guloader | 5ad508430463e238c3d77aba98b288074c5980f72186e8eeda301f0b4f731cc5

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
01/05/2024, 15:08

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General

Target

0c1d8224b50bb8a62879eb83a3579934_JaffaCakes118.exe
Size

68KB
MD5

0c1d8224b50bb8a62879eb83a3579934
SHA1

aecf060c6e027744609ce9b75b2bc091135812b2
SHA256

5ad508430463e238c3d77aba98b288074c5980f72186e8eeda301f0b4f731cc5
SHA512

f53edeee5aefb6ecb9c3a4c9ed1d38d0a96c13a412c0530c8bb0562c580b4d14ee1ca90ca2a0f955d57b041ebcc8035c18e010f6477c5c75e501d68c3e69ec01
SSDEEP

1536:MJTwIg07tUKbRp+CUW9WKKQRKUTg07tUKbRp+:agbKbRnnWKzKygbKbR

Score

10^/10

guloader downloader

Malware Config

Extracted

Family

guloader

https://drive.google.com/uc?export=download&id=1YmemxDIjNt4SbLWawAFC3kvCLAvWtOCH

xor.base64

Signatures

Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader

Legitimate hosting services abused for malware hosting/C2 1 TTPs 12 IoCs

Web Service

T1102

flow	ioc
15	drive.google.com
16	drive.google.com
18	drive.google.com
19	drive.google.com
20	drive.google.com
2	drive.google.com
7	drive.google.com
14	drive.google.com
17	drive.google.com
21	drive.google.com
10	drive.google.com
12	drive.google.com

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3552	0c1d8224b50bb8a62879eb83a3579934_JaffaCakes118.exe
3912	0c1d8224b50bb8a62879eb83a3579934_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3552 set thread context of 3912	3552	0c1d8224b50bb8a62879eb83a3579934_JaffaCakes118.exe	87

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3552	0c1d8224b50bb8a62879eb83a3579934_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3552	0c1d8224b50bb8a62879eb83a3579934_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3552 wrote to memory of 3912	3552	0c1d8224b50bb8a62879eb83a3579934_JaffaCakes118.exe	87
PID 3552 wrote to memory of 3912	3552	0c1d8224b50bb8a62879eb83a3579934_JaffaCakes118.exe	87
PID 3552 wrote to memory of 3912	3552	0c1d8224b50bb8a62879eb83a3579934_JaffaCakes118.exe	87
PID 3552 wrote to memory of 3912	3552	0c1d8224b50bb8a62879eb83a3579934_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\0c1d8224b50bb8a62879eb83a3579934_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0c1d8224b50bb8a62879eb83a3579934_JaffaCakes118.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3552
- C:\Users\Admin\AppData\Local\Temp\0c1d8224b50bb8a62879eb83a3579934_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\0c1d8224b50bb8a62879eb83a3579934_JaffaCakes118.exe"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  PID:3912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3552-3-0x00000000021E0000-0x00000000021E8000-memory.dmp

Filesize
32KB

Download
memory/3552-5-0x0000000077061000-0x0000000077181000-memory.dmp

Filesize
1.1MB

Download
memory/3912-2-0x0000000000400000-0x000000000055D000-memory.dmp

Filesize
1.4MB

Download
memory/3912-7-0x0000000077061000-0x0000000077181000-memory.dmp

Filesize
1.1MB

Download
memory/3912-6-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download