smokeloader | 20f35221180e4fa253de678863c4ca49f24f4dd4998ee0d9d27a6689086a44ee

Analysis

max time kernel
148s
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
23-11-2024 13:59

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General

Target

20f35221180e4fa253de678863c4ca49f24f4dd4998ee0d9d27a6689086a44ee.exe
Size

259KB
MD5

e98e2b82ce6106bcd946a19a951d2c72
SHA1

2b8c20ab9e0860eea88ece264dc8d59fc5fe9503
SHA256

20f35221180e4fa253de678863c4ca49f24f4dd4998ee0d9d27a6689086a44ee
SHA512

c4b7cd6cb9ec4ee6423acea3648551648d4f7e91348a2faf7d5fd0477041b076dc423310a15d4654013ae3cde22ab264a8ce1c490d3247982b84a7e1bd1c2b26
SSDEEP

6144:F74XKTSvtNcpcTpBIEYuqX7tNfVXVHQLIiu8cfo0/pWX:14XGSvMcN1wZGEX8cA0/MX

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

description	pid	Process	procid_target
PID 3084 set thread context of 2216	3084	20f35221180e4fa253de678863c4ca49f24f4dd4998ee0d9d27a6689086a44ee.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	20f35221180e4fa253de678863c4ca49f24f4dd4998ee0d9d27a6689086a44ee.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	20f35221180e4fa253de678863c4ca49f24f4dd4998ee0d9d27a6689086a44ee.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	20f35221180e4fa253de678863c4ca49f24f4dd4998ee0d9d27a6689086a44ee.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	20f35221180e4fa253de678863c4ca49f24f4dd4998ee0d9d27a6689086a44ee.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3084 wrote to memory of 2216	3084	20f35221180e4fa253de678863c4ca49f24f4dd4998ee0d9d27a6689086a44ee.exe	83
PID 3084 wrote to memory of 2216	3084	20f35221180e4fa253de678863c4ca49f24f4dd4998ee0d9d27a6689086a44ee.exe	83
PID 3084 wrote to memory of 2216	3084	20f35221180e4fa253de678863c4ca49f24f4dd4998ee0d9d27a6689086a44ee.exe	83
PID 3084 wrote to memory of 2216	3084	20f35221180e4fa253de678863c4ca49f24f4dd4998ee0d9d27a6689086a44ee.exe	83
PID 3084 wrote to memory of 2216	3084	20f35221180e4fa253de678863c4ca49f24f4dd4998ee0d9d27a6689086a44ee.exe	83
PID 3084 wrote to memory of 2216	3084	20f35221180e4fa253de678863c4ca49f24f4dd4998ee0d9d27a6689086a44ee.exe	83

C:\Users\Admin\AppData\Local\Temp\20f35221180e4fa253de678863c4ca49f24f4dd4998ee0d9d27a6689086a44ee.exe
"C:\Users\Admin\AppData\Local\Temp\20f35221180e4fa253de678863c4ca49f24f4dd4998ee0d9d27a6689086a44ee.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3084
- C:\Users\Admin\AppData\Local\Temp\20f35221180e4fa253de678863c4ca49f24f4dd4998ee0d9d27a6689086a44ee.exe
  "C:\Users\Admin\AppData\Local\Temp\20f35221180e4fa253de678863c4ca49f24f4dd4998ee0d9d27a6689086a44ee.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:2216

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

memory/2216-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2216-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2216-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3084-1-0x0000000002FE0000-0x00000000030E0000-memory.dmp

Filesize
1024KB

Download
memory/3084-2-0x0000000002F90000-0x0000000002F99000-memory.dmp

Filesize
36KB

Download