Malware Analysis Report

2024-10-23 19:42

Sample ID 240125-vwzghsbec3
Target documents.rar
SHA256 adf9f5338648833c0b4bf2e10f1132340bd0cb7b8e1141c5b723bc95c82794d0
Tags
darkcloud stealer kinsing loader
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

adf9f5338648833c0b4bf2e10f1132340bd0cb7b8e1141c5b723bc95c82794d0

Threat Level: Known bad

The file documents.rar was found to be: Known bad.

Malicious Activity Summary

darkcloud stealer kinsing loader

DarkCloud

Kinsing

Checks computer location settings

Suspicious use of SetThreadContext

Enumerates physical storage devices

Unsigned PE

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-25 17:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-25 17:21

Reported

2024-01-25 17:23

Platform

win7-20231215-en

Max time kernel

135s

Max time network

122s

Command Line

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

Signatures

DarkCloud

stealer darkcloud

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2232 set thread context of 2788 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Users\Admin\AppData\Local\Temp\documents.exe

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\documents.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2232 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2232 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2232 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2232 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2232 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Windows\SysWOW64\schtasks.exe
PID 2232 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Windows\SysWOW64\schtasks.exe
PID 2232 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Windows\SysWOW64\schtasks.exe
PID 2232 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Windows\SysWOW64\schtasks.exe
PID 2232 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Users\Admin\AppData\Local\Temp\documents.exe
PID 2232 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Users\Admin\AppData\Local\Temp\documents.exe
PID 2232 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Users\Admin\AppData\Local\Temp\documents.exe
PID 2232 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Users\Admin\AppData\Local\Temp\documents.exe
PID 2232 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Users\Admin\AppData\Local\Temp\documents.exe
PID 2232 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Users\Admin\AppData\Local\Temp\documents.exe
PID 2232 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Users\Admin\AppData\Local\Temp\documents.exe
PID 2232 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Users\Admin\AppData\Local\Temp\documents.exe
PID 2232 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Users\Admin\AppData\Local\Temp\documents.exe

Processes

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

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

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XDtKGBXwHkOLmY.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XDtKGBXwHkOLmY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp78E7.tmp"

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

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

Network

N/A

Files

memory/2232-0-0x0000000000CC0000-0x0000000000DAA000-memory.dmp

memory/2232-1-0x0000000074170000-0x000000007485E000-memory.dmp

memory/2232-2-0x00000000071C0000-0x0000000007200000-memory.dmp

memory/2232-3-0x00000000001F0000-0x0000000000204000-memory.dmp

memory/2232-4-0x0000000000230000-0x0000000000238000-memory.dmp

memory/2232-5-0x0000000000240000-0x000000000024C000-memory.dmp

memory/2232-6-0x0000000004850000-0x00000000048F2000-memory.dmp

memory/2232-7-0x0000000074170000-0x000000007485E000-memory.dmp

memory/2232-8-0x00000000071C0000-0x0000000007200000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp78E7.tmp

MD5 289b83b32fbe94c5cc88b381446e27e0
SHA1 13049f55ce5b54baaa94ef899f755737d1e25048
SHA256 90c80f0d01993487b2399d501105aa8c00acfb21e1edd6fc194722f0e9f32746
SHA512 f000eefe6afb949518e7b534cbc12a5fb4edd7996fe4bf49edea5f0f8852c4b20c9a7fc69b47299268654f21ad2b5c908ea3f26038486fcbd326386ee9715830

memory/2788-17-0x0000000000400000-0x0000000000463000-memory.dmp

memory/2788-18-0x0000000000400000-0x0000000000463000-memory.dmp

memory/2788-16-0x0000000000400000-0x0000000000463000-memory.dmp

memory/2788-22-0x0000000000400000-0x0000000000463000-memory.dmp

memory/2788-24-0x0000000000400000-0x0000000000463000-memory.dmp

memory/2788-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2232-27-0x0000000074170000-0x000000007485E000-memory.dmp

memory/2740-26-0x000000006E510000-0x000000006EABB000-memory.dmp

memory/2740-29-0x0000000002870000-0x00000000028B0000-memory.dmp

memory/2740-30-0x000000006E510000-0x000000006EABB000-memory.dmp

memory/2788-32-0x0000000000400000-0x0000000000463000-memory.dmp

memory/2740-31-0x0000000002870000-0x00000000028B0000-memory.dmp

memory/2740-33-0x000000006E510000-0x000000006EABB000-memory.dmp

memory/2788-34-0x0000000000400000-0x0000000000463000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-25 17:21

Reported

2024-01-25 17:23

Platform

win10v2004-20231215-en

Max time kernel

136s

Max time network

131s

Command Line

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

Signatures

DarkCloud

stealer darkcloud

Kinsing

loader kinsing

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\documents.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3804 set thread context of 1636 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Users\Admin\AppData\Local\Temp\documents.exe

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\documents.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3804 wrote to memory of 3472 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3804 wrote to memory of 3472 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3804 wrote to memory of 3472 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 3804 wrote to memory of 60 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Windows\SysWOW64\schtasks.exe
PID 3804 wrote to memory of 60 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Windows\SysWOW64\schtasks.exe
PID 3804 wrote to memory of 60 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Windows\SysWOW64\schtasks.exe
PID 3804 wrote to memory of 1636 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Users\Admin\AppData\Local\Temp\documents.exe
PID 3804 wrote to memory of 1636 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Users\Admin\AppData\Local\Temp\documents.exe
PID 3804 wrote to memory of 1636 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Users\Admin\AppData\Local\Temp\documents.exe
PID 3804 wrote to memory of 1636 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Users\Admin\AppData\Local\Temp\documents.exe
PID 3804 wrote to memory of 1636 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Users\Admin\AppData\Local\Temp\documents.exe
PID 3804 wrote to memory of 1636 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Users\Admin\AppData\Local\Temp\documents.exe
PID 3804 wrote to memory of 1636 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Users\Admin\AppData\Local\Temp\documents.exe
PID 3804 wrote to memory of 1636 N/A C:\Users\Admin\AppData\Local\Temp\documents.exe C:\Users\Admin\AppData\Local\Temp\documents.exe

Processes

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

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

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XDtKGBXwHkOLmY.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XDtKGBXwHkOLmY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB026.tmp"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 114.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp

Files

memory/3804-0-0x0000000000AC0000-0x0000000000BAA000-memory.dmp

memory/3804-1-0x0000000074DB0000-0x0000000075560000-memory.dmp

memory/3804-2-0x0000000007F20000-0x00000000084C4000-memory.dmp

memory/3804-3-0x0000000007A60000-0x0000000007AF2000-memory.dmp

memory/3804-4-0x0000000007C80000-0x0000000007C90000-memory.dmp

memory/3804-5-0x0000000007B20000-0x0000000007B2A000-memory.dmp

memory/3804-7-0x00000000090F0000-0x000000000918C000-memory.dmp

memory/3804-6-0x0000000002F80000-0x0000000002F94000-memory.dmp

memory/3804-8-0x0000000007C60000-0x0000000007C68000-memory.dmp

memory/3804-9-0x0000000007C70000-0x0000000007C7C000-memory.dmp

memory/3804-10-0x000000000A5E0000-0x000000000A682000-memory.dmp

memory/3804-11-0x0000000074DB0000-0x0000000075560000-memory.dmp

memory/3804-12-0x0000000007C80000-0x0000000007C90000-memory.dmp

memory/3472-19-0x00000000012D0000-0x00000000012E0000-memory.dmp

memory/3472-18-0x0000000074DB0000-0x0000000075560000-memory.dmp

memory/3472-17-0x0000000002B60000-0x0000000002B96000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpB026.tmp

MD5 8a212e2bc67d569f3d28b5890221914c
SHA1 c1b73b6f6dfd82425f730a02a92a4fe20e357f48
SHA256 fab21eeebd810a1c09932710d6b1bf98dfcfe4159ad202cf359cfbf8661c2983
SHA512 811a265aaef7bb00187fe047fa2b0638cd6d955101e269d61e03a206b26df25d4e2162b8da9fea2321bd05cd8ca47416fb515e23100869e1402e84488235b66e

memory/3472-21-0x0000000005540000-0x0000000005B68000-memory.dmp

memory/1636-22-0x0000000000400000-0x0000000000463000-memory.dmp

memory/3472-24-0x00000000054B0000-0x00000000054D2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ybbdasuw.voj.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/3472-26-0x0000000005CE0000-0x0000000005D46000-memory.dmp

memory/1636-25-0x0000000000400000-0x0000000000463000-memory.dmp

memory/3472-33-0x0000000005E40000-0x0000000005EA6000-memory.dmp

memory/3804-38-0x0000000074DB0000-0x0000000075560000-memory.dmp

memory/3472-41-0x0000000006110000-0x0000000006464000-memory.dmp

memory/3472-42-0x0000000006490000-0x00000000064AE000-memory.dmp

memory/3472-43-0x00000000064B0000-0x00000000064FC000-memory.dmp

memory/3472-56-0x0000000006A20000-0x0000000006A3E000-memory.dmp

memory/3472-46-0x0000000075640000-0x000000007568C000-memory.dmp

memory/3472-58-0x0000000007470000-0x0000000007513000-memory.dmp

memory/3472-57-0x00000000012D0000-0x00000000012E0000-memory.dmp

memory/3472-45-0x0000000006A40000-0x0000000006A72000-memory.dmp

memory/3472-44-0x000000007FA80000-0x000000007FA90000-memory.dmp

memory/3472-59-0x0000000007DF0000-0x000000000846A000-memory.dmp

memory/3472-60-0x00000000077B0000-0x00000000077CA000-memory.dmp

memory/3472-61-0x0000000007820000-0x000000000782A000-memory.dmp

memory/3472-62-0x0000000007A30000-0x0000000007AC6000-memory.dmp

memory/3472-63-0x00000000079B0000-0x00000000079C1000-memory.dmp

memory/3472-64-0x00000000079E0000-0x00000000079EE000-memory.dmp

memory/3472-66-0x0000000007AF0000-0x0000000007B0A000-memory.dmp

memory/3472-65-0x00000000079F0000-0x0000000007A04000-memory.dmp

memory/3472-67-0x0000000007AD0000-0x0000000007AD8000-memory.dmp

memory/3472-70-0x0000000074DB0000-0x0000000075560000-memory.dmp

memory/1636-71-0x0000000000400000-0x0000000000463000-memory.dmp