smokeloader | 92ff0728d25c82e099f90cd40489550d2c4b0cd777a0e3123996807f6719d3e2

Analysis

max time kernel
147s
max time network
155s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
16-05-2024 18:02

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General

Target

92ff0728d25c82e099f90cd40489550d2c4b0cd777a0e3123996807f6719d3e2.exe
Size

222KB
MD5

2c6cf0278564545909a4579b068c6bca
SHA1

c99343c54f97b89b31a0ab4acf9facbb1cf05c56
SHA256

92ff0728d25c82e099f90cd40489550d2c4b0cd777a0e3123996807f6719d3e2
SHA512

f2d2d4166866b18e9a5dfd79f56131c03fef63505cd36a57ec70ce1384dd3034a5a00d0a5848b9be949f3de42d977d9db90cd5bba12c6da4915c1182f8027a68
SSDEEP

3072:t2RmGIeFZOnbzZS+hFq6IcbWE0WDMgDezLNhbLnxuQAdWeVPBsGUfKowtBCF:tbg+jMgDcdLn1kipCow

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

4436 1240 WerFault.exe 92ff0728d25c82e099f90cd40489550d2c4b0cd777a0e3123996807f6719d3e2.exe

pid	pid_target	process	target process
4436	1240	WerFault.exe	92ff0728d25c82e099f90cd40489550d2c4b0cd777a0e3123996807f6719d3e2.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:

92ff0728d25c82e099f90cd40489550d2c4b0cd777a0e3123996807f6719d3e2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	92ff0728d25c82e099f90cd40489550d2c4b0cd777a0e3123996807f6719d3e2.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	92ff0728d25c82e099f90cd40489550d2c4b0cd777a0e3123996807f6719d3e2.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	92ff0728d25c82e099f90cd40489550d2c4b0cd777a0e3123996807f6719d3e2.exe

C:\Users\Admin\AppData\Local\Temp\92ff0728d25c82e099f90cd40489550d2c4b0cd777a0e3123996807f6719d3e2.exe
"C:\Users\Admin\AppData\Local\Temp\92ff0728d25c82e099f90cd40489550d2c4b0cd777a0e3123996807f6719d3e2.exe"
1⤵
- Checks SCSI registry key(s)
PID:1240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1240 -s 484
2⤵
- Program crash
PID:4436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1240 -ip 1240
1⤵
PID:4768

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

Replay Monitor

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Downloads

memory/1240-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1240-2-0x00000000005A0000-0x00000000005AB000-memory.dmp

Filesize
44KB

Download
memory/1240-1-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download
memory/1240-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1240-4-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download