smokeloader | cb5fe5f824bff23d7f954691b622b103876651b1c34a3d95be3a3b8f9cb4e309

Analysis

max time kernel
148s
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
09-11-2024 22:25

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General

Target

cb5fe5f824bff23d7f954691b622b103876651b1c34a3d95be3a3b8f9cb4e309.exe
Size

300KB
MD5

65b71456b50e85da1da591f19efcabac
SHA1

801418b86d48aa8a4891b4e626e379176c8e5029
SHA256

cb5fe5f824bff23d7f954691b622b103876651b1c34a3d95be3a3b8f9cb4e309
SHA512

b185ef98e0f706a1578afc380623d278aa4790dc2d227cf82134f4d73f3f12931ee76c35e879de3a56adb635dae0046eb2b0e4957edd021022912a0a79b50284
SSDEEP

6144:7yMNFlFQULpGET3iB1ELMa59MiCwDYYy3lnBi:2MrZpGETSB1ELMwMiCwDq5B

Score

10^/10

smokeloader pub3 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1216 set thread context of 2532	1216	cb5fe5f824bff23d7f954691b622b103876651b1c34a3d95be3a3b8f9cb4e309.exe	88

System Location Discovery: System Language Discovery 1 TTPs 1 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	cb5fe5f824bff23d7f954691b622b103876651b1c34a3d95be3a3b8f9cb4e309.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cb5fe5f824bff23d7f954691b622b103876651b1c34a3d95be3a3b8f9cb4e309.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cb5fe5f824bff23d7f954691b622b103876651b1c34a3d95be3a3b8f9cb4e309.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cb5fe5f824bff23d7f954691b622b103876651b1c34a3d95be3a3b8f9cb4e309.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1216 wrote to memory of 2532	1216	cb5fe5f824bff23d7f954691b622b103876651b1c34a3d95be3a3b8f9cb4e309.exe	88
PID 1216 wrote to memory of 2532	1216	cb5fe5f824bff23d7f954691b622b103876651b1c34a3d95be3a3b8f9cb4e309.exe	88
PID 1216 wrote to memory of 2532	1216	cb5fe5f824bff23d7f954691b622b103876651b1c34a3d95be3a3b8f9cb4e309.exe	88
PID 1216 wrote to memory of 2532	1216	cb5fe5f824bff23d7f954691b622b103876651b1c34a3d95be3a3b8f9cb4e309.exe	88
PID 1216 wrote to memory of 2532	1216	cb5fe5f824bff23d7f954691b622b103876651b1c34a3d95be3a3b8f9cb4e309.exe	88
PID 1216 wrote to memory of 2532	1216	cb5fe5f824bff23d7f954691b622b103876651b1c34a3d95be3a3b8f9cb4e309.exe	88

C:\Users\Admin\AppData\Local\Temp\cb5fe5f824bff23d7f954691b622b103876651b1c34a3d95be3a3b8f9cb4e309.exe
"C:\Users\Admin\AppData\Local\Temp\cb5fe5f824bff23d7f954691b622b103876651b1c34a3d95be3a3b8f9cb4e309.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1216
- C:\Users\Admin\AppData\Local\Temp\cb5fe5f824bff23d7f954691b622b103876651b1c34a3d95be3a3b8f9cb4e309.exe
  "C:\Users\Admin\AppData\Local\Temp\cb5fe5f824bff23d7f954691b622b103876651b1c34a3d95be3a3b8f9cb4e309.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:2532

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1216-1-0x0000000000800000-0x0000000000900000-memory.dmp

Filesize
1024KB

Download
memory/1216-2-0x0000000002210000-0x0000000002219000-memory.dmp

Filesize
36KB

Download
memory/2532-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2532-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2532-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download