Malware Analysis Report

2024-09-22 23:09

Sample ID 240601-dd4j3sgb68
Target 892e8e65ca588aed0648f61074097abb_JaffaCakes118
SHA256 63e6cabc5c11c4b275634134619d3d9310dd86231d27aef9dd2efa7d1f737854
Tags
emotet epoch3 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

63e6cabc5c11c4b275634134619d3d9310dd86231d27aef9dd2efa7d1f737854

Threat Level: Known bad

The file 892e8e65ca588aed0648f61074097abb_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch3 banker trojan

Emotet

Loads dropped DLL

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Modifies data under HKEY_USERS

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-01 02:54

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-01 02:54

Reported

2024-06-01 02:57

Platform

win7-20240220-en

Max time kernel

146s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\892e8e65ca588aed0648f61074097abb_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\whileengn.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\whileengn.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\whileengn.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\whileengn.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\whileengn.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\whileengn.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0126000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\whileengn.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{99310438-B89D-44F4-9043-9D8A286E96A5} C:\Windows\SysWOW64\whileengn.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{99310438-B89D-44F4-9043-9D8A286E96A5}\WpadDecisionReason = "1" C:\Windows\SysWOW64\whileengn.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{99310438-B89D-44F4-9043-9D8A286E96A5}\WpadNetworkName = "Network 2" C:\Windows\SysWOW64\whileengn.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{99310438-B89D-44F4-9043-9D8A286E96A5}\a2-f2-93-60-bf-ac C:\Windows\SysWOW64\whileengn.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-f2-93-60-bf-ac\WpadDecision = "0" C:\Windows\SysWOW64\whileengn.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\whileengn.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\whileengn.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\whileengn.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\whileengn.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\whileengn.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-f2-93-60-bf-ac\WpadDecisionTime = b0b25e16cfb3da01 C:\Windows\SysWOW64\whileengn.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{99310438-B89D-44F4-9043-9D8A286E96A5}\WpadDecision = "0" C:\Windows\SysWOW64\whileengn.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{99310438-B89D-44F4-9043-9D8A286E96A5}\WpadDecisionTime = b0b25e16cfb3da01 C:\Windows\SysWOW64\whileengn.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-f2-93-60-bf-ac C:\Windows\SysWOW64\whileengn.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-f2-93-60-bf-ac\WpadDecisionReason = "1" C:\Windows\SysWOW64\whileengn.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\892e8e65ca588aed0648f61074097abb_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\892e8e65ca588aed0648f61074097abb_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\892e8e65ca588aed0648f61074097abb_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\892e8e65ca588aed0648f61074097abb_JaffaCakes118.exe

--96a84b1e

C:\Windows\SysWOW64\whileengn.exe

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

C:\Windows\SysWOW64\whileengn.exe

--b8dc8037

Network

Country Destination Domain Proto
VE 200.109.58.183:443 tcp
VE 200.109.58.183:443 tcp
AR 190.195.148.163:80 tcp
AR 190.195.148.163:80 tcp
FR 46.105.131.68:8080 tcp
FR 46.105.131.68:8080 tcp

Files

\ProgramData\cvxgdfade.sxcase

MD5 d5422ff3c82d7da2844fcea96a034179
SHA1 bcab0411f22f77ae5d68eefc8b620e1db3700686
SHA256 b2c6447a0287aa5705d8787a5e110aa0f8467ff7587d95bb22cff15c0414adef
SHA512 be0d31c44ef9849c3d6c4cb126ddf51e5a2e4a44b6af5bc6fe684d04dce56ac1c8905371004fa249e56680b25e54e0bd5eca30aedabadcf865f4b09a2ce1db7a

memory/2036-5-0x0000000000330000-0x0000000000347000-memory.dmp

memory/2036-11-0x0000000000300000-0x0000000000311000-memory.dmp

memory/2036-10-0x0000000000400000-0x0000000000479000-memory.dmp

memory/2576-18-0x0000000000300000-0x0000000000317000-memory.dmp

memory/2648-25-0x0000000000850000-0x0000000000867000-memory.dmp

memory/2648-30-0x0000000000400000-0x0000000000479000-memory.dmp

memory/2576-31-0x0000000000400000-0x0000000000479000-memory.dmp

memory/2392-33-0x00000000003D0000-0x00000000003E7000-memory.dmp

memory/2392-38-0x0000000000400000-0x0000000000479000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-01 02:54

Reported

2024-06-01 02:57

Platform

win10v2004-20240426-en

Max time kernel

147s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\892e8e65ca588aed0648f61074097abb_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\termteapot.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\termteapot.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\termteapot.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\termteapot.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\termteapot.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\termteapot.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\termteapot.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\892e8e65ca588aed0648f61074097abb_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\892e8e65ca588aed0648f61074097abb_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\892e8e65ca588aed0648f61074097abb_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\892e8e65ca588aed0648f61074097abb_JaffaCakes118.exe

--96a84b1e

C:\Windows\SysWOW64\termteapot.exe

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

C:\Windows\SysWOW64\termteapot.exe

--6233e183

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
VE 200.109.58.183:443 tcp
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
AR 190.195.148.163:80 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
FR 46.105.131.68:8080 tcp
US 52.111.227.11:443 tcp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 192.163.221.191:8080 tcp
NZ 124.150.175.133:80 tcp

Files

C:\ProgramData\cvxgdfade.sxcase

MD5 594343f093575c9b26d672885209b135
SHA1 c0de28d56685c824844fe52d25120afbe582ace9
SHA256 33d9ae18b93cd0b822e4fdb1c6726c673067f337eccf0edcf81ae2a1b91331c9
SHA512 4b9d85d55f5f505605ff9f2b602906515fed0a1ad493b5409aea69db24a7b7b6281712380765e6b17e914e81762ea153eb9de312c7b2b8a7990202c614945d5b

memory/1596-6-0x0000000002620000-0x0000000002637000-memory.dmp

memory/1596-11-0x0000000002600000-0x0000000002611000-memory.dmp

memory/1596-12-0x0000000000400000-0x0000000000479000-memory.dmp

memory/1076-19-0x0000000002570000-0x0000000002587000-memory.dmp

memory/4532-27-0x0000000001260000-0x0000000001277000-memory.dmp

memory/4532-32-0x0000000000400000-0x0000000000479000-memory.dmp

memory/1076-33-0x0000000000400000-0x0000000000479000-memory.dmp

C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\a831e7ae1e5995dca038e7f9d356b60a_215f2dba-ef84-4dd1-b127-5f514a0c233b

MD5 f6219e219e71470cde16d0483a8d248c
SHA1 fe4df7338b6252c516d72d2889b71331a75e9150
SHA256 83e2a322cc5b9d93b9fdd0bcd356ee6be52313b2198db91dd5d99f4703ad9f7e
SHA512 57efbf4b5e6ed8469ae811c9179c14f6431dd07c1e956e1eecfb577efa7970e95f03e69a9443da82b113b4eae879c6bdf5a109dfaa11613ca6eea1cbd21e35d3

memory/4172-37-0x0000000001230000-0x0000000001247000-memory.dmp

memory/4172-41-0x0000000000400000-0x0000000000479000-memory.dmp