guloader | 47046d5dfe7ecf45e4c31f25b975af78684f9727b91a7d052b5731e95d2f0a4c

Analysis

max time kernel
148s
max time network
141s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-10-2024 12:25

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General

Target

2185f799306271f52a13cfe6391ead41_JaffaCakes118.exe
Size

152KB
MD5

2185f799306271f52a13cfe6391ead41
SHA1

f0f925827d87f175ea20836e3f1e45a9e9a2a913
SHA256

47046d5dfe7ecf45e4c31f25b975af78684f9727b91a7d052b5731e95d2f0a4c
SHA512

fc9f5ac070af8d4b1612c52efeb998b2eb1c98d8d2d7808c56324979993fbe78e339566771d185c7108ec97b87f10d2821f2f41fd5609fa22f62b301aecc3069
SSDEEP

3072:2xEJpxEqxE2wzjo4i4EH5e2nnMCaKACgQrw9xEAxEKxEJ:UEJ7EAE2HAEZfnnUA6EmEgEJ

Score

10^/10

guloader discovery downloader

Malware Config

Signatures

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	2185f799306271f52a13cfe6391ead41_JaffaCakes118.exe
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	2185f799306271f52a13cfe6391ead41_JaffaCakes118.exe

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

Web Service

T1102

flow	ioc
4	drive.google.com
5	drive.google.com

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1720	2185f799306271f52a13cfe6391ead41_JaffaCakes118.exe
2340	2185f799306271f52a13cfe6391ead41_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1720 set thread context of 2340	1720	2185f799306271f52a13cfe6391ead41_JaffaCakes118.exe	31

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	2185f799306271f52a13cfe6391ead41_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2185f799306271f52a13cfe6391ead41_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1720	2185f799306271f52a13cfe6391ead41_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1720	2185f799306271f52a13cfe6391ead41_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 2340	1720	2185f799306271f52a13cfe6391ead41_JaffaCakes118.exe	31
PID 1720 wrote to memory of 2340	1720	2185f799306271f52a13cfe6391ead41_JaffaCakes118.exe	31
PID 1720 wrote to memory of 2340	1720	2185f799306271f52a13cfe6391ead41_JaffaCakes118.exe	31
PID 1720 wrote to memory of 2340	1720	2185f799306271f52a13cfe6391ead41_JaffaCakes118.exe	31
PID 1720 wrote to memory of 2340	1720	2185f799306271f52a13cfe6391ead41_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\2185f799306271f52a13cfe6391ead41_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2185f799306271f52a13cfe6391ead41_JaffaCakes118.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:1720
- C:\Users\Admin\AppData\Local\Temp\2185f799306271f52a13cfe6391ead41_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\2185f799306271f52a13cfe6391ead41_JaffaCakes118.exe"
  2⤵
  - Checks QEMU agent file
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  PID:2340

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1720-2-0x00000000002F0000-0x0000000000303000-memory.dmp

Filesize
76KB

Download
memory/1720-3-0x00000000770B1000-0x00000000771B2000-memory.dmp

Filesize
1.0MB

Download
memory/1720-4-0x00000000770B0000-0x0000000077259000-memory.dmp

Filesize
1.7MB

Download
memory/1720-5-0x00000000002F0000-0x0000000000303000-memory.dmp

Filesize
76KB

Download
memory/1720-7-0x00000000002F0000-0x0000000000303000-memory.dmp

Filesize
76KB

Download
memory/2340-6-0x0000000000400000-0x0000000000553000-memory.dmp

Filesize
1.3MB

Download
memory/2340-9-0x00000000770B0000-0x0000000077259000-memory.dmp

Filesize
1.7MB

Download
memory/2340-10-0x0000000000400000-0x0000000000553000-memory.dmp

Filesize
1.3MB

Download