smokeloader | bd5cb5ed04f67f5a6f2f5411e9ad5c457c0c3e3bf3a38e4996624bdfba01d98d

Analysis

max time kernel
132s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
24/05/2024, 07:42

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General

Target
bd0a957eaebb4aaad5274b94282e2e629645d3cfc2d373f90812b885800536c0.exe
Size 270KB
Sample240524-jjsbwsab65
SHA256 bd0a957eaebb4aaad5274b94282e2e629645d3cfc2d373f90812b885800536c0
MD5 fedcba531f97a219853ff2322af626d0
SHA1 b141998a2cf8032e977f2ea8d7a5de8721422c5c
SHA512 f540b590cb1b2933c928262a57246f32bc9dc1538159870e9a31dbc61fe78ff3d95306c1cba96249ae0c43765981cd7fe41fa289382531a6ce6ca923665a3aff
SSDEEP 6144:svpK3RlYo26KFCW8m3JqxAO1A591bVx7:sRK3zZ2tnEbA5
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

smokeloader backdoor 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 3328 set thread context of 4312	3328	bd0a957eaebb4aaad5274b94282e2e629645d3cfc2d373f90812b885800536c0.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3488	3328	WerFault.exe	81

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

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3328 wrote to memory of 4312	3328	bd0a957eaebb4aaad5274b94282e2e629645d3cfc2d373f90812b885800536c0.exe	82
PID 3328 wrote to memory of 4312	3328	bd0a957eaebb4aaad5274b94282e2e629645d3cfc2d373f90812b885800536c0.exe	82
PID 3328 wrote to memory of 4312	3328	bd0a957eaebb4aaad5274b94282e2e629645d3cfc2d373f90812b885800536c0.exe	82
PID 3328 wrote to memory of 4312	3328	bd0a957eaebb4aaad5274b94282e2e629645d3cfc2d373f90812b885800536c0.exe	82
PID 3328 wrote to memory of 4312	3328	bd0a957eaebb4aaad5274b94282e2e629645d3cfc2d373f90812b885800536c0.exe	82
PID 3328 wrote to memory of 4312	3328	bd0a957eaebb4aaad5274b94282e2e629645d3cfc2d373f90812b885800536c0.exe	82

C:\Users\Admin\AppData\Local\Temp\bd0a957eaebb4aaad5274b94282e2e629645d3cfc2d373f90812b885800536c0.exe
"C:\Users\Admin\AppData\Local\Temp\bd0a957eaebb4aaad5274b94282e2e629645d3cfc2d373f90812b885800536c0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3328
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:4312
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3328 -s 408
  2⤵
  - Program crash
  PID:3488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3328 -ip 3328
1⤵
PID:3456

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4312-0-0x0000000000400000-0x0000000000409000-memory.dmp

Download

memory/4312-1-0x0000000000400000-0x0000000000409000-memory.dmp