smokeloader | d546d17fee791f053d1f4c303018921eac58a93c989abdf9b4f2bd3ad7e54572

Analysis

max time kernel
146s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
25-06-2024 12:57

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General

Target

d546d17fee791f053d1f4c303018921eac58a93c989abdf9b4f2bd3ad7e54572.exe
Size

321KB
MD5

56f2279c2ca8f728968c09ae3334c3a0
SHA1

f854f3c3111b6e430b79f32b8030f1c8f229ac70
SHA256

d546d17fee791f053d1f4c303018921eac58a93c989abdf9b4f2bd3ad7e54572
SHA512

ccb69243e88c17aa58723159da68ce9c3bb343a0db5f0676a05943d372d6f75439f95c056575f91091d94ce7a5c055671ef48261b30f62b09ac3361f1dc83c64
SSDEEP

3072:72wLCsojh1pcnIC4Bxyh0i9YsePnbqrme5xlt4LtHrO1Ek1EJxTEqS:7HLRojzmI1/s0nb2m6L8LoNH

Score

10^/10

smokeloader pub2 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

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

5008 1548 WerFault.exe d546d17fee791f053d1f4c303018921eac58a93c989abdf9b4f2bd3ad7e54572.exe

pid	pid_target	process	target process
5008	1548	WerFault.exe	d546d17fee791f053d1f4c303018921eac58a93c989abdf9b4f2bd3ad7e54572.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:

d546d17fee791f053d1f4c303018921eac58a93c989abdf9b4f2bd3ad7e54572.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d546d17fee791f053d1f4c303018921eac58a93c989abdf9b4f2bd3ad7e54572.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d546d17fee791f053d1f4c303018921eac58a93c989abdf9b4f2bd3ad7e54572.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d546d17fee791f053d1f4c303018921eac58a93c989abdf9b4f2bd3ad7e54572.exe

C:\Users\Admin\AppData\Local\Temp\d546d17fee791f053d1f4c303018921eac58a93c989abdf9b4f2bd3ad7e54572.exe
"C:\Users\Admin\AppData\Local\Temp\d546d17fee791f053d1f4c303018921eac58a93c989abdf9b4f2bd3ad7e54572.exe"
1⤵
- Checks SCSI registry key(s)
PID:1548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1548 -s 404
2⤵
- Program crash
PID:5008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1548 -ip 1548
1⤵
PID:3108

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/1548-1-0x0000000002AA0000-0x0000000002BA0000-memory.dmp

Filesize
1024KB

Download
memory/1548-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1548-2-0x0000000004440000-0x000000000444B000-memory.dmp

Filesize
44KB

Download
memory/1548-4-0x0000000000400000-0x000000000273D000-memory.dmp

Filesize
35.2MB

Download