smokeloader | b3f10d20f03bc19fb62a3955b3fba5ef882e5ee9f9be8d78bd72c85f9b600fb3

Analysis

max time kernel
148s
max time network
150s
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 07:57

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General

Target

b3f10d20f03bc19fb62a3955b3fba5ef882e5ee9f9be8d78bd72c85f9b600fb3.exe
Size

238KB
MD5

77f1e8e02d1699bcbd481f85eb3d5d57
SHA1

0c4e84353bc312c7057044502d70d1b25f2583d5
SHA256

b3f10d20f03bc19fb62a3955b3fba5ef882e5ee9f9be8d78bd72c85f9b600fb3
SHA512

a99f22f703dc7a26f1367bd54bd2fd28411e8eac282edd3839e33db70c0fe5b34622be552acecde66f126d3b0c219990e942fecd17f310fce7f3ad190c3b0905
SSDEEP

1536:CXjy5nzg1NDNVWJ17EIdmPakzV6QHWTY7Qe9RwE3R1f112Vve4yvazVuORw7ra4m:CWh81jW10YY7xRw6R31weHaJzRv4u

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
4800	3920	WerFault.exe	82

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:

b3f10d20f03bc19fb62a3955b3fba5ef882e5ee9f9be8d78bd72c85f9b600fb3.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b3f10d20f03bc19fb62a3955b3fba5ef882e5ee9f9be8d78bd72c85f9b600fb3.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:

b3f10d20f03bc19fb62a3955b3fba5ef882e5ee9f9be8d78bd72c85f9b600fb3.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b3f10d20f03bc19fb62a3955b3fba5ef882e5ee9f9be8d78bd72c85f9b600fb3.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b3f10d20f03bc19fb62a3955b3fba5ef882e5ee9f9be8d78bd72c85f9b600fb3.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b3f10d20f03bc19fb62a3955b3fba5ef882e5ee9f9be8d78bd72c85f9b600fb3.exe

C:\Users\Admin\AppData\Local\Temp\b3f10d20f03bc19fb62a3955b3fba5ef882e5ee9f9be8d78bd72c85f9b600fb3.exe
"C:\Users\Admin\AppData\Local\Temp\b3f10d20f03bc19fb62a3955b3fba5ef882e5ee9f9be8d78bd72c85f9b600fb3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:3920
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3920 -s 356
  2⤵
  - Program crash
  PID:4800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3920 -ip 3920
1⤵
PID:2468

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

Replay Monitor

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Downloads

memory/3920-1-0x0000000000720000-0x0000000000820000-memory.dmp

Filesize
1024KB

Download
memory/3920-2-0x00000000006F0000-0x00000000006F9000-memory.dmp

Filesize
36KB

Download
memory/3920-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3920-5-0x00000000006F0000-0x00000000006F9000-memory.dmp

Filesize
36KB

Download
memory/3920-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3920-4-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download