 190.217.1.149:80 tcp
ZW 154.120.227.206:8080 tcp
ZW 154.120.227.206:8080 tcp
US 45.56.79.249:443 45.56.79.249 tcp
FR 163.172.40.218:7080 tcp
FR 163.172.40.218:7080 tcp

Files

memory/2940-1-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2940-0-0x0000000000401000-0x0000000000417000-memory.dmp

memory/2940-2-0x0000000000360000-0x0000000000377000-memory.dmp

memory/2940-8-0x0000000000400000-0x0000000000438000-memory.dmp

memory/3056-9-0x0000000000400000-0x0000000000438000-memory.dmp

memory/3056-10-0x0000000000440000-0x0000000000457000-memory.dmp

memory/2076-15-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2076-16-0x0000000000480000-0x0000000000497000-memory.dmp

memory/2076-22-0x0000000000400000-0x0000000000438000-memory.dmp

memory/3056-24-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2580-25-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2580-26-0x0000000000F50000-0x0000000000F67000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-04 11:02

Reported

2024-05-04 11:05

Platform

win10v2004-20240419-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\127070b4eca7a96c667c1a708ef628c3_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\handengn.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\handengn.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\handengn.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\handengn.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\handengn.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\handengn.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\handengn.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\127070b4eca7a96c667c1a708ef628c3_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\127070b4eca7a96c667c1a708ef628c3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\127070b4eca7a96c667c1a708ef628c3_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\127070b4eca7a96c667c1a708ef628c3_JaffaCakes118.exe

--a95b8f52

C:\Windows\SysWOW64\handengn.exe

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

C:\Windows\SysWOW64\handengn.exe

--ba3b8b91

Network

Country Destination Domain Proto
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 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
VE 190.217.1.149:80 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 139.53.16.96.in-addr.arpa udp
ZW 154.120.227.206:8080 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 51.15.97.104.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 45.56.79.249:443 45.56.79.249 tcp
US 8.8.8.8:53 249.79.56.45.in-addr.arpa udp
FR 163.172.40.218:7080 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.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
DE 79.143.182.254:8080 tcp
AR 190.230.60.129:8080 tcp
CZ 46.28.111.142:7080 tcp
AR 190.182.161.7:8080 tcp
US 8.8.8.8:53 89.65.42.20.in-addr.arpa udp

Files

memory/4752-1-0x0000000000400000-0x0000000000438000-memory.dmp

memory/4752-0-0x0000000000401000-0x0000000000417000-memory.dmp

memory/4752-2-0x00000000006E0000-0x00000000006F7000-memory.dmp

memory/224-13-0x0000000000400000-0x0000000000438000-memory.dmp

memory/4752-14-0x0000000000400000-0x0000000000438000-memory.dmp

memory/224-8-0x0000000000B40000-0x0000000000B57000-memory.dmp

memory/2284-15-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2284-17-0x0000000000730000-0x0000000000747000-memory.dmp

memory/2284-22-0x0000000000400000-0x0000000000438000-memory.dmp

memory/224-25-0x0000000000400000-0x0000000000438000-memory.dmp

C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\1d9711abc4c7991af082606a1519efaa_f546c72a-ef7d-4387-9afa-727536aab388

MD5 83ce154a5573bcc4cfdf62b355bb54c0
SHA1 c09f190e200fb795442b8c441a793c448a0eabf1
SHA256 64f277c830cbe99b3fdd9c0a12ef4a25e9194f884bc767c12cb29b6c8f708181
SHA512 b51ae6a0a16506643061caa16d039db6f48ca481abb42c3d70c9274eeb698c3464c7818e6f493d2300a092a3d4964dc01558838d65a2457b37f869f502afdf3f

memory/1656-27-0x0000000000CB0000-0x0000000000CC7000-memory.dmp

memory/1656-32-0x0000000000400000-0x0000000000438000-memory.dmp