smokeloader | 95f88751283272061f2825423adee58354d94fa06148ccd658010707487ef724

General

Target

95f88751283272061f2825423adee58354d94fa06148ccd658010707487ef724.exe
Size

2.5MB
MD5

d718ccb9736375a58e85e65f37ac6e44
SHA1

9ef2ae9c5ee182af47e51e3e0304e331911a5685
SHA256

95f88751283272061f2825423adee58354d94fa06148ccd658010707487ef724
SHA512

d4718337dd8ab9cd78e87331a6ab12e82bad655e39f1c6f47ff388ce2f280694448fab88a457c68df5c30891884f4d47947ccedf153d85c49923bdaafccd2e41
SSDEEP

49152:fNnW8yZQvjT88cKCsZTVaPpQjShi10dahpmruj5VbLZqUlH:f2l8ckqf8oVrOdqUlH

Score

10^/10

smokeloader backdoor discovery evasion trojan

Malware Config

Signatures

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

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	95f88751283272061f2825423adee58354d94fa06148ccd658010707487ef724.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	95f88751283272061f2825423adee58354d94fa06148ccd658010707487ef724.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	95f88751283272061f2825423adee58354d94fa06148ccd658010707487ef724.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	95f88751283272061f2825423adee58354d94fa06148ccd658010707487ef724.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1920	95f88751283272061f2825423adee58354d94fa06148ccd658010707487ef724.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3012	1920	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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	95f88751283272061f2825423adee58354d94fa06148ccd658010707487ef724.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	95f88751283272061f2825423adee58354d94fa06148ccd658010707487ef724.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	95f88751283272061f2825423adee58354d94fa06148ccd658010707487ef724.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	95f88751283272061f2825423adee58354d94fa06148ccd658010707487ef724.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1920	95f88751283272061f2825423adee58354d94fa06148ccd658010707487ef724.exe
1920	95f88751283272061f2825423adee58354d94fa06148ccd658010707487ef724.exe

C:\Users\Admin\AppData\Local\Temp\95f88751283272061f2825423adee58354d94fa06148ccd658010707487ef724.exe
"C:\Users\Admin\AppData\Local\Temp\95f88751283272061f2825423adee58354d94fa06148ccd658010707487ef724.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
PID:1920
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1920 -s 360
  2⤵
  - Program crash
  PID:3012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1920 -ip 1920
1⤵
PID:4900

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1920-0-0x0000000000400000-0x0000000000CB4000-memory.dmp

Filesize
8.7MB

Download
memory/1920-1-0x0000000002830000-0x000000000286F000-memory.dmp

Filesize
252KB

Download
memory/1920-2-0x0000000000401000-0x0000000000409000-memory.dmp

Filesize
32KB

Download
memory/1920-3-0x0000000000400000-0x0000000000CB4000-memory.dmp

Filesize
8.7MB

Download
memory/1920-4-0x0000000000400000-0x0000000000CB4000-memory.dmp

Filesize
8.7MB

Download
memory/1920-5-0x0000000000400000-0x0000000000CB4000-memory.dmp

Filesize
8.7MB

Download
memory/1920-6-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/1920-7-0x0000000000400000-0x0000000000CB4000-memory.dmp

Filesize
8.7MB

Download
memory/1920-8-0x0000000000400000-0x0000000000CB4000-memory.dmp

Filesize
8.7MB

Download
memory/1920-9-0x0000000000400000-0x0000000000CB4000-memory.dmp

Filesize
8.7MB

Download
memory/1920-11-0x0000000000400000-0x0000000000CB4000-memory.dmp

Filesize
8.7MB

Download
memory/1920-13-0x0000000000400000-0x0000000000CB4000-memory.dmp

Filesize
8.7MB

Download
memory/1920-12-0x0000000000400000-0x0000000000CB4000-memory.dmp

Filesize
8.7MB

Download
memory/1920-10-0x0000000000400000-0x0000000000CB4000-memory.dmp

Filesize
8.7MB

Download
memory/1920-16-0x0000000000401000-0x0000000000409000-memory.dmp

Filesize
32KB

Download
memory/1920-15-0x0000000002830000-0x000000000286F000-memory.dmp

Filesize
252KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads