smokeloader | c90e528ce18ee27184b82df15d5d1d8312fc9254f7cda125f3a0ca5b4abf3efa

Analysis

max time kernel
150s
max time network
145s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
05/10/2022, 07:00

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General

Target

c90e528ce18ee27184b82df15d5d1d8312fc9254f7cda125f3a0ca5b4abf3efa.exe
Size

272KB
MD5

1b3028d5d84336c03134a38d33b75c8c
SHA1

a2b7346d8bd8ad85a37570e0e0c8e140955bceb4
SHA256

c90e528ce18ee27184b82df15d5d1d8312fc9254f7cda125f3a0ca5b4abf3efa
SHA512

08ce2295e7e9b1ebd458d11e1522529c77e348d394a0d197f032dd0aa3d9cac928b3c974284ae39b5638b4a2440dca513956ec83adb253441ce93a1304730f01
SSDEEP

6144:sSts8K1LVboC5DMQ6vayuzbgwuUnXxagTQwVf:sSZK15bosMJ/unn3v

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 5 IoCs

resource	yara_rule
behavioral1/memory/4596-144-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4596-145-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/2424-147-0x00000000004A0000-0x00000000004A9000-memory.dmp	family_smokeloader
behavioral1/memory/4596-153-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4596-177-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Deletes itself 1 IoCs

pid	Process
2276	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2424 set thread context of 4596	2424	c90e528ce18ee27184b82df15d5d1d8312fc9254f7cda125f3a0ca5b4abf3efa.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	c90e528ce18ee27184b82df15d5d1d8312fc9254f7cda125f3a0ca5b4abf3efa.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c90e528ce18ee27184b82df15d5d1d8312fc9254f7cda125f3a0ca5b4abf3efa.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c90e528ce18ee27184b82df15d5d1d8312fc9254f7cda125f3a0ca5b4abf3efa.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4596	c90e528ce18ee27184b82df15d5d1d8312fc9254f7cda125f3a0ca5b4abf3efa.exe
4596	c90e528ce18ee27184b82df15d5d1d8312fc9254f7cda125f3a0ca5b4abf3efa.exe
2276	Process not Found
2276	Process not Found
2276	Process not Found
2276	Process not Found
2276	Process not Found
2276	Process not Found
2276	Process not Found
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2276	Process not Found
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2276	Process not Found
2276	Process not Found
2276	Process not Found
2276	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2276	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4596	c90e528ce18ee27184b82df15d5d1d8312fc9254f7cda125f3a0ca5b4abf3efa.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 4596	2424	c90e528ce18ee27184b82df15d5d1d8312fc9254f7cda125f3a0ca5b4abf3efa.exe	66
PID 2424 wrote to memory of 4596	2424	c90e528ce18ee27184b82df15d5d1d8312fc9254f7cda125f3a0ca5b4abf3efa.exe	66
PID 2424 wrote to memory of 4596	2424	c90e528ce18ee27184b82df15d5d1d8312fc9254f7cda125f3a0ca5b4abf3efa.exe	66
PID 2424 wrote to memory of 4596	2424	c90e528ce18ee27184b82df15d5d1d8312fc9254f7cda125f3a0ca5b4abf3efa.exe	66
PID 2424 wrote to memory of 4596	2424	c90e528ce18ee27184b82df15d5d1d8312fc9254f7cda125f3a0ca5b4abf3efa.exe	66
PID 2424 wrote to memory of 4596	2424	c90e528ce18ee27184b82df15d5d1d8312fc9254f7cda125f3a0ca5b4abf3efa.exe	66

C:\Users\Admin\AppData\Local\Temp\c90e528ce18ee27184b82df15d5d1d8312fc9254f7cda125f3a0ca5b4abf3efa.exe
"C:\Users\Admin\AppData\Local\Temp\c90e528ce18ee27184b82df15d5d1d8312fc9254f7cda125f3a0ca5b4abf3efa.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Users\Admin\AppData\Local\Temp\c90e528ce18ee27184b82df15d5d1d8312fc9254f7cda125f3a0ca5b4abf3efa.exe
  "C:\Users\Admin\AppData\Local\Temp\c90e528ce18ee27184b82df15d5d1d8312fc9254f7cda125f3a0ca5b4abf3efa.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:4596

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/2424-115-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-116-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-117-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-118-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-119-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-120-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-121-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-122-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-123-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-124-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-125-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-126-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-127-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-128-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-129-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-131-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-132-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-133-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-134-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-130-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-136-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-135-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-138-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-139-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-140-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-141-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-142-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-143-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/2424-147-0x00000000004A0000-0x00000000004A9000-memory.dmp

Filesize
36KB

Download
memory/4596-162-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-148-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-146-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-149-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-150-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-151-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-153-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4596-154-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-152-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-155-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-156-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-157-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-158-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-159-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-160-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-161-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-144-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4596-163-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-164-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-165-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-166-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-167-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-168-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-169-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-170-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-171-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-172-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-173-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-174-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-176-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-175-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4596-177-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download