smokeloader | 79258a91193e598bda2bda0c75f957bc695cdd8c40448ec7b49609d1c27aebdb

Analysis

max time kernel
150s
max time network
73s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
02-01-2023 22:40

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General

Target

79258a91193e598bda2bda0c75f957bc695cdd8c40448ec7b49609d1c27aebdb.exe
Size

195KB
MD5

1bef6c2691cfbc12015ced39bec0cf3b
SHA1

5f3e1977e9d33b016730f33dde4a579fcb90df6e
SHA256

79258a91193e598bda2bda0c75f957bc695cdd8c40448ec7b49609d1c27aebdb
SHA512

32dec1d210b636779451156c776fa2c0b525a04e50574438715990eae1884d93b77dfe487f1dc69161d796113526c4f524aa7b7634ff324fef7dbeeb056e3f10
SSDEEP

3072:XX5F2zO9GLgC1XdMxo5qaFfP1lcr7tmDhfg4DmZhLP:H9YLBdM3iP1lcr7tCftG

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 5 IoCs

resource	yara_rule
behavioral1/memory/2832-140-0x00000000004A0000-0x00000000004A9000-memory.dmp	family_smokeloader
behavioral1/memory/3804-145-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/3804-146-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/3804-160-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/3804-177-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Deletes itself 1 IoCs

pid	Process
2336	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2832 set thread context of 3804	2832	79258a91193e598bda2bda0c75f957bc695cdd8c40448ec7b49609d1c27aebdb.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	79258a91193e598bda2bda0c75f957bc695cdd8c40448ec7b49609d1c27aebdb.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	79258a91193e598bda2bda0c75f957bc695cdd8c40448ec7b49609d1c27aebdb.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	79258a91193e598bda2bda0c75f957bc695cdd8c40448ec7b49609d1c27aebdb.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3804	79258a91193e598bda2bda0c75f957bc695cdd8c40448ec7b49609d1c27aebdb.exe
3804	79258a91193e598bda2bda0c75f957bc695cdd8c40448ec7b49609d1c27aebdb.exe
2336	Process not Found
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2336	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3804	79258a91193e598bda2bda0c75f957bc695cdd8c40448ec7b49609d1c27aebdb.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2832 wrote to memory of 3804	2832	79258a91193e598bda2bda0c75f957bc695cdd8c40448ec7b49609d1c27aebdb.exe	66
PID 2832 wrote to memory of 3804	2832	79258a91193e598bda2bda0c75f957bc695cdd8c40448ec7b49609d1c27aebdb.exe	66
PID 2832 wrote to memory of 3804	2832	79258a91193e598bda2bda0c75f957bc695cdd8c40448ec7b49609d1c27aebdb.exe	66
PID 2832 wrote to memory of 3804	2832	79258a91193e598bda2bda0c75f957bc695cdd8c40448ec7b49609d1c27aebdb.exe	66
PID 2832 wrote to memory of 3804	2832	79258a91193e598bda2bda0c75f957bc695cdd8c40448ec7b49609d1c27aebdb.exe	66
PID 2832 wrote to memory of 3804	2832	79258a91193e598bda2bda0c75f957bc695cdd8c40448ec7b49609d1c27aebdb.exe	66

C:\Users\Admin\AppData\Local\Temp\79258a91193e598bda2bda0c75f957bc695cdd8c40448ec7b49609d1c27aebdb.exe
"C:\Users\Admin\AppData\Local\Temp\79258a91193e598bda2bda0c75f957bc695cdd8c40448ec7b49609d1c27aebdb.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2832
- C:\Users\Admin\AppData\Local\Temp\79258a91193e598bda2bda0c75f957bc695cdd8c40448ec7b49609d1c27aebdb.exe
  "C:\Users\Admin\AppData\Local\Temp\79258a91193e598bda2bda0c75f957bc695cdd8c40448ec7b49609d1c27aebdb.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:3804

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/2832-115-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-116-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-117-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-118-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-119-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-120-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-121-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-122-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-123-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-124-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-126-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-127-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-128-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-129-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-125-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-131-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-132-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-133-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-134-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-135-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-137-0x00000000004E0000-0x000000000062A000-memory.dmp

Filesize
1.3MB

Download
memory/2832-138-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-140-0x00000000004A0000-0x00000000004A9000-memory.dmp

Filesize
36KB

Download
memory/2832-139-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-141-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-136-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-142-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-143-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-144-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-145-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3804-147-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-148-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-149-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-150-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-151-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-152-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-153-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-154-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-155-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-156-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-157-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-158-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-159-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-160-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3804-161-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-162-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-163-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-164-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-165-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-166-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-167-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-168-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-169-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-170-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-171-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-172-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-173-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-174-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-175-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-176-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3804-177-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download