smokeloader | 5efc24b4685adc56e71dce962bfe8430a3ae226987e95421a011a9503549400d

Analysis

max time kernel
150s
max time network
103s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
22/09/2022, 23:57

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General

Target

5efc24b4685adc56e71dce962bfe8430a3ae226987e95421a011a9503549400d.exe
Size

280KB
MD5

d4a1d6fdbd12881069390066d6832bfd
SHA1

06b83748c33ac3e3ad95c73d0ca3e6bcef91d8af
SHA256

5efc24b4685adc56e71dce962bfe8430a3ae226987e95421a011a9503549400d
SHA512

6b446d18662cc5f409f8016e939ef4b1cab3233a37238effe5520ed1bad4654c06dc1d72cd9dea68118a37f48a13f655aaab4a47e51d5d711133dcc6ec1fde66
SSDEEP

6144:17vuTCP6LJ3wHtSWtWaRXKUlxK0CwABL5/wigavwVf:17muil3wHtSWUCXVTBABr

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 5 IoCs

resource	yara_rule
behavioral1/memory/4612-145-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4612-146-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/2960-149-0x00000000001D0000-0x00000000001D9000-memory.dmp	family_smokeloader
behavioral1/memory/4612-162-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4612-179-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Deletes itself 1 IoCs

pid	Process
2604	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2960 set thread context of 4612	2960	5efc24b4685adc56e71dce962bfe8430a3ae226987e95421a011a9503549400d.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	5efc24b4685adc56e71dce962bfe8430a3ae226987e95421a011a9503549400d.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	5efc24b4685adc56e71dce962bfe8430a3ae226987e95421a011a9503549400d.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	5efc24b4685adc56e71dce962bfe8430a3ae226987e95421a011a9503549400d.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4612	5efc24b4685adc56e71dce962bfe8430a3ae226987e95421a011a9503549400d.exe
4612	5efc24b4685adc56e71dce962bfe8430a3ae226987e95421a011a9503549400d.exe
2604	Process not Found
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2604	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4612	5efc24b4685adc56e71dce962bfe8430a3ae226987e95421a011a9503549400d.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2960 wrote to memory of 4612	2960	5efc24b4685adc56e71dce962bfe8430a3ae226987e95421a011a9503549400d.exe	66
PID 2960 wrote to memory of 4612	2960	5efc24b4685adc56e71dce962bfe8430a3ae226987e95421a011a9503549400d.exe	66
PID 2960 wrote to memory of 4612	2960	5efc24b4685adc56e71dce962bfe8430a3ae226987e95421a011a9503549400d.exe	66
PID 2960 wrote to memory of 4612	2960	5efc24b4685adc56e71dce962bfe8430a3ae226987e95421a011a9503549400d.exe	66
PID 2960 wrote to memory of 4612	2960	5efc24b4685adc56e71dce962bfe8430a3ae226987e95421a011a9503549400d.exe	66
PID 2960 wrote to memory of 4612	2960	5efc24b4685adc56e71dce962bfe8430a3ae226987e95421a011a9503549400d.exe	66

C:\Users\Admin\AppData\Local\Temp\5efc24b4685adc56e71dce962bfe8430a3ae226987e95421a011a9503549400d.exe
"C:\Users\Admin\AppData\Local\Temp\5efc24b4685adc56e71dce962bfe8430a3ae226987e95421a011a9503549400d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2960
- C:\Users\Admin\AppData\Local\Temp\5efc24b4685adc56e71dce962bfe8430a3ae226987e95421a011a9503549400d.exe
  "C:\Users\Admin\AppData\Local\Temp\5efc24b4685adc56e71dce962bfe8430a3ae226987e95421a011a9503549400d.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:4612

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/2960-116-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-117-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-118-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-119-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-120-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-121-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-122-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-123-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-124-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-125-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-126-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-127-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-128-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-129-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-130-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-131-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-132-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-133-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-134-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-136-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-137-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-138-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-139-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-140-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-135-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-141-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-142-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-143-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-144-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/2960-147-0x000000000065C000-0x000000000066D000-memory.dmp

Filesize
68KB

Download
memory/2960-149-0x00000000001D0000-0x00000000001D9000-memory.dmp

Filesize
36KB

Download
memory/4612-145-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4612-148-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-151-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-150-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-152-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-153-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-154-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-155-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-156-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-157-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-158-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-159-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-161-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-160-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-162-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4612-163-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-164-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-165-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-166-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-167-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-168-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-169-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-170-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-171-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-172-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-173-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-174-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-175-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-176-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-177-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-178-0x0000000077600000-0x000000007778E000-memory.dmp

Filesize
1.6MB

Download
memory/4612-179-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download