smokeloader | 71fbea4c65329cd9f9e4315827e5c3152ef79dd5801a6fd562eb85e3c9ca0f2a

Analysis

max time kernel
92s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2024 13:39

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General

Target

71fbea4c65329cd9f9e4315827e5c3152ef79dd5801a6fd562eb85e3c9ca0f2a.exe
Size

284KB
MD5

0fa3039f7d255c26a155005ed52e3508
SHA1

1b8c2a392ff96c8f30beded52426e84f8e36db23
SHA256

71fbea4c65329cd9f9e4315827e5c3152ef79dd5801a6fd562eb85e3c9ca0f2a
SHA512

ab5bc7ec1df48cf598117b6fe6b43502c3f7da6e5a441b5b3da87ae75b43444d828722133752f61c37e03f766adabf60af2f7e6fd94436f0aa838e4bd00ede96
SSDEEP

6144:hnDiF7VI0x8zGxCJAVPvZDoVlpXU30IaEhROg9bc:ZDkO0042IvhuXuLaEhpbc

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
2916	71fbea4c65329cd9f9e4315827e5c3152ef79dd5801a6fd562eb85e3c9ca0f2a.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3276	2916	WerFault.exe	84

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	71fbea4c65329cd9f9e4315827e5c3152ef79dd5801a6fd562eb85e3c9ca0f2a.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 queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	71fbea4c65329cd9f9e4315827e5c3152ef79dd5801a6fd562eb85e3c9ca0f2a.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	71fbea4c65329cd9f9e4315827e5c3152ef79dd5801a6fd562eb85e3c9ca0f2a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	71fbea4c65329cd9f9e4315827e5c3152ef79dd5801a6fd562eb85e3c9ca0f2a.exe

C:\Users\Admin\AppData\Local\Temp\71fbea4c65329cd9f9e4315827e5c3152ef79dd5801a6fd562eb85e3c9ca0f2a.exe
"C:\Users\Admin\AppData\Local\Temp\71fbea4c65329cd9f9e4315827e5c3152ef79dd5801a6fd562eb85e3c9ca0f2a.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:2916
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2916 -s 376
  2⤵
  - Program crash
  PID:3276

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2916 -ip 2916
1⤵
PID:872

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

Replay Monitor

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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/2916-1-0x0000000000A70000-0x0000000000B70000-memory.dmp

Filesize
1024KB

Download
memory/2916-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2916-3-0x0000000000400000-0x0000000000877000-memory.dmp

Filesize
4.5MB

Download
memory/2916-8-0x0000000000400000-0x0000000000877000-memory.dmp

Filesize
4.5MB

Download
memory/2916-9-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download