smokeloader | 1e715d06cd9ece98291cddf44f6d5d68b23f42d4118015b7dbcaa55bdd9d57bd

Analysis

max time kernel
150s
max time network
146s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
08/01/2023, 13:28

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General

Target

1e715d06cd9ece98291cddf44f6d5d68b23f42d4118015b7dbcaa55bdd9d57bd.exe
Size

264KB
MD5

b3c5d6243ef1d617bb9d6b80de2b51a5
SHA1

76dc85f4141b730a2b65905e9bfca1b4d20350f4
SHA256

1e715d06cd9ece98291cddf44f6d5d68b23f42d4118015b7dbcaa55bdd9d57bd
SHA512

b518aba574f4862333857d11e6c78c43b49492a6edd4bcecb5001163de1a4cdf7163db9faa6936a233cbdb5085401434108277dac823d6294c3de428d31a1b16
SSDEEP

3072:VXhENMvtL7/BW/LV/0q/R5ZXQa1UJVqurtlSE4lpxOdUZNTKXWPr0sd6:R3L7/B2/0q/Cb7tllY3OuN

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

resource	yara_rule
behavioral1/memory/5056-147-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/5056-148-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/5056-157-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/5056-179-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Deletes itself 1 IoCs

pid	Process
1916	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4936 set thread context of 5056	4936	1e715d06cd9ece98291cddf44f6d5d68b23f42d4118015b7dbcaa55bdd9d57bd.exe	67

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	1e715d06cd9ece98291cddf44f6d5d68b23f42d4118015b7dbcaa55bdd9d57bd.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1e715d06cd9ece98291cddf44f6d5d68b23f42d4118015b7dbcaa55bdd9d57bd.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1e715d06cd9ece98291cddf44f6d5d68b23f42d4118015b7dbcaa55bdd9d57bd.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
5056	1e715d06cd9ece98291cddf44f6d5d68b23f42d4118015b7dbcaa55bdd9d57bd.exe
5056	1e715d06cd9ece98291cddf44f6d5d68b23f42d4118015b7dbcaa55bdd9d57bd.exe
1916	Process not Found
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1916	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1916	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
5056	1e715d06cd9ece98291cddf44f6d5d68b23f42d4118015b7dbcaa55bdd9d57bd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4936 wrote to memory of 5056	4936	1e715d06cd9ece98291cddf44f6d5d68b23f42d4118015b7dbcaa55bdd9d57bd.exe	67
PID 4936 wrote to memory of 5056	4936	1e715d06cd9ece98291cddf44f6d5d68b23f42d4118015b7dbcaa55bdd9d57bd.exe	67
PID 4936 wrote to memory of 5056	4936	1e715d06cd9ece98291cddf44f6d5d68b23f42d4118015b7dbcaa55bdd9d57bd.exe	67
PID 4936 wrote to memory of 5056	4936	1e715d06cd9ece98291cddf44f6d5d68b23f42d4118015b7dbcaa55bdd9d57bd.exe	67
PID 4936 wrote to memory of 5056	4936	1e715d06cd9ece98291cddf44f6d5d68b23f42d4118015b7dbcaa55bdd9d57bd.exe	67
PID 4936 wrote to memory of 5056	4936	1e715d06cd9ece98291cddf44f6d5d68b23f42d4118015b7dbcaa55bdd9d57bd.exe	67

C:\Users\Admin\AppData\Local\Temp\1e715d06cd9ece98291cddf44f6d5d68b23f42d4118015b7dbcaa55bdd9d57bd.exe
"C:\Users\Admin\AppData\Local\Temp\1e715d06cd9ece98291cddf44f6d5d68b23f42d4118015b7dbcaa55bdd9d57bd.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4936
- C:\Users\Admin\AppData\Local\Temp\1e715d06cd9ece98291cddf44f6d5d68b23f42d4118015b7dbcaa55bdd9d57bd.exe
  "C:\Users\Admin\AppData\Local\Temp\1e715d06cd9ece98291cddf44f6d5d68b23f42d4118015b7dbcaa55bdd9d57bd.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:5056

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/4936-116-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-117-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-118-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-119-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-120-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-121-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-122-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-123-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-124-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-125-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-126-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-127-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-128-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-129-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-130-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-131-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-132-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-133-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-134-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-135-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-136-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-138-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-139-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-140-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-141-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-143-0x0000000002C70000-0x0000000002DBA000-memory.dmp

Filesize
1.3MB

Download
memory/4936-142-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-144-0x0000000002BB0000-0x0000000002C5E000-memory.dmp

Filesize
696KB

Download
memory/4936-145-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-146-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-147-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/5056-149-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-150-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-151-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-152-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-153-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-154-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-155-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-156-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-158-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-157-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/5056-160-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-159-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-161-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-162-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-163-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-164-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-165-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-166-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-167-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-168-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-169-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-170-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-171-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-172-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-173-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-174-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-175-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-177-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-178-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-176-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/5056-179-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download