smokeloader | 04aeb1b60965797087b3fce08bfefb4f0c6d1e92180735cdb448326953336b51

Analysis

max time kernel
95s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-11-2024 05:34

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General

Target

04aeb1b60965797087b3fce08bfefb4f0c6d1e92180735cdb448326953336b51.exe
Size

214KB
MD5

cf8ca2f8719c4af515434814a5f30f6e
SHA1

ccfcaa0e5a41b0ab956d3975e64d1f89c76b339b
SHA256

04aeb1b60965797087b3fce08bfefb4f0c6d1e92180735cdb448326953336b51
SHA512

6d69f745c796c6a5bd24e1c552c33d03f2df511f7652193fac1e3c095574bf746b0ce9af8064d60874e4e8ac744871f8369ca90051167ac02e2a5c6579fc7469
SSDEEP

6144:TISivz4Yz5q4mdtE1cuWW7AO5RXFOtJ1:TLivz4Yz5nD7/oJ

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

04aeb1b60965797087b3fce08bfefb4f0c6d1e92180735cdb448326953336b51.exe

description	pid	Process	procid_target
PID 1428 set thread context of 2572	1428	04aeb1b60965797087b3fce08bfefb4f0c6d1e92180735cdb448326953336b51.exe	86

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

Processes:

04aeb1b60965797087b3fce08bfefb4f0c6d1e92180735cdb448326953336b51.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	04aeb1b60965797087b3fce08bfefb4f0c6d1e92180735cdb448326953336b51.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

Processes:

RegSvcs.exe

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

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

04aeb1b60965797087b3fce08bfefb4f0c6d1e92180735cdb448326953336b51.exe

description	pid	Process	procid_target
PID 1428 wrote to memory of 2572	1428	04aeb1b60965797087b3fce08bfefb4f0c6d1e92180735cdb448326953336b51.exe	86
PID 1428 wrote to memory of 2572	1428	04aeb1b60965797087b3fce08bfefb4f0c6d1e92180735cdb448326953336b51.exe	86
PID 1428 wrote to memory of 2572	1428	04aeb1b60965797087b3fce08bfefb4f0c6d1e92180735cdb448326953336b51.exe	86
PID 1428 wrote to memory of 2572	1428	04aeb1b60965797087b3fce08bfefb4f0c6d1e92180735cdb448326953336b51.exe	86
PID 1428 wrote to memory of 2572	1428	04aeb1b60965797087b3fce08bfefb4f0c6d1e92180735cdb448326953336b51.exe	86

C:\Users\Admin\AppData\Local\Temp\04aeb1b60965797087b3fce08bfefb4f0c6d1e92180735cdb448326953336b51.exe
"C:\Users\Admin\AppData\Local\Temp\04aeb1b60965797087b3fce08bfefb4f0c6d1e92180735cdb448326953336b51.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1428
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:2572

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/1428-0-0x0000000000B43000-0x0000000000B45000-memory.dmp

Filesize
8KB

Download
memory/2572-1-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download