smokeloader | 20d6a2324f422d2a76f7af60c0817e1362b34ecbc21789e209754b59e8a1310f

Analysis

max time kernel
189s
max time network
183s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
11/10/2022, 20:21

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General

Target

20d6a2324f422d2a76f7af60c0817e1362b34ecbc21789e209754b59e8a1310f.exe
Size

215KB
MD5

cae2b813b35b27c7816b6ccf796f64d5
SHA1

ebb4b7dd5ff4bb8207e97579f6acd4641d987370
SHA256

20d6a2324f422d2a76f7af60c0817e1362b34ecbc21789e209754b59e8a1310f
SHA512

5e997ee7fd63f95951efbfb007fa8c7f2b42ccc587e33182f2c27688586a007ade6065f9134a38a2553680328594566b02f4e39f68ed10e7ffe5500c781c207b
SSDEEP

3072:pjsh2ZI7gqfrLW56PM/ZvGsF1255s5mmNDVm9Fd/6qBssrngHbO:JouGzLW5N/WPsomWSqBssrng7

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

resource	yara_rule
behavioral1/memory/4620-146-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4620-147-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/4620-157-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4620-178-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Deletes itself 1 IoCs

pid	Process
3032	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2692 set thread context of 4620	2692	20d6a2324f422d2a76f7af60c0817e1362b34ecbc21789e209754b59e8a1310f.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 queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	20d6a2324f422d2a76f7af60c0817e1362b34ecbc21789e209754b59e8a1310f.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	20d6a2324f422d2a76f7af60c0817e1362b34ecbc21789e209754b59e8a1310f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	20d6a2324f422d2a76f7af60c0817e1362b34ecbc21789e209754b59e8a1310f.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4620	20d6a2324f422d2a76f7af60c0817e1362b34ecbc21789e209754b59e8a1310f.exe
4620	20d6a2324f422d2a76f7af60c0817e1362b34ecbc21789e209754b59e8a1310f.exe
3032	Process not Found
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3032	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4620	20d6a2324f422d2a76f7af60c0817e1362b34ecbc21789e209754b59e8a1310f.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 4620	2692	20d6a2324f422d2a76f7af60c0817e1362b34ecbc21789e209754b59e8a1310f.exe	66
PID 2692 wrote to memory of 4620	2692	20d6a2324f422d2a76f7af60c0817e1362b34ecbc21789e209754b59e8a1310f.exe	66
PID 2692 wrote to memory of 4620	2692	20d6a2324f422d2a76f7af60c0817e1362b34ecbc21789e209754b59e8a1310f.exe	66
PID 2692 wrote to memory of 4620	2692	20d6a2324f422d2a76f7af60c0817e1362b34ecbc21789e209754b59e8a1310f.exe	66
PID 2692 wrote to memory of 4620	2692	20d6a2324f422d2a76f7af60c0817e1362b34ecbc21789e209754b59e8a1310f.exe	66
PID 2692 wrote to memory of 4620	2692	20d6a2324f422d2a76f7af60c0817e1362b34ecbc21789e209754b59e8a1310f.exe	66

C:\Users\Admin\AppData\Local\Temp\20d6a2324f422d2a76f7af60c0817e1362b34ecbc21789e209754b59e8a1310f.exe
"C:\Users\Admin\AppData\Local\Temp\20d6a2324f422d2a76f7af60c0817e1362b34ecbc21789e209754b59e8a1310f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Users\Admin\AppData\Local\Temp\20d6a2324f422d2a76f7af60c0817e1362b34ecbc21789e209754b59e8a1310f.exe
  "C:\Users\Admin\AppData\Local\Temp\20d6a2324f422d2a76f7af60c0817e1362b34ecbc21789e209754b59e8a1310f.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:4620

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/2692-115-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-116-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-117-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-118-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-119-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-120-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-121-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-122-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-123-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-124-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-125-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-126-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-127-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-128-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-130-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-129-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-131-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-132-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-133-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-134-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-135-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-136-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-138-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-139-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-140-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-141-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-142-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-144-0x0000000000660000-0x00000000007AA000-memory.dmp

Filesize
1.3MB

Download
memory/2692-143-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/2692-145-0x00000000005A0000-0x000000000064E000-memory.dmp

Filesize
696KB

Download
memory/4620-146-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4620-148-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-149-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-150-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-151-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-152-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-153-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-154-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-155-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-157-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4620-156-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-158-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-159-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-160-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-161-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-162-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-163-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-164-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-165-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-167-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-168-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-166-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-169-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-170-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-171-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-172-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-173-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-174-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-175-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-176-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-177-0x00000000775D0000-0x000000007775E000-memory.dmp

Filesize
1.6MB

Download
memory/4620-178-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download