smokeloader | 4b32d81d7fc74d0058426c7839e7dd49a74420daca4e2b6a219370de64cc7540

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 23:28

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General

Target

4b32d81d7fc74d0058426c7839e7dd49a74420daca4e2b6a219370de64cc7540.exe
Size

323KB
MD5

8ec21dae006badd32959d4e22494e7ec
SHA1

179b584054a9ceee26a0aa35abf95ad1c64243c5
SHA256

4b32d81d7fc74d0058426c7839e7dd49a74420daca4e2b6a219370de64cc7540
SHA512

2076c021d053f0d0e28c8b6d84962385ddb78d81863c63a3411322f42edd4d5bf9f6db647426c3cf871ac4558e9a1e8e827e246b3cffc02a6cc5419259310567
SSDEEP

6144:0wO5a3LPuJ54z255IBH/Zn/mohXSVPPzPnoqAtNa7Nhqa8tv:0wOa3juL4zTF/Z/gnznjcaJhO

Score

10^/10

smokeloader pub4 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub4

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
8	3940	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	4b32d81d7fc74d0058426c7839e7dd49a74420daca4e2b6a219370de64cc7540.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	4b32d81d7fc74d0058426c7839e7dd49a74420daca4e2b6a219370de64cc7540.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4b32d81d7fc74d0058426c7839e7dd49a74420daca4e2b6a219370de64cc7540.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4b32d81d7fc74d0058426c7839e7dd49a74420daca4e2b6a219370de64cc7540.exe

C:\Users\Admin\AppData\Local\Temp\4b32d81d7fc74d0058426c7839e7dd49a74420daca4e2b6a219370de64cc7540.exe
"C:\Users\Admin\AppData\Local\Temp\4b32d81d7fc74d0058426c7839e7dd49a74420daca4e2b6a219370de64cc7540.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:3940
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 364
  2⤵
  - Program crash
  PID:8

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3940 -ip 3940
1⤵
PID:2320

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/3940-0-0x00000000001C0000-0x00000000001EB000-memory.dmp

Filesize
172KB

Download
memory/3940-1-0x0000000000520000-0x000000000052B000-memory.dmp

Filesize
44KB

Download
memory/3940-2-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3940-3-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/3940-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3940-5-0x0000000000520000-0x000000000052B000-memory.dmp

Filesize
44KB

Download
memory/3940-4-0x00000000001C0000-0x00000000001EB000-memory.dmp

Filesize
172KB

Download