smokeloader | 39ca9900b5a1aaff6a218a56884f8c235263e3eb4e64c325b357fb028295f0a5

Analysis

max time kernel
147s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240709-en
resource tags

arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
submitted
23-07-2024 06:26

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General

Target

39ca9900b5a1aaff6a218a56884f8c235263e3eb4e64c325b357fb028295f0a5.exe
Size

300KB
MD5

36048151718279b84488ecbe9e41acd7
SHA1

41d70db37f8bdbaeda04853c780fc7bc8da09b70
SHA256

39ca9900b5a1aaff6a218a56884f8c235263e3eb4e64c325b357fb028295f0a5
SHA512

1d68c28ca5a264fc9ebe64b45266382b29bf2ceee46dbebdb2983ea426c3a954ff37089b847a5b7916897aa6a05c6018f73aa2b5069c7cdc321c18b4f170de87
SSDEEP

3072:QfN2c1jZ3Q9VUGXXk0V7/06GgsOnMeCRzhy53GYkWHfF+6sTCdfv9GTi:QtdAUGnJJM6GgwTtM/DfFBFlGT

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

1636 4292 WerFault.exe 39ca9900b5a1aaff6a218a56884f8c235263e3eb4e64c325b357fb028295f0a5.exe

pid	pid_target	process	target process
1636	4292	WerFault.exe	39ca9900b5a1aaff6a218a56884f8c235263e3eb4e64c325b357fb028295f0a5.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:

39ca9900b5a1aaff6a218a56884f8c235263e3eb4e64c325b357fb028295f0a5.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	39ca9900b5a1aaff6a218a56884f8c235263e3eb4e64c325b357fb028295f0a5.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	39ca9900b5a1aaff6a218a56884f8c235263e3eb4e64c325b357fb028295f0a5.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	39ca9900b5a1aaff6a218a56884f8c235263e3eb4e64c325b357fb028295f0a5.exe

C:\Users\Admin\AppData\Local\Temp\39ca9900b5a1aaff6a218a56884f8c235263e3eb4e64c325b357fb028295f0a5.exe
"C:\Users\Admin\AppData\Local\Temp\39ca9900b5a1aaff6a218a56884f8c235263e3eb4e64c325b357fb028295f0a5.exe"
1⤵
- Checks SCSI registry key(s)
PID:4292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4292 -s 384
2⤵
- Program crash
PID:1636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4292 -ip 4292
1⤵
PID:4584

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/4292-1-0x00000000024F0000-0x00000000025F0000-memory.dmp

Filesize
1024KB

Download
memory/4292-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4292-2-0x00000000042B0000-0x00000000042BB000-memory.dmp

Filesize
44KB

Download
memory/4292-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4292-4-0x0000000000400000-0x0000000002464000-memory.dmp

Filesize
32.4MB

Download