guloader | 9bdb2adacff9530fde8a0b020e84188b0b39995db62ba167608d8e2493bd3ee4

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2024 05:58

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General

Target

af533ffcb3bdce014ddf8e991ddc0dce_JaffaCakes118.exe
Size

152KB
MD5

af533ffcb3bdce014ddf8e991ddc0dce
SHA1

407327255cd3db231a33de98d62baae2e5c31a99
SHA256

9bdb2adacff9530fde8a0b020e84188b0b39995db62ba167608d8e2493bd3ee4
SHA512

0aab3fca4a9580f0d72fbc94ad5efd395622a4717a17969e194141bfbff76d6c1e2ee2768da7f4e928b283ac5cad71c82a9adc5200a228374872f63d8079e92a
SSDEEP

3072:yxEJpxEqxE2wz/IqR3eQBtCkOlRrw9xEAxEKxEJ:IEJ7EAE2cNRuQBA6EmEgEJ

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

description	ioc	Process
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	af533ffcb3bdce014ddf8e991ddc0dce_JaffaCakes118.exe
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	af533ffcb3bdce014ddf8e991ddc0dce_JaffaCakes118.exe

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

Web Service

T1102

flow	ioc
19	drive.google.com
20	drive.google.com

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
4356	af533ffcb3bdce014ddf8e991ddc0dce_JaffaCakes118.exe
3464	af533ffcb3bdce014ddf8e991ddc0dce_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4356 set thread context of 3464	4356	af533ffcb3bdce014ddf8e991ddc0dce_JaffaCakes118.exe	91

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	af533ffcb3bdce014ddf8e991ddc0dce_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	af533ffcb3bdce014ddf8e991ddc0dce_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4356	af533ffcb3bdce014ddf8e991ddc0dce_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4356	af533ffcb3bdce014ddf8e991ddc0dce_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4356 wrote to memory of 3464	4356	af533ffcb3bdce014ddf8e991ddc0dce_JaffaCakes118.exe	91
PID 4356 wrote to memory of 3464	4356	af533ffcb3bdce014ddf8e991ddc0dce_JaffaCakes118.exe	91
PID 4356 wrote to memory of 3464	4356	af533ffcb3bdce014ddf8e991ddc0dce_JaffaCakes118.exe	91
PID 4356 wrote to memory of 3464	4356	af533ffcb3bdce014ddf8e991ddc0dce_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\af533ffcb3bdce014ddf8e991ddc0dce_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\af533ffcb3bdce014ddf8e991ddc0dce_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:4356
- C:\Users\Admin\AppData\Local\Temp\af533ffcb3bdce014ddf8e991ddc0dce_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\af533ffcb3bdce014ddf8e991ddc0dce_JaffaCakes118.exe"
  2⤵
  - Checks QEMU agent file
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  PID:3464

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/3464-6-0x0000000000400000-0x000000000055D000-memory.dmp

Filesize
1.4MB

Download
memory/3464-9-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/3464-10-0x0000000077961000-0x0000000077A81000-memory.dmp

Filesize
1.1MB

Download
memory/3464-20-0x0000000000400000-0x000000000055D000-memory.dmp

Filesize
1.4MB

Download
memory/3464-21-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/3464-22-0x0000000077961000-0x0000000077A81000-memory.dmp

Filesize
1.1MB

Download
memory/4356-2-0x00000000029D0000-0x00000000029E3000-memory.dmp

Filesize
76KB

Download
memory/4356-3-0x0000000077961000-0x0000000077A81000-memory.dmp

Filesize
1.1MB

Download
memory/4356-4-0x00000000029D0000-0x00000000029E3000-memory.dmp

Filesize
76KB

Download
memory/4356-5-0x0000000077961000-0x0000000077A81000-memory.dmp

Filesize
1.1MB

Download
memory/4356-8-0x00000000029D0000-0x00000000029E3000-memory.dmp

Filesize
76KB

Download