smokeloader | f28a604bee55882d1f62a99c0cbdcb58943e9e4682dd85c78f9c2256566f70f5

Analysis

max time kernel
150s
max time network
75s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
29-09-2022 09:25

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General

Target

f28a604bee55882d1f62a99c0cbdcb58943e9e4682dd85c78f9c2256566f70f5.exe
Size

292KB
MD5

f0898df28bae43577f44131db4fc2eb4
SHA1

3d51fde65e5ad3201bcee9f170e679b8903aea07
SHA256

f28a604bee55882d1f62a99c0cbdcb58943e9e4682dd85c78f9c2256566f70f5
SHA512

e2bed745bb87afb315f653161aa665f7c0871717da833f164bb72f6113a9d948fb02adb2b2c7a114cf7a5e218e818a8103a27028a4374de35d3ebcfb4277b87f
SSDEEP

3072:JXhHyJTgN7umqow5V35QX6ey8zwnjz5KLhBQV3Y82F0nFV1AcoqS+0K4M/h3JpZz:thOTcqow58X6eCzk27r/1nj0RwwVfgt

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

resource	yara_rule
behavioral1/memory/3852-147-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/3852-148-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/3852-170-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/3852-180-0x0000000000400000-0x0000000000409000-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 2672 set thread context of 3852	2672	f28a604bee55882d1f62a99c0cbdcb58943e9e4682dd85c78f9c2256566f70f5.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	f28a604bee55882d1f62a99c0cbdcb58943e9e4682dd85c78f9c2256566f70f5.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f28a604bee55882d1f62a99c0cbdcb58943e9e4682dd85c78f9c2256566f70f5.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f28a604bee55882d1f62a99c0cbdcb58943e9e4682dd85c78f9c2256566f70f5.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3852	f28a604bee55882d1f62a99c0cbdcb58943e9e4682dd85c78f9c2256566f70f5.exe
3852	f28a604bee55882d1f62a99c0cbdcb58943e9e4682dd85c78f9c2256566f70f5.exe
2336	Process not Found
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
3852	f28a604bee55882d1f62a99c0cbdcb58943e9e4682dd85c78f9c2256566f70f5.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 3852	2672	f28a604bee55882d1f62a99c0cbdcb58943e9e4682dd85c78f9c2256566f70f5.exe	66
PID 2672 wrote to memory of 3852	2672	f28a604bee55882d1f62a99c0cbdcb58943e9e4682dd85c78f9c2256566f70f5.exe	66
PID 2672 wrote to memory of 3852	2672	f28a604bee55882d1f62a99c0cbdcb58943e9e4682dd85c78f9c2256566f70f5.exe	66
PID 2672 wrote to memory of 3852	2672	f28a604bee55882d1f62a99c0cbdcb58943e9e4682dd85c78f9c2256566f70f5.exe	66
PID 2672 wrote to memory of 3852	2672	f28a604bee55882d1f62a99c0cbdcb58943e9e4682dd85c78f9c2256566f70f5.exe	66
PID 2672 wrote to memory of 3852	2672	f28a604bee55882d1f62a99c0cbdcb58943e9e4682dd85c78f9c2256566f70f5.exe	66

C:\Users\Admin\AppData\Local\Temp\f28a604bee55882d1f62a99c0cbdcb58943e9e4682dd85c78f9c2256566f70f5.exe
"C:\Users\Admin\AppData\Local\Temp\f28a604bee55882d1f62a99c0cbdcb58943e9e4682dd85c78f9c2256566f70f5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Users\Admin\AppData\Local\Temp\f28a604bee55882d1f62a99c0cbdcb58943e9e4682dd85c78f9c2256566f70f5.exe
  "C:\Users\Admin\AppData\Local\Temp\f28a604bee55882d1f62a99c0cbdcb58943e9e4682dd85c78f9c2256566f70f5.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:3852

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/2672-116-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-117-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-118-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-119-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-120-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-121-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-122-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-123-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-124-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-125-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-126-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-127-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-128-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-129-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-130-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-131-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-132-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-133-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-134-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-135-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-136-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-137-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-138-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-139-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-140-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-141-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-142-0x00000000007FC000-0x000000000080C000-memory.dmp

Filesize
64KB

Download
memory/2672-144-0x0000000000450000-0x000000000059A000-memory.dmp

Filesize
1.3MB

Download
memory/2672-143-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-145-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-146-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/2672-150-0x00000000007FC000-0x000000000080C000-memory.dmp

Filesize
64KB

Download
memory/3852-147-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3852-149-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-152-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-151-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-153-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-154-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-155-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-156-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-158-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-157-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-159-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-160-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-161-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-162-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-163-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-164-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-165-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-167-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-168-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-166-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-170-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3852-169-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-171-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-172-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-173-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-174-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-175-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-176-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-177-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-178-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-179-0x0000000077B40000-0x0000000077CCE000-memory.dmp

Filesize
1.6MB

Download
memory/3852-180-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download