smokeloader | abfbf36f8768f8414f20761c2895e90f0f23171d814ff7426c57f668c9b7af81

Analysis

max time kernel
91s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-11-2024 00:55

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General

Target

abfbf36f8768f8414f20761c2895e90f0f23171d814ff7426c57f668c9b7af81.exe
Size

235KB
MD5

bade244d0a7ac0c7e3c21b488297998d
SHA1

90c25419673178cb85e4e63cfbcda34fef79e83c
SHA256

abfbf36f8768f8414f20761c2895e90f0f23171d814ff7426c57f668c9b7af81
SHA512

c42adb3d451226da4392bf47801434deb00a267556f9ece537aee3ebb856c84dd7a4678730512246288e79f1d8251d7fb3608f7a53be96ea0c90a08d61fdc784
SSDEEP

6144:Q/Rs1F642gSIBMnDYzEHDJ4Tew5Pk/i6:x842gSIBsYzEHN4TBgi

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 3364 set thread context of 1736	3364	abfbf36f8768f8414f20761c2895e90f0f23171d814ff7426c57f668c9b7af81.exe	88

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	abfbf36f8768f8414f20761c2895e90f0f23171d814ff7426c57f668c9b7af81.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	abfbf36f8768f8414f20761c2895e90f0f23171d814ff7426c57f668c9b7af81.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	abfbf36f8768f8414f20761c2895e90f0f23171d814ff7426c57f668c9b7af81.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	abfbf36f8768f8414f20761c2895e90f0f23171d814ff7426c57f668c9b7af81.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3364 wrote to memory of 1736	3364	abfbf36f8768f8414f20761c2895e90f0f23171d814ff7426c57f668c9b7af81.exe	88
PID 3364 wrote to memory of 1736	3364	abfbf36f8768f8414f20761c2895e90f0f23171d814ff7426c57f668c9b7af81.exe	88
PID 3364 wrote to memory of 1736	3364	abfbf36f8768f8414f20761c2895e90f0f23171d814ff7426c57f668c9b7af81.exe	88
PID 3364 wrote to memory of 1736	3364	abfbf36f8768f8414f20761c2895e90f0f23171d814ff7426c57f668c9b7af81.exe	88
PID 3364 wrote to memory of 1736	3364	abfbf36f8768f8414f20761c2895e90f0f23171d814ff7426c57f668c9b7af81.exe	88
PID 3364 wrote to memory of 1736	3364	abfbf36f8768f8414f20761c2895e90f0f23171d814ff7426c57f668c9b7af81.exe	88

C:\Users\Admin\AppData\Local\Temp\abfbf36f8768f8414f20761c2895e90f0f23171d814ff7426c57f668c9b7af81.exe
"C:\Users\Admin\AppData\Local\Temp\abfbf36f8768f8414f20761c2895e90f0f23171d814ff7426c57f668c9b7af81.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3364
- C:\Users\Admin\AppData\Local\Temp\abfbf36f8768f8414f20761c2895e90f0f23171d814ff7426c57f668c9b7af81.exe
  "C:\Users\Admin\AppData\Local\Temp\abfbf36f8768f8414f20761c2895e90f0f23171d814ff7426c57f668c9b7af81.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:1736

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/1736-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1736-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1736-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3364-2-0x0000000004890000-0x000000000489A000-memory.dmp

Filesize
40KB

Download
memory/3364-1-0x0000000002DA0000-0x0000000002EA0000-memory.dmp

Filesize
1024KB

Download