smokeloader | cb2ee077dae92931c48a7517bcd7f3e8cbbf30125b32eeec0eb9b1478369bbca

Analysis

max time kernel
150s
max time network
71s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
26/10/2022, 10:27

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General

Target

cb2ee077dae92931c48a7517bcd7f3e8cbbf30125b32eeec0eb9b1478369bbca.exe
Size

216KB
MD5

25904484d382fb8f47abfb76b6f3a346
SHA1

30e232616e35d6a511a8aeab5efd46a579395b16
SHA256

cb2ee077dae92931c48a7517bcd7f3e8cbbf30125b32eeec0eb9b1478369bbca
SHA512

a31d9ff44e2387d141debe3597b7a3c5963023cbef72a5ba197441b8aad2fbfd7d4a8af8189601fe5d247b60656508f67c8f684657568c54a7d6b702ffa8db8b
SSDEEP

3072:XNChgWID6B4KpLviiE1Q57ZxSQY/erqm250tex:XMh3dLaiE1QxSvQqm2SY

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 5 IoCs

resource	yara_rule
behavioral1/memory/4672-140-0x0000000000680000-0x0000000000689000-memory.dmp	family_smokeloader
behavioral1/memory/1972-144-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1972-145-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/1972-166-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1972-177-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Deletes itself 1 IoCs

pid	Process
2988	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4672 set thread context of 1972	4672	cb2ee077dae92931c48a7517bcd7f3e8cbbf30125b32eeec0eb9b1478369bbca.exe	66

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	cb2ee077dae92931c48a7517bcd7f3e8cbbf30125b32eeec0eb9b1478369bbca.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cb2ee077dae92931c48a7517bcd7f3e8cbbf30125b32eeec0eb9b1478369bbca.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cb2ee077dae92931c48a7517bcd7f3e8cbbf30125b32eeec0eb9b1478369bbca.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1972	cb2ee077dae92931c48a7517bcd7f3e8cbbf30125b32eeec0eb9b1478369bbca.exe
1972	cb2ee077dae92931c48a7517bcd7f3e8cbbf30125b32eeec0eb9b1478369bbca.exe
2988	Process not Found
2988	Process not Found
2988	Process not Found
2988	Process not Found
2988	Process not Found
2988	Process not Found
2988	Process not Found
2988	Process not Found
2988	Process not Found
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2988	Process not Found
2988	Process not Found
2988	Process not Found
2988	Process not Found
2988	Process not Found
2988	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2988	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1972	cb2ee077dae92931c48a7517bcd7f3e8cbbf30125b32eeec0eb9b1478369bbca.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4672 wrote to memory of 1972	4672	cb2ee077dae92931c48a7517bcd7f3e8cbbf30125b32eeec0eb9b1478369bbca.exe	66
PID 4672 wrote to memory of 1972	4672	cb2ee077dae92931c48a7517bcd7f3e8cbbf30125b32eeec0eb9b1478369bbca.exe	66
PID 4672 wrote to memory of 1972	4672	cb2ee077dae92931c48a7517bcd7f3e8cbbf30125b32eeec0eb9b1478369bbca.exe	66
PID 4672 wrote to memory of 1972	4672	cb2ee077dae92931c48a7517bcd7f3e8cbbf30125b32eeec0eb9b1478369bbca.exe	66
PID 4672 wrote to memory of 1972	4672	cb2ee077dae92931c48a7517bcd7f3e8cbbf30125b32eeec0eb9b1478369bbca.exe	66
PID 4672 wrote to memory of 1972	4672	cb2ee077dae92931c48a7517bcd7f3e8cbbf30125b32eeec0eb9b1478369bbca.exe	66

C:\Users\Admin\AppData\Local\Temp\cb2ee077dae92931c48a7517bcd7f3e8cbbf30125b32eeec0eb9b1478369bbca.exe
"C:\Users\Admin\AppData\Local\Temp\cb2ee077dae92931c48a7517bcd7f3e8cbbf30125b32eeec0eb9b1478369bbca.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4672
- C:\Users\Admin\AppData\Local\Temp\cb2ee077dae92931c48a7517bcd7f3e8cbbf30125b32eeec0eb9b1478369bbca.exe
  "C:\Users\Admin\AppData\Local\Temp\cb2ee077dae92931c48a7517bcd7f3e8cbbf30125b32eeec0eb9b1478369bbca.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:1972

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/1972-160-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-163-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-177-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1972-176-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-175-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-174-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-173-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-172-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-171-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-170-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-169-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-166-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1972-168-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-167-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-165-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-164-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-149-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-162-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-161-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-159-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-158-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-157-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-156-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-155-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-154-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-153-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-152-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-151-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-144-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1972-150-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-147-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/1972-146-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/4672-131-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/4672-130-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/4672-116-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/4672-143-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/4672-142-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/4672-141-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/4672-140-0x0000000000680000-0x0000000000689000-memory.dmp

Filesize
36KB

Download
memory/4672-139-0x0000000000846000-0x0000000000856000-memory.dmp

Filesize
64KB

Download
memory/4672-138-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/4672-136-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/4672-137-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/4672-135-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/4672-115-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/4672-134-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/4672-133-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/4672-132-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/4672-148-0x0000000000846000-0x0000000000856000-memory.dmp

Filesize
64KB

Download
memory/4672-129-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/4672-128-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/4672-127-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/4672-126-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/4672-125-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/4672-124-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/4672-123-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/4672-122-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/4672-121-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/4672-120-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/4672-119-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/4672-118-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download
memory/4672-117-0x00000000776C0000-0x000000007784E000-memory.dmp

Filesize
1.6MB

Download