guloader | dc4deca725b1f9f67e91f11702a51c2960aa9a4c80de5ab63c47e19564ce628c

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-10-2024 23:29

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General

Target

649e69e82251e398285d5454cb7e341f_JaffaCakes118.exe
Size

152KB
MD5

649e69e82251e398285d5454cb7e341f
SHA1

b15876f6d3548495165c8b036338c082a6e1017b
SHA256

dc4deca725b1f9f67e91f11702a51c2960aa9a4c80de5ab63c47e19564ce628c
SHA512

7b7ac4f5de145dc5839f6a96550866f286e63b26c80ecc6de7c271b3aa0023d4e68a2f2118787d00ffd4c0c292ead288fa99dc441c33f0afc51f927701f3dc5b
SSDEEP

1536:nMfgS27wtQ/Zfk3XHip161c1yx1d2zTkKilVxlr1bcNV9DdJf:ow2kZQXHS1Xsl2zuJrOH5L

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	649e69e82251e398285d5454cb7e341f_JaffaCakes118.exe
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	649e69e82251e398285d5454cb7e341f_JaffaCakes118.exe

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

Web Service

T1102

flow	ioc
29	drive.google.com
30	drive.google.com

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2732	649e69e82251e398285d5454cb7e341f_JaffaCakes118.exe
2580	649e69e82251e398285d5454cb7e341f_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2732 set thread context of 2580	2732	649e69e82251e398285d5454cb7e341f_JaffaCakes118.exe	94

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	649e69e82251e398285d5454cb7e341f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	649e69e82251e398285d5454cb7e341f_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2732	649e69e82251e398285d5454cb7e341f_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2732	649e69e82251e398285d5454cb7e341f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 2580	2732	649e69e82251e398285d5454cb7e341f_JaffaCakes118.exe	94
PID 2732 wrote to memory of 2580	2732	649e69e82251e398285d5454cb7e341f_JaffaCakes118.exe	94
PID 2732 wrote to memory of 2580	2732	649e69e82251e398285d5454cb7e341f_JaffaCakes118.exe	94
PID 2732 wrote to memory of 2580	2732	649e69e82251e398285d5454cb7e341f_JaffaCakes118.exe	94

C:\Users\Admin\AppData\Local\Temp\649e69e82251e398285d5454cb7e341f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\649e69e82251e398285d5454cb7e341f_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:2732
- C:\Users\Admin\AppData\Local\Temp\649e69e82251e398285d5454cb7e341f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\649e69e82251e398285d5454cb7e341f_JaffaCakes118.exe"
  2⤵
  - Checks QEMU agent file
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  PID:2580

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/2580-5-0x0000000000400000-0x000000000055D000-memory.dmp

Filesize
1.4MB

Download
memory/2580-9-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/2580-10-0x0000000077C41000-0x0000000077D61000-memory.dmp

Filesize
1.1MB

Download
memory/2580-20-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/2580-21-0x0000000000400000-0x000000000055D000-memory.dmp

Filesize
1.4MB

Download
memory/2732-2-0x00000000021F0000-0x0000000002203000-memory.dmp

Filesize
76KB

Download
memory/2732-3-0x0000000077C41000-0x0000000077D61000-memory.dmp

Filesize
1.1MB

Download
memory/2732-4-0x00000000021F0000-0x0000000002203000-memory.dmp

Filesize
76KB

Download
memory/2732-8-0x0000000077C41000-0x0000000077D61000-memory.dmp

Filesize
1.1MB

Download
memory/2732-7-0x00000000021F0000-0x0000000002203000-memory.dmp

Filesize
76KB

Download