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
1480	1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe
1552	1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe

description	pid	process	target process
PID 1480 set thread context of 1552	1480	1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe	1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe

pid process

1480 1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe

pid process

1480 1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe

description	pid	process	target process
PID 1480 wrote to memory of 1552	1480	1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe	1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe
PID 1480 wrote to memory of 1552	1480	1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe	1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe
PID 1480 wrote to memory of 1552	1480	1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe	1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe
PID 1480 wrote to memory of 1552	1480	1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe	1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe
PID 1480 wrote to memory of 1552	1480	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:1480

C:\Users\Admin\AppData\Local\Temp\1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe
"C:\Users\Admin\AppData\Local\Temp\1a9d214667853658003a7ca54c0da42dcd2212ce8d52d343f32dd1a285c9e72b.exe"
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:1552

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1480-57-0x0000000074F91000-0x0000000074F93000-memory.dmp

Filesize
8KB

Download
memory/1480-59-0x0000000001B50000-0x0000000001B5B000-memory.dmp

Filesize
44KB

Download
memory/1480-61-0x0000000076E50000-0x0000000076FF9000-memory.dmp

Filesize
1.7MB

Download
memory/1480-63-0x0000000077030000-0x00000000771B0000-memory.dmp

Filesize
1.5MB

Download
memory/1552-58-0x0000000000401398-mapping.dmp

Download
memory/1552-60-0x0000000000400000-0x0000000000553000-memory.dmp

Filesize
1.3MB

Download
memory/1552-66-0x00000000001B0000-0x00000000002B0000-memory.dmp

Filesize
1024KB

Download
memory/1552-67-0x0000000076E50000-0x0000000076FF9000-memory.dmp

Filesize
1.7MB

Download
memory/1552-68-0x0000000077030000-0x00000000771B0000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads