smokeloader | d559c37122df1e49c92d4feb41cfbfdba1b2879e809b825e47be39e98d2b9785

Analysis

max time kernel
150s
max time network
66s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
19-10-2022 20:16

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General

Target

d559c37122df1e49c92d4feb41cfbfdba1b2879e809b825e47be39e98d2b9785.exe
Size

229KB
MD5

a7cd11aa0d6e09767473182818e2f91a
SHA1

076c24fc71a472f81a38611e5d7b2586eae69425
SHA256

d559c37122df1e49c92d4feb41cfbfdba1b2879e809b825e47be39e98d2b9785
SHA512

005ed57595caf607310891e80163612889d1b47f5d87457a8d50c1db83259d9b1e49e49f11e124cef74bac4aba76c9a389f630308fd4ab680c6a103194383ef1
SSDEEP

3072:XK2aDBjqCV+4pR+X8L0qcCAPoWcsIxgDUwFuSKrnHNU1nzpxOrk74h:XKhDBGVML0AAPoxsGn7HNoag74

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 5 IoCs

resource	yara_rule
behavioral1/memory/4152-145-0x00000000001F0000-0x00000000001F9000-memory.dmp	family_smokeloader
behavioral1/memory/2108-150-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/2108-151-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/2108-164-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/2108-182-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Deletes itself 1 IoCs

pid	Process
2896	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4152 set thread context of 2108	4152	d559c37122df1e49c92d4feb41cfbfdba1b2879e809b825e47be39e98d2b9785.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 queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d559c37122df1e49c92d4feb41cfbfdba1b2879e809b825e47be39e98d2b9785.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d559c37122df1e49c92d4feb41cfbfdba1b2879e809b825e47be39e98d2b9785.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d559c37122df1e49c92d4feb41cfbfdba1b2879e809b825e47be39e98d2b9785.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2108	d559c37122df1e49c92d4feb41cfbfdba1b2879e809b825e47be39e98d2b9785.exe
2108	d559c37122df1e49c92d4feb41cfbfdba1b2879e809b825e47be39e98d2b9785.exe
2896	Process not Found
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2896	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2108	d559c37122df1e49c92d4feb41cfbfdba1b2879e809b825e47be39e98d2b9785.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4152 wrote to memory of 2108	4152	d559c37122df1e49c92d4feb41cfbfdba1b2879e809b825e47be39e98d2b9785.exe	67
PID 4152 wrote to memory of 2108	4152	d559c37122df1e49c92d4feb41cfbfdba1b2879e809b825e47be39e98d2b9785.exe	67
PID 4152 wrote to memory of 2108	4152	d559c37122df1e49c92d4feb41cfbfdba1b2879e809b825e47be39e98d2b9785.exe	67
PID 4152 wrote to memory of 2108	4152	d559c37122df1e49c92d4feb41cfbfdba1b2879e809b825e47be39e98d2b9785.exe	67
PID 4152 wrote to memory of 2108	4152	d559c37122df1e49c92d4feb41cfbfdba1b2879e809b825e47be39e98d2b9785.exe	67
PID 4152 wrote to memory of 2108	4152	d559c37122df1e49c92d4feb41cfbfdba1b2879e809b825e47be39e98d2b9785.exe	67

C:\Users\Admin\AppData\Local\Temp\d559c37122df1e49c92d4feb41cfbfdba1b2879e809b825e47be39e98d2b9785.exe
"C:\Users\Admin\AppData\Local\Temp\d559c37122df1e49c92d4feb41cfbfdba1b2879e809b825e47be39e98d2b9785.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4152
- C:\Users\Admin\AppData\Local\Temp\d559c37122df1e49c92d4feb41cfbfdba1b2879e809b825e47be39e98d2b9785.exe
  "C:\Users\Admin\AppData\Local\Temp\d559c37122df1e49c92d4feb41cfbfdba1b2879e809b825e47be39e98d2b9785.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:2108

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/2108-166-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-169-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-151-0x0000000000402DD8-mapping.dmp

Download
memory/2108-182-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2108-153-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-181-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-180-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-179-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-152-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-177-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-176-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-175-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-174-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-173-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-172-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-171-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-170-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-154-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-168-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-167-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-161-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-165-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-164-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2108-163-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-162-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-159-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-160-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-158-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-157-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-150-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2108-156-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-178-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-155-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-137-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-124-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-122-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-149-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-148-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-147-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-144-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-146-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-145-0x00000000001F0000-0x00000000001F9000-memory.dmp

Filesize
36KB

Download
memory/4152-142-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-143-0x00000000005A0000-0x00000000006EA000-memory.dmp

Filesize
1.3MB

Download
memory/4152-141-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-120-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-140-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-139-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-138-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-121-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-136-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-135-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-134-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-133-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-132-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-131-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-130-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-129-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-128-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-126-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-125-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/4152-123-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download