smokeloader | f6dbd7deff3d7d6265f975fb067a780536555baa78db06ea6138f39e50712ee9

Analysis

max time kernel
149s
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
15-12-2024 13:48

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General

Target

826b84405feb5e71fd9ea9a8b2d8e6b79ad37487f706d0e10cc61c8884229424.exe
Size

648KB
MD5

8f2761d2cbf7b7cf13e4cffb5ef39922
SHA1

d75f4fa25f1cae8d96825882fa3ebe085e7d3e77
SHA256

826b84405feb5e71fd9ea9a8b2d8e6b79ad37487f706d0e10cc61c8884229424
SHA512

8ebc49fcf3c83e8275b202724846348a0886af7171a438d2572125b7314a4863b4cf7676aa9dba0bd1a811ef27ab2d9f12fe4121a96fddfa1f28154386003fa2
SSDEEP

12288:tUdYc2t6o3liPtHaf6Z5rk3AoML1IvX9Dkntr/wJ69JK1BQfdFyXuwIq8gS:tUdYueYofudk39vNQV06+BQfdFyXrhS

Score

10^/10

smokeloader li90 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

li90

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
2988	826b84405feb5e71fd9ea9a8b2d8e6b79ad37487f706d0e10cc61c8884229424.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2020	2988	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	826b84405feb5e71fd9ea9a8b2d8e6b79ad37487f706d0e10cc61c8884229424.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	826b84405feb5e71fd9ea9a8b2d8e6b79ad37487f706d0e10cc61c8884229424.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	826b84405feb5e71fd9ea9a8b2d8e6b79ad37487f706d0e10cc61c8884229424.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	826b84405feb5e71fd9ea9a8b2d8e6b79ad37487f706d0e10cc61c8884229424.exe

C:\Users\Admin\AppData\Local\Temp\826b84405feb5e71fd9ea9a8b2d8e6b79ad37487f706d0e10cc61c8884229424.exe
"C:\Users\Admin\AppData\Local\Temp\826b84405feb5e71fd9ea9a8b2d8e6b79ad37487f706d0e10cc61c8884229424.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:2988
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2988 -s 496
  2⤵
  - Program crash
  PID:2020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2988 -ip 2988
1⤵
PID:1932

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

C:\Users\Admin\AppData\Local\Temp\5C1B.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/2988-0-0x0000000012F20000-0x0000000012F21000-memory.dmp

Filesize
4KB

Download
memory/2988-3-0x0000000012F50000-0x0000000012F5A000-memory.dmp

Filesize
40KB

Download
memory/2988-2-0x0000000012F40000-0x0000000012F4A000-memory.dmp

Filesize
40KB

Download
memory/2988-1-0x0000000012F20000-0x0000000012F21000-memory.dmp

Filesize
4KB

Download
memory/2988-8-0x0000000012F50000-0x0000000012F5A000-memory.dmp

Filesize
40KB

Download