guloader | 5ad508430463e238c3d77aba98b288074c5980f72186e8eeda301f0b4f731cc5

Analysis

max time kernel
148s
max time network
156s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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 2 IoCs

Web Service

T1102

flow	ioc
3	drive.google.com
5	drive.google.com

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1368	0c1d8224b50bb8a62879eb83a3579934_JaffaCakes118.exe
2476	0c1d8224b50bb8a62879eb83a3579934_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1368 set thread context of 2476	1368	0c1d8224b50bb8a62879eb83a3579934_JaffaCakes118.exe	28

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1368	0c1d8224b50bb8a62879eb83a3579934_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1368	0c1d8224b50bb8a62879eb83a3579934_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 2476	1368	0c1d8224b50bb8a62879eb83a3579934_JaffaCakes118.exe	28
PID 1368 wrote to memory of 2476	1368	0c1d8224b50bb8a62879eb83a3579934_JaffaCakes118.exe	28
PID 1368 wrote to memory of 2476	1368	0c1d8224b50bb8a62879eb83a3579934_JaffaCakes118.exe	28
PID 1368 wrote to memory of 2476	1368	0c1d8224b50bb8a62879eb83a3579934_JaffaCakes118.exe	28
PID 1368 wrote to memory of 2476	1368	0c1d8224b50bb8a62879eb83a3579934_JaffaCakes118.exe	28

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:1368
- C:\Users\Admin\AppData\Local\Temp\0c1d8224b50bb8a62879eb83a3579934_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\0c1d8224b50bb8a62879eb83a3579934_JaffaCakes118.exe"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  PID:2476

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

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Downloads

memory/1368-3-0x00000000003F0000-0x00000000003F8000-memory.dmp

Filesize
32KB

Download
memory/1368-2-0x00000000003F0000-0x00000000003F8000-memory.dmp

Filesize
32KB

Download
memory/1368-7-0x0000000077B61000-0x0000000077C62000-memory.dmp

Filesize
1.0MB

Download
memory/1368-5-0x0000000077D50000-0x0000000077E26000-memory.dmp

Filesize
856KB

Download
memory/2476-4-0x0000000000400000-0x0000000000553000-memory.dmp

Filesize
1.3MB

Download
memory/2476-8-0x0000000077B60000-0x0000000077D09000-memory.dmp

Filesize
1.7MB

Download
memory/2476-27-0x0000000000400000-0x0000000000553000-memory.dmp

Filesize
1.3MB

Download