smokeloader | 59b562be727536aa9d8498466a0d817c5f09950c5963c953d5c7de1412ec8be8

Analysis

max time kernel
146s
max time network
151s
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 13:05

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General

Target

59b562be727536aa9d8498466a0d817c5f09950c5963c953d5c7de1412ec8be8.exe
Size

315KB
MD5

46eff2a991aa2b6007ad3c9e31d36b3e
SHA1

2dd6bb8682be000071b0ad9d9b136d2e9f6ac198
SHA256

59b562be727536aa9d8498466a0d817c5f09950c5963c953d5c7de1412ec8be8
SHA512

851f870ae67e1454742dad18bddafea89f3cc3839e5086797a22276f959308683fbc674f898951a30fc720a91c7cba98cd1e402e5a7c2a935cfd0ffc0fd6d2fa
SSDEEP

6144:s6qtCFXBMUWWWBNovtO1UbIdXFYxd3i08H+BZTb+el:s6qtCF+UWW22t6FYxF98eZx

Score

10^/10

smokeloader pub3 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

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

4992 3744 WerFault.exe 59b562be727536aa9d8498466a0d817c5f09950c5963c953d5c7de1412ec8be8.exe

pid	pid_target	process	target process
4992	3744	WerFault.exe	59b562be727536aa9d8498466a0d817c5f09950c5963c953d5c7de1412ec8be8.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:

59b562be727536aa9d8498466a0d817c5f09950c5963c953d5c7de1412ec8be8.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	59b562be727536aa9d8498466a0d817c5f09950c5963c953d5c7de1412ec8be8.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	59b562be727536aa9d8498466a0d817c5f09950c5963c953d5c7de1412ec8be8.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	59b562be727536aa9d8498466a0d817c5f09950c5963c953d5c7de1412ec8be8.exe

C:\Users\Admin\AppData\Local\Temp\59b562be727536aa9d8498466a0d817c5f09950c5963c953d5c7de1412ec8be8.exe
"C:\Users\Admin\AppData\Local\Temp\59b562be727536aa9d8498466a0d817c5f09950c5963c953d5c7de1412ec8be8.exe"
1⤵
- Checks SCSI registry key(s)
PID:3744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3744 -s 384
2⤵
- Program crash
PID:4992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3744 -ip 3744
1⤵
PID:4872

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/3744-1-0x0000000002E90000-0x0000000002F90000-memory.dmp

Filesize
1024KB

Download
memory/3744-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3744-2-0x00000000049B0000-0x00000000049BB000-memory.dmp

Filesize
44KB

Download
memory/3744-4-0x0000000000400000-0x0000000002CAE000-memory.dmp

Filesize
40.7MB

Download