guloader | dc818bb2797249f1cc13daf873c34127b1b3c8a6bf1ceb1fc7392613114c5269

Analysis

max time kernel
147s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2024 17:51

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General

Target

7523103a55465d71b5686bf960694027.exe
Size

152KB
MD5

7523103a55465d71b5686bf960694027
SHA1

e69d656bb003eaf6f3966e9bb89f9e14b191c960
SHA256

dc818bb2797249f1cc13daf873c34127b1b3c8a6bf1ceb1fc7392613114c5269
SHA512

17ecf4626a44a89ac8622d9755da3f64e679f9008283c2f95b7f3a4431023d1ee2f412c4f1fdd82e709d37ad5a4a98889e17352875da0813f84884742daa507c
SSDEEP

1536:JhUoHf+unUoBn+RF95VmHFJ4c+2/S5B/8qxqlKVt1g+9u:TN2M8nclJ4cJGpBqlAguu

Score

10^/10

guloader kinsing downloader loader

Malware Config

Signatures

Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader
Kinsing
Kinsing is a loader written in Golang.
loader kinsing

Checks QEMU agent file 2 TTPs 2 IoCs

Checks presence of QEMU agent, possibly to detect virtualization.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	7523103a55465d71b5686bf960694027.exe
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	7523103a55465d71b5686bf960694027.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
20	drive.google.com
21	drive.google.com

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
636	7523103a55465d71b5686bf960694027.exe
2356	7523103a55465d71b5686bf960694027.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 636 set thread context of 2356	636	7523103a55465d71b5686bf960694027.exe	95

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
636	7523103a55465d71b5686bf960694027.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
636	7523103a55465d71b5686bf960694027.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 636 wrote to memory of 2356	636	7523103a55465d71b5686bf960694027.exe	95
PID 636 wrote to memory of 2356	636	7523103a55465d71b5686bf960694027.exe	95
PID 636 wrote to memory of 2356	636	7523103a55465d71b5686bf960694027.exe	95
PID 636 wrote to memory of 2356	636	7523103a55465d71b5686bf960694027.exe	95

C:\Users\Admin\AppData\Local\Temp\7523103a55465d71b5686bf960694027.exe
"C:\Users\Admin\AppData\Local\Temp\7523103a55465d71b5686bf960694027.exe"
1⤵
- Checks QEMU agent file
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:636
- C:\Users\Admin\AppData\Local\Temp\7523103a55465d71b5686bf960694027.exe
  "C:\Users\Admin\AppData\Local\Temp\7523103a55465d71b5686bf960694027.exe"
  2⤵
  - Checks QEMU agent file
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  PID:2356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/636-2-0x0000000002B60000-0x0000000002B73000-memory.dmp

Filesize
76KB

Download
memory/636-3-0x0000000077B81000-0x0000000077CA1000-memory.dmp

Filesize
1.1MB

Download
memory/636-6-0x0000000077B81000-0x0000000077CA1000-memory.dmp

Filesize
1.1MB

Download
memory/636-7-0x0000000002B60000-0x0000000002B73000-memory.dmp

Filesize
76KB

Download
memory/2356-4-0x0000000000400000-0x000000000055D000-memory.dmp

Filesize
1.4MB

Download
memory/2356-8-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/2356-9-0x0000000077B81000-0x0000000077CA1000-memory.dmp

Filesize
1.1MB

Download
memory/2356-19-0x0000000000400000-0x000000000055D000-memory.dmp

Filesize
1.4MB

Download
memory/2356-20-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download