Malware Analysis Report

2025-01-22 15:08

Sample ID 240204-zes1maabh7
Target BubbleGum.exe
SHA256 8e95e23ae63cb61ab1ccf577a9fdfc954a86909e0b56ffedba4991ceed2841f1
Tags
orcus rat spyware stealer
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

8e95e23ae63cb61ab1ccf577a9fdfc954a86909e0b56ffedba4991ceed2841f1

Threat Level: Known bad

The file BubbleGum.exe was found to be: Known bad.

Malicious Activity Summary

orcus rat spyware stealer

Orcus main payload

Orcus family

Orcus

Orcurs Rat Executable

Orcurs Rat Executable

Executes dropped EXE

Checks computer location settings

Drops file in System32 directory

Drops file in Program Files directory

Enumerates physical storage devices

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-04 20:38

Signatures

Orcurs Rat Executable

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

Orcus family

orcus

Orcus main payload

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

2024-02-04 20:38

Reported

2024-02-04 20:44

Platform

win10v2004-20231215-en

Max time kernel

309s

Max time network

317s

Command Line

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

Signatures

Orcus

rat spyware stealer orcus

Orcus main payload

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

Orcurs Rat Executable

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\BubbleGum.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsInput.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsInput.exe N/A
N/A N/A C:\Program Files (x86)\Orcus\Orcus.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\WindowsInput.InstallState C:\Windows\SysWOW64\WindowsInput.exe N/A
File created C:\Windows\SysWOW64\WindowsInput.exe C:\Users\Admin\AppData\Local\Temp\BubbleGum.exe N/A
File created C:\Windows\SysWOW64\WindowsInput.exe.config C:\Users\Admin\AppData\Local\Temp\BubbleGum.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\Orcus\Orcus.exe C:\Users\Admin\AppData\Local\Temp\BubbleGum.exe N/A
File opened for modification C:\Program Files (x86)\Orcus\Orcus.exe C:\Users\Admin\AppData\Local\Temp\BubbleGum.exe N/A
File created C:\Program Files (x86)\Orcus\Orcus.exe.config C:\Users\Admin\AppData\Local\Temp\BubbleGum.exe N/A

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

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

Suspicious use of SendNotifyMessage

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

Processes

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

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

C:\Windows\SysWOW64\WindowsInput.exe

"C:\Windows\SysWOW64\WindowsInput.exe" --install

C:\Windows\SysWOW64\WindowsInput.exe

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

C:\Program Files (x86)\Orcus\Orcus.exe

"C:\Program Files (x86)\Orcus\Orcus.exe"

Network

Country Destination Domain Proto
US 138.91.171.81:80 tcp
US 8.8.8.8:53 150.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 32.113.50.184.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
N/A 192.168.1.78:10134 tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
N/A 192.168.1.78:10134 tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 28.160.77.104.in-addr.arpa udp
N/A 192.168.1.78:10134 tcp
N/A 192.168.1.78:10134 tcp
N/A 192.168.1.78:10134 tcp
US 8.8.8.8:53 208.178.17.96.in-addr.arpa udp
N/A 192.168.1.78:10134 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
N/A 192.168.1.78:10134 tcp
N/A 192.168.1.78:10134 tcp
N/A 192.168.1.78:10134 tcp
N/A 192.168.1.78:10134 tcp
US 8.8.8.8:53 5.173.189.20.in-addr.arpa udp
N/A 192.168.1.78:10134 tcp
N/A 192.168.1.78:10134 tcp
N/A 192.168.1.78:10134 tcp
N/A 192.168.1.78:10134 tcp
N/A 192.168.1.78:10134 tcp
N/A 192.168.1.78:10134 tcp
N/A 192.168.1.78:10134 tcp
N/A 192.168.1.78:10134 tcp
N/A 192.168.1.78:10134 tcp
N/A 192.168.1.78:10134 tcp
N/A 192.168.1.78:10134 tcp
N/A 192.168.1.78:10134 tcp
N/A 192.168.1.78:10134 tcp

Files

memory/5064-0-0x0000000074870000-0x0000000075020000-memory.dmp

memory/5064-1-0x00000000005D0000-0x00000000006BA000-memory.dmp

memory/5064-2-0x00000000050A0000-0x00000000050B0000-memory.dmp

memory/5064-3-0x0000000000F70000-0x0000000000F7E000-memory.dmp

memory/5064-4-0x0000000002AD0000-0x0000000002B2C000-memory.dmp

memory/5064-5-0x00000000056F0000-0x0000000005C94000-memory.dmp

memory/5064-6-0x00000000051E0000-0x0000000005272000-memory.dmp

memory/5064-7-0x00000000056D0000-0x00000000056E2000-memory.dmp

memory/5064-8-0x0000000005CD0000-0x0000000005CF2000-memory.dmp

C:\Windows\SysWOW64\WindowsInput.exe

MD5 e6fcf516d8ed8d0d4427f86e08d0d435
SHA1 c7691731583ab7890086635cb7f3e4c22ca5e409
SHA256 8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337
SHA512 c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

C:\Windows\SysWOW64\WindowsInput.exe.config

MD5 a2b76cea3a59fa9af5ea21ff68139c98
SHA1 35d76475e6a54c168f536e30206578babff58274
SHA256 f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512 b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

memory/1164-22-0x0000000000CC0000-0x0000000000CCC000-memory.dmp

memory/1164-23-0x00007FFC9EB30000-0x00007FFC9F5F1000-memory.dmp

memory/1164-24-0x000000001B970000-0x000000001B980000-memory.dmp

memory/1164-26-0x0000000001410000-0x000000000144C000-memory.dmp

memory/1164-25-0x0000000001390000-0x00000000013A2000-memory.dmp

memory/1164-30-0x00007FFC9EB30000-0x00007FFC9F5F1000-memory.dmp

C:\Windows\SysWOW64\WindowsInput.exe

MD5 0c4688eb293c3f51ba22ab0c8237c710
SHA1 e4113a3998f783f6677a1dc1132804adfe0b1649
SHA256 d2e379e0cc4cc667079a33444c59e2116eca3665f0ce70ed49854a7ee5fbe050
SHA512 6b010d8ba44fd3a0e2497bb4adb32a4d23876ad3cf2682a34f4f58e24967162a2c10cdb089bcc10fddb532f91fee0809191b8f74a1a5978f9f88ce34e40eba64

memory/4240-32-0x00007FFC9EB30000-0x00007FFC9F5F1000-memory.dmp

memory/4240-33-0x0000000019B80000-0x0000000019B90000-memory.dmp

memory/4240-34-0x000000001A950000-0x000000001AA5A000-memory.dmp

C:\Program Files (x86)\Orcus\Orcus.exe

MD5 4106a07c7e59c57f1e15e1d10d751d5d
SHA1 c111e60621c8d355cc39b283215d98314ef1d95f
SHA256 410649daf2edce04b21dfdfe29cab1e9556edf96861a0de2c9555d23b6200f9b
SHA512 3f7070dd14bc4d86046b220a2527e92c51e65c650e9ec0f11a95d93aa364689b4a4bad0c0eb1ebeedb9d3087b3094c8d8fb42948a50680ca23f11c6ebd25eab7

memory/2512-50-0x0000000074870000-0x0000000075020000-memory.dmp

memory/2512-52-0x0000000004EF0000-0x0000000004F00000-memory.dmp

memory/5064-51-0x0000000074870000-0x0000000075020000-memory.dmp

C:\Program Files (x86)\Orcus\Orcus.exe

MD5 cb20febd96ea133dade394f5e7667fd9
SHA1 aef6af00e7843a2dc6e90d1f70170b9aae9a848c
SHA256 33c969c1ce9a9f5e31ce4d1621aeb2e772b9fc64da482568665998b5e21dccc3
SHA512 19006dd5e8dd66ad81119b54229b365bb04c1cf4aabb5b84a610f29bf360a4ee36fe75c557af97c715f8add94b1a314e89a7848e244663253178066ad9494c26

C:\Program Files (x86)\Orcus\Orcus.exe

MD5 748d9e7dded0fe4061365ef179edf7c2
SHA1 424e254d2994cc84e9fe25cfa4fa70e0525962f0
SHA256 8e95e23ae63cb61ab1ccf577a9fdfc954a86909e0b56ffedba4991ceed2841f1
SHA512 bbe3dd8e067c09e783410a230f1abf515e050ee6c88d9b3d6c25a7dda864d3fb94c1fab94ab315393330ec1d645af08571ebc2f8bff5f9db01d5e0e4f5d0ab9e

memory/2512-53-0x0000000005440000-0x000000000548E000-memory.dmp

memory/2512-54-0x0000000005A80000-0x0000000005A98000-memory.dmp

memory/2512-55-0x0000000005C30000-0x0000000005C48000-memory.dmp

memory/2512-56-0x0000000005DF0000-0x0000000005E00000-memory.dmp

memory/2512-57-0x0000000006120000-0x000000000612A000-memory.dmp

memory/4240-58-0x00007FFC9EB30000-0x00007FFC9F5F1000-memory.dmp

memory/4240-59-0x0000000019B80000-0x0000000019B90000-memory.dmp

memory/2512-60-0x0000000074870000-0x0000000075020000-memory.dmp

memory/2512-61-0x0000000004EF0000-0x0000000004F00000-memory.dmp