smokeloader | 7755538e0afd5973ebc9e8766a817b5b562addfdde5fc3950f4bbffba9790ca9

Analysis

max time kernel
136s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
18-04-2024 01:30

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General

Target

7755538e0afd5973ebc9e8766a817b5b562addfdde5fc3950f4bbffba9790ca9.exe
Size

240KB
MD5

bfe9ca3a9060f8b106ef1e7448416289
SHA1

aa2e83375485435a6bc81aa59e769b4888dc9ca2
SHA256

7755538e0afd5973ebc9e8766a817b5b562addfdde5fc3950f4bbffba9790ca9
SHA512

b52c1733e3b7c39da85603e1ea8013d1b1e69a4c5d9d91d64e6ab0234408f091cab8ea10a0034d8c0b88d7a21a9317591796d4c6015bf8454dec65f21e642a36
SSDEEP

3072:L0LhLBEcMX2oGfC33bMuLeof5Okopz3Ob:L0LhVMmtiX6JkW3U

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

3084 4684 WerFault.exe 7755538e0afd5973ebc9e8766a817b5b562addfdde5fc3950f4bbffba9790ca9.exe

pid	pid_target	process	target process
3084	4684	WerFault.exe	7755538e0afd5973ebc9e8766a817b5b562addfdde5fc3950f4bbffba9790ca9.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:

7755538e0afd5973ebc9e8766a817b5b562addfdde5fc3950f4bbffba9790ca9.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	7755538e0afd5973ebc9e8766a817b5b562addfdde5fc3950f4bbffba9790ca9.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	7755538e0afd5973ebc9e8766a817b5b562addfdde5fc3950f4bbffba9790ca9.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	7755538e0afd5973ebc9e8766a817b5b562addfdde5fc3950f4bbffba9790ca9.exe

C:\Users\Admin\AppData\Local\Temp\7755538e0afd5973ebc9e8766a817b5b562addfdde5fc3950f4bbffba9790ca9.exe
"C:\Users\Admin\AppData\Local\Temp\7755538e0afd5973ebc9e8766a817b5b562addfdde5fc3950f4bbffba9790ca9.exe"
1⤵
- Checks SCSI registry key(s)
PID:4684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4684 -s 352
2⤵
- Program crash
PID:3084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4684 -ip 4684
1⤵
PID:3176

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/4684-1-0x0000000002E10000-0x0000000002F10000-memory.dmp

Filesize
1024KB

Download
memory/4684-2-0x00000000001F0000-0x00000000001FB000-memory.dmp

Filesize
44KB

Download
memory/4684-3-0x0000000000400000-0x0000000002C1F000-memory.dmp

Filesize
40.1MB

Download
memory/4684-4-0x0000000000400000-0x0000000002C1F000-memory.dmp

Filesize
40.1MB

Download
memory/4684-6-0x00000000001F0000-0x00000000001FB000-memory.dmp

Filesize
44KB

Download