Malware Analysis Report

2025-01-03 05:08

Sample ID 230909-gk5x9shf49
Target Stub.exe
SHA256 73971baad302c2025a9cede6800b2e811600b17ded2f7ef4782a83bfdc687b9b
Tags
bitrat xenarmor collection password recovery spyware stealer trojan upx
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

73971baad302c2025a9cede6800b2e811600b17ded2f7ef4782a83bfdc687b9b

Threat Level: Known bad

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

Malicious Activity Summary

bitrat xenarmor collection password recovery spyware stealer trojan upx

Bitrat family

XenArmor Suite

BitRAT

Reads user/profile data of local email clients

ACProtect 1.3x - 1.4x DLL software

Reads local data of messenger clients

UPX packed file

Loads dropped DLL

Reads user/profile data of web browsers

Reads data files stored by FTP clients

Accesses Microsoft Outlook accounts

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-09-09 05:52

Signatures

Bitrat family

bitrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-09 05:52

Reported

2023-09-09 05:55

Platform

win7-20230831-en

Max time kernel

148s

Max time network

150s

Command Line

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

Signatures

BitRAT

trojan bitrat

XenArmor Suite

recovery password xenarmor

ACProtect 1.3x - 1.4x DLL software

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe N/A

Reads data files stored by FTP clients

spyware stealer

Reads local data of messenger clients

spyware stealer

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Accesses Microsoft Outlook accounts

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts C:\Users\Admin\AppData\Local\Temp\Stub.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2932 set thread context of 2644 N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe C:\Users\Admin\AppData\Local\Temp\Stub.exe
PID 2644 set thread context of 2172 N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe C:\Users\Admin\AppData\Local\Temp\Stub.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2932 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe C:\Users\Admin\AppData\Local\Temp\Stub.exe
PID 2932 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe C:\Users\Admin\AppData\Local\Temp\Stub.exe
PID 2932 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe C:\Users\Admin\AppData\Local\Temp\Stub.exe
PID 2932 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe C:\Users\Admin\AppData\Local\Temp\Stub.exe
PID 2932 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe C:\Users\Admin\AppData\Local\Temp\Stub.exe
PID 2932 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe C:\Users\Admin\AppData\Local\Temp\Stub.exe
PID 2932 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe C:\Users\Admin\AppData\Local\Temp\Stub.exe
PID 2932 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe C:\Users\Admin\AppData\Local\Temp\Stub.exe
PID 2644 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe C:\Users\Admin\AppData\Local\Temp\Stub.exe
PID 2644 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe C:\Users\Admin\AppData\Local\Temp\Stub.exe
PID 2644 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe C:\Users\Admin\AppData\Local\Temp\Stub.exe
PID 2644 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe C:\Users\Admin\AppData\Local\Temp\Stub.exe
PID 2644 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe C:\Users\Admin\AppData\Local\Temp\Stub.exe
PID 2644 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe C:\Users\Admin\AppData\Local\Temp\Stub.exe
PID 2644 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe C:\Users\Admin\AppData\Local\Temp\Stub.exe
PID 2644 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe C:\Users\Admin\AppData\Local\Temp\Stub.exe

Processes

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

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

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

-a "C:\Users\Admin\AppData\Local\d5b5fbb4\plg\lyQCgVl7.json"

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

-a "C:\Users\Admin\AppData\Local\Temp\unk.xml"

Network

Country Destination Domain Proto
US 8.8.8.8:53 moonli.ddnsking.com udp
BG 193.42.32.25:1234 moonli.ddnsking.com tcp
BG 193.42.32.25:1234 moonli.ddnsking.com tcp
US 8.8.8.8:53 www.xenarmor.com udp
US 69.64.94.128:80 www.xenarmor.com tcp
BG 193.42.32.25:1234 moonli.ddnsking.com tcp
US 8.8.8.8:53 moonli.ddnsking.com udp
US 8.8.8.8:53 moonli.ddnsking.com udp

Files

memory/2932-0-0x0000000000400000-0x00000000007CE000-memory.dmp

memory/2932-1-0x0000000000240000-0x000000000024A000-memory.dmp

memory/2932-2-0x0000000000240000-0x000000000024A000-memory.dmp

memory/2932-3-0x0000000000240000-0x000000000024A000-memory.dmp

memory/2932-4-0x0000000000240000-0x000000000024A000-memory.dmp

memory/2644-7-0x0000000000400000-0x00000000008DC000-memory.dmp

memory/2644-9-0x0000000000400000-0x00000000008DC000-memory.dmp

memory/2644-11-0x0000000000400000-0x00000000008DC000-memory.dmp

memory/2644-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2644-15-0x0000000000400000-0x00000000008DC000-memory.dmp

memory/2644-17-0x0000000000400000-0x00000000008DC000-memory.dmp

memory/2644-19-0x0000000000400000-0x00000000008DC000-memory.dmp

memory/2644-18-0x0000000000400000-0x00000000008DC000-memory.dmp

memory/2644-20-0x0000000000400000-0x00000000008DC000-memory.dmp

memory/2172-44-0x0000000000400000-0x00000000006FE000-memory.dmp

memory/2172-46-0x0000000000400000-0x00000000006FE000-memory.dmp

memory/2172-48-0x0000000000400000-0x00000000006FE000-memory.dmp

memory/2172-52-0x0000000000400000-0x00000000006FE000-memory.dmp

memory/2172-53-0x0000000000400000-0x00000000006FE000-memory.dmp

memory/2172-55-0x0000000000400000-0x00000000006FE000-memory.dmp

memory/2172-57-0x0000000000400000-0x00000000006FE000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\License.XenArmor

MD5 4f3bde9212e17ef18226866d6ac739b6
SHA1 732733bec8314beb81437e60876ffa75e72ae6cd
SHA256 212173a405c78d70f90e8ec0699a60ed2f4a9f3a8070de62eabd666c268fb174
SHA512 10b7cdae0b9a7b0f8e1bfc66a60675fa9b25c523864d5ae3da243f4e6e4c5194f3bd92af57ac956157442f66414bdd3393d0a1e5ba4ef0f192561e8524d4e744

\Users\Admin\AppData\Local\Temp\Unknown.dll

MD5 86114faba7e1ec4a667d2bcb2e23f024
SHA1 670df6e1ba1dc6bece046e8b2e573dd36748245e
SHA256 568da887725ccfdc4c5aae3ff66792fe60eca4e0818338f6a8434be66a6fe46d
SHA512 d26ee0da6ccd4022982cf848c46e40f6781b667e39d0c5daf5ea8d74c44e55c55a5f7590a4d2a60aa1911358ca783c4276a9b4e6311c4cea20df1ebd4f7f457f

memory/2172-58-0x0000000000400000-0x00000000006FE000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Unknown.dll

MD5 86114faba7e1ec4a667d2bcb2e23f024
SHA1 670df6e1ba1dc6bece046e8b2e573dd36748245e
SHA256 568da887725ccfdc4c5aae3ff66792fe60eca4e0818338f6a8434be66a6fe46d
SHA512 d26ee0da6ccd4022982cf848c46e40f6781b667e39d0c5daf5ea8d74c44e55c55a5f7590a4d2a60aa1911358ca783c4276a9b4e6311c4cea20df1ebd4f7f457f

memory/2172-62-0x0000000010000000-0x0000000010227000-memory.dmp

memory/2644-64-0x0000000000400000-0x00000000008DC000-memory.dmp

memory/2172-73-0x0000000000400000-0x00000000006FE000-memory.dmp

memory/2172-75-0x0000000010000000-0x0000000010227000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\unk.xml

MD5 67efe59fbf8aaf3e8de7d67dab21c2a7
SHA1 0869d3ea3b16639ed4a0803acea1c476e199b16c
SHA256 63ca5c5c3cf4be4765115926225c060d89ef54d6f6fc3ec284cb3ecb398b0cb1
SHA512 75f162ff2cc23dd7df018109264f157727fdecc869e3f493e4d0bed26b4429ab00fc9724a5ea420488ba1b4b102a07992357c0d3567c7acea6dd5333cd8cebbb

C:\Users\Admin\AppData\Local\Temp\License.XenArmor

MD5 bf5da170f7c9a8eae88d1cb1a191ff80
SHA1 dd1b991a1b03587a5d1edc94e919a2070e325610
SHA256 e5d5110feb21939d82d962981aeaaafc4643b40a9b87cbed800ace82135d57cd
SHA512 9e32247d8556fd6efffbf7b6b9c325652d8c4b223b0fa38020879171476a49ab1f64d8897b5d8d92b79c5484fd9d5899be26ca5f664ee1f9c2acb0857084121e

memory/2644-99-0x0000000000400000-0x00000000008DC000-memory.dmp

C:\Users\Admin\AppData\Local\d5b5fbb4\plg\lyQCgVl7.json

MD5 67efe59fbf8aaf3e8de7d67dab21c2a7
SHA1 0869d3ea3b16639ed4a0803acea1c476e199b16c
SHA256 63ca5c5c3cf4be4765115926225c060d89ef54d6f6fc3ec284cb3ecb398b0cb1
SHA512 75f162ff2cc23dd7df018109264f157727fdecc869e3f493e4d0bed26b4429ab00fc9724a5ea420488ba1b4b102a07992357c0d3567c7acea6dd5333cd8cebbb

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-09 05:52

Reported

2023-09-09 05:55

Platform

win10v2004-20230831-en

Max time kernel

140s

Max time network

148s

Command Line

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

Signatures

BitRAT

trojan bitrat

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Stub.exe N/A

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.136.104.51.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 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 moonli.ddnsking.com udp
BG 193.42.32.25:1234 moonli.ddnsking.com tcp
US 8.8.8.8:53 25.32.42.193.in-addr.arpa udp
BG 193.42.32.25:1234 moonli.ddnsking.com tcp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 8.173.189.20.in-addr.arpa udp

Files

memory/3708-0-0x0000000000400000-0x00000000007CE000-memory.dmp

memory/3708-1-0x00000000743B0000-0x00000000743E9000-memory.dmp

memory/3708-2-0x0000000074730000-0x0000000074769000-memory.dmp

memory/3708-3-0x00000000743B0000-0x00000000743E9000-memory.dmp

memory/3708-4-0x0000000074730000-0x0000000074769000-memory.dmp