guloader | 2e6c8c289deb4e04aa77b08d453e8bb63ece89fa9311b7fdafb3f68ffba79992

Analysis

max time kernel
143s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 18:32

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General

Target

EFT Payment Advice.exe
Size

128KB
MD5

1c4f0c8a3980ddb659d4ad8e91d7618d
SHA1

056cc5e13f2417bab9252d8119ac2bccfaee40fd
SHA256

7ff4fa75489bccc3b2530358950665e594636699d68c07eb742cba4e70a7668c
SHA512

5a55f59808e23ba7ed00f35ac64342d594987464a2a954107c5ecfe0b9c86eb6b58e3c18db95570a6d2c43877f199f986bb0f3a5a0190280b2a02b11019b79b2
SSDEEP

1536:JtTodMBHMVqPg0V9vCPuEfeuAdCA8KCkS88iFub:3pqkNV1CPuqend38bqs

Score

10^/10

guloader discovery downloader persistence

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

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Ministr = "C:\\Users\\Admin\\AppData\\Local\\Temp\\featherbird\\sammenbr.vbs"	EFT Payment Advice.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
4472	EFT Payment Advice.exe
1676	EFT Payment Advice.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4472 set thread context of 1676	4472	EFT Payment Advice.exe	89

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EFT Payment Advice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EFT Payment Advice.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4472	EFT Payment Advice.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4472	EFT Payment Advice.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4472 wrote to memory of 1676	4472	EFT Payment Advice.exe	89
PID 4472 wrote to memory of 1676	4472	EFT Payment Advice.exe	89
PID 4472 wrote to memory of 1676	4472	EFT Payment Advice.exe	89
PID 4472 wrote to memory of 1676	4472	EFT Payment Advice.exe	89

C:\Users\Admin\AppData\Local\Temp\EFT Payment Advice.exe
"C:\Users\Admin\AppData\Local\Temp\EFT Payment Advice.exe"
1⤵
- Checks QEMU agent file
- Adds Run key to start application
- 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:4472
- C:\Users\Admin\AppData\Local\Temp\EFT Payment Advice.exe
  "C:\Users\Admin\AppData\Local\Temp\EFT Payment Advice.exe"
  2⤵
  - Checks QEMU agent file
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  PID:1676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1676-6-0x0000000000400000-0x000000000055D000-memory.dmp

Filesize
1.4MB

Download
memory/1676-8-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/1676-10-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/1676-16-0x0000000000400000-0x000000000055D000-memory.dmp

Filesize
1.4MB

Download
memory/4472-2-0x0000000002BB0000-0x0000000002BC2000-memory.dmp

Filesize
72KB

Download
memory/4472-3-0x0000000077A31000-0x0000000077B51000-memory.dmp

Filesize
1.1MB

Download
memory/4472-4-0x0000000002BB0000-0x0000000002BC2000-memory.dmp

Filesize
72KB

Download
memory/4472-5-0x0000000077A31000-0x0000000077B51000-memory.dmp

Filesize
1.1MB

Download
memory/4472-9-0x0000000002BB0000-0x0000000002BC2000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads