guloader | 30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3

General

Target

30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe
Size

136KB
MD5

82c4a21d4ca4a085260dd4b6dc07b258
SHA1

d115a2668ec1acec9e652387e9ee04ce39e1ff73
SHA256

30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3
SHA512

4f23d20c5ccaadc998bceeee3c8e86d2cba427ed7d3b6e9278c3ba3790d3b7530ab9be2ac1db4e5a8e401ea0f13500b08ce47cbea2c01fd66d0c526d6e1a8f0f
SSDEEP

1536:7uQk9P70nl81EqOrI0goTQJ6ww7koXXyqqGphcZvnw2T:i9D+81EDmAQVwIoYnhnHT

Score

10^/10

guloader discovery downloader

Malware Config

Signatures

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

Checks QEMU agent file 2 TTPs 2 IoCs

Checks presence of QEMU agent, possibly to detect virtualization.

Query Registry

T1012

System Information Discovery

T1082

Processes:

30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe

description	ioc	Process
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe

pid	Process
2852	30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe
2744	30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe

description	pid	Process	procid_target
PID 2852 set thread context of 2744	2852	30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe

pid	Process
2852	30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe

pid	Process
2852	30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe

description	pid	Process	procid_target
PID 2852 wrote to memory of 2744	2852	30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe	30
PID 2852 wrote to memory of 2744	2852	30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe	30
PID 2852 wrote to memory of 2744	2852	30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe	30
PID 2852 wrote to memory of 2744	2852	30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe	30
PID 2852 wrote to memory of 2744	2852	30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe	30

C:\Users\Admin\AppData\Local\Temp\30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe
"C:\Users\Admin\AppData\Local\Temp\30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe"
1⤵
- Checks QEMU agent file
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2852
- C:\Users\Admin\AppData\Local\Temp\30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe
  "C:\Users\Admin\AppData\Local\Temp\30b79d2f93f26a0be391c6fced148424a242303fae3de117cf8b8d2121ff5bc3.exe"
  2⤵
  - Checks QEMU agent file
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  PID:2744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2744-7-0x0000000000400000-0x0000000000553000-memory.dmp

Filesize
1.3MB

Download
memory/2744-9-0x0000000076F20000-0x00000000770C9000-memory.dmp

Filesize
1.7MB

Download
memory/2744-10-0x0000000000400000-0x0000000000553000-memory.dmp

Filesize
1.3MB

Download
memory/2744-11-0x0000000000400000-0x0000000000553000-memory.dmp

Filesize
1.3MB

Download
memory/2852-2-0x0000000000250000-0x0000000000266000-memory.dmp

Filesize
88KB

Download
memory/2852-3-0x0000000076F21000-0x0000000077022000-memory.dmp

Filesize
1.0MB

Download
memory/2852-4-0x0000000076F20000-0x00000000770C9000-memory.dmp

Filesize
1.7MB

Download
memory/2852-5-0x0000000000250000-0x0000000000266000-memory.dmp

Filesize
88KB

Download
memory/2852-6-0x0000000000250000-0x0000000000266000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads