smokeloader | b04730e2d55e6742d7b52b05cb7b5f5fcedafe4db616229445ee27cbe32f045c

Analysis

max time kernel
94s
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
15-12-2024 13:35

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General

Target

b04730e2d55e6742d7b52b05cb7b5f5fcedafe4db616229445ee27cbe32f045c.exe
Size

217KB
MD5

5d9aed4c13b23046ddb13dea788a0d35
SHA1

0b6bf297150d24a7c3a78bc8177d53b3b7ba362d
SHA256

b04730e2d55e6742d7b52b05cb7b5f5fcedafe4db616229445ee27cbe32f045c
SHA512

76501dbc9f753bdf4de0d9998707cd12cf983ec060be73fb8b1f4183036f4956b6c37233ad9388d1b7d0c5bb2481689f5531638b92ff1f8365d16b271e622642
SSDEEP

3072:H4xJWpwy90JAOULLoL43JXdbBtRK67xvf55oChdAvrUsPIuYjojYe+vIYwdrSx:YxU79fLJDRKUxvfh2vrwREse+wfdrS

Score

10^/10

smokeloader pub2 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

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 3896 set thread context of 3624	3896	b04730e2d55e6742d7b52b05cb7b5f5fcedafe4db616229445ee27cbe32f045c.exe	83

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	b04730e2d55e6742d7b52b05cb7b5f5fcedafe4db616229445ee27cbe32f045c.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	b04730e2d55e6742d7b52b05cb7b5f5fcedafe4db616229445ee27cbe32f045c.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b04730e2d55e6742d7b52b05cb7b5f5fcedafe4db616229445ee27cbe32f045c.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b04730e2d55e6742d7b52b05cb7b5f5fcedafe4db616229445ee27cbe32f045c.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3896 wrote to memory of 3624	3896	b04730e2d55e6742d7b52b05cb7b5f5fcedafe4db616229445ee27cbe32f045c.exe	83
PID 3896 wrote to memory of 3624	3896	b04730e2d55e6742d7b52b05cb7b5f5fcedafe4db616229445ee27cbe32f045c.exe	83
PID 3896 wrote to memory of 3624	3896	b04730e2d55e6742d7b52b05cb7b5f5fcedafe4db616229445ee27cbe32f045c.exe	83
PID 3896 wrote to memory of 3624	3896	b04730e2d55e6742d7b52b05cb7b5f5fcedafe4db616229445ee27cbe32f045c.exe	83
PID 3896 wrote to memory of 3624	3896	b04730e2d55e6742d7b52b05cb7b5f5fcedafe4db616229445ee27cbe32f045c.exe	83
PID 3896 wrote to memory of 3624	3896	b04730e2d55e6742d7b52b05cb7b5f5fcedafe4db616229445ee27cbe32f045c.exe	83

C:\Users\Admin\AppData\Local\Temp\b04730e2d55e6742d7b52b05cb7b5f5fcedafe4db616229445ee27cbe32f045c.exe
"C:\Users\Admin\AppData\Local\Temp\b04730e2d55e6742d7b52b05cb7b5f5fcedafe4db616229445ee27cbe32f045c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3896
- C:\Users\Admin\AppData\Local\Temp\b04730e2d55e6742d7b52b05cb7b5f5fcedafe4db616229445ee27cbe32f045c.exe
  "C:\Users\Admin\AppData\Local\Temp\b04730e2d55e6742d7b52b05cb7b5f5fcedafe4db616229445ee27cbe32f045c.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:3624

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/3624-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3624-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3624-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3896-1-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download
memory/3896-2-0x00000000021A0000-0x00000000021A9000-memory.dmp

Filesize
36KB

Download