gootloader | 79caf357853137fc47f9467ddac92602207dcf9775fd07db5cafaf2874f6d20f

Resubmissions

20-09-2024 13:16

240920-qh5n6ayakf 10

20-09-2024 12:26

240920-pmlw6swgmr 10

Analysis

max time kernel
1188s
max time network
855s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
20-09-2024 12:26

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General

Target

GREENH~1.js
Size

45.6MB
MD5

242b497332d9530865c2f289142ee316
SHA1

929d35e1b006a260bc5db0d29460bcfcf6b3c7e6
SHA256

79caf357853137fc47f9467ddac92602207dcf9775fd07db5cafaf2874f6d20f
SHA512

c04f71d9249d3302b91b41138297a4bee889d79d241f1ebde08ca31cc909daba2ef39c6b9d2c8e9f5ef591e5b0f93c6083db6b1d0a3da80453a91e18b60b2f88
SSDEEP

3072:eW9W9W9W9W9W9W9W9W9W9W9W9W9W9W9W9W9W9W9W9W9W9W9W9W9W9W9W9W9W9W9f:b

Score

10^/10

gootloader execution loader

Malware Config

Signatures

GootLoader
JavaScript loader known for delivering other families such as Gootkit and Cobaltstrike.
loader gootloader

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow	pid	Process
34	3680	powershell.exe

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Modifies registry class 2 IoCs

Processes:

powershell.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-873560699-1074803302-2326074425-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	powershell.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance	powershell.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid	Process
4100	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

powershell.exe

pid	Process
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe
3680	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exe

description	pid	Process
Token: SeDebugPrivilege	3680	powershell.exe
Token: SeIncreaseQuotaPrivilege	3680	powershell.exe
Token: SeSecurityPrivilege	3680	powershell.exe
Token: SeTakeOwnershipPrivilege	3680	powershell.exe
Token: SeLoadDriverPrivilege	3680	powershell.exe
Token: SeSystemProfilePrivilege	3680	powershell.exe
Token: SeSystemtimePrivilege	3680	powershell.exe
Token: SeProfSingleProcessPrivilege	3680	powershell.exe
Token: SeIncBasePriorityPrivilege	3680	powershell.exe
Token: SeCreatePagefilePrivilege	3680	powershell.exe
Token: SeBackupPrivilege	3680	powershell.exe
Token: SeRestorePrivilege	3680	powershell.exe
Token: SeShutdownPrivilege	3680	powershell.exe
Token: SeDebugPrivilege	3680	powershell.exe
Token: SeSystemEnvironmentPrivilege	3680	powershell.exe
Token: SeRemoteShutdownPrivilege	3680	powershell.exe
Token: SeUndockPrivilege	3680	powershell.exe
Token: SeManageVolumePrivilege	3680	powershell.exe
Token: 33	3680	powershell.exe
Token: 34	3680	powershell.exe
Token: 35	3680	powershell.exe
Token: 36	3680	powershell.exe
Token: SeIncreaseQuotaPrivilege	3680	powershell.exe
Token: SeSecurityPrivilege	3680	powershell.exe
Token: SeTakeOwnershipPrivilege	3680	powershell.exe
Token: SeLoadDriverPrivilege	3680	powershell.exe
Token: SeSystemProfilePrivilege	3680	powershell.exe
Token: SeSystemtimePrivilege	3680	powershell.exe
Token: SeProfSingleProcessPrivilege	3680	powershell.exe
Token: SeIncBasePriorityPrivilege	3680	powershell.exe
Token: SeCreatePagefilePrivilege	3680	powershell.exe
Token: SeBackupPrivilege	3680	powershell.exe
Token: SeRestorePrivilege	3680	powershell.exe
Token: SeShutdownPrivilege	3680	powershell.exe
Token: SeDebugPrivilege	3680	powershell.exe
Token: SeSystemEnvironmentPrivilege	3680	powershell.exe
Token: SeRemoteShutdownPrivilege	3680	powershell.exe
Token: SeUndockPrivilege	3680	powershell.exe
Token: SeManageVolumePrivilege	3680	powershell.exe
Token: 33	3680	powershell.exe
Token: 34	3680	powershell.exe
Token: 35	3680	powershell.exe
Token: 36	3680	powershell.exe
Token: SeIncreaseQuotaPrivilege	3680	powershell.exe
Token: SeSecurityPrivilege	3680	powershell.exe
Token: SeTakeOwnershipPrivilege	3680	powershell.exe
Token: SeLoadDriverPrivilege	3680	powershell.exe
Token: SeSystemProfilePrivilege	3680	powershell.exe
Token: SeSystemtimePrivilege	3680	powershell.exe
Token: SeProfSingleProcessPrivilege	3680	powershell.exe
Token: SeIncBasePriorityPrivilege	3680	powershell.exe
Token: SeCreatePagefilePrivilege	3680	powershell.exe
Token: SeBackupPrivilege	3680	powershell.exe
Token: SeRestorePrivilege	3680	powershell.exe
Token: SeShutdownPrivilege	3680	powershell.exe
Token: SeDebugPrivilege	3680	powershell.exe
Token: SeSystemEnvironmentPrivilege	3680	powershell.exe
Token: SeRemoteShutdownPrivilege	3680	powershell.exe
Token: SeUndockPrivilege	3680	powershell.exe
Token: SeManageVolumePrivilege	3680	powershell.exe
Token: 33	3680	powershell.exe
Token: 34	3680	powershell.exe
Token: 35	3680	powershell.exe
Token: 36	3680	powershell.exe

Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

EXCEL.EXE

pid	Process
4100	EXCEL.EXE
4100	EXCEL.EXE
4100	EXCEL.EXE
4100	EXCEL.EXE
4100	EXCEL.EXE
4100	EXCEL.EXE
4100	EXCEL.EXE
4100	EXCEL.EXE
4100	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

wscript.execscript.exe

description	pid	Process	procid_target
PID 4472 wrote to memory of 5112	4472	wscript.exe	75
PID 4472 wrote to memory of 5112	4472	wscript.exe	75
PID 5112 wrote to memory of 3680	5112	cscript.exe	77
PID 5112 wrote to memory of 3680	5112	cscript.exe	77

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\GREENH~1.js
1⤵
- Suspicious use of WriteProcessMemory
PID:4472
- C:\Windows\System32\cscript.exe
  "C:\Windows\System32\cscript.exe" "GREENH~1.js"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5112
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell
    3⤵
    - Blocklisted process makes network request
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3680

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\Desktop\PushImport.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qev14f11.xgy.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
memory/3680-4-0x000001B81DE60000-0x000001B81DE82000-memory.dmp

Filesize
136KB

Download
memory/3680-31-0x000001B81E0F0000-0x000001B81E12C000-memory.dmp

Filesize
240KB

Download
memory/3680-42-0x000001B81E510000-0x000001B81E586000-memory.dmp

Filesize
472KB

Download
memory/3680-863-0x000001B81E7A0000-0x000001B81E7C2000-memory.dmp

Filesize
136KB

Download
memory/3680-844-0x000001B81E7A0000-0x000001B81E7CA000-memory.dmp

Filesize
168KB

Download
memory/4100-534-0x00007FFAE0740000-0x00007FFAE0750000-memory.dmp

Filesize
64KB

Download
memory/4100-531-0x00007FFAE34B0000-0x00007FFAE34C0000-memory.dmp

Filesize
64KB

Download
memory/4100-530-0x00007FFAE34B0000-0x00007FFAE34C0000-memory.dmp

Filesize
64KB

Download
memory/4100-535-0x00007FFAE0740000-0x00007FFAE0750000-memory.dmp

Filesize
64KB

Download
memory/4100-529-0x00007FFAE34B0000-0x00007FFAE34C0000-memory.dmp

Filesize
64KB

Download
memory/4100-528-0x00007FFAE34B0000-0x00007FFAE34C0000-memory.dmp

Filesize
64KB

Download
memory/4100-915-0x00007FFAE34B0000-0x00007FFAE34C0000-memory.dmp

Filesize
64KB

Download
memory/4100-917-0x00007FFAE34B0000-0x00007FFAE34C0000-memory.dmp

Filesize
64KB

Download
memory/4100-918-0x00007FFAE34B0000-0x00007FFAE34C0000-memory.dmp

Filesize
64KB

Download
memory/4100-916-0x00007FFAE34B0000-0x00007FFAE34C0000-memory.dmp

Filesize
64KB

Download