Malware Analysis Report

2024-12-07 02:24

Sample ID 241116-a8my2avpgv
Target 5e308205b953235ea7fc2c8b5f038ea2d374c5c0094870d51b68a348ef5fd890N.exe
SHA256 5e308205b953235ea7fc2c8b5f038ea2d374c5c0094870d51b68a348ef5fd890
Tags
upx ramnit banker discovery spyware stealer trojan worm
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 Overview

score
10/10

SHA256

5e308205b953235ea7fc2c8b5f038ea2d374c5c0094870d51b68a348ef5fd890

Threat Level: Known bad

The file 5e308205b953235ea7fc2c8b5f038ea2d374c5c0094870d51b68a348ef5fd890N.exe was found to be: Known bad.

Malicious Activity Summary

upx ramnit banker discovery spyware stealer trojan worm

Ramnit family

Ramnit

Executes dropped EXE

UPX packed file

Drops file in Program Files directory

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Modifies Internet Explorer settings

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-16 00:53

Signatures

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-16 00:53

Reported

2024-11-16 00:55

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

114s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5e308205b953235ea7fc2c8b5f038ea2d374c5c0094870d51b68a348ef5fd890N.exe"

Signatures

Ramnit

trojan spyware stealer worm banker ramnit

Ramnit family

ramnit

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft\DesktopLayer.exe N/A

UPX packed file

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

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\Microsoft\px6A14.tmp C:\Users\Admin\AppData\Local\Temp\5e308205b953235ea7fc2c8b5f038ea2d374c5c0094870d51b68a348ef5fd890N.exe N/A
File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe C:\Users\Admin\AppData\Local\Temp\5e308205b953235ea7fc2c8b5f038ea2d374c5c0094870d51b68a348ef5fd890N.exe N/A
File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe C:\Users\Admin\AppData\Local\Temp\5e308205b953235ea7fc2c8b5f038ea2d374c5c0094870d51b68a348ef5fd890N.exe N/A

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\5e308205b953235ea7fc2c8b5f038ea2d374c5c0094870d51b68a348ef5fd890N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Program Files (x86)\Microsoft\DesktopLayer.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4199256657" C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\VersionManager C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4193162912" C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\VersionManager C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\GPU C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31143873" C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "438483363" C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{258C34B2-A3B5-11EF-B9D5-EE8B2F3CE00B} = "0" C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4193162912" C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31143873" C:\Program Files\Internet Explorer\iexplore.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31143873" C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" C:\Program Files\Internet Explorer\iexplore.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\DomainSuggestion C:\Program Files\Internet Explorer\iexplore.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files\Internet Explorer\iexplore.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5e308205b953235ea7fc2c8b5f038ea2d374c5c0094870d51b68a348ef5fd890N.exe

"C:\Users\Admin\AppData\Local\Temp\5e308205b953235ea7fc2c8b5f038ea2d374c5c0094870d51b68a348ef5fd890N.exe"

C:\Program Files (x86)\Microsoft\DesktopLayer.exe

"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"

C:\Program Files\Internet Explorer\iexplore.exe

"C:\Program Files\Internet Explorer\iexplore.exe"

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE

"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1708 CREDAT:17410 /prefetch:2

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 api.bing.com udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.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 8.8.8.8:53 161.19.199.152.in-addr.arpa udp
US 204.79.197.200:443 ieonline.microsoft.com tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/3816-0-0x0000000000400000-0x000000000045C000-memory.dmp

memory/3816-1-0x00000000004E0000-0x00000000004EF000-memory.dmp

memory/3816-2-0x0000000000400000-0x000000000045C000-memory.dmp

C:\Program Files (x86)\Microsoft\DesktopLayer.exe

MD5 626f5f132ecf9a514921f2aab0920220
SHA1 21ce012ff78fbf0d8c9c8af6516636180f192b81
SHA256 5e308205b953235ea7fc2c8b5f038ea2d374c5c0094870d51b68a348ef5fd890
SHA512 6e369ab9e52f90615091c6e89fb645b2c430994b3e9d9a781966a52c623effffe36fbf3c2c2e3bff12f8cdf3748161583c885846820e0d5bb97a284829bd08c5

memory/2416-7-0x0000000000400000-0x000000000045C000-memory.dmp

memory/3816-11-0x0000000000400000-0x000000000045C000-memory.dmp

memory/2416-9-0x0000000000400000-0x000000000045C000-memory.dmp

memory/2416-8-0x00000000004B0000-0x00000000004B1000-memory.dmp

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

MD5 4716dbab6f2ab2afcbaf76db5f0b38c9
SHA1 9ff921c8611055814c46c2f6040cc4212879907b
SHA256 14e6269329dc675b9c53db477169c352464cdcbf50d9653a22620720fcfd6573
SHA512 3ceb67375c9023369d37b78cc52157c6c3c540b3aef9dc470ccd562b9046a3883fc27a7f193550230987927db461d7e7b0a8cddfec12f45817268499bb78d02d

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

MD5 bd4faaf69591bf02721b0752c2e18b12
SHA1 f749b0581d35ba26ac1bf3ce38c12f75075f7adc
SHA256 a01fdcec0d9606afcde3ad342523e773b4573060ba0aa944d1d94273e62f6087
SHA512 7e814e8366770369da7130605ee5ac3e8149f27cc51124c86760b5a62adc90f1270ef7875b9aecda57033dae35632b57c916d011e5923328d56eecd8ea56c689

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FQRZN8O7\suggestions[1].en-US

MD5 5a34cb996293fde2cb7a4ac89587393a
SHA1 3c96c993500690d1a77873cd62bc639b3a10653f
SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512 e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee