Malware Analysis Report

2024-10-10 12:13

Sample ID 240613-t57c2szhrr
Target a68a58749335d79b8f100d2a6bcc9344_JaffaCakes118
SHA256 cf73f6ec2ab5a96e1bead833c1fc66792019a1e2b5e296f3270097c9a32bb4e7
Tags
persistence upx
score
7/10

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
7/10

SHA256

cf73f6ec2ab5a96e1bead833c1fc66792019a1e2b5e296f3270097c9a32bb4e7

Threat Level: Shows suspicious behavior

The file a68a58749335d79b8f100d2a6bcc9344_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

persistence upx

Executes dropped EXE

UPX packed file

Adds Run key to start application

Drops file in Windows directory

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 16:39

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 16:39

Reported

2024-06-13 16:42

Platform

win7-20240508-en

Max time kernel

150s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a68a58749335d79b8f100d2a6bcc9344_JaffaCakes118.exe"

Signatures

Executes dropped EXE

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

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
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Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" C:\Users\Admin\AppData\Local\Temp\a68a58749335d79b8f100d2a6bcc9344_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" C:\Windows\services.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\services.exe C:\Users\Admin\AppData\Local\Temp\a68a58749335d79b8f100d2a6bcc9344_JaffaCakes118.exe N/A
File opened for modification C:\Windows\java.exe C:\Users\Admin\AppData\Local\Temp\a68a58749335d79b8f100d2a6bcc9344_JaffaCakes118.exe N/A
File created C:\Windows\java.exe C:\Users\Admin\AppData\Local\Temp\a68a58749335d79b8f100d2a6bcc9344_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a68a58749335d79b8f100d2a6bcc9344_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a68a58749335d79b8f100d2a6bcc9344_JaffaCakes118.exe"

C:\Windows\services.exe

"C:\Windows\services.exe"

Network

Country Destination Domain Proto
IM 81.88.166.9:1034 tcp
BD 123.49.14.204:1034 tcp
IN 15.206.21.188:1034 tcp
US 8.8.8.8:53 alumni.caltech.edu udp
US 8.8.8.8:53 gzip.org udp
US 8.8.8.8:53 alumni.caltech.edu udp
US 8.8.8.8:53 gzip.org udp
US 16.91.192.178:1034 tcp
N/A 192.168.137.46:1034 tcp
US 8.8.8.8:53 alumni.caltech.edu udp
US 8.8.8.8:53 gzip.org udp
N/A 192.168.1.237:1034 tcp
US 8.8.8.8:53 apple.com udp
US 8.8.8.8:53 unicode.org udp
US 8.8.8.8:53 search.yahoo.com udp
US 8.8.8.8:53 search.lycos.com udp
US 8.8.8.8:53 www.google.com udp
US 8.8.8.8:53 www.altavista.com udp
US 8.8.8.8:53 apple.com udp
US 8.8.8.8:53 unicode.org udp
US 16.48.65.196:1034 tcp
US 8.8.8.8:53 search.yahoo.com udp
US 8.8.8.8:53 search.lycos.com udp
US 8.8.8.8:53 www.altavista.com udp
US 8.8.8.8:53 www.google.com udp
US 8.8.8.8:53 search.yahoo.com udp
US 8.8.8.8:53 search.lycos.com udp
US 8.8.8.8:53 www.altavista.com udp
US 8.8.8.8:53 www.google.com udp
US 16.112.65.218:1034 tcp

Files

memory/2408-0-0x0000000000500000-0x000000000050D000-memory.dmp

C:\Windows\services.exe

MD5 b0fe74719b1b647e2056641931907f4a
SHA1 e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256 bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA512 9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

memory/2476-11-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2408-10-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2408-9-0x0000000000400000-0x0000000000408000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\zincite.log

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2476-17-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2476-21-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2408-22-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2408-23-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2476-27-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2476-28-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2476-32-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2476-36-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2476-37-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2476-41-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2476-45-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2476-46-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2476-50-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2476-54-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2476-55-0x0000000000400000-0x0000000000408000-memory.dmp

memory/2476-59-0x0000000000400000-0x0000000000408000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 16:39

Reported

2024-06-13 16:42

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a68a58749335d79b8f100d2a6bcc9344_JaffaCakes118.exe"

Signatures

Executes dropped EXE

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

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
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Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" C:\Users\Admin\AppData\Local\Temp\a68a58749335d79b8f100d2a6bcc9344_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" C:\Windows\services.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\services.exe C:\Users\Admin\AppData\Local\Temp\a68a58749335d79b8f100d2a6bcc9344_JaffaCakes118.exe N/A
File opened for modification C:\Windows\java.exe C:\Users\Admin\AppData\Local\Temp\a68a58749335d79b8f100d2a6bcc9344_JaffaCakes118.exe N/A
File created C:\Windows\java.exe C:\Users\Admin\AppData\Local\Temp\a68a58749335d79b8f100d2a6bcc9344_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a68a58749335d79b8f100d2a6bcc9344_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a68a58749335d79b8f100d2a6bcc9344_JaffaCakes118.exe"

C:\Windows\services.exe

"C:\Windows\services.exe"

Network

Country Destination Domain Proto
IM 81.88.166.9:1034 tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
BD 123.49.14.204:1034 tcp
IN 15.206.21.188:1034 tcp
US 8.8.8.8:53 m-ou.se udp
US 8.8.8.8:53 acm.org udp
US 8.8.8.8:53 cs.stanford.edu udp
US 8.8.8.8:53 burtleburtle.net udp
US 8.8.8.8:53 alumni.caltech.edu udp
US 8.8.8.8:53 gzip.org udp
US 8.8.8.8:53 www.google.com udp
US 8.8.8.8:53 search.lycos.com udp
US 8.8.8.8:53 www.altavista.com udp
US 8.8.8.8:53 search.yahoo.com udp
US 16.91.192.178:1034 tcp
US 8.8.8.8:53 m-ou.se udp
US 8.8.8.8:53 acm.org udp
US 8.8.8.8:53 cs.stanford.edu udp
US 8.8.8.8:53 cs.stanford.edu udp
US 8.8.8.8:53 cs.stanford.edu udp
US 8.8.8.8:53 burtleburtle.net udp
US 8.8.8.8:53 alumni.caltech.edu udp
US 8.8.8.8:53 gzip.org udp
US 8.8.8.8:53 www.google.com udp
N/A 192.168.137.46:1034 tcp
US 8.8.8.8:53 m-ou.se udp
US 8.8.8.8:53 acm.org udp
US 8.8.8.8:53 cs.stanford.edu udp
US 8.8.8.8:53 cs.stanford.edu udp
US 8.8.8.8:53 cs.stanford.edu udp
US 8.8.8.8:53 burtleburtle.net udp
US 8.8.8.8:53 alumni.caltech.edu udp
US 8.8.8.8:53 gzip.org udp
N/A 192.168.1.237:1034 tcp
US 8.8.8.8:53 outlook.com udp
US 8.8.8.8:53 cs.stanford.edu udp
US 8.8.8.8:53 www.altavista.com udp
US 8.8.8.8:53 www.google.com udp
US 8.8.8.8:53 search.lycos.com udp
US 8.8.8.8:53 gzip.org udp
US 8.8.8.8:53 search.yahoo.com udp
US 16.48.65.196:1034 tcp
US 8.8.8.8:53 mx.cs.stanford.edu udp
US 8.8.8.8:53 outlook.com udp
US 8.8.8.8:53 www.google.com udp
US 8.8.8.8:53 search.lycos.com udp
US 8.8.8.8:53 search.yahoo.com udp
US 8.8.8.8:53 www.altavista.com udp
US 16.112.65.218:1034 tcp
US 8.8.8.8:53 www.google.com udp

Files

memory/1116-0-0x0000000000500000-0x000000000050D000-memory.dmp

C:\Windows\services.exe

MD5 b0fe74719b1b647e2056641931907f4a
SHA1 e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256 bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA512 9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

memory/412-7-0x0000000000400000-0x0000000000408000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\zincite.log

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/412-13-0x0000000000400000-0x0000000000408000-memory.dmp

memory/412-17-0x0000000000400000-0x0000000000408000-memory.dmp

memory/412-21-0x0000000000400000-0x0000000000408000-memory.dmp

memory/412-22-0x0000000000400000-0x0000000000408000-memory.dmp

memory/412-26-0x0000000000400000-0x0000000000408000-memory.dmp

memory/412-30-0x0000000000400000-0x0000000000408000-memory.dmp

memory/412-31-0x0000000000400000-0x0000000000408000-memory.dmp

memory/412-35-0x0000000000400000-0x0000000000408000-memory.dmp

memory/412-39-0x0000000000400000-0x0000000000408000-memory.dmp

memory/412-40-0x0000000000400000-0x0000000000408000-memory.dmp

memory/412-44-0x0000000000400000-0x0000000000408000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\zincite.log

MD5 438826464dabbe45082774e5bfaa135d
SHA1 7d3ba1126e72e3880ccf9cd3e81a990f7c255a5a
SHA256 bcb44e91beb5a7aed459d9d6cf0c947e6a58d372e367701d6447612132e9d5ce
SHA512 22debfa67e26d628246b391d81028626e74c80b58ac470a902d01854aa1da19202f0c427e62804fd62bb703f2bd4609968466d0e25a367b91e0ad44f2822dafa

C:\Users\Admin\AppData\Local\Temp\tmp1526.tmp

MD5 decfa163536f8e872392fc5d21745395
SHA1 91bca7ad0ab714ed1b0a62fe7f6d2995f122628d
SHA256 78eb650bb53c8ccce1d6dc17f96c67c97933e1d769772ba21383b2d4ad28ce3d
SHA512 0f7aa3adf90fb8da14f9c70dbc40c1e5226153dacfb3e0b3a6594d8228970657e1f00920225becc984ed73afe949fc79fa559d81a49e1437aec3eb9848108ac7

memory/412-87-0x0000000000400000-0x0000000000408000-memory.dmp

memory/412-88-0x0000000000400000-0x0000000000408000-memory.dmp

memory/412-91-0x0000000000400000-0x0000000000408000-memory.dmp