smokeloader | d2373be5062b13474f20bfde76ec2066480254ac28611bf4745ae0baa76dfdf1

Analysis

max time kernel
150s
max time network
64s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
16-09-2022 13:47

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General

Target

d2373be5062b13474f20bfde76ec2066480254ac28611bf4745ae0baa76dfdf1.exe
Size

301KB
MD5

9c63eb402b40d9df82920de517a1dbf5
SHA1

49a120eb17407e4b5763131c252d26b86bd4ce0b
SHA256

d2373be5062b13474f20bfde76ec2066480254ac28611bf4745ae0baa76dfdf1
SHA512

e03b301c17660b45c0b9c2d624b168595239ede08d9d07e9945eb0306bfd6e847e57e79ea64c92db39f2b2c8d2905c59b4d3f1b5d7e1b21fd5fd22679d508e68
SSDEEP

3072:DVXokmOz7e9eXw2CzRTaCMbGTqixD+GjjE0K8jqGnH8FXM/h3BsxkgaBChU/pZaN:Nosjgdek+GjjE0Tp8FXnigabwVf

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 8 IoCs

resource	yara_rule
behavioral1/memory/2744-147-0x0000000000570000-0x0000000000579000-memory.dmp	family_smokeloader
behavioral1/memory/4880-149-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4880-150-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/4880-161-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4880-182-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/2852-278-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/2852-310-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/2852-311-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Executes dropped EXE 2 IoCs

pid	Process
2748	javbrtw
2852	javbrtw

Deletes itself 1 IoCs

pid	Process
2108	Process not Found

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2744 set thread context of 4880	2744	d2373be5062b13474f20bfde76ec2066480254ac28611bf4745ae0baa76dfdf1.exe	66
PID 2748 set thread context of 2852	2748	javbrtw	68

Checks SCSI registry key(s) 3 TTPs 6 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 queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d2373be5062b13474f20bfde76ec2066480254ac28611bf4745ae0baa76dfdf1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d2373be5062b13474f20bfde76ec2066480254ac28611bf4745ae0baa76dfdf1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	javbrtw
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	javbrtw
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	javbrtw
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d2373be5062b13474f20bfde76ec2066480254ac28611bf4745ae0baa76dfdf1.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4880	d2373be5062b13474f20bfde76ec2066480254ac28611bf4745ae0baa76dfdf1.exe
4880	d2373be5062b13474f20bfde76ec2066480254ac28611bf4745ae0baa76dfdf1.exe
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found
2108	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2108	Process not Found

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4880	d2373be5062b13474f20bfde76ec2066480254ac28611bf4745ae0baa76dfdf1.exe
2852	javbrtw

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2108	Process not Found
Token: SeCreatePagefilePrivilege	2108	Process not Found
Token: SeShutdownPrivilege	2108	Process not Found
Token: SeCreatePagefilePrivilege	2108	Process not Found
Token: SeShutdownPrivilege	2108	Process not Found
Token: SeCreatePagefilePrivilege	2108	Process not Found
Token: SeShutdownPrivilege	2108	Process not Found
Token: SeCreatePagefilePrivilege	2108	Process not Found
Token: SeShutdownPrivilege	2108	Process not Found
Token: SeCreatePagefilePrivilege	2108	Process not Found

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 4880	2744	d2373be5062b13474f20bfde76ec2066480254ac28611bf4745ae0baa76dfdf1.exe	66
PID 2744 wrote to memory of 4880	2744	d2373be5062b13474f20bfde76ec2066480254ac28611bf4745ae0baa76dfdf1.exe	66
PID 2744 wrote to memory of 4880	2744	d2373be5062b13474f20bfde76ec2066480254ac28611bf4745ae0baa76dfdf1.exe	66
PID 2744 wrote to memory of 4880	2744	d2373be5062b13474f20bfde76ec2066480254ac28611bf4745ae0baa76dfdf1.exe	66
PID 2744 wrote to memory of 4880	2744	d2373be5062b13474f20bfde76ec2066480254ac28611bf4745ae0baa76dfdf1.exe	66
PID 2744 wrote to memory of 4880	2744	d2373be5062b13474f20bfde76ec2066480254ac28611bf4745ae0baa76dfdf1.exe	66
PID 2748 wrote to memory of 2852	2748	javbrtw	68
PID 2748 wrote to memory of 2852	2748	javbrtw	68
PID 2748 wrote to memory of 2852	2748	javbrtw	68
PID 2748 wrote to memory of 2852	2748	javbrtw	68
PID 2748 wrote to memory of 2852	2748	javbrtw	68
PID 2748 wrote to memory of 2852	2748	javbrtw	68

C:\Users\Admin\AppData\Local\Temp\d2373be5062b13474f20bfde76ec2066480254ac28611bf4745ae0baa76dfdf1.exe
"C:\Users\Admin\AppData\Local\Temp\d2373be5062b13474f20bfde76ec2066480254ac28611bf4745ae0baa76dfdf1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Users\Admin\AppData\Local\Temp\d2373be5062b13474f20bfde76ec2066480254ac28611bf4745ae0baa76dfdf1.exe
  "C:\Users\Admin\AppData\Local\Temp\d2373be5062b13474f20bfde76ec2066480254ac28611bf4745ae0baa76dfdf1.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:4880

C:\Users\Admin\AppData\Roaming\javbrtw
C:\Users\Admin\AppData\Roaming\javbrtw
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Users\Admin\AppData\Roaming\javbrtw
  C:\Users\Admin\AppData\Roaming\javbrtw
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious behavior: MapViewOfSection
  PID:2852

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

C:\Users\Admin\AppData\Roaming\javbrtw

Filesize
301KB

MD5
9c63eb402b40d9df82920de517a1dbf5

SHA1
49a120eb17407e4b5763131c252d26b86bd4ce0b

SHA256
d2373be5062b13474f20bfde76ec2066480254ac28611bf4745ae0baa76dfdf1

SHA512
e03b301c17660b45c0b9c2d624b168595239ede08d9d07e9945eb0306bfd6e847e57e79ea64c92db39f2b2c8d2905c59b4d3f1b5d7e1b21fd5fd22679d508e68

Download Submit
C:\Users\Admin\AppData\Roaming\javbrtw

Filesize
301KB

MD5
9c63eb402b40d9df82920de517a1dbf5

SHA1
49a120eb17407e4b5763131c252d26b86bd4ce0b

SHA256
d2373be5062b13474f20bfde76ec2066480254ac28611bf4745ae0baa76dfdf1

SHA512
e03b301c17660b45c0b9c2d624b168595239ede08d9d07e9945eb0306bfd6e847e57e79ea64c92db39f2b2c8d2905c59b4d3f1b5d7e1b21fd5fd22679d508e68

Download Submit
C:\Users\Admin\AppData\Roaming\javbrtw

Filesize
301KB

MD5
9c63eb402b40d9df82920de517a1dbf5

SHA1
49a120eb17407e4b5763131c252d26b86bd4ce0b

SHA256
d2373be5062b13474f20bfde76ec2066480254ac28611bf4745ae0baa76dfdf1

SHA512
e03b301c17660b45c0b9c2d624b168595239ede08d9d07e9945eb0306bfd6e847e57e79ea64c92db39f2b2c8d2905c59b4d3f1b5d7e1b21fd5fd22679d508e68

Download Submit
memory/2108-216-0x0000000003350000-0x0000000003360000-memory.dmp

Filesize
64KB

Download
memory/2108-247-0x0000000003350000-0x0000000003360000-memory.dmp

Filesize
64KB

Download
memory/2108-246-0x0000000003350000-0x0000000003360000-memory.dmp

Filesize
64KB

Download
memory/2108-245-0x0000000003350000-0x0000000003360000-memory.dmp

Filesize
64KB

Download
memory/2108-244-0x0000000003350000-0x0000000003360000-memory.dmp

Filesize
64KB

Download
memory/2108-243-0x0000000003350000-0x0000000003360000-memory.dmp

Filesize
64KB

Download
memory/2108-242-0x0000000003350000-0x0000000003360000-memory.dmp

Filesize
64KB

Download
memory/2108-241-0x0000000002E20000-0x0000000002E30000-memory.dmp

Filesize
64KB

Download
memory/2108-240-0x0000000001570000-0x0000000001580000-memory.dmp

Filesize
64KB

Download
memory/2108-185-0x0000000001570000-0x0000000001580000-memory.dmp

Filesize
64KB

Download
memory/2108-215-0x0000000003350000-0x0000000003360000-memory.dmp

Filesize
64KB

Download
memory/2108-214-0x0000000003350000-0x0000000003360000-memory.dmp

Filesize
64KB

Download
memory/2108-213-0x0000000003350000-0x0000000003360000-memory.dmp

Filesize
64KB

Download
memory/2108-212-0x0000000002E60000-0x0000000002E70000-memory.dmp

Filesize
64KB

Download
memory/2108-211-0x0000000002E20000-0x0000000002E30000-memory.dmp

Filesize
64KB

Download
memory/2108-210-0x0000000001570000-0x0000000001580000-memory.dmp

Filesize
64KB

Download
memory/2108-195-0x0000000002E20000-0x0000000002E30000-memory.dmp

Filesize
64KB

Download
memory/2108-194-0x0000000002E20000-0x0000000002E30000-memory.dmp

Filesize
64KB

Download
memory/2108-193-0x0000000002E20000-0x0000000002E30000-memory.dmp

Filesize
64KB

Download
memory/2108-192-0x0000000002E20000-0x0000000002E30000-memory.dmp

Filesize
64KB

Download
memory/2108-190-0x0000000002E20000-0x0000000002E30000-memory.dmp

Filesize
64KB

Download
memory/2108-187-0x0000000002E20000-0x0000000002E30000-memory.dmp

Filesize
64KB

Download
memory/2744-143-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-136-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-147-0x0000000000570000-0x0000000000579000-memory.dmp

Filesize
36KB

Download
memory/2744-148-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-144-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-120-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-142-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-153-0x0000000000768000-0x0000000000778000-memory.dmp

Filesize
64KB

Download
memory/2744-121-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-141-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-122-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-123-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-124-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-125-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-126-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-127-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-128-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-146-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-129-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-131-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-130-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-132-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-133-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-134-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-135-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-145-0x0000000000768000-0x0000000000778000-memory.dmp

Filesize
64KB

Download
memory/2744-137-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-138-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-139-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-140-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-283-0x00000000006A7000-0x00000000006B7000-memory.dmp

Filesize
64KB

Download
memory/2852-278-0x0000000000402DD8-mapping.dmp

Download
memory/2852-310-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2852-311-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4880-160-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-180-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-181-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-182-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4880-179-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-178-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-177-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-176-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-175-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-174-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-173-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-172-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-171-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-170-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-169-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-168-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-167-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-166-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-165-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-164-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-163-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-162-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-161-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4880-159-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-158-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-157-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-156-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-155-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-154-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-152-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-151-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4880-150-0x0000000000402DD8-mapping.dmp

Download
memory/4880-149-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download