smokeloader | 370470933fa395f9e3fb8b2de0364ce918e370a3dbe1d05ebb000a3d31907af4

Analysis

max time kernel
100s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17-04-2024 13:42

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General

Target

f856e03efe9736f82094b6fe22d52bea2e93cf753ba411a1a7bff7748d355f50.exe
Size

241KB
MD5

b1f9eb2bbac45b63c4d955946e52b9ad
SHA1

c09501f8c111548ec54403f146ca766d800c7339
SHA256

f856e03efe9736f82094b6fe22d52bea2e93cf753ba411a1a7bff7748d355f50
SHA512

f1e3439e2b74a6173d531dc6e6ddfcae42e1ff52f5d67e06b4cd9a6c0e3c9288026b8539571f953a3870f421bfe8fb93f53a1719cecb19c7b2664687fe3ad0f3
SSDEEP

3072:gCmf2F5pvxIAS5SUr9iaJGF4xMLBuaJszYjflIG5jyWGhW5tdP/Hhdl:gjfqv2AyIaJGyxu2sfL5jXd

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

2324 3068 WerFault.exe f856e03efe9736f82094b6fe22d52bea2e93cf753ba411a1a7bff7748d355f50.exe

pid	pid_target	process	target process
2324	3068	WerFault.exe	f856e03efe9736f82094b6fe22d52bea2e93cf753ba411a1a7bff7748d355f50.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:

f856e03efe9736f82094b6fe22d52bea2e93cf753ba411a1a7bff7748d355f50.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f856e03efe9736f82094b6fe22d52bea2e93cf753ba411a1a7bff7748d355f50.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f856e03efe9736f82094b6fe22d52bea2e93cf753ba411a1a7bff7748d355f50.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f856e03efe9736f82094b6fe22d52bea2e93cf753ba411a1a7bff7748d355f50.exe

C:\Users\Admin\AppData\Local\Temp\f856e03efe9736f82094b6fe22d52bea2e93cf753ba411a1a7bff7748d355f50.exe
"C:\Users\Admin\AppData\Local\Temp\f856e03efe9736f82094b6fe22d52bea2e93cf753ba411a1a7bff7748d355f50.exe"
1⤵
- Checks SCSI registry key(s)
PID:3068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3068 -s 352
2⤵
- Program crash
PID:2324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3068 -ip 3068
1⤵
PID:2328

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/3068-1-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download
memory/3068-2-0x00000000005F0000-0x00000000005FB000-memory.dmp

Filesize
44KB

Download
memory/3068-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3068-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download