smokeloader | c35b69346c336a94c9f193bac00971cf455f59d07816e72ea0b93438b5e858f3

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
19-04-2024 07:28

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General

Target

c35b69346c336a94c9f193bac00971cf455f59d07816e72ea0b93438b5e858f3.exe
Size

242KB
MD5

4fd9caec64f84f02b2cfdda2309b99b5
SHA1

c17231b5ea677a1d5ad8f0c06ddcc3728da5bcb9
SHA256

c35b69346c336a94c9f193bac00971cf455f59d07816e72ea0b93438b5e858f3
SHA512

b3d58baf3fe33c6b30c5f13b11a76473d26fa7845b0b169947894ba797de8cad5fff5e1322a8580b1d49b436ad1ce9b613febc5bcf7752963fb7378f8d475675
SSDEEP

3072:XULiAfEZo3Vo8YuEgC4hraI67c5+gJO+VRmCB44:kLpmo3S8YuDCIehHgJzDp

Score

10^/10

smokeloader pub3 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

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

1576 4276 WerFault.exe c35b69346c336a94c9f193bac00971cf455f59d07816e72ea0b93438b5e858f3.exe

pid	pid_target	process	target process
1576	4276	WerFault.exe	c35b69346c336a94c9f193bac00971cf455f59d07816e72ea0b93438b5e858f3.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:

c35b69346c336a94c9f193bac00971cf455f59d07816e72ea0b93438b5e858f3.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c35b69346c336a94c9f193bac00971cf455f59d07816e72ea0b93438b5e858f3.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c35b69346c336a94c9f193bac00971cf455f59d07816e72ea0b93438b5e858f3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c35b69346c336a94c9f193bac00971cf455f59d07816e72ea0b93438b5e858f3.exe

C:\Users\Admin\AppData\Local\Temp\c35b69346c336a94c9f193bac00971cf455f59d07816e72ea0b93438b5e858f3.exe
"C:\Users\Admin\AppData\Local\Temp\c35b69346c336a94c9f193bac00971cf455f59d07816e72ea0b93438b5e858f3.exe"
1⤵
- Checks SCSI registry key(s)
PID:4276

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4276 -s 352
2⤵
- Program crash
PID:1576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4276 -ip 4276
1⤵
PID:2120

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

Replay Monitor

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Downloads

memory/4276-2-0x0000000002D70000-0x0000000002D7B000-memory.dmp

Filesize
44KB

Download
memory/4276-1-0x0000000002F40000-0x0000000003040000-memory.dmp

Filesize
1024KB

Download
memory/4276-3-0x0000000000400000-0x0000000002C1F000-memory.dmp

Filesize
40.1MB

Download
memory/4276-4-0x0000000000400000-0x0000000002C1F000-memory.dmp

Filesize
40.1MB

Download