gootloader | 911b23f2c029209e96a584c5261e9ad6c5e9851e5ba979279c72ad5ccc9a85e8

General

Target

10_basic_rule_of_subject_verb_agreement(87124).js
Size

5.1MB
MD5

4a5c8aa058a41677ad77b9da11d245cd
SHA1

73d4b3691217109a3a640d9c8a0a646d17c10238
SHA256

8820963b2d91e1ed6888fc504bf97a4f448db2a7c7457865f8e95693db3deece
SHA512

e1db0bc4737972b96bbb3ab309a788cbb9c6290cb67aaa0459bc900f15d2f3a82edb6fbc7bb6526a3d5ab089a601565ac72ddb2d59bdcfe04c0362c45c66d99e
SSDEEP

49152:LkFp0oPV9lkFp0oPV9lkFp0oPV9lkFp0oPV9l:oPVEPVEPVEPVD

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

34 2512 powershell.exe
42 2512 powershell.exe
45 2512 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-1-5-21-493223053-2004649691-1575712786-1000\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

flow	pid	process
34	2512	powershell.exe
42	2512	powershell.exe
45	2512	powershell.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	wscript.EXE

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-1-5-21-493223053-2004649691-1575712786-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	powershell.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exe

pid	process
2512	powershell.exe
2512	powershell.exe
2512	powershell.exe
2512	powershell.exe
2512	powershell.exe
2512	powershell.exe
2512	powershell.exe
2512	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exe

description	pid	process
Token: SeDebugPrivilege	2512	powershell.exe
Token: SeIncreaseQuotaPrivilege	2512	powershell.exe
Token: SeSecurityPrivilege	2512	powershell.exe
Token: SeTakeOwnershipPrivilege	2512	powershell.exe
Token: SeLoadDriverPrivilege	2512	powershell.exe
Token: SeSystemProfilePrivilege	2512	powershell.exe
Token: SeSystemtimePrivilege	2512	powershell.exe
Token: SeProfSingleProcessPrivilege	2512	powershell.exe
Token: SeIncBasePriorityPrivilege	2512	powershell.exe
Token: SeCreatePagefilePrivilege	2512	powershell.exe
Token: SeBackupPrivilege	2512	powershell.exe
Token: SeRestorePrivilege	2512	powershell.exe
Token: SeShutdownPrivilege	2512	powershell.exe
Token: SeDebugPrivilege	2512	powershell.exe
Token: SeSystemEnvironmentPrivilege	2512	powershell.exe
Token: SeRemoteShutdownPrivilege	2512	powershell.exe
Token: SeUndockPrivilege	2512	powershell.exe
Token: SeManageVolumePrivilege	2512	powershell.exe
Token: 33	2512	powershell.exe
Token: 34	2512	powershell.exe
Token: 35	2512	powershell.exe
Token: 36	2512	powershell.exe
Token: SeIncreaseQuotaPrivilege	2512	powershell.exe
Token: SeSecurityPrivilege	2512	powershell.exe
Token: SeTakeOwnershipPrivilege	2512	powershell.exe
Token: SeLoadDriverPrivilege	2512	powershell.exe
Token: SeSystemProfilePrivilege	2512	powershell.exe
Token: SeSystemtimePrivilege	2512	powershell.exe
Token: SeProfSingleProcessPrivilege	2512	powershell.exe
Token: SeIncBasePriorityPrivilege	2512	powershell.exe
Token: SeCreatePagefilePrivilege	2512	powershell.exe
Token: SeBackupPrivilege	2512	powershell.exe
Token: SeRestorePrivilege	2512	powershell.exe
Token: SeShutdownPrivilege	2512	powershell.exe
Token: SeDebugPrivilege	2512	powershell.exe
Token: SeSystemEnvironmentPrivilege	2512	powershell.exe
Token: SeRemoteShutdownPrivilege	2512	powershell.exe
Token: SeUndockPrivilege	2512	powershell.exe
Token: SeManageVolumePrivilege	2512	powershell.exe
Token: 33	2512	powershell.exe
Token: 34	2512	powershell.exe
Token: 35	2512	powershell.exe
Token: 36	2512	powershell.exe
Token: SeIncreaseQuotaPrivilege	2512	powershell.exe
Token: SeSecurityPrivilege	2512	powershell.exe
Token: SeTakeOwnershipPrivilege	2512	powershell.exe
Token: SeLoadDriverPrivilege	2512	powershell.exe
Token: SeSystemProfilePrivilege	2512	powershell.exe
Token: SeSystemtimePrivilege	2512	powershell.exe
Token: SeProfSingleProcessPrivilege	2512	powershell.exe
Token: SeIncBasePriorityPrivilege	2512	powershell.exe
Token: SeCreatePagefilePrivilege	2512	powershell.exe
Token: SeBackupPrivilege	2512	powershell.exe
Token: SeRestorePrivilege	2512	powershell.exe
Token: SeShutdownPrivilege	2512	powershell.exe
Token: SeDebugPrivilege	2512	powershell.exe
Token: SeSystemEnvironmentPrivilege	2512	powershell.exe
Token: SeRemoteShutdownPrivilege	2512	powershell.exe
Token: SeUndockPrivilege	2512	powershell.exe
Token: SeManageVolumePrivilege	2512	powershell.exe
Token: 33	2512	powershell.exe
Token: 34	2512	powershell.exe
Token: 35	2512	powershell.exe
Token: 36	2512	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

wscript.EXEcscript.exe

description	pid	process	target process
PID 1400 wrote to memory of 4560	1400	wscript.EXE	cscript.exe
PID 1400 wrote to memory of 4560	1400	wscript.EXE	cscript.exe
PID 4560 wrote to memory of 2512	4560	cscript.exe	powershell.exe
PID 4560 wrote to memory of 2512	4560	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\10_basic_rule_of_subject_verb_agreement(87124).js
1⤵
PID:3692

C:\Windows\system32\wscript.EXE
C:\Windows\system32\wscript.EXE STUDEN~1.JS
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1400

C:\Windows\System32\cscript.exe
"C:\Windows\System32\cscript.exe" STUDEN~1.JS
2⤵
- Suspicious use of WriteProcessMemory
PID:4560

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:2512

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_ixhk1qtt.xzs.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Adobe\STUDEN~1.JS

Filesize
41.7MB

MD5
2561bdd7e663e90f98a71d4f95a1ecea

SHA1
0b79f745afd8665e81bf51efface21e9db63a97f

SHA256
a7d6aab0c2a1c54961d9670400f4bb5ff85eadb9a81d53fa77ab63effff789af

SHA512
56c0671478d9d965dc3bf2d920053d023c6028f12fcd2eb3b18afc05d150d491bddbab84206f000d6574f0d33efd02ed63fefc9c644e7fd2b3f7fdd1863e2cf8

Download Submit
memory/2512-12-0x00000253660E0000-0x0000025366102000-memory.dmp

Filesize
136KB

Download
memory/2512-13-0x0000025366290000-0x00000253662D4000-memory.dmp

Filesize
272KB

Download
memory/2512-14-0x000002537E6B0000-0x000002537E726000-memory.dmp

Filesize
472KB

Download
memory/2512-15-0x0000025366120000-0x000002536614A000-memory.dmp

Filesize
168KB

Download
memory/2512-16-0x0000025366120000-0x0000025366144000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads