smokeloader | da105eb3f048fa1b375771bee7c486ebcdec2328610f21b7311918c4b7bb43d3

Analysis

max time kernel
146s
max time network
152s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
16-05-2024 15:23

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General

Target

da105eb3f048fa1b375771bee7c486ebcdec2328610f21b7311918c4b7bb43d3.exe
Size

228KB
MD5

f77e1a55e53d8cd137b390aee9065caf
SHA1

a38105fb8bbec353b051c787b4980db538102fbe
SHA256

da105eb3f048fa1b375771bee7c486ebcdec2328610f21b7311918c4b7bb43d3
SHA512

90ae9050fdd3ee9774f64787dbd57f52fafbdb30d8efdd3bf212db1f3084d468b5585f4e15a7b8898d5c4cc0f1c9e0cca668e64b57eb1bf5747aaa6ca785624d
SSDEEP

3072:U/X4PHvHxK40XKv/0+R5e9KYbzEEEEEEEZUTFub4ms1veJb73NWsl3wnd6V0fcak:mnaH0D/EEEEEEEZUNpeJ33N1366OIw

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

4440 1544 WerFault.exe da105eb3f048fa1b375771bee7c486ebcdec2328610f21b7311918c4b7bb43d3.exe

pid	pid_target	process	target process
4440	1544	WerFault.exe	da105eb3f048fa1b375771bee7c486ebcdec2328610f21b7311918c4b7bb43d3.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:

da105eb3f048fa1b375771bee7c486ebcdec2328610f21b7311918c4b7bb43d3.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	da105eb3f048fa1b375771bee7c486ebcdec2328610f21b7311918c4b7bb43d3.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	da105eb3f048fa1b375771bee7c486ebcdec2328610f21b7311918c4b7bb43d3.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	da105eb3f048fa1b375771bee7c486ebcdec2328610f21b7311918c4b7bb43d3.exe

C:\Users\Admin\AppData\Local\Temp\da105eb3f048fa1b375771bee7c486ebcdec2328610f21b7311918c4b7bb43d3.exe
"C:\Users\Admin\AppData\Local\Temp\da105eb3f048fa1b375771bee7c486ebcdec2328610f21b7311918c4b7bb43d3.exe"
1⤵
- Checks SCSI registry key(s)
PID:1544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 236
2⤵
- Program crash
PID:4440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1544 -ip 1544
1⤵
PID:3832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1544-1-0x0000000000800000-0x0000000000900000-memory.dmp

Filesize
1024KB

Download
memory/1544-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1544-2-0x00000000007F0000-0x00000000007FB000-memory.dmp

Filesize
44KB

Download
memory/1544-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download