guloader | 75fdb848eac332b4ca7d88f497e7ba7ebbb9a798d825b28cf1f87b9d7149e87f

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 03:04

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General

Target

makave (2)_protected_68A4BB0.exe
Size

52KB
MD5

d6e2c068e30e1c6bc6aa27368930c12c
SHA1

2582f973de8c840192d55bd144d65c0a4d475247
SHA256

f74d3364ef9d3e3df4173a7f12d48348af44bf150c0ffcd01f0054e86ebb7e0e
SHA512

f0d4aa83f6779f550b6a88a2b8b9459d92961190ff1d747c9529919bed7149648ef27c7f205c75465fa843d3c747d9db6e5ede0ef8e231895f1e8dd8010652e9
SSDEEP

768:9dOvsirFVc8suQRjR+DK+QXxoGHdXBplrUeIk:risiSFjR1BdHdXBfp

Score

10^/10

guloader discovery downloader

Malware Config

Extracted

Family

guloader

https://onedrive.live.com/download?cid=674027E0093531EF&resid=674027E0093531EF%21115&authkey=AGjbhIm6m1Nvx-w

xor.base64

Signatures

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

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2704	makave (2)_protected_68A4BB0.exe
2824	makave (2)_protected_68A4BB0.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2704 set thread context of 2824	2704	makave (2)_protected_68A4BB0.exe	30

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	makave (2)_protected_68A4BB0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	makave (2)_protected_68A4BB0.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2704	makave (2)_protected_68A4BB0.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2704	makave (2)_protected_68A4BB0.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 2824	2704	makave (2)_protected_68A4BB0.exe	30
PID 2704 wrote to memory of 2824	2704	makave (2)_protected_68A4BB0.exe	30
PID 2704 wrote to memory of 2824	2704	makave (2)_protected_68A4BB0.exe	30
PID 2704 wrote to memory of 2824	2704	makave (2)_protected_68A4BB0.exe	30
PID 2704 wrote to memory of 2824	2704	makave (2)_protected_68A4BB0.exe	30

C:\Users\Admin\AppData\Local\Temp\makave (2)_protected_68A4BB0.exe
"C:\Users\Admin\AppData\Local\Temp\makave (2)_protected_68A4BB0.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:2704
- C:\Users\Admin\AppData\Local\Temp\makave (2)_protected_68A4BB0.exe
  "C:\Users\Admin\AppData\Local\Temp\makave (2)_protected_68A4BB0.exe"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  PID:2824

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabFD83.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarFDA5.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2704-2-0x00000000002A0000-0x00000000002A8000-memory.dmp

Filesize
32KB

Download
memory/2704-3-0x00000000771E0000-0x00000000772B6000-memory.dmp

Filesize
856KB

Download
memory/2704-5-0x00000000002A0000-0x00000000002A8000-memory.dmp

Filesize
32KB

Download
memory/2704-4-0x0000000076FF1000-0x00000000770F2000-memory.dmp

Filesize
1.0MB

Download
memory/2824-6-0x0000000000400000-0x0000000000553000-memory.dmp

Filesize
1.3MB

Download
memory/2824-8-0x00000000001B0000-0x00000000002B0000-memory.dmp

Filesize
1024KB

Download
memory/2824-9-0x0000000076FF0000-0x0000000077199000-memory.dmp

Filesize
1.7MB

Download
memory/2824-332-0x0000000000400000-0x0000000000553000-memory.dmp

Filesize
1.3MB

Download