smokeloader | 23bc5f4a87c1375b4b75c77d2d546a530cc424e553b461e6c9f242320ae956ac

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26-09-2024 19:31

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General

Target

23bc5f4a87c1375b4b75c77d2d546a530cc424e553b461e6c9f242320ae956ac.exe
Size

250KB
MD5

2e98326e9a500976a510f8da7067c266
SHA1

0b46ce2db20ad6bb44b1bca86f20203b07d5edfb
SHA256

23bc5f4a87c1375b4b75c77d2d546a530cc424e553b461e6c9f242320ae956ac
SHA512

8050c9c1c1ac0592841fbfc43a8387f01e71e72200b8e38e126842a3cb22edf3bdadcb57f422a10fbef3030f53f174694899f90b84d98470b020749ead0b056e
SSDEEP

3072:/LcNaUxM/0Jz9rzA7KYd8WR3eTdBDwCcbn5+XVYz3M5CxZ2HVWaej:/LcUoMcHQu4RYdBDZFYc5iYW

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
216	4476	WerFault.exe	81

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	23bc5f4a87c1375b4b75c77d2d546a530cc424e553b461e6c9f242320ae956ac.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	23bc5f4a87c1375b4b75c77d2d546a530cc424e553b461e6c9f242320ae956ac.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	23bc5f4a87c1375b4b75c77d2d546a530cc424e553b461e6c9f242320ae956ac.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	23bc5f4a87c1375b4b75c77d2d546a530cc424e553b461e6c9f242320ae956ac.exe

C:\Users\Admin\AppData\Local\Temp\23bc5f4a87c1375b4b75c77d2d546a530cc424e553b461e6c9f242320ae956ac.exe
"C:\Users\Admin\AppData\Local\Temp\23bc5f4a87c1375b4b75c77d2d546a530cc424e553b461e6c9f242320ae956ac.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4476
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4476 -s 352
  2⤵
  - Program crash
  PID:216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4476 -ip 4476
1⤵
PID:5032

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

memory/4476-1-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/4476-2-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4476-3-0x0000000000400000-0x000000000053B000-memory.dmp

Filesize
1.2MB

Download
memory/4476-4-0x0000000000400000-0x000000000053B000-memory.dmp

Filesize
1.2MB

Download
memory/4476-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download