guloader | b3cc4e1f09aa77a31e7071f2a505bfe5f13f9ec3cb73997b0d4a5ac36fc710fa

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 14:12

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2020 ORDERS.exe
Size

48KB
MD5

73286015e393e84ed9de6bac47026c0e
SHA1

a25fc0f6100b97e522875ffc650b90e22db399c2
SHA256

9e4af6893873207e1945b734ceddef69ebcbe5c2b6b68a1a2a3b8adbc04a241f
SHA512

23971c9b8d59ff4a19ae7ab6f5601cb7a52b043a1565281afa752d1806e084cb2328d1d166b778d01a53581de80507fa0b280abf08d53a6adf293eb9031bc630
SSDEEP

768:C/L/6YGYmNJ/AKXN0iRLVbqHoKyQG0F0aQK3LSTZof7:C/k7/AeeiZVbhUTyDseT87

Score

10^/10

guloader discovery downloader guloader

Malware Config

Extracted

Family

guloader

http://careint.pw/docs/pdf/arab_encrypted_6CFC030.bin

xor.base64

Signatures

Guloader family
guloader
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader

Guloader payload 1 IoCs

guloader

resource	yara_rule
behavioral13/memory/2644-2-0x0000000000290000-0x0000000000298000-memory.dmp	family_guloader

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2644	2020 ORDERS.exe
2680	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2644 set thread context of 2680	2644	2020 ORDERS.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	2020 ORDERS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2644	2020 ORDERS.exe
2644	2020 ORDERS.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2644	2020 ORDERS.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 1924	2644	2020 ORDERS.exe	30
PID 2644 wrote to memory of 1924	2644	2020 ORDERS.exe	30
PID 2644 wrote to memory of 1924	2644	2020 ORDERS.exe	30
PID 2644 wrote to memory of 1924	2644	2020 ORDERS.exe	30
PID 2644 wrote to memory of 1924	2644	2020 ORDERS.exe	30
PID 2644 wrote to memory of 1924	2644	2020 ORDERS.exe	30
PID 2644 wrote to memory of 1924	2644	2020 ORDERS.exe	30
PID 2644 wrote to memory of 2680	2644	2020 ORDERS.exe	31
PID 2644 wrote to memory of 2680	2644	2020 ORDERS.exe	31
PID 2644 wrote to memory of 2680	2644	2020 ORDERS.exe	31
PID 2644 wrote to memory of 2680	2644	2020 ORDERS.exe	31
PID 2644 wrote to memory of 2680	2644	2020 ORDERS.exe	31
PID 2644 wrote to memory of 2680	2644	2020 ORDERS.exe	31
PID 2644 wrote to memory of 2680	2644	2020 ORDERS.exe	31
PID 2644 wrote to memory of 2680	2644	2020 ORDERS.exe	31

C:\Users\Admin\AppData\Local\Temp\2020 ORDERS.exe
"C:\Users\Admin\AppData\Local\Temp\2020 ORDERS.exe"
1⤵
- 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:2644
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Users\Admin\AppData\Local\Temp\2020 ORDERS.exe"
  2⤵
  PID:1924
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Users\Admin\AppData\Local\Temp\2020 ORDERS.exe"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  PID:2680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2644-2-0x0000000000290000-0x0000000000298000-memory.dmp

Filesize
32KB

Download
memory/2644-3-0x0000000077720000-0x00000000777F6000-memory.dmp

Filesize
856KB

Download
memory/2644-4-0x0000000077531000-0x0000000077632000-memory.dmp

Filesize
1.0MB

Download
memory/2644-6-0x0000000000290000-0x0000000000298000-memory.dmp

Filesize
32KB

Download
memory/2644-7-0x0000000000290000-0x0000000000298000-memory.dmp

Filesize
32KB

Download
memory/2680-5-0x0000000077530000-0x00000000776D9000-memory.dmp

Filesize
1.7MB

Download