smokeloader | 9ec91f257e81696aac31547d2d7579ffe402774d640dcc8583ba719344f4351a

Analysis

max time kernel
92s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-12-2024 13:49

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General

Target

9ec91f257e81696aac31547d2d7579ffe402774d640dcc8583ba719344f4351a.exe
Size

189KB
MD5

035dcaf87b6dc0a71be0f00d79300bde
SHA1

6f6b96a0ce8be42b98d1e99e329baa35a7243c99
SHA256

9ec91f257e81696aac31547d2d7579ffe402774d640dcc8583ba719344f4351a
SHA512

1925abfc9a0ee171c0dc67f78810e8ba74cb16a7fdac9b60b7b4f7d3f32ee5775fb89756bf96434d13a4387150ce8bef3111b47514fd70cd9f053ffdae293a94
SSDEEP

3072:CdXTmjBtFcXFfjuUL52bu/0ZMRI4/cS6t9hjrZAZh+07h5taaecoV:2TqofCUL52u/0xRnZtMfeB

Score

10^/10

smokeloader pub2 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4616 set thread context of 452	4616	9ec91f257e81696aac31547d2d7579ffe402774d640dcc8583ba719344f4351a.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	9ec91f257e81696aac31547d2d7579ffe402774d640dcc8583ba719344f4351a.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	9ec91f257e81696aac31547d2d7579ffe402774d640dcc8583ba719344f4351a.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	9ec91f257e81696aac31547d2d7579ffe402774d640dcc8583ba719344f4351a.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	9ec91f257e81696aac31547d2d7579ffe402774d640dcc8583ba719344f4351a.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4616 wrote to memory of 452	4616	9ec91f257e81696aac31547d2d7579ffe402774d640dcc8583ba719344f4351a.exe	83
PID 4616 wrote to memory of 452	4616	9ec91f257e81696aac31547d2d7579ffe402774d640dcc8583ba719344f4351a.exe	83
PID 4616 wrote to memory of 452	4616	9ec91f257e81696aac31547d2d7579ffe402774d640dcc8583ba719344f4351a.exe	83
PID 4616 wrote to memory of 452	4616	9ec91f257e81696aac31547d2d7579ffe402774d640dcc8583ba719344f4351a.exe	83
PID 4616 wrote to memory of 452	4616	9ec91f257e81696aac31547d2d7579ffe402774d640dcc8583ba719344f4351a.exe	83
PID 4616 wrote to memory of 452	4616	9ec91f257e81696aac31547d2d7579ffe402774d640dcc8583ba719344f4351a.exe	83

C:\Users\Admin\AppData\Local\Temp\9ec91f257e81696aac31547d2d7579ffe402774d640dcc8583ba719344f4351a.exe
"C:\Users\Admin\AppData\Local\Temp\9ec91f257e81696aac31547d2d7579ffe402774d640dcc8583ba719344f4351a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4616
- C:\Users\Admin\AppData\Local\Temp\9ec91f257e81696aac31547d2d7579ffe402774d640dcc8583ba719344f4351a.exe
  "C:\Users\Admin\AppData\Local\Temp\9ec91f257e81696aac31547d2d7579ffe402774d640dcc8583ba719344f4351a.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:452

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

memory/452-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/452-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/452-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4616-1-0x0000000000890000-0x0000000000990000-memory.dmp

Filesize
1024KB

Download
memory/4616-2-0x0000000000830000-0x0000000000839000-memory.dmp

Filesize
36KB

Download