smokeloader | 3ab32e83edff2c036e45303bce991277e6b092a5e4061de50a49ea0b992b478b

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
29-03-2023 01:43

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General

Target

0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe
Size

251KB
MD5

d114d458c6c4e36ec866be333027110a
SHA1

950c6e1301afaefbcf1913ef856f39de4f42335c
SHA256

0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049
SHA512

a560e73fbe618b14e03c4b4e54a716b63e374be6590925f5a860ba42bee4ce80147cee89fa45f3fcee78417951fbab05a1bff86b6bec3a40f9d1f8de194c8507
SSDEEP

6144:37qMKmkzLj/dohNFNeHFiGUw6oHOCTUnQWQENL:rUmkzf/SbFkl7jAHQ

Score

10^/10

smokeloader lab backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

lab

Extracted

Family

smokeloader

Version

2020

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader

Suspicious use of SetThreadContext 1 IoCs

Processes:

0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe

description	pid	process	target process
PID 540 set thread context of 4376	540	0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe	0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.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:

0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe

pid	process
4376	0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe
4376	0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe
3152
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3152

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

3152
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe

pid process

4376 0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe

pid	process
3152

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe

description	pid	process	target process
PID 540 wrote to memory of 4376	540	0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe	0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe
PID 540 wrote to memory of 4376	540	0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe	0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe
PID 540 wrote to memory of 4376	540	0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe	0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe
PID 540 wrote to memory of 4376	540	0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe	0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe
PID 540 wrote to memory of 4376	540	0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe	0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe
PID 540 wrote to memory of 4376	540	0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe	0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe
"C:\Users\Admin\AppData\Local\Temp\0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:540

C:\Users\Admin\AppData\Local\Temp\0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe
"C:\Users\Admin\AppData\Local\Temp\0b2760e66b0860dec87a83211ad1475ccac91ad20f1ee528f09d467b99079049.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4376

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/540-138-0x0000000000840000-0x0000000000849000-memory.dmp

Filesize
36KB

Download
memory/3152-140-0x0000000002910000-0x0000000002926000-memory.dmp

Filesize
88KB

Download
memory/4376-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4376-139-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4376-141-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download