smokeloader | 0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801

Analysis

max time kernel
93s
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
22-11-2024 14:42

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General

Target

0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801.exe
Size

344KB
MD5

a8e415b0a84f4c04172a95893d17d175
SHA1

c6eaa11af54758c9cb34b734a1bf78a0c2224bb1
SHA256

0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801
SHA512

6a4465700142b6e46e96662a8f1acfd2d98c576daf6d84dd650b8ec52bf441219b530c856ab6ea534e905b629be43c9e4bc577140db325001adf5e63ad8ea4f1
SSDEEP

6144:GAlImwCCVhV65Pz/nSXq6TWXRrogNO2R7Vb1rmrLUX/f6QjClLXn+T:GSIJC4n65Pz/nSXq63e5RRb1rmr8f6eb

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:

0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801.exe

description	pid	process	target process
PID 1360 set thread context of 3340	1360	0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801.exe	0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801.exe

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:

0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801.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:

0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801.exe

description	pid	process	target process
PID 1360 wrote to memory of 3340	1360	0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801.exe	0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801.exe
PID 1360 wrote to memory of 3340	1360	0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801.exe	0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801.exe
PID 1360 wrote to memory of 3340	1360	0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801.exe	0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801.exe
PID 1360 wrote to memory of 3340	1360	0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801.exe	0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801.exe
PID 1360 wrote to memory of 3340	1360	0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801.exe	0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801.exe
PID 1360 wrote to memory of 3340	1360	0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801.exe	0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801.exe

C:\Users\Admin\AppData\Local\Temp\0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801.exe
"C:\Users\Admin\AppData\Local\Temp\0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1360
- C:\Users\Admin\AppData\Local\Temp\0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801.exe
  "C:\Users\Admin\AppData\Local\Temp\0c74743742bd0172941d9c85925b80d0efc41086c954e571e97348c199132801.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:3340

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/1360-2-0x0000000000990000-0x0000000000999000-memory.dmp

Filesize
36KB

Download
memory/1360-1-0x0000000000AF0000-0x0000000000BF0000-memory.dmp

Filesize
1024KB

Download
memory/3340-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3340-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3340-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download