smokeloader | bc27b3afc72c925df021166fccc262ccf75e2be6f8b04c6772ed36ee8d5a1de0

Analysis

max time kernel
136s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
07-02-2025 04:55

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General

Target

a059d671d950abee93ef78a170d58a3839c2a465914ab3bd5411e39c89ae55a2.exe
Size

249KB
MD5

6476071b5a91ac078350768dc9b2e953
SHA1

f40fcb5af96c56305a64790ccbaa261c10173782
SHA256

a059d671d950abee93ef78a170d58a3839c2a465914ab3bd5411e39c89ae55a2
SHA512

87784413018fea89dff5763d08e00d878af9a3db6b29708dec6fe0d0d3feb4eb8f3efc5c27851d13eb779bd3dedebdcc5958e349b8acc03102f8be6b0dd78f9d
SSDEEP

6144:H5LCUgHU2L8e3oGdA0UkzFYc5NHuPCYE:H5GUyUC7oeARkjSCYE

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

pid	pid_target	Process	procid_target
3028	4516	WerFault.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	a059d671d950abee93ef78a170d58a3839c2a465914ab3bd5411e39c89ae55a2.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 queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a059d671d950abee93ef78a170d58a3839c2a465914ab3bd5411e39c89ae55a2.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a059d671d950abee93ef78a170d58a3839c2a465914ab3bd5411e39c89ae55a2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a059d671d950abee93ef78a170d58a3839c2a465914ab3bd5411e39c89ae55a2.exe

C:\Users\Admin\AppData\Local\Temp\a059d671d950abee93ef78a170d58a3839c2a465914ab3bd5411e39c89ae55a2.exe
"C:\Users\Admin\AppData\Local\Temp\a059d671d950abee93ef78a170d58a3839c2a465914ab3bd5411e39c89ae55a2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4516
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4516 -s 352
  2⤵
  - Program crash
  PID:3028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4516 -ip 4516
1⤵
PID:4676

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/4516-2-0x0000000000790000-0x000000000079B000-memory.dmp

Filesize
44KB

Download
memory/4516-1-0x00000000007A0000-0x00000000008A0000-memory.dmp

Filesize
1024KB

Download
memory/4516-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4516-4-0x0000000000400000-0x000000000053A000-memory.dmp

Filesize
1.2MB

Download
memory/4516-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4516-5-0x0000000000790000-0x000000000079B000-memory.dmp

Filesize
44KB

Download