smokeloader | bb1f4f495bc968a157626fbacf310516c5b13ed9b107c9c5822c9ca9bd842307

Analysis

max time kernel
145s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17-04-2024 14:54

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General

Target

035f80e34dc781f15ce459e8e40683ad7e1d9fbd6f7ac4461d6cfde34cc8edb0.exe
Size

301KB
MD5

a67b46ffde56acb802ab5cb6357e5ded
SHA1

0c76a65c47b3b92d1c133b7767ad176416c29045
SHA256

035f80e34dc781f15ce459e8e40683ad7e1d9fbd6f7ac4461d6cfde34cc8edb0
SHA512

1187124b110a1ef81e9337676870ee446fac137379d9bbc4e9d6ec4685b0fb95dde57f276c27ccc303f3b2d57da5e06456c083316911cf50f42f1e2ebe2b982c
SSDEEP

3072:/8lLtOIPrkS7rJikDHhwNlJKJX7AXqikd2gB9p2ckaR/Ya0fTK7KVDrc+B5f239F:/8lLZDkST6+MXCd+Q0fTgYn79o6q

Score

10^/10

smokeloader pub2 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

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

3384 4936 WerFault.exe 035f80e34dc781f15ce459e8e40683ad7e1d9fbd6f7ac4461d6cfde34cc8edb0.exe

pid	pid_target	process	target process
3384	4936	WerFault.exe	035f80e34dc781f15ce459e8e40683ad7e1d9fbd6f7ac4461d6cfde34cc8edb0.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:

035f80e34dc781f15ce459e8e40683ad7e1d9fbd6f7ac4461d6cfde34cc8edb0.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	035f80e34dc781f15ce459e8e40683ad7e1d9fbd6f7ac4461d6cfde34cc8edb0.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	035f80e34dc781f15ce459e8e40683ad7e1d9fbd6f7ac4461d6cfde34cc8edb0.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	035f80e34dc781f15ce459e8e40683ad7e1d9fbd6f7ac4461d6cfde34cc8edb0.exe

C:\Users\Admin\AppData\Local\Temp\035f80e34dc781f15ce459e8e40683ad7e1d9fbd6f7ac4461d6cfde34cc8edb0.exe
"C:\Users\Admin\AppData\Local\Temp\035f80e34dc781f15ce459e8e40683ad7e1d9fbd6f7ac4461d6cfde34cc8edb0.exe"
1⤵
- Checks SCSI registry key(s)
PID:4936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 352
2⤵
- Program crash
PID:3384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4936 -ip 4936
1⤵
PID:4240

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

Replay Monitor

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Downloads

memory/4936-1-0x00000000005D0000-0x00000000006D0000-memory.dmp

Filesize
1024KB

Download
memory/4936-2-0x00000000021B0000-0x00000000021BB000-memory.dmp

Filesize
44KB

Download
memory/4936-3-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4936-4-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4936-5-0x00000000021B0000-0x00000000021BB000-memory.dmp

Filesize
44KB

Download