smokeloader | 6e073af595df46e635231ce8d62194e1b6c53a90eaa08a4051e9eb53022f82bd

Analysis

max time kernel
150s
max time network
147s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
28/09/2022, 16:45

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General

Target

6e073af595df46e635231ce8d62194e1b6c53a90eaa08a4051e9eb53022f82bd.exe
Size

295KB
MD5

fd3863dfd5b35b2c208409044f6614c1
SHA1

be885f0ee463608deeba2ffed2e82fb13313706c
SHA256

6e073af595df46e635231ce8d62194e1b6c53a90eaa08a4051e9eb53022f82bd
SHA512

385925ab2ee0350c92523fe2037c9d897d78bc132eca52e936cb20791961722365ac4390d53495b1fe1136e481c64e390684a7fa2e638a57c31dc3af77d10006
SSDEEP

6144:bwGWa1hltWmb7lJuBACMd0q1igavwVfI:bdltWmb2AYqYR

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 5 IoCs

resource	yara_rule
behavioral1/memory/2700-145-0x00000000001D0000-0x00000000001D9000-memory.dmp	family_smokeloader
behavioral1/memory/4784-146-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4784-147-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/4784-161-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4784-178-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Deletes itself 1 IoCs

pid	Process
1736	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2700 set thread context of 4784	2700	6e073af595df46e635231ce8d62194e1b6c53a90eaa08a4051e9eb53022f82bd.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	6e073af595df46e635231ce8d62194e1b6c53a90eaa08a4051e9eb53022f82bd.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	6e073af595df46e635231ce8d62194e1b6c53a90eaa08a4051e9eb53022f82bd.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	6e073af595df46e635231ce8d62194e1b6c53a90eaa08a4051e9eb53022f82bd.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4784	6e073af595df46e635231ce8d62194e1b6c53a90eaa08a4051e9eb53022f82bd.exe
4784	6e073af595df46e635231ce8d62194e1b6c53a90eaa08a4051e9eb53022f82bd.exe
1736	Process not Found
1736	Process not Found
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1736	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1736	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4784	6e073af595df46e635231ce8d62194e1b6c53a90eaa08a4051e9eb53022f82bd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 4784	2700	6e073af595df46e635231ce8d62194e1b6c53a90eaa08a4051e9eb53022f82bd.exe	66
PID 2700 wrote to memory of 4784	2700	6e073af595df46e635231ce8d62194e1b6c53a90eaa08a4051e9eb53022f82bd.exe	66
PID 2700 wrote to memory of 4784	2700	6e073af595df46e635231ce8d62194e1b6c53a90eaa08a4051e9eb53022f82bd.exe	66
PID 2700 wrote to memory of 4784	2700	6e073af595df46e635231ce8d62194e1b6c53a90eaa08a4051e9eb53022f82bd.exe	66
PID 2700 wrote to memory of 4784	2700	6e073af595df46e635231ce8d62194e1b6c53a90eaa08a4051e9eb53022f82bd.exe	66
PID 2700 wrote to memory of 4784	2700	6e073af595df46e635231ce8d62194e1b6c53a90eaa08a4051e9eb53022f82bd.exe	66

C:\Users\Admin\AppData\Local\Temp\6e073af595df46e635231ce8d62194e1b6c53a90eaa08a4051e9eb53022f82bd.exe
"C:\Users\Admin\AppData\Local\Temp\6e073af595df46e635231ce8d62194e1b6c53a90eaa08a4051e9eb53022f82bd.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Users\Admin\AppData\Local\Temp\6e073af595df46e635231ce8d62194e1b6c53a90eaa08a4051e9eb53022f82bd.exe
  "C:\Users\Admin\AppData\Local\Temp\6e073af595df46e635231ce8d62194e1b6c53a90eaa08a4051e9eb53022f82bd.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:4784

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/2700-116-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-117-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-118-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-119-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-120-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-121-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-122-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-124-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-125-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-126-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-127-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-128-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-130-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-129-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-131-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-132-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-133-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-134-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-135-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-136-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-137-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-138-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-139-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-140-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-141-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-142-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-144-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-145-0x00000000001D0000-0x00000000001D9000-memory.dmp

Filesize
36KB

Download
memory/2700-143-0x0000000000450000-0x00000000004FE000-memory.dmp

Filesize
696KB

Download
memory/4784-146-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4784-148-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-149-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-150-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-151-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-152-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-153-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-154-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-155-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-156-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-158-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-157-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-159-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-160-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-161-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4784-162-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-163-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-164-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-165-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-166-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-167-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-168-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-169-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-170-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-171-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-172-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-173-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-174-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-175-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-176-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-177-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4784-178-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download