gootloader | 53d8c174d3df89c9646c0c338e6e21f7f4e26f1efc6591a1cbb48b6b7519a394

General

Target

union_of_taxation_employees_collective_agreement58499.js
Size

7.7MB
MD5

b825aaaf2a005841d197da69d1e19c18
SHA1

7f1c3d747138835c29cd19a44c4a78d4dd17aeaa
SHA256

53d8c174d3df89c9646c0c338e6e21f7f4e26f1efc6591a1cbb48b6b7519a394
SHA512

9e1087febe0d4646946b0ea0ef84f105f9c5e2247b86b77f465894a2dd4cdbf96e354317a6c98c5d432aeb9a80cf7692bf95ff7a3e5b9c9e92295b7237ece22b
SSDEEP

49152:Cl97FPV9cl97FPV9cl97FPV9cl97FPV9cl97FPV9cl97FPV9l:gPVEPVEPVEPVEPVEPVD

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 3 IoCs

Processes:

powershell.exe

flow pid process

51 2400 powershell.exe
67 2400 powershell.exe
70 2400 powershell.exe

flow	pid	process
51	2400	powershell.exe
67	2400	powershell.exe
70	2400	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

Processes:

wscript.EXE

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	wscript.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

Modifies registry class 2 IoCs

Processes:

powershell.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	powershell.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	powershell.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

powershell.exe

pid	process
2400	powershell.exe
2400	powershell.exe
2400	powershell.exe
2400	powershell.exe
2400	powershell.exe
2400	powershell.exe
2400	powershell.exe
2400	powershell.exe
2400	powershell.exe
2400	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exe

description	pid	process
Token: SeDebugPrivilege	2400	powershell.exe
Token: SeIncreaseQuotaPrivilege	2400	powershell.exe
Token: SeSecurityPrivilege	2400	powershell.exe
Token: SeTakeOwnershipPrivilege	2400	powershell.exe
Token: SeLoadDriverPrivilege	2400	powershell.exe
Token: SeSystemProfilePrivilege	2400	powershell.exe
Token: SeSystemtimePrivilege	2400	powershell.exe
Token: SeProfSingleProcessPrivilege	2400	powershell.exe
Token: SeIncBasePriorityPrivilege	2400	powershell.exe
Token: SeCreatePagefilePrivilege	2400	powershell.exe
Token: SeBackupPrivilege	2400	powershell.exe
Token: SeRestorePrivilege	2400	powershell.exe
Token: SeShutdownPrivilege	2400	powershell.exe
Token: SeDebugPrivilege	2400	powershell.exe
Token: SeSystemEnvironmentPrivilege	2400	powershell.exe
Token: SeRemoteShutdownPrivilege	2400	powershell.exe
Token: SeUndockPrivilege	2400	powershell.exe
Token: SeManageVolumePrivilege	2400	powershell.exe
Token: 33	2400	powershell.exe
Token: 34	2400	powershell.exe
Token: 35	2400	powershell.exe
Token: 36	2400	powershell.exe
Token: SeIncreaseQuotaPrivilege	2400	powershell.exe
Token: SeSecurityPrivilege	2400	powershell.exe
Token: SeTakeOwnershipPrivilege	2400	powershell.exe
Token: SeLoadDriverPrivilege	2400	powershell.exe
Token: SeSystemProfilePrivilege	2400	powershell.exe
Token: SeSystemtimePrivilege	2400	powershell.exe
Token: SeProfSingleProcessPrivilege	2400	powershell.exe
Token: SeIncBasePriorityPrivilege	2400	powershell.exe
Token: SeCreatePagefilePrivilege	2400	powershell.exe
Token: SeBackupPrivilege	2400	powershell.exe
Token: SeRestorePrivilege	2400	powershell.exe
Token: SeShutdownPrivilege	2400	powershell.exe
Token: SeDebugPrivilege	2400	powershell.exe
Token: SeSystemEnvironmentPrivilege	2400	powershell.exe
Token: SeRemoteShutdownPrivilege	2400	powershell.exe
Token: SeUndockPrivilege	2400	powershell.exe
Token: SeManageVolumePrivilege	2400	powershell.exe
Token: 33	2400	powershell.exe
Token: 34	2400	powershell.exe
Token: 35	2400	powershell.exe
Token: 36	2400	powershell.exe
Token: SeIncreaseQuotaPrivilege	2400	powershell.exe
Token: SeSecurityPrivilege	2400	powershell.exe
Token: SeTakeOwnershipPrivilege	2400	powershell.exe
Token: SeLoadDriverPrivilege	2400	powershell.exe
Token: SeSystemProfilePrivilege	2400	powershell.exe
Token: SeSystemtimePrivilege	2400	powershell.exe
Token: SeProfSingleProcessPrivilege	2400	powershell.exe
Token: SeIncBasePriorityPrivilege	2400	powershell.exe
Token: SeCreatePagefilePrivilege	2400	powershell.exe
Token: SeBackupPrivilege	2400	powershell.exe
Token: SeRestorePrivilege	2400	powershell.exe
Token: SeShutdownPrivilege	2400	powershell.exe
Token: SeDebugPrivilege	2400	powershell.exe
Token: SeSystemEnvironmentPrivilege	2400	powershell.exe
Token: SeRemoteShutdownPrivilege	2400	powershell.exe
Token: SeUndockPrivilege	2400	powershell.exe
Token: SeManageVolumePrivilege	2400	powershell.exe
Token: 33	2400	powershell.exe
Token: 34	2400	powershell.exe
Token: 35	2400	powershell.exe
Token: 36	2400	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

wscript.EXEcscript.exe

description	pid	process	target process
PID 924 wrote to memory of 4812	924	wscript.EXE	cscript.exe
PID 924 wrote to memory of 4812	924	wscript.EXE	cscript.exe
PID 4812 wrote to memory of 2400	4812	cscript.exe	powershell.exe
PID 4812 wrote to memory of 2400	4812	cscript.exe	powershell.exe

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\union_of_taxation_employees_collective_agreement58499.js
1⤵
PID:4436

C:\Windows\system32\wscript.EXE
C:\Windows\system32\wscript.EXE GLOBAL~1.JS
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:924

C:\Windows\System32\cscript.exe
"C:\Windows\System32\cscript.exe" GLOBAL~1.JS
2⤵
- Suspicious use of WriteProcessMemory
PID:4812

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:2400

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

JavaScript

1

T1059.007

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dw5o3xev.jkf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\GLOBAL~1.JS

Filesize
39.7MB

MD5
959bf6f3d9862c6c4bdd8e655320957d

SHA1
dccb5c6f2316f1796531718af19c4093ada8d71b

SHA256
cd752661dfcfffbf6b2a0615c0427bec7e475dceda8d9679ccbf65f5081da50b

SHA512
70d2aa38858b49926c7a114b4e250a80cab7bf0b9ef7855ba0940967bd8c0a7e8ef5c9cd99d628deeabc323145c4603120dbcf2b8251f478b551a48f5a90563f

Download Submit
memory/2400-12-0x0000029077B70000-0x0000029077B92000-memory.dmp

Filesize
136KB

Download
memory/2400-13-0x0000029077CF0000-0x0000029077D34000-memory.dmp

Filesize
272KB

Download
memory/2400-14-0x0000029078120000-0x0000029078196000-memory.dmp

Filesize
472KB

Download
memory/2400-15-0x00000290783A0000-0x00000290783CA000-memory.dmp

Filesize
168KB

Download
memory/2400-16-0x00000290783A0000-0x00000290783C4000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads