smokeloader | a53ecd87816b3b67e565c14c5e10e6a39a91400f8bb1d616abb15b7ea456b687

Analysis

max time kernel
92s
max time network
95s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
28-06-2024 19:46

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General

Target

a53ecd87816b3b67e565c14c5e10e6a39a91400f8bb1d616abb15b7ea456b687.exe
Size

277KB
MD5

10b8399f2dbedc9e97ee3a4e094258e2
SHA1

adc859c9f33b6c7aed34b9400c1c0f5286d3b244
SHA256

a53ecd87816b3b67e565c14c5e10e6a39a91400f8bb1d616abb15b7ea456b687
SHA512

238ec05241dba2ed0d863c5ec108f4ba57911453e7a6436d77d5dce2957d757cfa5fe9f7ac87ed5cecd6b23a2f35cc1df78132a6a6aa934625aa8d8ca6a7be7e
SSDEEP

3072:79o+JLzTGu51dqJutzirBnn8B+ycWmPyzBQ85Nge/qBeATlTzXmZFqNsyKHm:RPJLzT1tirBC+p6qbBpzXmZQL

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

2248 628 WerFault.exe a53ecd87816b3b67e565c14c5e10e6a39a91400f8bb1d616abb15b7ea456b687.exe

pid	pid_target	process	target process
2248	628	WerFault.exe	a53ecd87816b3b67e565c14c5e10e6a39a91400f8bb1d616abb15b7ea456b687.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:

a53ecd87816b3b67e565c14c5e10e6a39a91400f8bb1d616abb15b7ea456b687.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a53ecd87816b3b67e565c14c5e10e6a39a91400f8bb1d616abb15b7ea456b687.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a53ecd87816b3b67e565c14c5e10e6a39a91400f8bb1d616abb15b7ea456b687.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a53ecd87816b3b67e565c14c5e10e6a39a91400f8bb1d616abb15b7ea456b687.exe

C:\Users\Admin\AppData\Local\Temp\a53ecd87816b3b67e565c14c5e10e6a39a91400f8bb1d616abb15b7ea456b687.exe
"C:\Users\Admin\AppData\Local\Temp\a53ecd87816b3b67e565c14c5e10e6a39a91400f8bb1d616abb15b7ea456b687.exe"
1⤵
- Checks SCSI registry key(s)
PID:628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 628 -s 404
2⤵
- Program crash
PID:2248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 628 -ip 628
1⤵
PID:4556

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/628-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/628-2-0x0000000004070000-0x000000000407B000-memory.dmp

Filesize
44KB

Download
memory/628-1-0x00000000026D0000-0x00000000027D0000-memory.dmp

Filesize
1024KB

Download
memory/628-4-0x0000000000400000-0x0000000002361000-memory.dmp

Filesize
31.4MB

Download