smokeloader | 86c01a451f671312f8448f5ad9f72f2d55f810e6e996bca7f9bce57d4b35d219

Analysis

max time kernel
142s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
21-05-2024 14:22

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General

Target

86c01a451f671312f8448f5ad9f72f2d55f810e6e996bca7f9bce57d4b35d219.exe
Size

223KB
MD5

119e01fd513495f8f572f286b56e1563
SHA1

aeb142a2ad0d9257bb9652524ee339a7166d7f24
SHA256

86c01a451f671312f8448f5ad9f72f2d55f810e6e996bca7f9bce57d4b35d219
SHA512

2fd7bf955ed6fdd1759fede80bc9be97bb523a6ce32744ee54f4f9fb74ef9c34c2d75d80023bbe22b7416f5fd38f6cf5648e909a57309579c06e918986c06b59
SSDEEP

3072:hrV57nfkFIAJ7xTN+V/N+yZ/Tq7MTTmszG6aLcgDpoMB62aQCsdUppZ40Uda:hrDAr7hsNSMGnLbDd/aQTdUnZ40

Score

10^/10

smokeloader rbrn backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

rbrn

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

4180 4564 WerFault.exe 86c01a451f671312f8448f5ad9f72f2d55f810e6e996bca7f9bce57d4b35d219.exe

pid	pid_target	process	target process
4180	4564	WerFault.exe	86c01a451f671312f8448f5ad9f72f2d55f810e6e996bca7f9bce57d4b35d219.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:

86c01a451f671312f8448f5ad9f72f2d55f810e6e996bca7f9bce57d4b35d219.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	86c01a451f671312f8448f5ad9f72f2d55f810e6e996bca7f9bce57d4b35d219.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	86c01a451f671312f8448f5ad9f72f2d55f810e6e996bca7f9bce57d4b35d219.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	86c01a451f671312f8448f5ad9f72f2d55f810e6e996bca7f9bce57d4b35d219.exe

C:\Users\Admin\AppData\Local\Temp\86c01a451f671312f8448f5ad9f72f2d55f810e6e996bca7f9bce57d4b35d219.exe
"C:\Users\Admin\AppData\Local\Temp\86c01a451f671312f8448f5ad9f72f2d55f810e6e996bca7f9bce57d4b35d219.exe"
1⤵
- Checks SCSI registry key(s)
PID:4564
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 352
  2⤵
  - Program crash
  PID:4180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4564 -ip 4564
1⤵
PID:1912

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/4564-1-0x0000000000710000-0x0000000000810000-memory.dmp

Filesize
1024KB

Download
memory/4564-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4564-2-0x00000000006F0000-0x00000000006FB000-memory.dmp

Filesize
44KB

Download
memory/4564-4-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download