smokeloader | d401c95bb3f29d359ee3507a42394736f7f5b46be494ffa314de8ace02f4e62d

Analysis

max time kernel
150s
max time network
144s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
13/09/2022, 04:51

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General

Target

d401c95bb3f29d359ee3507a42394736f7f5b46be494ffa314de8ace02f4e62d.exe
Size

266KB
MD5

7d225e5f77e853c6a16ce0d49267e5d9
SHA1

f7ebb901a0d6ee810d3e0ff8177f34dd49841a31
SHA256

d401c95bb3f29d359ee3507a42394736f7f5b46be494ffa314de8ace02f4e62d
SHA512

24424fd703ac593725d3bc7a7768722a4fba9b64b4c9606b6f82f342b5725b653b222745550b1d1e92d2c2d862a87533b8509105d17b3dacce9a0cf343aaeac1
SSDEEP

6144:pPEE8OYQC1qCuMHMPlldchvtMve9AATDHMNPOGlQ63xZlHH:pL8D1qCuYmzchvtoe9AAXW2GldHl

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 5 IoCs

resource	yara_rule
behavioral1/memory/3844-141-0x00000000001D0000-0x00000000001D9000-memory.dmp	family_smokeloader
behavioral1/memory/1784-145-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1784-146-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/1784-154-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1784-177-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Deletes itself 1 IoCs

pid	Process
2836	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3844 set thread context of 1784	3844	d401c95bb3f29d359ee3507a42394736f7f5b46be494ffa314de8ace02f4e62d.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	d401c95bb3f29d359ee3507a42394736f7f5b46be494ffa314de8ace02f4e62d.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d401c95bb3f29d359ee3507a42394736f7f5b46be494ffa314de8ace02f4e62d.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d401c95bb3f29d359ee3507a42394736f7f5b46be494ffa314de8ace02f4e62d.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1784	d401c95bb3f29d359ee3507a42394736f7f5b46be494ffa314de8ace02f4e62d.exe
1784	d401c95bb3f29d359ee3507a42394736f7f5b46be494ffa314de8ace02f4e62d.exe
2836	Process not Found
2836	Process not Found
2836	Process not Found
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2836	Process not Found
2836	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2836	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1784	d401c95bb3f29d359ee3507a42394736f7f5b46be494ffa314de8ace02f4e62d.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3844 wrote to memory of 1784	3844	d401c95bb3f29d359ee3507a42394736f7f5b46be494ffa314de8ace02f4e62d.exe	66
PID 3844 wrote to memory of 1784	3844	d401c95bb3f29d359ee3507a42394736f7f5b46be494ffa314de8ace02f4e62d.exe	66
PID 3844 wrote to memory of 1784	3844	d401c95bb3f29d359ee3507a42394736f7f5b46be494ffa314de8ace02f4e62d.exe	66
PID 3844 wrote to memory of 1784	3844	d401c95bb3f29d359ee3507a42394736f7f5b46be494ffa314de8ace02f4e62d.exe	66
PID 3844 wrote to memory of 1784	3844	d401c95bb3f29d359ee3507a42394736f7f5b46be494ffa314de8ace02f4e62d.exe	66
PID 3844 wrote to memory of 1784	3844	d401c95bb3f29d359ee3507a42394736f7f5b46be494ffa314de8ace02f4e62d.exe	66

C:\Users\Admin\AppData\Local\Temp\d401c95bb3f29d359ee3507a42394736f7f5b46be494ffa314de8ace02f4e62d.exe
"C:\Users\Admin\AppData\Local\Temp\d401c95bb3f29d359ee3507a42394736f7f5b46be494ffa314de8ace02f4e62d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3844
- C:\Users\Admin\AppData\Local\Temp\d401c95bb3f29d359ee3507a42394736f7f5b46be494ffa314de8ace02f4e62d.exe
  "C:\Users\Admin\AppData\Local\Temp\d401c95bb3f29d359ee3507a42394736f7f5b46be494ffa314de8ace02f4e62d.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:1784

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/1784-161-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-163-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-177-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1784-176-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-175-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-174-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-173-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-172-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-171-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-149-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-169-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-168-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-167-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-166-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-165-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-164-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-162-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-160-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-159-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-158-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-157-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-156-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-155-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-154-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1784-152-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-147-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-151-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-150-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-145-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1784-148-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-153-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/1784-170-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-126-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-132-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-143-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-142-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-141-0x00000000001D0000-0x00000000001D9000-memory.dmp

Filesize
36KB

Download
memory/3844-140-0x00000000007F0000-0x000000000093A000-memory.dmp

Filesize
1.3MB

Download
memory/3844-134-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-135-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-136-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-138-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-139-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-137-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-115-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-116-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-144-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-129-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-133-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-128-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-127-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-124-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-125-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-131-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-123-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-122-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-121-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-120-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-119-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-118-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-117-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download