guloader | 1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b

General

Target

1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe
Size

132KB
MD5

d56e6e9b25a048853b9654eff97fda8c
SHA1

ca244579a5a07717c0411a76302fe234db702517
SHA256

1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b
SHA512

643e18daa7dd50f1e46af00cb82943d5e83aca04b9089cc43f70c175dc83f5a4415ee2e775e0239f56f2e70052e23d78e0b6e7d941a4446bcd9303e27cdb6b14

Score

10^/10

guloader downloader

Malware Config

Extracted

Family

guloader

C2

https://drive.google.com/uc?export=download&id=1xoAYE4lBiFtYTtM7qlk0iMOADY4FL-5u

Signatures

Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe

pid	process
4252	1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe
4764	1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe

description	pid	process	target process
PID 4252 set thread context of 4764	4252	1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe	1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe

pid process

4252 1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe

pid process

4252 1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe

description	pid	process	target process
PID 4252 wrote to memory of 4764	4252	1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe	1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe
PID 4252 wrote to memory of 4764	4252	1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe	1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe
PID 4252 wrote to memory of 4764	4252	1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe	1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe
PID 4252 wrote to memory of 4764	4252	1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe	1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe

C:\Users\Admin\AppData\Local\Temp\1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe
"C:\Users\Admin\AppData\Local\Temp\1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4252

C:\Users\Admin\AppData\Local\Temp\1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe
"C:\Users\Admin\AppData\Local\Temp\1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe"
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:4764

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1

T1102

Impact

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Downloads

memory/4252-134-0x00000000021E0000-0x00000000021EB000-memory.dmp

Filesize
44KB

Download
memory/4252-138-0x00000000773E0000-0x0000000077583000-memory.dmp

Filesize
1.6MB

Download
memory/4252-137-0x00007FFB88930000-0x00007FFB88B25000-memory.dmp

Filesize
2.0MB

Download
memory/4764-132-0x0000000000000000-mapping.dmp

Download
memory/4764-133-0x0000000000400000-0x000000000055D000-memory.dmp

Filesize
1.4MB

Download
memory/4764-136-0x0000000000401000-0x0000000000506000-memory.dmp

Filesize
1.0MB

Download
memory/4764-139-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/4764-140-0x00007FFB88930000-0x00007FFB88B25000-memory.dmp

Filesize
2.0MB

Download
memory/4764-141-0x00000000773E0000-0x0000000077583000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads