Malware Analysis Report

2025-08-05 15:38

Sample ID 240530-caz7taac6t
Target b27dde44e585fd60fda53992f5633ee7749f80c82df6f79d04a81c6865576fb2
SHA256 b27dde44e585fd60fda53992f5633ee7749f80c82df6f79d04a81c6865576fb2
Tags
score
3/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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
3/10

SHA256

b27dde44e585fd60fda53992f5633ee7749f80c82df6f79d04a81c6865576fb2

Threat Level: Likely benign

The file b27dde44e585fd60fda53992f5633ee7749f80c82df6f79d04a81c6865576fb2 was found to be: Likely benign.

Malicious Activity Summary


Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-30 01:53

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-30 01:53

Reported

2024-05-30 01:55

Platform

win7-20240221-en

Max time kernel

121s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b27dde44e585fd60fda53992f5633ee7749f80c82df6f79d04a81c6865576fb2.exe"

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1952 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\b27dde44e585fd60fda53992f5633ee7749f80c82df6f79d04a81c6865576fb2.exe C:\Windows\SysWOW64\cmd.exe
PID 1952 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\b27dde44e585fd60fda53992f5633ee7749f80c82df6f79d04a81c6865576fb2.exe C:\Windows\SysWOW64\cmd.exe
PID 1952 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\b27dde44e585fd60fda53992f5633ee7749f80c82df6f79d04a81c6865576fb2.exe C:\Windows\SysWOW64\cmd.exe
PID 1952 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\b27dde44e585fd60fda53992f5633ee7749f80c82df6f79d04a81c6865576fb2.exe C:\Windows\SysWOW64\cmd.exe
PID 2836 wrote to memory of 2164 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\iexpress.exe
PID 2836 wrote to memory of 2164 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\iexpress.exe
PID 2836 wrote to memory of 2164 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\iexpress.exe
PID 2836 wrote to memory of 2164 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\iexpress.exe
PID 2164 wrote to memory of 1096 N/A C:\Windows\SysWOW64\iexpress.exe C:\Windows\SysWOW64\makecab.exe
PID 2164 wrote to memory of 1096 N/A C:\Windows\SysWOW64\iexpress.exe C:\Windows\SysWOW64\makecab.exe
PID 2164 wrote to memory of 1096 N/A C:\Windows\SysWOW64\iexpress.exe C:\Windows\SysWOW64\makecab.exe
PID 2164 wrote to memory of 1096 N/A C:\Windows\SysWOW64\iexpress.exe C:\Windows\SysWOW64\makecab.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b27dde44e585fd60fda53992f5633ee7749f80c82df6f79d04a81c6865576fb2.exe

"C:\Users\Admin\AppData\Local\Temp\b27dde44e585fd60fda53992f5633ee7749f80c82df6f79d04a81c6865576fb2.exe"

C:\Windows\SysWOW64\cmd.exe

cmd /c ""C:\Users\Admin\AppData\Local\Temp\2942.tmp\1.bat" "C:\Users\Admin\AppData\Local\Temp\b27dde44e585fd60fda53992f5633ee7749f80c82df6f79d04a81c6865576fb2.exe""

C:\Windows\SysWOW64\iexpress.exe

iexpress /n /q /m C:\Users\Admin\AppData\Local\Temp\popup.sed

C:\Windows\SysWOW64\makecab.exe

C:\Windows\SysWOW64\makecab.exe /f "~%TargetName%.DDF"

Network

N/A

Files

C:\Users\Admin\AppData\Local\Temp\2942.tmp\1.bat

MD5 02dba5f37067292355c6d01a57d4ef48
SHA1 7c67ab3f99fbf7a53018dd295d2968c525db83d9
SHA256 8b74c812ba9e6c536da7edd4101e7e0dddeab8355e5aff095dd31b3f00560242
SHA512 12201f949ee3198c8f4b39cc8edf90a114ecf42ddd5383ed0b87e4c78053cd517786dc7af83557e63a0483af74f4c0117d5568441ae761ff6958e758704d602a

C:\Users\Admin\AppData\Local\Temp\popup.sed

MD5 1f115c23afc7b10f34aefab3ec3322b8
SHA1 283a6a4ec4d7a25648221ce3b3a0d175880d8513
SHA256 98c9b9399195e818ea5d51d8ed6ffe7c0da885f3d946f1060b88f0578db84cba
SHA512 82c17a48755c9db7eafbe2a39327a8dcddad2031fd2ae0dccdc76ca6834022bb6958f1dd6ae1dfc2f52e45c1c60b8bd3adef72d49f1b4377b06dbb8f24752357

C:\Users\Admin\AppData\Local\Temp\~%TargetName%.DDF

MD5 c3ca008abd6997c4b036a7e8be75cb2c
SHA1 05f7a3527bb04c691b08f040f562582035398829
SHA256 29ef6bf47dcc8c67f1abe1b269d3518d6a4ebe125daa1ea460779638cb9782a3
SHA512 bee0baf3cb83144239077f99f5ca2a6ca7b618f7f51a53e03613ae697e8bc76fa28f5d006296b469be8e1fffeeb35668b5fe87b260b1380cc003815ea9efb083

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-30 01:53

Reported

2024-05-30 01:55

Platform

win10v2004-20240508-en

Max time kernel

133s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b27dde44e585fd60fda53992f5633ee7749f80c82df6f79d04a81c6865576fb2.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\b27dde44e585fd60fda53992f5633ee7749f80c82df6f79d04a81c6865576fb2.exe

"C:\Users\Admin\AppData\Local\Temp\b27dde44e585fd60fda53992f5633ee7749f80c82df6f79d04a81c6865576fb2.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\4371.tmp\1.bat" "C:\Users\Admin\AppData\Local\Temp\b27dde44e585fd60fda53992f5633ee7749f80c82df6f79d04a81c6865576fb2.exe""

C:\Windows\SysWOW64\iexpress.exe

iexpress /n /q /m C:\Users\Admin\AppData\Local\Temp\popup.sed

C:\Windows\SysWOW64\makecab.exe

C:\Windows\SysWOW64\makecab.exe /f "~%TargetName%.DDF"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\4371.tmp\1.bat

MD5 02dba5f37067292355c6d01a57d4ef48
SHA1 7c67ab3f99fbf7a53018dd295d2968c525db83d9
SHA256 8b74c812ba9e6c536da7edd4101e7e0dddeab8355e5aff095dd31b3f00560242
SHA512 12201f949ee3198c8f4b39cc8edf90a114ecf42ddd5383ed0b87e4c78053cd517786dc7af83557e63a0483af74f4c0117d5568441ae761ff6958e758704d602a

C:\Users\Admin\AppData\Local\Temp\popup.sed

MD5 1f115c23afc7b10f34aefab3ec3322b8
SHA1 283a6a4ec4d7a25648221ce3b3a0d175880d8513
SHA256 98c9b9399195e818ea5d51d8ed6ffe7c0da885f3d946f1060b88f0578db84cba
SHA512 82c17a48755c9db7eafbe2a39327a8dcddad2031fd2ae0dccdc76ca6834022bb6958f1dd6ae1dfc2f52e45c1c60b8bd3adef72d49f1b4377b06dbb8f24752357

C:\Users\Admin\AppData\Local\Temp\~%TargetName%.DDF

MD5 c3ca008abd6997c4b036a7e8be75cb2c
SHA1 05f7a3527bb04c691b08f040f562582035398829
SHA256 29ef6bf47dcc8c67f1abe1b269d3518d6a4ebe125daa1ea460779638cb9782a3
SHA512 bee0baf3cb83144239077f99f5ca2a6ca7b618f7f51a53e03613ae697e8bc76fa28f5d006296b469be8e1fffeeb35668b5fe87b260b1380cc003815ea9efb083