smokeloader | f5ae9d6e3625bc7404a9f48245bb0b198c3697e85264127cf4db53a0d9df0e29

Analysis

max time kernel
149s
max time network
151s
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 13:49

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General

Target

5a208f18c51f949e71f6b477d4718579b09e34218691fe904a305efbcfe800bd.exe
Size

217KB
MD5

ac7c9f3b7dfb8d2046f55a49d920164f
SHA1

5c278d1e73bf037d601b87a2a71ecba73a4753d6
SHA256

5a208f18c51f949e71f6b477d4718579b09e34218691fe904a305efbcfe800bd
SHA512

16a007bbf5531789baa5e24bbe4239a3e64c5b1be8e94fdbe129a9c826d6c54b826648445b8800303cff55188ceb8a760b411ce6bd704aabc89c603367964c6a
SSDEEP

3072:XcCMQlRcaxBzNgx0LklC6JJvE56Zaa7O5P1R6XMmdBq/lyJ4bx:XcGXbzRLklCiJvl3YPzYMQBqDb

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 1036 set thread context of 3648	1036	5a208f18c51f949e71f6b477d4718579b09e34218691fe904a305efbcfe800bd.exe	84

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	5a208f18c51f949e71f6b477d4718579b09e34218691fe904a305efbcfe800bd.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	5a208f18c51f949e71f6b477d4718579b09e34218691fe904a305efbcfe800bd.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	5a208f18c51f949e71f6b477d4718579b09e34218691fe904a305efbcfe800bd.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	5a208f18c51f949e71f6b477d4718579b09e34218691fe904a305efbcfe800bd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1036 wrote to memory of 3648	1036	5a208f18c51f949e71f6b477d4718579b09e34218691fe904a305efbcfe800bd.exe	84
PID 1036 wrote to memory of 3648	1036	5a208f18c51f949e71f6b477d4718579b09e34218691fe904a305efbcfe800bd.exe	84
PID 1036 wrote to memory of 3648	1036	5a208f18c51f949e71f6b477d4718579b09e34218691fe904a305efbcfe800bd.exe	84
PID 1036 wrote to memory of 3648	1036	5a208f18c51f949e71f6b477d4718579b09e34218691fe904a305efbcfe800bd.exe	84
PID 1036 wrote to memory of 3648	1036	5a208f18c51f949e71f6b477d4718579b09e34218691fe904a305efbcfe800bd.exe	84
PID 1036 wrote to memory of 3648	1036	5a208f18c51f949e71f6b477d4718579b09e34218691fe904a305efbcfe800bd.exe	84

C:\Users\Admin\AppData\Local\Temp\5a208f18c51f949e71f6b477d4718579b09e34218691fe904a305efbcfe800bd.exe
"C:\Users\Admin\AppData\Local\Temp\5a208f18c51f949e71f6b477d4718579b09e34218691fe904a305efbcfe800bd.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1036
- C:\Users\Admin\AppData\Local\Temp\5a208f18c51f949e71f6b477d4718579b09e34218691fe904a305efbcfe800bd.exe
  "C:\Users\Admin\AppData\Local\Temp\5a208f18c51f949e71f6b477d4718579b09e34218691fe904a305efbcfe800bd.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:3648

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/1036-1-0x0000000000700000-0x0000000000800000-memory.dmp

Filesize
1024KB

Download
memory/1036-2-0x00000000021A0000-0x00000000021A9000-memory.dmp

Filesize
36KB

Download
memory/3648-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3648-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3648-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download