smokeloader | c05a15e9dfab4ce8c4d1808bcfc3a03fa2314c444a795051d44fdf76723b2557

Analysis

max time kernel
92s
max time network
99s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
22-05-2024 15:32

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General

Target

c05a15e9dfab4ce8c4d1808bcfc3a03fa2314c444a795051d44fdf76723b2557.exe
Size

212KB
MD5

f6a033510962a1519cae0ca80de0ed6a
SHA1

71614e6943296eb29c6c24853e341604c144cc10
SHA256

c05a15e9dfab4ce8c4d1808bcfc3a03fa2314c444a795051d44fdf76723b2557
SHA512

2d3d660a83046404d09e24f7bb36017bdd5eaaa40178a046fd58195b4a464652a171cbcb6d56d6c3bb6ac6a643ad9509702f5131825d978f322f34fba2d7dd61
SSDEEP

3072:OsbUgh23jugs0Ovm+cFktP+gRSEwayy9UMGC2XiZKWNnBxOV8HviJlZK4Qje:xUJVNOetgJHyTMH2ygynBxOCv6zK4Q

Score

10^/10

smokeloader sel2 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

sel2

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

5088 1304 WerFault.exe c05a15e9dfab4ce8c4d1808bcfc3a03fa2314c444a795051d44fdf76723b2557.exe

pid	pid_target	process	target process
5088	1304	WerFault.exe	c05a15e9dfab4ce8c4d1808bcfc3a03fa2314c444a795051d44fdf76723b2557.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:

c05a15e9dfab4ce8c4d1808bcfc3a03fa2314c444a795051d44fdf76723b2557.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c05a15e9dfab4ce8c4d1808bcfc3a03fa2314c444a795051d44fdf76723b2557.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c05a15e9dfab4ce8c4d1808bcfc3a03fa2314c444a795051d44fdf76723b2557.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c05a15e9dfab4ce8c4d1808bcfc3a03fa2314c444a795051d44fdf76723b2557.exe

C:\Users\Admin\AppData\Local\Temp\c05a15e9dfab4ce8c4d1808bcfc3a03fa2314c444a795051d44fdf76723b2557.exe
"C:\Users\Admin\AppData\Local\Temp\c05a15e9dfab4ce8c4d1808bcfc3a03fa2314c444a795051d44fdf76723b2557.exe"
1⤵
- Checks SCSI registry key(s)
PID:1304
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1304 -s 384
  2⤵
  - Program crash
  PID:5088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1304 -ip 1304
1⤵
PID:3776

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/1304-1-0x0000000002E90000-0x0000000002F90000-memory.dmp

Filesize
1024KB

Download
memory/1304-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1304-2-0x0000000002E80000-0x0000000002E8B000-memory.dmp

Filesize
44KB

Download
memory/1304-4-0x0000000000400000-0x0000000002C94000-memory.dmp

Filesize
40.6MB

Download