smokeloader | 842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2025 17:43

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General

Target

842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe
Size

323KB
MD5

b1473d6c76b7b276d5ce00ef49ae1d91
SHA1

5810d7f31e6275781a22b0b9cad1f378552250e2
SHA256

842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09
SHA512

18e0f938585e86a76f50990b9c01856caaf19e3a9e6160c2e5f8fce499e33029e7788acd4827f0c22d2db4853a0bc57ac43bd850201a04685179d030435ae05b
SSDEEP

3072:ssENKpXa+1pfbz2LjiLd25d1rJjnE3z6x8EzY4a9APmawcTVsPHepf:s2XFjfbiLjiLd21lIz7qLaGujf4f

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
4804	842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4708 set thread context of 4804	4708	842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe	83

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	842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4708 wrote to memory of 4804	4708	842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe	83
PID 4708 wrote to memory of 4804	4708	842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe	83
PID 4708 wrote to memory of 4804	4708	842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe	83
PID 4708 wrote to memory of 4804	4708	842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe	83
PID 4708 wrote to memory of 4804	4708	842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe	83
PID 4708 wrote to memory of 4804	4708	842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe	83

C:\Users\Admin\AppData\Local\Temp\842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe
"C:\Users\Admin\AppData\Local\Temp\842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4708
- C:\Users\Admin\AppData\Local\Temp\842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe
  "C:\Users\Admin\AppData\Local\Temp\842975d72b54148e3236403e27c424c463a69defc6da2cf596aa4e57f4611d09.exe"
  2⤵
  - Loads dropped DLL
  - Checks SCSI registry key(s)
  PID:4804

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\D47F.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/4708-1-0x0000000000C30000-0x0000000000D30000-memory.dmp

Filesize
1024KB

Download
memory/4708-2-0x0000000002830000-0x000000000283B000-memory.dmp

Filesize
44KB

Download
memory/4804-5-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4804-4-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4804-3-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4804-11-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download