guloader | db48dc160b1f48b8939b0d49c5f0bee2a28bc3b340cff62cea8da50424e1afea

Analysis

max time kernel
142s
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
03-11-2024 08:21

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General

Target

8a8006fefc0565530f63be48c5e24631_JaffaCakes118.exe
Size

152KB
MD5

8a8006fefc0565530f63be48c5e24631
SHA1

cfdacf507d4bf932401642dd7c62d8aae6dc65f3
SHA256

db48dc160b1f48b8939b0d49c5f0bee2a28bc3b340cff62cea8da50424e1afea
SHA512

2d62c365578a329bc995feff1abe473c82675c3c97660e46139859505f088efc0107a2d227d6fd9fb46dc7204c7dacd6e5ebea48751b9953b87e3797f5eea956
SSDEEP

3072:gxEJpxEqxE2wzwcqvJRFwasAe3crw9xEAxEKxEJ:GEJ7EAE2Uqh0+6EmEgEJ

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	8a8006fefc0565530f63be48c5e24631_JaffaCakes118.exe
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	8a8006fefc0565530f63be48c5e24631_JaffaCakes118.exe

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

Web Service

T1102

flow	ioc
26	drive.google.com
27	drive.google.com

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2152	8a8006fefc0565530f63be48c5e24631_JaffaCakes118.exe
2072	8a8006fefc0565530f63be48c5e24631_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2152 set thread context of 2072	2152	8a8006fefc0565530f63be48c5e24631_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	8a8006fefc0565530f63be48c5e24631_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8a8006fefc0565530f63be48c5e24631_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2152	8a8006fefc0565530f63be48c5e24631_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2152	8a8006fefc0565530f63be48c5e24631_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 2072	2152	8a8006fefc0565530f63be48c5e24631_JaffaCakes118.exe	94
PID 2152 wrote to memory of 2072	2152	8a8006fefc0565530f63be48c5e24631_JaffaCakes118.exe	94
PID 2152 wrote to memory of 2072	2152	8a8006fefc0565530f63be48c5e24631_JaffaCakes118.exe	94
PID 2152 wrote to memory of 2072	2152	8a8006fefc0565530f63be48c5e24631_JaffaCakes118.exe	94

C:\Users\Admin\AppData\Local\Temp\8a8006fefc0565530f63be48c5e24631_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8a8006fefc0565530f63be48c5e24631_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:2152
- C:\Users\Admin\AppData\Local\Temp\8a8006fefc0565530f63be48c5e24631_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\8a8006fefc0565530f63be48c5e24631_JaffaCakes118.exe"
  2⤵
  - Checks QEMU agent file
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  PID:2072

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/2072-6-0x0000000000400000-0x000000000055D000-memory.dmp

Filesize
1.4MB

Download
memory/2072-9-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/2072-11-0x0000000077731000-0x0000000077851000-memory.dmp

Filesize
1.1MB

Download
memory/2072-10-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/2072-18-0x0000000000400000-0x000000000055D000-memory.dmp

Filesize
1.4MB

Download
memory/2152-2-0x00000000021F0000-0x0000000002203000-memory.dmp

Filesize
76KB

Download
memory/2152-3-0x00000000021F0000-0x0000000002203000-memory.dmp

Filesize
76KB

Download
memory/2152-4-0x0000000077731000-0x0000000077851000-memory.dmp

Filesize
1.1MB

Download
memory/2152-8-0x00000000021F0000-0x0000000002203000-memory.dmp

Filesize
76KB

Download
memory/2152-5-0x0000000077731000-0x0000000077851000-memory.dmp

Filesize
1.1MB

Download