smokeloader | b173e617fe7cf822915a6d95bbba7935ad0f16fa5e334be6c7b85290b9b8ab2c

Analysis

max time kernel
128s
max time network
140s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
30-06-2024 12:29

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General

Target

b173e617fe7cf822915a6d95bbba7935ad0f16fa5e334be6c7b85290b9b8ab2c.exe
Size

222KB
MD5

b2a74324e7570bdd7a2eaa9d165bfda3
SHA1

b3fdbdcd8da293f0feaa2df0a7bb2d8fa48e5701
SHA256

b173e617fe7cf822915a6d95bbba7935ad0f16fa5e334be6c7b85290b9b8ab2c
SHA512

adb707b5aa4ce306f302a4b390d5e40667c3568d3814753a95ef96f387d3fe4cbc4bd3f367c893ef775f24a844c6f45543c5416d153d20ff534ae7b16677ea5c
SSDEEP

6144:t6xCNsCaRUy72ELsa5X0eOBJpHJXkMcD:MxSsCaRUy72EdXR4VCD

Score

10^/10

smokeloader pub2 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

240 4688 WerFault.exe b173e617fe7cf822915a6d95bbba7935ad0f16fa5e334be6c7b85290b9b8ab2c.exe

pid	pid_target	process	target process
240	4688	WerFault.exe	b173e617fe7cf822915a6d95bbba7935ad0f16fa5e334be6c7b85290b9b8ab2c.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

Processes:

b173e617fe7cf822915a6d95bbba7935ad0f16fa5e334be6c7b85290b9b8ab2c.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b173e617fe7cf822915a6d95bbba7935ad0f16fa5e334be6c7b85290b9b8ab2c.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b173e617fe7cf822915a6d95bbba7935ad0f16fa5e334be6c7b85290b9b8ab2c.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b173e617fe7cf822915a6d95bbba7935ad0f16fa5e334be6c7b85290b9b8ab2c.exe

C:\Users\Admin\AppData\Local\Temp\b173e617fe7cf822915a6d95bbba7935ad0f16fa5e334be6c7b85290b9b8ab2c.exe
"C:\Users\Admin\AppData\Local\Temp\b173e617fe7cf822915a6d95bbba7935ad0f16fa5e334be6c7b85290b9b8ab2c.exe"
1⤵
- Checks SCSI registry key(s)
PID:4688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 384
2⤵
- Program crash
PID:240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4688 -ip 4688
1⤵
PID:3248

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/4688-1-0x0000000002EA0000-0x0000000002FA0000-memory.dmp

Filesize
1024KB

Download
memory/4688-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4688-2-0x0000000002E50000-0x0000000002E5B000-memory.dmp

Filesize
44KB

Download
memory/4688-4-0x0000000000400000-0x0000000002BF0000-memory.dmp

Filesize
39.9MB

Download