smokeloader | 4367fc928d3a1b2fae8d4fbbf8bb11370fd3f26e518e63f5d93dbaf9d22c9898

Analysis

max time kernel
139s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
31-08-2024 08:14

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General

Target

f2098dee0235dad60f4dca29f7ecff6df226a359ce627d3aebd13fd261adbdb1.exe
Size

309KB
MD5

9c58b5c0741fb0618c2ee0494170136f
SHA1

30af39a58c52cca6ee59a10a86d10125bb3108b4
SHA256

f2098dee0235dad60f4dca29f7ecff6df226a359ce627d3aebd13fd261adbdb1
SHA512

b49ba400df78d2dd37892976d3c4dc06aeffe9082f1f04da7ee477b70d26f1daec996a19273cb5a7c584d97405e60ebce36f9bb5b95ea4a2a1e5b88c2b5baf43
SSDEEP

6144:cWvutpTaVdm+Iv0Tu6p4lbGMdfbUt5lJ1YT:cWvYaVk+I8xp4l3lbUt53U

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4272 set thread context of 3912	4272	f2098dee0235dad60f4dca29f7ecff6df226a359ce627d3aebd13fd261adbdb1.exe	87

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	f2098dee0235dad60f4dca29f7ecff6df226a359ce627d3aebd13fd261adbdb1.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	f2098dee0235dad60f4dca29f7ecff6df226a359ce627d3aebd13fd261adbdb1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f2098dee0235dad60f4dca29f7ecff6df226a359ce627d3aebd13fd261adbdb1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f2098dee0235dad60f4dca29f7ecff6df226a359ce627d3aebd13fd261adbdb1.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4272 wrote to memory of 3912	4272	f2098dee0235dad60f4dca29f7ecff6df226a359ce627d3aebd13fd261adbdb1.exe	87
PID 4272 wrote to memory of 3912	4272	f2098dee0235dad60f4dca29f7ecff6df226a359ce627d3aebd13fd261adbdb1.exe	87
PID 4272 wrote to memory of 3912	4272	f2098dee0235dad60f4dca29f7ecff6df226a359ce627d3aebd13fd261adbdb1.exe	87
PID 4272 wrote to memory of 3912	4272	f2098dee0235dad60f4dca29f7ecff6df226a359ce627d3aebd13fd261adbdb1.exe	87
PID 4272 wrote to memory of 3912	4272	f2098dee0235dad60f4dca29f7ecff6df226a359ce627d3aebd13fd261adbdb1.exe	87
PID 4272 wrote to memory of 3912	4272	f2098dee0235dad60f4dca29f7ecff6df226a359ce627d3aebd13fd261adbdb1.exe	87

C:\Users\Admin\AppData\Local\Temp\f2098dee0235dad60f4dca29f7ecff6df226a359ce627d3aebd13fd261adbdb1.exe
"C:\Users\Admin\AppData\Local\Temp\f2098dee0235dad60f4dca29f7ecff6df226a359ce627d3aebd13fd261adbdb1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4272
- C:\Users\Admin\AppData\Local\Temp\f2098dee0235dad60f4dca29f7ecff6df226a359ce627d3aebd13fd261adbdb1.exe
  "C:\Users\Admin\AppData\Local\Temp\f2098dee0235dad60f4dca29f7ecff6df226a359ce627d3aebd13fd261adbdb1.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:3912

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/3912-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3912-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3912-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4272-1-0x0000000001A30000-0x0000000001B30000-memory.dmp

Filesize
1024KB

Download
memory/4272-2-0x0000000001A20000-0x0000000001A29000-memory.dmp

Filesize
36KB

Download