smokeloader | 37e6e5d8b399fefb9ae774516ff6367e800c69a272e18a654bb84ccff2d7c67a

Analysis

max time kernel
134s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
03-07-2024 01:13

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General

Target

37e6e5d8b399fefb9ae774516ff6367e800c69a272e18a654bb84ccff2d7c67a.exe
Size

172KB
MD5

bdcf37dcbb1947e5a3f6145d47fc67e8
SHA1

cee0cf2eaf723c8980ce2f85b882f78be880da08
SHA256

37e6e5d8b399fefb9ae774516ff6367e800c69a272e18a654bb84ccff2d7c67a
SHA512

35f2bc215bb311d763a45a741fff101dcdc2cd05171377c1041b3950d373ce06082bc9d6e7869407277be75062531e57428d04ae1cf02f72ad4bdedece220d48
SSDEEP

3072:LG51L3RDkzFnZhvrDYr/oQT5PJiZ+39a1KuU3:651L3RYFr/ib+43h7

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

4180 3184 WerFault.exe 37e6e5d8b399fefb9ae774516ff6367e800c69a272e18a654bb84ccff2d7c67a.exe

pid	pid_target	process	target process
4180	3184	WerFault.exe	37e6e5d8b399fefb9ae774516ff6367e800c69a272e18a654bb84ccff2d7c67a.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:

37e6e5d8b399fefb9ae774516ff6367e800c69a272e18a654bb84ccff2d7c67a.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	37e6e5d8b399fefb9ae774516ff6367e800c69a272e18a654bb84ccff2d7c67a.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	37e6e5d8b399fefb9ae774516ff6367e800c69a272e18a654bb84ccff2d7c67a.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	37e6e5d8b399fefb9ae774516ff6367e800c69a272e18a654bb84ccff2d7c67a.exe

C:\Users\Admin\AppData\Local\Temp\37e6e5d8b399fefb9ae774516ff6367e800c69a272e18a654bb84ccff2d7c67a.exe
"C:\Users\Admin\AppData\Local\Temp\37e6e5d8b399fefb9ae774516ff6367e800c69a272e18a654bb84ccff2d7c67a.exe"
1⤵
- Checks SCSI registry key(s)
PID:3184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3184 -s 404
2⤵
- Program crash
PID:4180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3184 -ip 3184
1⤵
PID:4608

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4212,i,11751898164297348119,13021661521765644467,262144 --variations-seed-version --mojo-platform-channel-handle=4036 /prefetch:8
1⤵
PID:432

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

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Downloads

memory/3184-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3184-2-0x0000000004320000-0x000000000432B000-memory.dmp

Filesize
44KB

Download
memory/3184-1-0x0000000002720000-0x0000000002820000-memory.dmp

Filesize
1024KB

Download
memory/3184-4-0x0000000000400000-0x0000000002719000-memory.dmp

Filesize
35.1MB

Download