Malware Analysis Report

2024-11-30 20:02

Sample ID 241119-ywzztswqal
Target fc253d0f1829d4e068e65f3b251fec7f001e84b2212d1733379692d20662fc00
SHA256 fc253d0f1829d4e068e65f3b251fec7f001e84b2212d1733379692d20662fc00
Tags
zgrat discovery rat
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

fc253d0f1829d4e068e65f3b251fec7f001e84b2212d1733379692d20662fc00

Threat Level: Known bad

The file fc253d0f1829d4e068e65f3b251fec7f001e84b2212d1733379692d20662fc00 was found to be: Known bad.

Malicious Activity Summary

zgrat discovery rat

ZGRat

Detect ZGRat V2

Zgrat family

Loads dropped DLL

Executes dropped EXE

Checks installed software on the system

Drops file in Program Files directory

Unsigned PE

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-19 20:08

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-19 20:08

Reported

2024-11-19 20:11

Platform

win7-20240903-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\BFP-AH860-1.21.25.0.exe"

Signatures

Detect ZGRat V2

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

ZGRat

rat zgrat

Zgrat family

zgrat

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-JJ2RR.tmp\BFP-AH860-1.21.25.0.tmp N/A

Checks installed software on the system

discovery

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files\BFDX\BFP-AH860\BFP-AH860.exe C:\Users\Admin\AppData\Local\Temp\is-JJ2RR.tmp\BFP-AH860-1.21.25.0.tmp N/A
File created C:\Program Files\BFDX\BFP-AH860\unins000.dat C:\Users\Admin\AppData\Local\Temp\is-JJ2RR.tmp\BFP-AH860-1.21.25.0.tmp N/A
File created C:\Program Files\BFDX\BFP-AH860\is-11K8M.tmp C:\Users\Admin\AppData\Local\Temp\is-JJ2RR.tmp\BFP-AH860-1.21.25.0.tmp N/A
File created C:\Program Files\BFDX\BFP-AH860\is-05406.tmp C:\Users\Admin\AppData\Local\Temp\is-JJ2RR.tmp\BFP-AH860-1.21.25.0.tmp N/A
File created C:\Program Files\BFDX\BFP-AH860\is-7N9GS.tmp C:\Users\Admin\AppData\Local\Temp\is-JJ2RR.tmp\BFP-AH860-1.21.25.0.tmp N/A
File created C:\Program Files\BFDX\BFP-AH860\TextLib\is-FOVCI.tmp C:\Users\Admin\AppData\Local\Temp\is-JJ2RR.tmp\BFP-AH860-1.21.25.0.tmp N/A
File opened for modification C:\Program Files\BFDX\BFP-AH860\unins000.dat C:\Users\Admin\AppData\Local\Temp\is-JJ2RR.tmp\BFP-AH860-1.21.25.0.tmp N/A
File opened for modification C:\Program Files\BFDX\BFP-AH860\BFP-AH860.exe.config C:\Users\Admin\AppData\Local\Temp\is-JJ2RR.tmp\BFP-AH860-1.21.25.0.tmp N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\BFP-AH860-1.21.25.0.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\is-JJ2RR.tmp\BFP-AH860-1.21.25.0.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-JJ2RR.tmp\BFP-AH860-1.21.25.0.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-JJ2RR.tmp\BFP-AH860-1.21.25.0.tmp N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-JJ2RR.tmp\BFP-AH860-1.21.25.0.tmp N/A

Processes

C:\Users\Admin\AppData\Local\Temp\BFP-AH860-1.21.25.0.exe

"C:\Users\Admin\AppData\Local\Temp\BFP-AH860-1.21.25.0.exe"

C:\Users\Admin\AppData\Local\Temp\is-JJ2RR.tmp\BFP-AH860-1.21.25.0.tmp

"C:\Users\Admin\AppData\Local\Temp\is-JJ2RR.tmp\BFP-AH860-1.21.25.0.tmp" /SL5="$30148,839510,121344,C:\Users\Admin\AppData\Local\Temp\BFP-AH860-1.21.25.0.exe"

Network

N/A

Files

memory/3056-0-0x0000000000400000-0x0000000000428000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-JJ2RR.tmp\BFP-AH860-1.21.25.0.tmp

MD5 34acc2bdb45a9c436181426828c4cb49
SHA1 5adaa1ac822e6128b8d4b59a54d19901880452ae
SHA256 9c81817acd4982632d8c7f1df3898fca1477577738184265d735f49fc5480f07
SHA512 134ff4022571efd46f7a62e99b857ebe834e9916c786345908010f9e1fb90be226b740ddee16ae9290fe45c86be7238c4555e422abe66a461d11545e19734beb

memory/3056-3-0x0000000000401000-0x0000000000412000-memory.dmp

memory/1736-8-0x0000000000400000-0x000000000052E000-memory.dmp

\Users\Admin\AppData\Local\Temp\is-B6A18.tmp\isxdl.dll

MD5 48ad1a1c893ce7bf456277a0a085ed01
SHA1 803997ef17eedf50969115c529a2bf8de585dc91
SHA256 b0cc4697b2fd1b4163fddca2050fc62a9e7d221864f1bd11e739144c90b685b3
SHA512 7c9e7fe9f00c62cccb5921cb55ba0dd96a0077ad52962473c1e79cda1fd9aa101129637043955703121443e1f8b6b2860cd4dfdb71052b20a322e05deed101a4

memory/3056-14-0x0000000000400000-0x0000000000428000-memory.dmp

memory/1736-15-0x0000000000400000-0x000000000052E000-memory.dmp

memory/1736-17-0x0000000000400000-0x000000000052E000-memory.dmp

\Program Files\BFDX\BFP-AH860\BFP-AH860.exe

MD5 6048880cb20cb19da24ba9d9f888bfc5
SHA1 57c54ca8d4950a25fe1941bd78e0c0fb9cf7f7a5
SHA256 b735c8431604f929b7968b7a675e0935bbbf9a0e054a7d5eef26fc6affab8aba
SHA512 40d768bbf0c3aac01c550ad72d4b85857fba59a51f0de3c5f1b094704ef60f5ea0ddead24794e6863a10fffaf80337fea7d45c0078a143ad8431cf817e2cc6f7

\Program Files\BFDX\BFP-AH860\unins000.exe

MD5 be545d1b25028c5e9f861633546146cc
SHA1 e02b58cdf6bb28ea8761c70b22ef2baa327dabcc
SHA256 e81c4fcf045ed5588c45ba455903e5449c9d24518dfc0d7cfcc5efc02ea9f27f
SHA512 50a772f82d1ee0176d0d3bef87a98eb88ab5497478bc9ab63113c7483d676a04b720d31b68fd90e6d68477c4982f9139b92fe21ea615bb6f6f3ded13f4ec3155

memory/1736-41-0x0000000000400000-0x000000000052E000-memory.dmp

memory/1736-46-0x0000000000400000-0x000000000052E000-memory.dmp

memory/3056-47-0x0000000000400000-0x0000000000428000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-19 20:08

Reported

2024-11-19 20:11

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\BFP-AH860-1.21.25.0.exe"

Signatures

Detect ZGRat V2

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

ZGRat

rat zgrat

Zgrat family

zgrat

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-5UQ7R.tmp\BFP-AH860-1.21.25.0.tmp N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-5UQ7R.tmp\BFP-AH860-1.21.25.0.tmp N/A

Checks installed software on the system

discovery

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files\BFDX\BFP-AH860\BFP-AH860.exe.config C:\Users\Admin\AppData\Local\Temp\is-5UQ7R.tmp\BFP-AH860-1.21.25.0.tmp N/A
File opened for modification C:\Program Files\BFDX\BFP-AH860\BFP-AH860.exe C:\Users\Admin\AppData\Local\Temp\is-5UQ7R.tmp\BFP-AH860-1.21.25.0.tmp N/A
File created C:\Program Files\BFDX\BFP-AH860\unins000.dat C:\Users\Admin\AppData\Local\Temp\is-5UQ7R.tmp\BFP-AH860-1.21.25.0.tmp N/A
File created C:\Program Files\BFDX\BFP-AH860\is-NKGKR.tmp C:\Users\Admin\AppData\Local\Temp\is-5UQ7R.tmp\BFP-AH860-1.21.25.0.tmp N/A
File created C:\Program Files\BFDX\BFP-AH860\is-9PPOC.tmp C:\Users\Admin\AppData\Local\Temp\is-5UQ7R.tmp\BFP-AH860-1.21.25.0.tmp N/A
File created C:\Program Files\BFDX\BFP-AH860\is-EPDJ9.tmp C:\Users\Admin\AppData\Local\Temp\is-5UQ7R.tmp\BFP-AH860-1.21.25.0.tmp N/A
File created C:\Program Files\BFDX\BFP-AH860\TextLib\is-U2O83.tmp C:\Users\Admin\AppData\Local\Temp\is-5UQ7R.tmp\BFP-AH860-1.21.25.0.tmp N/A
File opened for modification C:\Program Files\BFDX\BFP-AH860\unins000.dat C:\Users\Admin\AppData\Local\Temp\is-5UQ7R.tmp\BFP-AH860-1.21.25.0.tmp N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\BFP-AH860-1.21.25.0.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\is-5UQ7R.tmp\BFP-AH860-1.21.25.0.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-5UQ7R.tmp\BFP-AH860-1.21.25.0.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-5UQ7R.tmp\BFP-AH860-1.21.25.0.tmp N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-5UQ7R.tmp\BFP-AH860-1.21.25.0.tmp N/A

Processes

C:\Users\Admin\AppData\Local\Temp\BFP-AH860-1.21.25.0.exe

"C:\Users\Admin\AppData\Local\Temp\BFP-AH860-1.21.25.0.exe"

C:\Users\Admin\AppData\Local\Temp\is-5UQ7R.tmp\BFP-AH860-1.21.25.0.tmp

"C:\Users\Admin\AppData\Local\Temp\is-5UQ7R.tmp\BFP-AH860-1.21.25.0.tmp" /SL5="$701C0,839510,121344,C:\Users\Admin\AppData\Local\Temp\BFP-AH860-1.21.25.0.exe"

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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

memory/1588-1-0x0000000000400000-0x0000000000428000-memory.dmp

memory/1588-2-0x0000000000401000-0x0000000000412000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-5UQ7R.tmp\BFP-AH860-1.21.25.0.tmp

MD5 34acc2bdb45a9c436181426828c4cb49
SHA1 5adaa1ac822e6128b8d4b59a54d19901880452ae
SHA256 9c81817acd4982632d8c7f1df3898fca1477577738184265d735f49fc5480f07
SHA512 134ff4022571efd46f7a62e99b857ebe834e9916c786345908010f9e1fb90be226b740ddee16ae9290fe45c86be7238c4555e422abe66a461d11545e19734beb

memory/1248-6-0x0000000000400000-0x000000000052E000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-7CJS6.tmp\isxdl.dll

MD5 48ad1a1c893ce7bf456277a0a085ed01
SHA1 803997ef17eedf50969115c529a2bf8de585dc91
SHA256 b0cc4697b2fd1b4163fddca2050fc62a9e7d221864f1bd11e739144c90b685b3
SHA512 7c9e7fe9f00c62cccb5921cb55ba0dd96a0077ad52962473c1e79cda1fd9aa101129637043955703121443e1f8b6b2860cd4dfdb71052b20a322e05deed101a4

memory/1588-12-0x0000000000400000-0x0000000000428000-memory.dmp

memory/1248-14-0x0000000000400000-0x000000000052E000-memory.dmp

memory/1248-16-0x0000000000400000-0x000000000052E000-memory.dmp

C:\Program Files\BFDX\BFP-AH860\BFP-AH860.exe

MD5 6048880cb20cb19da24ba9d9f888bfc5
SHA1 57c54ca8d4950a25fe1941bd78e0c0fb9cf7f7a5
SHA256 b735c8431604f929b7968b7a675e0935bbbf9a0e054a7d5eef26fc6affab8aba
SHA512 40d768bbf0c3aac01c550ad72d4b85857fba59a51f0de3c5f1b094704ef60f5ea0ddead24794e6863a10fffaf80337fea7d45c0078a143ad8431cf817e2cc6f7

memory/1248-37-0x0000000000400000-0x000000000052E000-memory.dmp

memory/1248-42-0x0000000000400000-0x000000000052E000-memory.dmp

memory/1588-43-0x0000000000400000-0x0000000000428000-memory.dmp