smokeloader | 99ca854a87b708ab32b6e660302828267d490b43fac47283a3ecc475b93ef679

Analysis

max time kernel
146s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
17-05-2024 04:48

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General

Target

99ca854a87b708ab32b6e660302828267d490b43fac47283a3ecc475b93ef679.exe
Size

213KB
MD5

aa4164aa83e511f0f52f538877182bd8
SHA1

08bf860052da356d13788fe5ae4293d31db01772
SHA256

99ca854a87b708ab32b6e660302828267d490b43fac47283a3ecc475b93ef679
SHA512

7a6fd1d34b071c1a0314c0b0100d4209ab158d1070dd092ef61e403585699149b9db177f9d021cab615bf84852788f1f17e41243a817bdd798dbceaf60263410
SSDEEP

3072:O69kqtwXaQ96B8s+FmENMtPSYL8U4Nww05Vt+UXi/Re:2XiOFmENUKYLt4wsUo

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

2404 3992 WerFault.exe 99ca854a87b708ab32b6e660302828267d490b43fac47283a3ecc475b93ef679.exe

pid	pid_target	process	target process
2404	3992	WerFault.exe	99ca854a87b708ab32b6e660302828267d490b43fac47283a3ecc475b93ef679.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:

99ca854a87b708ab32b6e660302828267d490b43fac47283a3ecc475b93ef679.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	99ca854a87b708ab32b6e660302828267d490b43fac47283a3ecc475b93ef679.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	99ca854a87b708ab32b6e660302828267d490b43fac47283a3ecc475b93ef679.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	99ca854a87b708ab32b6e660302828267d490b43fac47283a3ecc475b93ef679.exe

C:\Users\Admin\AppData\Local\Temp\99ca854a87b708ab32b6e660302828267d490b43fac47283a3ecc475b93ef679.exe
"C:\Users\Admin\AppData\Local\Temp\99ca854a87b708ab32b6e660302828267d490b43fac47283a3ecc475b93ef679.exe"
1⤵
- Checks SCSI registry key(s)
PID:3992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3992 -s 384
2⤵
- Program crash
PID:2404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3992 -ip 3992
1⤵
PID:1620

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/3992-1-0x0000000002880000-0x0000000002980000-memory.dmp

Filesize
1024KB

Download
memory/3992-2-0x0000000004430000-0x000000000443B000-memory.dmp

Filesize
44KB

Download
memory/3992-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3992-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3992-4-0x0000000000400000-0x0000000002721000-memory.dmp

Filesize
35.1MB

Download