smokeloader | 85fb2a5fc04e93c9bb993e7a776a3345be25f9736e11506f6b66d04525312308

Analysis

max time kernel
146s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
28-05-2024 09:34

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General

Target

85fb2a5fc04e93c9bb993e7a776a3345be25f9736e11506f6b66d04525312308.exe
Size

316KB
MD5

eb213b4d899235186b8094242c6cbeb8
SHA1

17354cb779212f54f4dc102f592d80bea94d433d
SHA256

85fb2a5fc04e93c9bb993e7a776a3345be25f9736e11506f6b66d04525312308
SHA512

6ba28ddce8b607d2a51e12a1710a22ff49957921340d627b7cecdb3ce3016ea2bba726ea4b2a7a43291c9aba91d036c07c41cb90973882babaab206e68ab50d7
SSDEEP

6144:qnBgx7IXwXcGdAY4E6PMulje7LTlcM4vd:qnBMIXwMGqYb6PBlmVcM41

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

2224 4212 WerFault.exe 85fb2a5fc04e93c9bb993e7a776a3345be25f9736e11506f6b66d04525312308.exe

pid	pid_target	process	target process
2224	4212	WerFault.exe	85fb2a5fc04e93c9bb993e7a776a3345be25f9736e11506f6b66d04525312308.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:

85fb2a5fc04e93c9bb993e7a776a3345be25f9736e11506f6b66d04525312308.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	85fb2a5fc04e93c9bb993e7a776a3345be25f9736e11506f6b66d04525312308.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	85fb2a5fc04e93c9bb993e7a776a3345be25f9736e11506f6b66d04525312308.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	85fb2a5fc04e93c9bb993e7a776a3345be25f9736e11506f6b66d04525312308.exe

C:\Users\Admin\AppData\Local\Temp\85fb2a5fc04e93c9bb993e7a776a3345be25f9736e11506f6b66d04525312308.exe
"C:\Users\Admin\AppData\Local\Temp\85fb2a5fc04e93c9bb993e7a776a3345be25f9736e11506f6b66d04525312308.exe"
1⤵
- Checks SCSI registry key(s)
PID:4212
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4212 -s 388
  2⤵
  - Program crash
  PID:2224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4212 -ip 4212
1⤵
PID:124

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/4212-2-0x0000000002DB0000-0x0000000002DBB000-memory.dmp

Filesize
44KB

Download
memory/4212-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4212-1-0x0000000002F40000-0x0000000003040000-memory.dmp

Filesize
1024KB

Download
memory/4212-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4212-4-0x0000000000400000-0x0000000002CAE000-memory.dmp

Filesize
40.7MB

Download