smokeloader | 71f78b8ea9a26b45321cc9a009824e2544ba1052f5e2d75d2d9291e4642ee270

Resubmissions

29-08-2024 07:35

240829-je4t5azdnb 10

29-08-2024 04:27

240829-e24enatdmc 10

Analysis

max time kernel
134s
max time network
136s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
29-08-2024 07:35

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General

Target

03877abf483cfd06d88d7ce54b425620N.exe
Size

280KB
MD5

03877abf483cfd06d88d7ce54b425620
SHA1

5249fb5adb210b2ba86ceedb0888f239b84bd399
SHA256

71f78b8ea9a26b45321cc9a009824e2544ba1052f5e2d75d2d9291e4642ee270
SHA512

f2c32fd82ea9979c87c9e7ddb588fa539d197f420ffe82c1127323c7165d5fbfde6dc2ab2fd152a6f89b8551a2291775f45655940a68a500875732cf2ed01ddc
SSDEEP

6144:FaN6w1ri50kUbHlS6H1ZnV2z36xKeOpnr+TIlv:u6OWOk6IyBAzKxZgy6v

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
2820	03877abf483cfd06d88d7ce54b425620N.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4588	2820	WerFault.exe	73

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	03877abf483cfd06d88d7ce54b425620N.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	03877abf483cfd06d88d7ce54b425620N.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	03877abf483cfd06d88d7ce54b425620N.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	03877abf483cfd06d88d7ce54b425620N.exe

C:\Users\Admin\AppData\Local\Temp\03877abf483cfd06d88d7ce54b425620N.exe
"C:\Users\Admin\AppData\Local\Temp\03877abf483cfd06d88d7ce54b425620N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:2820
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2820 -s 512
  2⤵
  - Program crash
  PID:4588

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

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

Filesize
1.5MB

MD5
50741b3f2d7debf5d2bed63d88404029

SHA1
56210388a627b926162b36967045be06ffb1aad3

SHA256
f2f8732ae464738372ff274b7e481366cecdd2337210d4a3cbcd089c958a730c

SHA512
fac6bfe35b1ee08b3d42d330516a260d9cdb4a90bbb0491411a583029b92a59d20af3552372ea8fb3f59442b3945bf524ef284127f397ae7179467080be8e9b3

Download Submit
memory/2820-1-0x0000000000AB0000-0x0000000000BB0000-memory.dmp

Filesize
1024KB

Download
memory/2820-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2820-3-0x0000000000400000-0x000000000083F000-memory.dmp

Filesize
4.2MB

Download
memory/2820-8-0x0000000000400000-0x000000000083F000-memory.dmp

Filesize
4.2MB

Download
memory/2820-9-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download