smokeloader | 6f7ca34f9fae5bc11a56b45349a5f4f7343bd7e73f43d38bd954579ec6e7cb2f

Analysis

max time kernel
146s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
25-06-2024 15:35

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General

Target

6f7ca34f9fae5bc11a56b45349a5f4f7343bd7e73f43d38bd954579ec6e7cb2f.exe
Size

323KB
MD5

66e0f60aa8f0d81c80cd5c7820c9331e
SHA1

84a073290e53f5ceb91e5972d548b4b4520e0efd
SHA256

6f7ca34f9fae5bc11a56b45349a5f4f7343bd7e73f43d38bd954579ec6e7cb2f
SHA512

b687069c8b2790b0726df1c71f16d2879d852c570b20809dcf440597c5a988fd5a0c1a0ab346279e73c441c178e924af1d9a54825f724124d75bacb127cfa751
SSDEEP

3072:e/KLx37je5kOFdJv8qkrLKSToGr5xAt4Ltb1Ek1E5xTEqS:eiLd7jqbzkaSkaA8RN3

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

1436 4732 WerFault.exe 6f7ca34f9fae5bc11a56b45349a5f4f7343bd7e73f43d38bd954579ec6e7cb2f.exe

pid	pid_target	process	target process
1436	4732	WerFault.exe	6f7ca34f9fae5bc11a56b45349a5f4f7343bd7e73f43d38bd954579ec6e7cb2f.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:

6f7ca34f9fae5bc11a56b45349a5f4f7343bd7e73f43d38bd954579ec6e7cb2f.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	6f7ca34f9fae5bc11a56b45349a5f4f7343bd7e73f43d38bd954579ec6e7cb2f.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	6f7ca34f9fae5bc11a56b45349a5f4f7343bd7e73f43d38bd954579ec6e7cb2f.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	6f7ca34f9fae5bc11a56b45349a5f4f7343bd7e73f43d38bd954579ec6e7cb2f.exe

C:\Users\Admin\AppData\Local\Temp\6f7ca34f9fae5bc11a56b45349a5f4f7343bd7e73f43d38bd954579ec6e7cb2f.exe
"C:\Users\Admin\AppData\Local\Temp\6f7ca34f9fae5bc11a56b45349a5f4f7343bd7e73f43d38bd954579ec6e7cb2f.exe"
1⤵
- Checks SCSI registry key(s)
PID:4732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4732 -s 400
2⤵
- Program crash
PID:1436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4732 -ip 4732
1⤵
PID:5052

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/4732-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4732-2-0x0000000004440000-0x000000000444B000-memory.dmp

Filesize
44KB

Download
memory/4732-1-0x0000000002880000-0x0000000002980000-memory.dmp

Filesize
1024KB

Download
memory/4732-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4732-4-0x0000000000400000-0x000000000273D000-memory.dmp

Filesize
35.2MB

Download