smokeloader | 90679b4a0cb26f6038a05cfd8270d46a5b3c4995bbaf59efd6d3e5de4fdc29e5

Analysis

max time kernel
150s
max time network
147s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
29/12/2022, 17:39

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General

Target

90679b4a0cb26f6038a05cfd8270d46a5b3c4995bbaf59efd6d3e5de4fdc29e5.exe
Size

312KB
MD5

e4f0b0d9139ec1eb82dc9cc1e20af7b4
SHA1

26a3a97f08ad1f75e423c9e5065cc8f1144ba84f
SHA256

90679b4a0cb26f6038a05cfd8270d46a5b3c4995bbaf59efd6d3e5de4fdc29e5
SHA512

3adec6e9cf5c7ac60f85adb18077ffa1639caf978bfa50ec83629b81984416b723c4e0b5f7982e3e1ee456b8c1496fab737c699a72f188e6c50d43ea199fba8b
SSDEEP

3072:Q3DLOYedv5MoJptICka6L1qZDUs6G+gSENrOKbIxe01Cz5Mqdqujodd/Jc5793Be:MLOYeMoLtBD6G+3yIxZ1WqqdS09R

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 5 IoCs

resource	yara_rule
behavioral1/memory/4112-146-0x0000000000540000-0x0000000000549000-memory.dmp	family_smokeloader
behavioral1/memory/1524-150-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1524-151-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/1524-169-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1524-182-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Deletes itself 1 IoCs

pid	Process
3068	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4112 set thread context of 1524	4112	90679b4a0cb26f6038a05cfd8270d46a5b3c4995bbaf59efd6d3e5de4fdc29e5.exe	67

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	90679b4a0cb26f6038a05cfd8270d46a5b3c4995bbaf59efd6d3e5de4fdc29e5.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	90679b4a0cb26f6038a05cfd8270d46a5b3c4995bbaf59efd6d3e5de4fdc29e5.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	90679b4a0cb26f6038a05cfd8270d46a5b3c4995bbaf59efd6d3e5de4fdc29e5.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1524	90679b4a0cb26f6038a05cfd8270d46a5b3c4995bbaf59efd6d3e5de4fdc29e5.exe
1524	90679b4a0cb26f6038a05cfd8270d46a5b3c4995bbaf59efd6d3e5de4fdc29e5.exe
3068	Process not Found
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3068	Process not Found
3068	Process not Found
3068	Process not Found
3068	Process not Found
3068	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3068	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1524	90679b4a0cb26f6038a05cfd8270d46a5b3c4995bbaf59efd6d3e5de4fdc29e5.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4112 wrote to memory of 1524	4112	90679b4a0cb26f6038a05cfd8270d46a5b3c4995bbaf59efd6d3e5de4fdc29e5.exe	67
PID 4112 wrote to memory of 1524	4112	90679b4a0cb26f6038a05cfd8270d46a5b3c4995bbaf59efd6d3e5de4fdc29e5.exe	67
PID 4112 wrote to memory of 1524	4112	90679b4a0cb26f6038a05cfd8270d46a5b3c4995bbaf59efd6d3e5de4fdc29e5.exe	67
PID 4112 wrote to memory of 1524	4112	90679b4a0cb26f6038a05cfd8270d46a5b3c4995bbaf59efd6d3e5de4fdc29e5.exe	67
PID 4112 wrote to memory of 1524	4112	90679b4a0cb26f6038a05cfd8270d46a5b3c4995bbaf59efd6d3e5de4fdc29e5.exe	67
PID 4112 wrote to memory of 1524	4112	90679b4a0cb26f6038a05cfd8270d46a5b3c4995bbaf59efd6d3e5de4fdc29e5.exe	67

C:\Users\Admin\AppData\Local\Temp\90679b4a0cb26f6038a05cfd8270d46a5b3c4995bbaf59efd6d3e5de4fdc29e5.exe
"C:\Users\Admin\AppData\Local\Temp\90679b4a0cb26f6038a05cfd8270d46a5b3c4995bbaf59efd6d3e5de4fdc29e5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4112
- C:\Users\Admin\AppData\Local\Temp\90679b4a0cb26f6038a05cfd8270d46a5b3c4995bbaf59efd6d3e5de4fdc29e5.exe
  "C:\Users\Admin\AppData\Local\Temp\90679b4a0cb26f6038a05cfd8270d46a5b3c4995bbaf59efd6d3e5de4fdc29e5.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:1524

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1524-166-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-169-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1524-182-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1524-181-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-180-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-179-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-178-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-177-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-176-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-153-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-174-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-173-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-172-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-171-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-170-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-168-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-167-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-165-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-164-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-163-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-162-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-161-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-160-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-159-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-158-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-152-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-156-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-155-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-150-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1524-154-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-157-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-175-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/4112-129-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/4112-137-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/4112-148-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/4112-147-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/4112-146-0x0000000000540000-0x0000000000549000-memory.dmp

Filesize
36KB

Download
memory/4112-145-0x0000000000560000-0x00000000006AA000-memory.dmp

Filesize
1.3MB

Download
memory/4112-144-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/4112-143-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/4112-142-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/4112-141-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/4112-140-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/4112-139-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/4112-120-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/4112-121-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/4112-149-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/4112-122-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/4112-138-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/4112-127-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/4112-128-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/4112-133-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/4112-131-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/4112-136-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/4112-134-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/4112-132-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/4112-130-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/4112-126-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/4112-123-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/4112-125-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download
memory/4112-124-0x0000000077250000-0x00000000773DE000-memory.dmp

Filesize
1.6MB

Download