smokeloader | 876ec57a6de326532920c5f9cf8d37cc31955fd12489481a4d8a4abdf9994b68

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
28-05-2024 12:19

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General

Target

876ec57a6de326532920c5f9cf8d37cc31955fd12489481a4d8a4abdf9994b68.exe
Size

316KB
MD5

a0bb5fb7dc300ebd12849f2e2ea4594f
SHA1

ad3342f44d1c2702a9fcf892093f980c88c88c55
SHA256

876ec57a6de326532920c5f9cf8d37cc31955fd12489481a4d8a4abdf9994b68
SHA512

ab73ae22323f26cd534f50fe4bb18cf180d6445d1dd8fd8ff8de7b61ec0a894e9a19c109d5802b43d8cdab1742e4753b9517d8c6fa8ccba80b192a5910f9e174
SSDEEP

6144:mchwJ7Af4FcD83rTb4QJhw8K+yXhA50o3mZTb+el:mchMAf4+D83UQJhwj67mZx

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

2400 2464 WerFault.exe 876ec57a6de326532920c5f9cf8d37cc31955fd12489481a4d8a4abdf9994b68.exe

pid	pid_target	process	target process
2400	2464	WerFault.exe	876ec57a6de326532920c5f9cf8d37cc31955fd12489481a4d8a4abdf9994b68.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:

876ec57a6de326532920c5f9cf8d37cc31955fd12489481a4d8a4abdf9994b68.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	876ec57a6de326532920c5f9cf8d37cc31955fd12489481a4d8a4abdf9994b68.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	876ec57a6de326532920c5f9cf8d37cc31955fd12489481a4d8a4abdf9994b68.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	876ec57a6de326532920c5f9cf8d37cc31955fd12489481a4d8a4abdf9994b68.exe

C:\Users\Admin\AppData\Local\Temp\876ec57a6de326532920c5f9cf8d37cc31955fd12489481a4d8a4abdf9994b68.exe
"C:\Users\Admin\AppData\Local\Temp\876ec57a6de326532920c5f9cf8d37cc31955fd12489481a4d8a4abdf9994b68.exe"
1⤵
- Checks SCSI registry key(s)
PID:2464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 352
2⤵
- Program crash
PID:2400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2464 -ip 2464
1⤵
PID:4036

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/2464-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2464-2-0x0000000002F10000-0x0000000002F1B000-memory.dmp

Filesize
44KB

Download
memory/2464-1-0x0000000002FC0000-0x00000000030C0000-memory.dmp

Filesize
1024KB

Download
memory/2464-4-0x0000000000400000-0x0000000002CAE000-memory.dmp

Filesize
40.7MB

Download