gootloader | b5a957a066a2d434bcafadbc85f5d027bd0ddfa6236755b48cfb1d7b52157201

General

Target

pa collective agreement pay 38324.js
Size

7.7MB
MD5

b563e45f0d74ff3178b47b4e897976e7
SHA1

cdfc855a3c5595e40c753c537554819c402f9b3d
SHA256

b5a957a066a2d434bcafadbc85f5d027bd0ddfa6236755b48cfb1d7b52157201
SHA512

fcf7264c21ef97e1b969eb3bb0e5e482e313ecbe3ef49f83d4f5c926415818cff3b509070b1500abe36cb37ab3b830e768360e2f3d397bc79f49832dc95d3a3c
SSDEEP

49152:JytwpCQK+RPytwpCQK+RPytwpCQK+RPytwpCQK+RPytwpCQK+RPytwpCQK+RPytg:l

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 8 IoCs

Processes:

powershell.exe

flow	pid	process
25	4820	powershell.exe
34	4820	powershell.exe
40	4820	powershell.exe
43	4820	powershell.exe
46	4820	powershell.exe
50	4820	powershell.exe
52	4820	powershell.exe
53	4820	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-1-5-21-2539840389-1261165778-1087677076-1000\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-1-5-21-2539840389-1261165778-1087677076-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	powershell.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

powershell.exe

pid	process
4820	powershell.exe
4820	powershell.exe
4820	powershell.exe
4820	powershell.exe
4820	powershell.exe
4820	powershell.exe
4820	powershell.exe
4820	powershell.exe
4820	powershell.exe
4820	powershell.exe
4820	powershell.exe
4820	powershell.exe
4820	powershell.exe
4820	powershell.exe
4820	powershell.exe
4820	powershell.exe
4820	powershell.exe
4820	powershell.exe
4820	powershell.exe
4820	powershell.exe
4820	powershell.exe
4820	powershell.exe
4820	powershell.exe
4820	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exe

description	pid	process
Token: SeDebugPrivilege	4820	powershell.exe
Token: SeIncreaseQuotaPrivilege	4820	powershell.exe
Token: SeSecurityPrivilege	4820	powershell.exe
Token: SeTakeOwnershipPrivilege	4820	powershell.exe
Token: SeLoadDriverPrivilege	4820	powershell.exe
Token: SeSystemProfilePrivilege	4820	powershell.exe
Token: SeSystemtimePrivilege	4820	powershell.exe
Token: SeProfSingleProcessPrivilege	4820	powershell.exe
Token: SeIncBasePriorityPrivilege	4820	powershell.exe
Token: SeCreatePagefilePrivilege	4820	powershell.exe
Token: SeBackupPrivilege	4820	powershell.exe
Token: SeRestorePrivilege	4820	powershell.exe
Token: SeShutdownPrivilege	4820	powershell.exe
Token: SeDebugPrivilege	4820	powershell.exe
Token: SeSystemEnvironmentPrivilege	4820	powershell.exe
Token: SeRemoteShutdownPrivilege	4820	powershell.exe
Token: SeUndockPrivilege	4820	powershell.exe
Token: SeManageVolumePrivilege	4820	powershell.exe
Token: 33	4820	powershell.exe
Token: 34	4820	powershell.exe
Token: 35	4820	powershell.exe
Token: 36	4820	powershell.exe
Token: SeIncreaseQuotaPrivilege	4820	powershell.exe
Token: SeSecurityPrivilege	4820	powershell.exe
Token: SeTakeOwnershipPrivilege	4820	powershell.exe
Token: SeLoadDriverPrivilege	4820	powershell.exe
Token: SeSystemProfilePrivilege	4820	powershell.exe
Token: SeSystemtimePrivilege	4820	powershell.exe
Token: SeProfSingleProcessPrivilege	4820	powershell.exe
Token: SeIncBasePriorityPrivilege	4820	powershell.exe
Token: SeCreatePagefilePrivilege	4820	powershell.exe
Token: SeBackupPrivilege	4820	powershell.exe
Token: SeRestorePrivilege	4820	powershell.exe
Token: SeShutdownPrivilege	4820	powershell.exe
Token: SeDebugPrivilege	4820	powershell.exe
Token: SeSystemEnvironmentPrivilege	4820	powershell.exe
Token: SeRemoteShutdownPrivilege	4820	powershell.exe
Token: SeUndockPrivilege	4820	powershell.exe
Token: SeManageVolumePrivilege	4820	powershell.exe
Token: 33	4820	powershell.exe
Token: 34	4820	powershell.exe
Token: 35	4820	powershell.exe
Token: 36	4820	powershell.exe
Token: SeIncreaseQuotaPrivilege	4820	powershell.exe
Token: SeSecurityPrivilege	4820	powershell.exe
Token: SeTakeOwnershipPrivilege	4820	powershell.exe
Token: SeLoadDriverPrivilege	4820	powershell.exe
Token: SeSystemProfilePrivilege	4820	powershell.exe
Token: SeSystemtimePrivilege	4820	powershell.exe
Token: SeProfSingleProcessPrivilege	4820	powershell.exe
Token: SeIncBasePriorityPrivilege	4820	powershell.exe
Token: SeCreatePagefilePrivilege	4820	powershell.exe
Token: SeBackupPrivilege	4820	powershell.exe
Token: SeRestorePrivilege	4820	powershell.exe
Token: SeShutdownPrivilege	4820	powershell.exe
Token: SeDebugPrivilege	4820	powershell.exe
Token: SeSystemEnvironmentPrivilege	4820	powershell.exe
Token: SeRemoteShutdownPrivilege	4820	powershell.exe
Token: SeUndockPrivilege	4820	powershell.exe
Token: SeManageVolumePrivilege	4820	powershell.exe
Token: 33	4820	powershell.exe
Token: 34	4820	powershell.exe
Token: 35	4820	powershell.exe
Token: 36	4820	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

wscript.EXEcscript.exe

description	pid	process	target process
PID 1244 wrote to memory of 5056	1244	wscript.EXE	cscript.exe
PID 1244 wrote to memory of 5056	1244	wscript.EXE	cscript.exe
PID 5056 wrote to memory of 4820	5056	cscript.exe	powershell.exe
PID 5056 wrote to memory of 4820	5056	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\pa collective agreement pay 38324.js"
1⤵
PID:1980

C:\Windows\system32\wscript.EXE
C:\Windows\system32\wscript.EXE CULTUR~1.JS
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1244

C:\Windows\System32\cscript.exe
"C:\Windows\System32\cscript.exe" "CULTUR~1.JS"
2⤵
- Suspicious use of WriteProcessMemory
PID:5056

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:4820

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hgimgxjs.rvq.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\CULTUR~1.JS
Filesize
42.2MB

MD5
c5aa7bac46d79bbe1c05619bdf04c78d

SHA1
425c8aac95db9a3891946850476d812751ca9045

SHA256
263dc51f3d90564aae0501cd5e5a13dccc2f8a107c7d3c728fb6e1b17f0b63e2

SHA512
e2d5c551dbea75409ba7303b2337d822208ced0db5217fedd373c9b81cebbb8d540333006988640541ddf8186ed152383d2c370e8d9c2eaf0618a8787d770ddf

Download Submit
memory/4820-8-0x0000020B748A0000-0x0000020B748C2000-memory.dmp

Filesize
136KB

Download
memory/4820-13-0x0000020B74BD0000-0x0000020B74C14000-memory.dmp

Filesize
272KB

Download
memory/4820-14-0x0000020B74EA0000-0x0000020B74F16000-memory.dmp

Filesize
472KB

Download
memory/4820-15-0x0000020B750F0000-0x0000020B7511A000-memory.dmp

Filesize
168KB

Download
memory/4820-16-0x0000020B750F0000-0x0000020B75114000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads