smokeloader | 4080f4baddaef5ca07460bb36c8b2069b0fc6a33c76881b123d12f585f6eb30d

Analysis

max time kernel
152s
max time network
139s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
04-10-2022 01:10

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General

Target

4080f4baddaef5ca07460bb36c8b2069b0fc6a33c76881b123d12f585f6eb30d.exe
Size

264KB
MD5

023e7cfdb0ac94aa81b53c6e7505ab39
SHA1

aaa2dffa78a314d1b9466626496f8ac867fcb587
SHA256

4080f4baddaef5ca07460bb36c8b2069b0fc6a33c76881b123d12f585f6eb30d
SHA512

d149e05227d703f9987ddb3f127e070c93c9ac88739d1a16ebb4badf13c186a115469579d371a1cb369bb6974a7e86c3780181372d72fe304d79b5c11fdcf4d9
SSDEEP

6144:9aCou9po602xLlytauzbgwuE6RCTBtwVf:9DoWo6jLEAunnV68

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

resource	yara_rule
behavioral1/memory/4832-170-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4832-145-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/4832-144-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4832-177-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Deletes itself 1 IoCs

pid	Process
2128	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1736 set thread context of 4832	1736	4080f4baddaef5ca07460bb36c8b2069b0fc6a33c76881b123d12f585f6eb30d.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	4080f4baddaef5ca07460bb36c8b2069b0fc6a33c76881b123d12f585f6eb30d.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4080f4baddaef5ca07460bb36c8b2069b0fc6a33c76881b123d12f585f6eb30d.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4080f4baddaef5ca07460bb36c8b2069b0fc6a33c76881b123d12f585f6eb30d.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4832	4080f4baddaef5ca07460bb36c8b2069b0fc6a33c76881b123d12f585f6eb30d.exe
4832	4080f4baddaef5ca07460bb36c8b2069b0fc6a33c76881b123d12f585f6eb30d.exe
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found
2128	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2128	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4832	4080f4baddaef5ca07460bb36c8b2069b0fc6a33c76881b123d12f585f6eb30d.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 4832	1736	4080f4baddaef5ca07460bb36c8b2069b0fc6a33c76881b123d12f585f6eb30d.exe	66
PID 1736 wrote to memory of 4832	1736	4080f4baddaef5ca07460bb36c8b2069b0fc6a33c76881b123d12f585f6eb30d.exe	66
PID 1736 wrote to memory of 4832	1736	4080f4baddaef5ca07460bb36c8b2069b0fc6a33c76881b123d12f585f6eb30d.exe	66
PID 1736 wrote to memory of 4832	1736	4080f4baddaef5ca07460bb36c8b2069b0fc6a33c76881b123d12f585f6eb30d.exe	66
PID 1736 wrote to memory of 4832	1736	4080f4baddaef5ca07460bb36c8b2069b0fc6a33c76881b123d12f585f6eb30d.exe	66
PID 1736 wrote to memory of 4832	1736	4080f4baddaef5ca07460bb36c8b2069b0fc6a33c76881b123d12f585f6eb30d.exe	66

C:\Users\Admin\AppData\Local\Temp\4080f4baddaef5ca07460bb36c8b2069b0fc6a33c76881b123d12f585f6eb30d.exe
"C:\Users\Admin\AppData\Local\Temp\4080f4baddaef5ca07460bb36c8b2069b0fc6a33c76881b123d12f585f6eb30d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Users\Admin\AppData\Local\Temp\4080f4baddaef5ca07460bb36c8b2069b0fc6a33c76881b123d12f585f6eb30d.exe
  "C:\Users\Admin\AppData\Local\Temp\4080f4baddaef5ca07460bb36c8b2069b0fc6a33c76881b123d12f585f6eb30d.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:4832

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/1736-116-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/1736-118-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/1736-119-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/1736-117-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/1736-120-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/1736-121-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/1736-123-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/1736-124-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/1736-122-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/1736-125-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/1736-126-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/1736-127-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/1736-129-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/1736-128-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/1736-130-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/1736-133-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/1736-134-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/1736-135-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/1736-136-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/1736-137-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/1736-132-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/1736-131-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/1736-138-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/1736-140-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/1736-142-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/1736-141-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/1736-147-0x000000000073B000-0x000000000074C000-memory.dmp

Filesize
68KB

Download
memory/1736-143-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/1736-139-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-150-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-153-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-155-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-154-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-152-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-157-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-158-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-160-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-163-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-164-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-165-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-166-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-167-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-162-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-161-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-168-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-170-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4832-171-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-172-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-175-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-176-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-174-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-173-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-169-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-159-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-156-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-151-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-149-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-148-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-146-0x00000000779A0000-0x0000000077B2E000-memory.dmp

Filesize
1.6MB

Download
memory/4832-145-0x0000000000402DD8-mapping.dmp

Download
memory/4832-144-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4832-177-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download