Malware Analysis Report

2024-09-22 22:28

Sample ID 240602-s2dqwsfg4t
Target 8e933c17f526847fcffac71fa0cfea07_JaffaCakes118
SHA256 4655f0c946b4abcf4b7d740ac494bf8df5a67382ffd620f684cf79e30c20f1b8
Tags
emotet epoch1 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

4655f0c946b4abcf4b7d740ac494bf8df5a67382ffd620f684cf79e30c20f1b8

Threat Level: Known bad

The file 8e933c17f526847fcffac71fa0cfea07_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 Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-02 15:36

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-02 15:36

Reported

2024-06-02 15:39

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8e933c17f526847fcffac71fa0cfea07_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\iabfsi.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\iabfsi.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\iabfsi.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 C:\Windows\SysWOW64\iabfsi.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\iabfsi.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\iabfsi.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\iabfsi.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8e933c17f526847fcffac71fa0cfea07_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8e933c17f526847fcffac71fa0cfea07_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8e933c17f526847fcffac71fa0cfea07_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\8e933c17f526847fcffac71fa0cfea07_JaffaCakes118.exe

--2f2157c3

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 --field-trial-handle=4004,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=4180 /prefetch:8

C:\Windows\SysWOW64\iabfsi.exe

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

C:\Windows\SysWOW64\iabfsi.exe

--db0fcc84

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
MX 187.188.166.192:80 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
MY 42.190.4.92:443 tcp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 170.130.31.177:8080 tcp
US 8.8.8.8:53 99.58.20.217.in-addr.arpa udp
FR 51.255.165.160:8080 tcp
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 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 85.65.42.20.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
MY 60.52.64.122:80 tcp

Files

memory/1332-1-0x0000000000400000-0x0000000000458000-memory.dmp

memory/1332-0-0x0000000000401000-0x0000000000436000-memory.dmp

memory/1332-2-0x00000000006F0000-0x0000000000707000-memory.dmp

memory/872-10-0x0000000000400000-0x0000000000458000-memory.dmp

memory/1332-9-0x00000000006D0000-0x00000000006E1000-memory.dmp

memory/1332-8-0x0000000000400000-0x0000000000458000-memory.dmp

memory/1660-16-0x0000000000400000-0x0000000000458000-memory.dmp

memory/1660-18-0x00000000001D0000-0x00000000001E7000-memory.dmp

memory/1660-24-0x0000000000400000-0x0000000000458000-memory.dmp

memory/3840-27-0x0000000000400000-0x0000000000458000-memory.dmp

memory/872-26-0x0000000000400000-0x0000000000458000-memory.dmp

C:\ProgramData\Microsoft\Crypto\RSA\S-1-5-18\27c0738ed88ae919a1711a9b1324b5a5_d2547453-e731-4fdf-8f92-95f955a44aca

MD5 dd78062e166a7d28ea259d66acf16e7b
SHA1 b4799b14e9c354d2f2e954906c8a2ebf1262388d
SHA256 02d89b3d50c411c1ad7b4d2555f08620bccc5132adb6c965c043912489cbce8a
SHA512 2973d854e2c4288ed671a9b92ad97e161811112800d070bdf6d6f482bfe696cfcc7104ffa2a2102900a9a0fda02d558ecb15744cd5a7fb84b4948b7278edfb49

memory/3840-29-0x0000000001090000-0x00000000010A7000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-02 15:36

Reported

2024-06-02 15:39

Platform

win7-20240508-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8e933c17f526847fcffac71fa0cfea07_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\diagramcaching.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\diagramcaching.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\diagramcaching.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\diagramcaching.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\diagramcaching.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{18F780D2-A0DF-459F-89CA-8CFBFF4F2E4B}\WpadDecisionReason = "1" C:\Windows\SysWOW64\diagramcaching.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{18F780D2-A0DF-459F-89CA-8CFBFF4F2E4B}\WpadDecisionTime = e0d306c502b5da01 C:\Windows\SysWOW64\diagramcaching.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{18F780D2-A0DF-459F-89CA-8CFBFF4F2E4B}\de-b6-f7-94-93-9f C:\Windows\SysWOW64\diagramcaching.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\diagramcaching.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\diagramcaching.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{18F780D2-A0DF-459F-89CA-8CFBFF4F2E4B} C:\Windows\SysWOW64\diagramcaching.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-b6-f7-94-93-9f C:\Windows\SysWOW64\diagramcaching.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-b6-f7-94-93-9f\WpadDecisionTime = e0d306c502b5da01 C:\Windows\SysWOW64\diagramcaching.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\diagramcaching.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\diagramcaching.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f003b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\diagramcaching.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{18F780D2-A0DF-459F-89CA-8CFBFF4F2E4B}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\diagramcaching.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-b6-f7-94-93-9f\WpadDecision = "0" C:\Windows\SysWOW64\diagramcaching.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\diagramcaching.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{18F780D2-A0DF-459F-89CA-8CFBFF4F2E4B}\WpadDecision = "0" C:\Windows\SysWOW64\diagramcaching.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\de-b6-f7-94-93-9f\WpadDecisionReason = "1" C:\Windows\SysWOW64\diagramcaching.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\diagramcaching.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8e933c17f526847fcffac71fa0cfea07_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8e933c17f526847fcffac71fa0cfea07_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8e933c17f526847fcffac71fa0cfea07_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\8e933c17f526847fcffac71fa0cfea07_JaffaCakes118.exe

--2f2157c3

C:\Windows\SysWOW64\diagramcaching.exe

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

C:\Windows\SysWOW64\diagramcaching.exe

--328f983e

Network

Country Destination Domain Proto
MX 187.188.166.192:80 tcp
MX 187.188.166.192:80 tcp
MY 42.190.4.92:443 tcp
MY 42.190.4.92:443 tcp
US 170.130.31.177:8080 tcp
US 170.130.31.177:8080 tcp

Files

memory/1484-1-0x0000000000400000-0x0000000000458000-memory.dmp

memory/1484-0-0x0000000000401000-0x0000000000436000-memory.dmp

memory/1484-2-0x0000000000370000-0x0000000000387000-memory.dmp

memory/1484-9-0x0000000000350000-0x0000000000361000-memory.dmp

memory/1484-8-0x0000000000400000-0x0000000000458000-memory.dmp

memory/2188-10-0x0000000000400000-0x0000000000458000-memory.dmp

memory/2188-11-0x0000000000360000-0x0000000000377000-memory.dmp

memory/2336-16-0x0000000000400000-0x0000000000458000-memory.dmp

memory/2336-23-0x0000000000400000-0x0000000000458000-memory.dmp

memory/2724-26-0x0000000000400000-0x0000000000458000-memory.dmp

memory/2336-17-0x00000000003D0000-0x00000000003E7000-memory.dmp

memory/2188-25-0x0000000000400000-0x0000000000458000-memory.dmp

memory/2724-27-0x0000000000460000-0x0000000000477000-memory.dmp