smokeloader | b67202f4b9479500062d6775aa6b274720fec0d0684367d354749044bbbd737a

Analysis

max time kernel
94s
max time network
136s
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 13:22

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General

Target

b67202f4b9479500062d6775aa6b274720fec0d0684367d354749044bbbd737a.exe
Size

127KB
MD5

b5d2d2f33611908ec6a9752f68bbd742
SHA1

30a8be5b5c59cb5de26677aebacea23d1aeb26d2
SHA256

b67202f4b9479500062d6775aa6b274720fec0d0684367d354749044bbbd737a
SHA512

41f7110aa7f8014e74044a3b1c00592f84145243cda32e59c1d4c5c1486173fdbceee6b7a396d0a372deb2707942871a5cecd693585d06a826e144a49742220b
SSDEEP

3072:Z4NCaM15/ZGUkgHsycZjCXWqfPbxKX73z:iNI5RGUDDcpbqflAv

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

b67202f4b9479500062d6775aa6b274720fec0d0684367d354749044bbbd737a.exe

description	pid	Process	procid_target
PID 4836 set thread context of 3656	4836	b67202f4b9479500062d6775aa6b274720fec0d0684367d354749044bbbd737a.exe	86

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

Processes:

b67202f4b9479500062d6775aa6b274720fec0d0684367d354749044bbbd737a.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b67202f4b9479500062d6775aa6b274720fec0d0684367d354749044bbbd737a.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

Processes:

b67202f4b9479500062d6775aa6b274720fec0d0684367d354749044bbbd737a.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b67202f4b9479500062d6775aa6b274720fec0d0684367d354749044bbbd737a.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b67202f4b9479500062d6775aa6b274720fec0d0684367d354749044bbbd737a.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b67202f4b9479500062d6775aa6b274720fec0d0684367d354749044bbbd737a.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

b67202f4b9479500062d6775aa6b274720fec0d0684367d354749044bbbd737a.exe

description	pid	Process	procid_target
PID 4836 wrote to memory of 3656	4836	b67202f4b9479500062d6775aa6b274720fec0d0684367d354749044bbbd737a.exe	86
PID 4836 wrote to memory of 3656	4836	b67202f4b9479500062d6775aa6b274720fec0d0684367d354749044bbbd737a.exe	86
PID 4836 wrote to memory of 3656	4836	b67202f4b9479500062d6775aa6b274720fec0d0684367d354749044bbbd737a.exe	86
PID 4836 wrote to memory of 3656	4836	b67202f4b9479500062d6775aa6b274720fec0d0684367d354749044bbbd737a.exe	86
PID 4836 wrote to memory of 3656	4836	b67202f4b9479500062d6775aa6b274720fec0d0684367d354749044bbbd737a.exe	86
PID 4836 wrote to memory of 3656	4836	b67202f4b9479500062d6775aa6b274720fec0d0684367d354749044bbbd737a.exe	86

C:\Users\Admin\AppData\Local\Temp\b67202f4b9479500062d6775aa6b274720fec0d0684367d354749044bbbd737a.exe
"C:\Users\Admin\AppData\Local\Temp\b67202f4b9479500062d6775aa6b274720fec0d0684367d354749044bbbd737a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4836
- C:\Users\Admin\AppData\Local\Temp\b67202f4b9479500062d6775aa6b274720fec0d0684367d354749044bbbd737a.exe
  "C:\Users\Admin\AppData\Local\Temp\b67202f4b9479500062d6775aa6b274720fec0d0684367d354749044bbbd737a.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:3656

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/3656-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3656-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3656-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4836-1-0x0000000000690000-0x0000000000790000-memory.dmp

Filesize
1024KB

Download
memory/4836-2-0x0000000000610000-0x0000000000619000-memory.dmp

Filesize
36KB

Download