smokeloader | 8422c6548691c2d6789d4230f0ecb3ce81a6fa908fab2118e2eff59d13ea7ecd

Analysis

max time kernel
93s
max time network
143s
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 13:39

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General

Target

8422c6548691c2d6789d4230f0ecb3ce81a6fa908fab2118e2eff59d13ea7ecd.exe
Size

261KB
MD5

4d27b7c2268fc6930c53d27130529f51
SHA1

227e93c1df06444952081afc2b6bae10f24af61a
SHA256

8422c6548691c2d6789d4230f0ecb3ce81a6fa908fab2118e2eff59d13ea7ecd
SHA512

6e4e3ccfe8aabdb30857775ec413c24bce12b1084247d2ac2fed55137c7fb5133f530f970af7baf8fe10f232c2e77d0e4e36a22f06dfa28132aa9af081665d15
SSDEEP

3072:AohlUB8qqLDUw5/2zT5e2MYBdjpkEQybD7FQhYGR1Jw5KY0Xi2rL+aKM/h3:xzUBjqLDx5eBMs+9EwWN4i2rLW

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 1512 set thread context of 2204	1512	8422c6548691c2d6789d4230f0ecb3ce81a6fa908fab2118e2eff59d13ea7ecd.exe	82

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	8422c6548691c2d6789d4230f0ecb3ce81a6fa908fab2118e2eff59d13ea7ecd.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	8422c6548691c2d6789d4230f0ecb3ce81a6fa908fab2118e2eff59d13ea7ecd.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8422c6548691c2d6789d4230f0ecb3ce81a6fa908fab2118e2eff59d13ea7ecd.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8422c6548691c2d6789d4230f0ecb3ce81a6fa908fab2118e2eff59d13ea7ecd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1512 wrote to memory of 2204	1512	8422c6548691c2d6789d4230f0ecb3ce81a6fa908fab2118e2eff59d13ea7ecd.exe	82
PID 1512 wrote to memory of 2204	1512	8422c6548691c2d6789d4230f0ecb3ce81a6fa908fab2118e2eff59d13ea7ecd.exe	82
PID 1512 wrote to memory of 2204	1512	8422c6548691c2d6789d4230f0ecb3ce81a6fa908fab2118e2eff59d13ea7ecd.exe	82
PID 1512 wrote to memory of 2204	1512	8422c6548691c2d6789d4230f0ecb3ce81a6fa908fab2118e2eff59d13ea7ecd.exe	82
PID 1512 wrote to memory of 2204	1512	8422c6548691c2d6789d4230f0ecb3ce81a6fa908fab2118e2eff59d13ea7ecd.exe	82
PID 1512 wrote to memory of 2204	1512	8422c6548691c2d6789d4230f0ecb3ce81a6fa908fab2118e2eff59d13ea7ecd.exe	82

C:\Users\Admin\AppData\Local\Temp\8422c6548691c2d6789d4230f0ecb3ce81a6fa908fab2118e2eff59d13ea7ecd.exe
"C:\Users\Admin\AppData\Local\Temp\8422c6548691c2d6789d4230f0ecb3ce81a6fa908fab2118e2eff59d13ea7ecd.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1512
- C:\Users\Admin\AppData\Local\Temp\8422c6548691c2d6789d4230f0ecb3ce81a6fa908fab2118e2eff59d13ea7ecd.exe
  "C:\Users\Admin\AppData\Local\Temp\8422c6548691c2d6789d4230f0ecb3ce81a6fa908fab2118e2eff59d13ea7ecd.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:2204

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/1512-1-0x0000000002FB0000-0x00000000030B0000-memory.dmp

Filesize
1024KB

Download
memory/1512-2-0x0000000002F90000-0x0000000002F99000-memory.dmp

Filesize
36KB

Download
memory/2204-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2204-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2204-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download