smokeloader | 687a83f2a23dbf36788d3776d1165a19bc2464e8f08886092adda83ffbabf630

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-08-2024 08:21

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General

Target

0a08ba33834594bf47de5b8583d76e30N.exe
Size

274KB
MD5

0a08ba33834594bf47de5b8583d76e30
SHA1

40bb296bd172a42674fb276eb2f36377b8306157
SHA256

687a83f2a23dbf36788d3776d1165a19bc2464e8f08886092adda83ffbabf630
SHA512

76776e7fbc8847d85929477ddaec3408f27463fdbe377eaf74e69b26453d0ffe6a6410a643e16fac53a9942fcb383345fc46624ecded7fadedd5b13fe576975e
SSDEEP

3072:duL95jj4eztSPzJindHia5IsuVCgAz3+8Rx8RYeuk6Fk8gCTChVb0dc/sTWCHAVM:EL95jjRRSPsiaG03+m+eGhBkywAV+8

Score

10^/10

smokeloader pub6 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub6

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
3500	0a08ba33834594bf47de5b8583d76e30N.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1980	3500	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	0a08ba33834594bf47de5b8583d76e30N.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 enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0a08ba33834594bf47de5b8583d76e30N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0a08ba33834594bf47de5b8583d76e30N.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0a08ba33834594bf47de5b8583d76e30N.exe

C:\Users\Admin\AppData\Local\Temp\0a08ba33834594bf47de5b8583d76e30N.exe
"C:\Users\Admin\AppData\Local\Temp\0a08ba33834594bf47de5b8583d76e30N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:3500
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3500 -s 376
  2⤵
  - Program crash
  PID:1980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3500 -ip 3500
1⤵
PID:2672

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

C:\Users\Admin\AppData\Local\Temp\CC4F.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/3500-3-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/3500-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3500-1-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/3500-10-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3500-9-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download