gootloader | 3a209319edbfdec545d2402efc37f7aa08d840428f462c9380c9a99067629712

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15/03/2024, 14:53

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General

Target

legal number of consecutive work days 43631.js
Size

22.5MB
MD5

2ed843b73f6c955944b79b6f1bda1718
SHA1

99c094ea7c2583050e807c71e8850243cd7f1132
SHA256

76e41bfaf09fd017709ff42b930de5605d7552439dd8427321bfd3b5a0770fbb
SHA512

2e095d8f5d656a8f3e7d4e8c745b07a6d5a242b93d5a5cf61c2c7f301e7679543a600b8a7b7a4a689204229e619ec683c489725a84339761ff7aa7c1749f8075
SSDEEP

49152:N7BSzjCxbRqHlp4NIuN0EchwxhC8ztYzYBIVa+8Zis3xD/GCqGpYn3qu9Q6g6cE9:C

Score

10^/10

gootloader loader

Malware Config

Signatures

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

Blocklisted process makes network request 2 IoCs

flow	pid	Process
77	4884	powershell.exe
80	4884	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\International\Geo\Nation	wscript.EXE

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

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	powershell.exe
Key created	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	powershell.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4884	powershell.exe
4884	powershell.exe
4884	powershell.exe
4884	powershell.exe
4884	powershell.exe
4884	powershell.exe
4884	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4884	powershell.exe
Token: SeIncreaseQuotaPrivilege	4884	powershell.exe
Token: SeSecurityPrivilege	4884	powershell.exe
Token: SeTakeOwnershipPrivilege	4884	powershell.exe
Token: SeLoadDriverPrivilege	4884	powershell.exe
Token: SeSystemProfilePrivilege	4884	powershell.exe
Token: SeSystemtimePrivilege	4884	powershell.exe
Token: SeProfSingleProcessPrivilege	4884	powershell.exe
Token: SeIncBasePriorityPrivilege	4884	powershell.exe
Token: SeCreatePagefilePrivilege	4884	powershell.exe
Token: SeBackupPrivilege	4884	powershell.exe
Token: SeRestorePrivilege	4884	powershell.exe
Token: SeShutdownPrivilege	4884	powershell.exe
Token: SeDebugPrivilege	4884	powershell.exe
Token: SeSystemEnvironmentPrivilege	4884	powershell.exe
Token: SeRemoteShutdownPrivilege	4884	powershell.exe
Token: SeUndockPrivilege	4884	powershell.exe
Token: SeManageVolumePrivilege	4884	powershell.exe
Token: 33	4884	powershell.exe
Token: 34	4884	powershell.exe
Token: 35	4884	powershell.exe
Token: 36	4884	powershell.exe
Token: SeIncreaseQuotaPrivilege	4884	powershell.exe
Token: SeSecurityPrivilege	4884	powershell.exe
Token: SeTakeOwnershipPrivilege	4884	powershell.exe
Token: SeLoadDriverPrivilege	4884	powershell.exe
Token: SeSystemProfilePrivilege	4884	powershell.exe
Token: SeSystemtimePrivilege	4884	powershell.exe
Token: SeProfSingleProcessPrivilege	4884	powershell.exe
Token: SeIncBasePriorityPrivilege	4884	powershell.exe
Token: SeCreatePagefilePrivilege	4884	powershell.exe
Token: SeBackupPrivilege	4884	powershell.exe
Token: SeRestorePrivilege	4884	powershell.exe
Token: SeShutdownPrivilege	4884	powershell.exe
Token: SeDebugPrivilege	4884	powershell.exe
Token: SeSystemEnvironmentPrivilege	4884	powershell.exe
Token: SeRemoteShutdownPrivilege	4884	powershell.exe
Token: SeUndockPrivilege	4884	powershell.exe
Token: SeManageVolumePrivilege	4884	powershell.exe
Token: 33	4884	powershell.exe
Token: 34	4884	powershell.exe
Token: 35	4884	powershell.exe
Token: 36	4884	powershell.exe
Token: SeIncreaseQuotaPrivilege	4884	powershell.exe
Token: SeSecurityPrivilege	4884	powershell.exe
Token: SeTakeOwnershipPrivilege	4884	powershell.exe
Token: SeLoadDriverPrivilege	4884	powershell.exe
Token: SeSystemProfilePrivilege	4884	powershell.exe
Token: SeSystemtimePrivilege	4884	powershell.exe
Token: SeProfSingleProcessPrivilege	4884	powershell.exe
Token: SeIncBasePriorityPrivilege	4884	powershell.exe
Token: SeCreatePagefilePrivilege	4884	powershell.exe
Token: SeBackupPrivilege	4884	powershell.exe
Token: SeRestorePrivilege	4884	powershell.exe
Token: SeShutdownPrivilege	4884	powershell.exe
Token: SeDebugPrivilege	4884	powershell.exe
Token: SeSystemEnvironmentPrivilege	4884	powershell.exe
Token: SeRemoteShutdownPrivilege	4884	powershell.exe
Token: SeUndockPrivilege	4884	powershell.exe
Token: SeManageVolumePrivilege	4884	powershell.exe
Token: 33	4884	powershell.exe
Token: 34	4884	powershell.exe
Token: 35	4884	powershell.exe
Token: 36	4884	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 2008	2064	wscript.EXE	112
PID 2064 wrote to memory of 2008	2064	wscript.EXE	112
PID 2008 wrote to memory of 4884	2008	cscript.exe	117
PID 2008 wrote to memory of 4884	2008	cscript.exe	117

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\legal number of consecutive work days 43631.js"
1⤵
PID:1860

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3980 --field-trial-handle=3084,i,14217130992253490921,11543335378077656547,262144 --variations-seed-version /prefetch:8
1⤵
PID:4452

C:\Windows\system32\wscript.EXE
C:\Windows\system32\wscript.EXE REALES~1.JS
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2064
- C:\Windows\System32\cscript.exe
  "C:\Windows\System32\cscript.exe" "REALES~1.JS"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2008
- - 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:4884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2q2s3i4m.fot.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\REALES~1.JS

Filesize
24.1MB

MD5
eba56bba396c654934aa267a84dc8b08

SHA1
ff18fd7830559467c5984a134baecd352e71cb8c

SHA256
a9549484794761f196ea726b2f477fcc28fefa33c42b6a28e76981b1c3d1196c

SHA512
39b9b87f3c60f29a0a1d73802845d125e488408cf1c1d8c5541ff693079a54d27e55021d2345a8c2b94d28407e0093b8392ca1cae3ded4a3164bde4bc8323a8f

Download Submit
memory/4884-18-0x0000021728160000-0x0000021728170000-memory.dmp

Filesize
64KB

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memory/4884-20-0x0000021728A10000-0x0000021728A34000-memory.dmp

Filesize
144KB

Download
memory/4884-6-0x0000021728160000-0x0000021728170000-memory.dmp

Filesize
64KB

Download
memory/4884-4-0x00007FFBB5EE0000-0x00007FFBB69A1000-memory.dmp

Filesize
10.8MB

Download
memory/4884-16-0x0000021728680000-0x00000217286C4000-memory.dmp

Filesize
272KB

Download
memory/4884-17-0x0000021728840000-0x00000217288B6000-memory.dmp

Filesize
472KB

Download
memory/4884-3-0x0000021728810000-0x0000021728832000-memory.dmp

Filesize
136KB

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memory/4884-5-0x0000021728160000-0x0000021728170000-memory.dmp

Filesize
64KB

Download
memory/4884-19-0x0000021728A10000-0x0000021728A3A000-memory.dmp

Filesize
168KB

Download
memory/4884-21-0x0000021728160000-0x0000021728170000-memory.dmp

Filesize
64KB

Download
memory/4884-23-0x00007FFBB5EE0000-0x00007FFBB69A1000-memory.dmp

Filesize
10.8MB

Download
memory/4884-24-0x0000021728160000-0x0000021728170000-memory.dmp

Filesize
64KB

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memory/4884-25-0x0000021728160000-0x0000021728170000-memory.dmp

Filesize
64KB

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memory/4884-26-0x0000021728160000-0x0000021728170000-memory.dmp

Filesize
64KB

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memory/4884-27-0x0000021728160000-0x0000021728170000-memory.dmp

Filesize
64KB

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memory/4884-28-0x0000021728160000-0x0000021728170000-memory.dmp

Filesize
64KB

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