smokeloader | c37be7cb1c49b01204e582c6caf4dd1d0cf9c35664f2163a10809810758bc78f

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
11-05-2024 16:43

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General

Target

c37be7cb1c49b01204e582c6caf4dd1d0cf9c35664f2163a10809810758bc78f.exe
Size

245KB
MD5

bea8c690b67ba486f8637449eabe1602
SHA1

519685a200eb14b070323f85734a76df89d47eb3
SHA256

c37be7cb1c49b01204e582c6caf4dd1d0cf9c35664f2163a10809810758bc78f
SHA512

8f7fca4d5fe6a773843feb0bd5215d81fa2ba9c425a1284ee206c611e02967ecab9f6d2bbd9a429bb366345b937bf08ef91af42245a2642f78b58515c9407168
SSDEEP

3072:5Ss65TLNtGqbipO70nk37yFr+g195FtTRTZWiDdwqsAg0SD8ZkpVaOt9mzVxtTsu:5SlGkbO5b5pDdiF0SD8ZkpVa0IweWT

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

2636 4820 WerFault.exe c37be7cb1c49b01204e582c6caf4dd1d0cf9c35664f2163a10809810758bc78f.exe

pid	pid_target	process	target process
2636	4820	WerFault.exe	c37be7cb1c49b01204e582c6caf4dd1d0cf9c35664f2163a10809810758bc78f.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:

c37be7cb1c49b01204e582c6caf4dd1d0cf9c35664f2163a10809810758bc78f.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c37be7cb1c49b01204e582c6caf4dd1d0cf9c35664f2163a10809810758bc78f.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c37be7cb1c49b01204e582c6caf4dd1d0cf9c35664f2163a10809810758bc78f.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c37be7cb1c49b01204e582c6caf4dd1d0cf9c35664f2163a10809810758bc78f.exe

C:\Users\Admin\AppData\Local\Temp\c37be7cb1c49b01204e582c6caf4dd1d0cf9c35664f2163a10809810758bc78f.exe
"C:\Users\Admin\AppData\Local\Temp\c37be7cb1c49b01204e582c6caf4dd1d0cf9c35664f2163a10809810758bc78f.exe"
1⤵
- Checks SCSI registry key(s)
PID:4820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4820 -s 352
2⤵
- Program crash
PID:2636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4820 -ip 4820
1⤵
PID:832

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

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Downloads

memory/4820-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4820-2-0x0000000000A00000-0x0000000000A0B000-memory.dmp

Filesize
44KB

Download
memory/4820-1-0x0000000000AD0000-0x0000000000BD0000-memory.dmp

Filesize
1024KB

Download
memory/4820-4-0x0000000000400000-0x0000000000795000-memory.dmp

Filesize
3.6MB

Download