smokeloader | 26c4292572bafad83c4b2d6f9a78661e8cbc03ff87b1ed90608cbade6f72381c

Analysis

max time kernel
92s
max time network
95s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
12-05-2024 07:14

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General

Target

26c4292572bafad83c4b2d6f9a78661e8cbc03ff87b1ed90608cbade6f72381c.exe
Size

239KB
MD5

3d0675c5714ecb295c32d791f3c5b284
SHA1

f1294de31d83d3779d05c68cb0d9e429e8502c38
SHA256

26c4292572bafad83c4b2d6f9a78661e8cbc03ff87b1ed90608cbade6f72381c
SHA512

f3ea917e1a4ab78adcd2cc30fee514e00e424847ead6b22e5853635f52b1d84d659611d2aea06022fe2356b0b1bf40e422d4cec2edfd9ca882b77d8a6549bfc5
SSDEEP

3072:tjkBtfJGEzB8pGAMXkaFl/+N15MV/6fjHMNmfwZ5+Kj/6Ghds9ySPeyd6:tc/MwAMU+/HyYmqCGiySPj

Score

10^/10

smokeloader pub1 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

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

4868 244 WerFault.exe 26c4292572bafad83c4b2d6f9a78661e8cbc03ff87b1ed90608cbade6f72381c.exe

pid	pid_target	process	target process
4868	244	WerFault.exe	26c4292572bafad83c4b2d6f9a78661e8cbc03ff87b1ed90608cbade6f72381c.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:

26c4292572bafad83c4b2d6f9a78661e8cbc03ff87b1ed90608cbade6f72381c.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	26c4292572bafad83c4b2d6f9a78661e8cbc03ff87b1ed90608cbade6f72381c.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	26c4292572bafad83c4b2d6f9a78661e8cbc03ff87b1ed90608cbade6f72381c.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	26c4292572bafad83c4b2d6f9a78661e8cbc03ff87b1ed90608cbade6f72381c.exe

C:\Users\Admin\AppData\Local\Temp\26c4292572bafad83c4b2d6f9a78661e8cbc03ff87b1ed90608cbade6f72381c.exe
"C:\Users\Admin\AppData\Local\Temp\26c4292572bafad83c4b2d6f9a78661e8cbc03ff87b1ed90608cbade6f72381c.exe"
1⤵
- Checks SCSI registry key(s)
PID:244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 244 -s 384
2⤵
- Program crash
PID:4868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 244 -ip 244
1⤵
PID:4368

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/244-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/244-2-0x0000000000A00000-0x0000000000A0B000-memory.dmp

Filesize
44KB

Download
memory/244-1-0x0000000000A10000-0x0000000000B10000-memory.dmp

Filesize
1024KB

Download
memory/244-4-0x0000000000400000-0x0000000000793000-memory.dmp

Filesize
3.6MB

Download