smokeloader | 1971f8e513ac05efce84575b72c042677a735f6698d927f0973c50471515abe3

Analysis

max time kernel
93s
max time network
147s
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 13:35

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General

Target

29f391a2943fe0a0c48438f4c913fd561e6f6b1d8938b87032851f92de12b7c6.exe
Size

301KB
MD5

938569c9966483a8dd41e56c11139efe
SHA1

92542e43dd51b0205f387e2279a08349dfdfd607
SHA256

29f391a2943fe0a0c48438f4c913fd561e6f6b1d8938b87032851f92de12b7c6
SHA512

b86aa27faece20c80391b2a0495902e82dc5914533f9976b9d1ce0d2ea051d3249c7f22d2d539604e63c8f03776a1920d06384f6f58298cd20e19c035f999a6d
SSDEEP

6144:hd0t2cqpGDT0Q+s8X0m8LrX4lO6fE6Nn:Y8cqQAQ+s0MrDJ6N

Score

10^/10

smokeloader pub3 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

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 4120 set thread context of 532	4120	29f391a2943fe0a0c48438f4c913fd561e6f6b1d8938b87032851f92de12b7c6.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	29f391a2943fe0a0c48438f4c913fd561e6f6b1d8938b87032851f92de12b7c6.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	29f391a2943fe0a0c48438f4c913fd561e6f6b1d8938b87032851f92de12b7c6.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	29f391a2943fe0a0c48438f4c913fd561e6f6b1d8938b87032851f92de12b7c6.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	29f391a2943fe0a0c48438f4c913fd561e6f6b1d8938b87032851f92de12b7c6.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4120 wrote to memory of 532	4120	29f391a2943fe0a0c48438f4c913fd561e6f6b1d8938b87032851f92de12b7c6.exe	83
PID 4120 wrote to memory of 532	4120	29f391a2943fe0a0c48438f4c913fd561e6f6b1d8938b87032851f92de12b7c6.exe	83
PID 4120 wrote to memory of 532	4120	29f391a2943fe0a0c48438f4c913fd561e6f6b1d8938b87032851f92de12b7c6.exe	83
PID 4120 wrote to memory of 532	4120	29f391a2943fe0a0c48438f4c913fd561e6f6b1d8938b87032851f92de12b7c6.exe	83
PID 4120 wrote to memory of 532	4120	29f391a2943fe0a0c48438f4c913fd561e6f6b1d8938b87032851f92de12b7c6.exe	83
PID 4120 wrote to memory of 532	4120	29f391a2943fe0a0c48438f4c913fd561e6f6b1d8938b87032851f92de12b7c6.exe	83

C:\Users\Admin\AppData\Local\Temp\29f391a2943fe0a0c48438f4c913fd561e6f6b1d8938b87032851f92de12b7c6.exe
"C:\Users\Admin\AppData\Local\Temp\29f391a2943fe0a0c48438f4c913fd561e6f6b1d8938b87032851f92de12b7c6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4120
- C:\Users\Admin\AppData\Local\Temp\29f391a2943fe0a0c48438f4c913fd561e6f6b1d8938b87032851f92de12b7c6.exe
  "C:\Users\Admin\AppData\Local\Temp\29f391a2943fe0a0c48438f4c913fd561e6f6b1d8938b87032851f92de12b7c6.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:532

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/532-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/532-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/532-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4120-2-0x0000000000620000-0x0000000000629000-memory.dmp

Filesize
36KB

Download
memory/4120-1-0x0000000000470000-0x0000000000570000-memory.dmp

Filesize
1024KB

Download