smokeloader | 27548678b449d05590c8822ca5c5859e0cb89110baac729bfe37780bf9cb2e64

Analysis

max time kernel
92s
max time network
93s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
02-05-2024 04:49

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General

Target

27548678b449d05590c8822ca5c5859e0cb89110baac729bfe37780bf9cb2e64.exe
Size

264KB
MD5

4ec857d2fa7f87200522d9e1088db589
SHA1

6d0ad2c5abd78dfb6097cae67083dc4df5e512af
SHA256

27548678b449d05590c8822ca5c5859e0cb89110baac729bfe37780bf9cb2e64
SHA512

b1eda10575ebd9adb7da0d666d4eec2b19279fe0d21415526db32e4e078ffea416f5dd2484dfcd50fe0bd58ae776b59b139105ad792bd705fb271569f30671a8
SSDEEP

3072:T4/7I1pLzvVkP+RAL+iSHU8MouqLd1q7/ocb2crEFUL2TSqEPbDCC:1ZLyPg0XtqL3q7AclEFnTSvP

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

4284 3176 WerFault.exe 27548678b449d05590c8822ca5c5859e0cb89110baac729bfe37780bf9cb2e64.exe

pid	pid_target	process	target process
4284	3176	WerFault.exe	27548678b449d05590c8822ca5c5859e0cb89110baac729bfe37780bf9cb2e64.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:

27548678b449d05590c8822ca5c5859e0cb89110baac729bfe37780bf9cb2e64.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	27548678b449d05590c8822ca5c5859e0cb89110baac729bfe37780bf9cb2e64.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	27548678b449d05590c8822ca5c5859e0cb89110baac729bfe37780bf9cb2e64.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	27548678b449d05590c8822ca5c5859e0cb89110baac729bfe37780bf9cb2e64.exe

C:\Users\Admin\AppData\Local\Temp\27548678b449d05590c8822ca5c5859e0cb89110baac729bfe37780bf9cb2e64.exe
"C:\Users\Admin\AppData\Local\Temp\27548678b449d05590c8822ca5c5859e0cb89110baac729bfe37780bf9cb2e64.exe"
1⤵
- Checks SCSI registry key(s)
PID:3176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3176 -s 508
2⤵
- Program crash
PID:4284

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3176 -ip 3176
1⤵
PID:3516

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

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Downloads

memory/3176-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3176-2-0x0000000001BF0000-0x0000000001BFB000-memory.dmp

Filesize
44KB

Download
memory/3176-1-0x0000000001C00000-0x0000000001D00000-memory.dmp

Filesize
1024KB

Download
memory/3176-4-0x0000000000400000-0x0000000001A0D000-memory.dmp

Filesize
22.1MB

Download