smokeloader | d3f8117d1043eda3fc125973d23bcf2e317c4f7f7ba360518bc202d165bb617c

Analysis

max time kernel
95s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2024 03:03

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General

Target

d3f8117d1043eda3fc125973d23bcf2e317c4f7f7ba360518bc202d165bb617c.exe
Size

284KB
MD5

019de73908514aab561a5fa964edc08d
SHA1

71601351d72138a2a3f6fd1afa085a7e08095b46
SHA256

d3f8117d1043eda3fc125973d23bcf2e317c4f7f7ba360518bc202d165bb617c
SHA512

733822fbeede658431df599e9675a8c81c23ce33616bf5aaa8eb5398b8cad6bdf4cf080e4076ddf2079ed839781c839de82d15e85b8c084d520e2aef1b818bf8
SSDEEP

6144:5nWpLHe9fl9PNXOgc3uGSH/QKvoTqLuowy4A0l0DRHR4k8:RWsp9HdPfHvGNytq0DRHR4

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader

Loads dropped DLL 1 IoCs

pid	Process
1940	d3f8117d1043eda3fc125973d23bcf2e317c4f7f7ba360518bc202d165bb617c.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4992	1940	WerFault.exe	81

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d3f8117d1043eda3fc125973d23bcf2e317c4f7f7ba360518bc202d165bb617c.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

description	ioc	Process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d3f8117d1043eda3fc125973d23bcf2e317c4f7f7ba360518bc202d165bb617c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d3f8117d1043eda3fc125973d23bcf2e317c4f7f7ba360518bc202d165bb617c.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d3f8117d1043eda3fc125973d23bcf2e317c4f7f7ba360518bc202d165bb617c.exe

C:\Users\Admin\AppData\Local\Temp\d3f8117d1043eda3fc125973d23bcf2e317c4f7f7ba360518bc202d165bb617c.exe
"C:\Users\Admin\AppData\Local\Temp\d3f8117d1043eda3fc125973d23bcf2e317c4f7f7ba360518bc202d165bb617c.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:1940
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1940 -s 380
  2⤵
  - Program crash
  PID:4992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1940 -ip 1940
1⤵
PID:3160

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\1105.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/1940-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1940-1-0x00000000009E0000-0x0000000000AE0000-memory.dmp

Filesize
1024KB

Download
memory/1940-4-0x0000000000400000-0x0000000000877000-memory.dmp

Filesize
4.5MB

Download
memory/1940-9-0x0000000000400000-0x0000000000877000-memory.dmp

Filesize
4.5MB

Download
memory/1940-10-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download