smokeloader | 2a6299dfcbcf3186ded295395c7028d651ff178df40d587b531b6bc25f2e3d3f

max time kernel
38s
max time network
39s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
15-11-2022 20:49

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General

Target

db79d6a667294c81210d9aa4d989f35832e75151863c2d216787028ae673da50.exe
Size

307KB
MD5

0abe50c1509136bf62d2184ab439e7a5
SHA1

722a7e2a0dd66f506ba93d24946b8bf504b100c0
SHA256

db79d6a667294c81210d9aa4d989f35832e75151863c2d216787028ae673da50
SHA512

0c232d1eaf68c0099fb499fcd40bb33cd604f0259a71b853c296e00cc468342de95548ccf61d9e904cef5d34fd94defbb43f844e9f50a51517c7c95ab66862c5
SSDEEP

6144:Gu0FGLnBOUaLPP7S9dW8dsgMF24raEn2E1a:Gu0wTBOU2Pj6EisgM/uUv

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3144-147-0x00000000009A0000-0x00000000009A9000-memory.dmp	family_smokeloader

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Executes dropped EXE 1 IoCs

Processes:

fbbviea

pid process

4648 fbbviea
Deletes itself 1 IoCs

Processes:

pid process

3028

pid	process
4648	fbbviea

pid	process
3028

Drops file in Windows directory 3 IoCs

Processes:

taskmgr.exe

description	ioc	process
File created	C:\Windows\rescache\_merged\1601268389\3877292338.pri	taskmgr.exe
File created	C:\Windows\rescache\_merged\2717123927\3950266016.pri
File created	C:\Windows\rescache\_merged\4183903823\810424605.pri	taskmgr.exe

Checks SCSI registry key(s) 3 TTPs 9 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

taskmgr.exefbbvieadb79d6a667294c81210d9aa4d989f35832e75151863c2d216787028ae673da50.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fbbviea
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fbbviea
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fbbviea
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	db79d6a667294c81210d9aa4d989f35832e75151863c2d216787028ae673da50.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000	taskmgr.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	db79d6a667294c81210d9aa4d989f35832e75151863c2d216787028ae673da50.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	db79d6a667294c81210d9aa4d989f35832e75151863c2d216787028ae673da50.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

taskmgr.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	taskmgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	taskmgr.exe

Modifies registry class 1 IoCs

Processes:

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance
Runs net.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

db79d6a667294c81210d9aa4d989f35832e75151863c2d216787028ae673da50.exetaskmgr.exe

pid	process
3144	db79d6a667294c81210d9aa4d989f35832e75151863c2d216787028ae673da50.exe
3144	db79d6a667294c81210d9aa4d989f35832e75151863c2d216787028ae673da50.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
2112	taskmgr.exe
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
2112	taskmgr.exe
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
2112	taskmgr.exe
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

3028

pid	process
3028

Suspicious behavior: LoadsDriver 64 IoCs

Processes:

pid	process
4684
5032
4384
4368
4376
4484
4396
4476
3864
4408
4456
4744
4360
4224
392
4188
4280
4080
4220
5044
5064
4752
4240
5068
4996
4404
3808
4024
4728
4724
4664
1872
2180
4736
4760
3148
4656
4772
4632
4568
4588
4616
4768
4532
4628
4528
504
60
4792
652
644
680
564
508
420
1028
1648
1284
1200
1208
1184
1516
1512
1504

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

db79d6a667294c81210d9aa4d989f35832e75151863c2d216787028ae673da50.exefbbviea

pid process

3144 db79d6a667294c81210d9aa4d989f35832e75151863c2d216787028ae673da50.exe
4648 fbbviea

Suspicious use of AdjustPrivilegeToken 37 IoCs

Processes:

taskmgr.exe

description	pid	process
Token: SeDebugPrivilege	2112	taskmgr.exe
Token: SeSystemProfilePrivilege	2112	taskmgr.exe
Token: SeCreateGlobalPrivilege	2112	taskmgr.exe
Token: SeShutdownPrivilege	3028
Token: SeCreatePagefilePrivilege	3028
Token: SeShutdownPrivilege	3028
Token: SeCreatePagefilePrivilege	3028
Token: 33	2112	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2112	taskmgr.exe
Token: SeShutdownPrivilege	3028
Token: SeCreatePagefilePrivilege	3028
Token: SeShutdownPrivilege	3028
Token: SeCreatePagefilePrivilege	3028
Token: SeShutdownPrivilege	3028
Token: SeCreatePagefilePrivilege	3028
Token: SeShutdownPrivilege	3028
Token: SeCreatePagefilePrivilege	3028
Token: SeShutdownPrivilege	3028
Token: SeCreatePagefilePrivilege	3028
Token: SeShutdownPrivilege	3028
Token: SeCreatePagefilePrivilege	3028
Token: SeShutdownPrivilege	3028
Token: SeCreatePagefilePrivilege	3028
Token: SeShutdownPrivilege	3028
Token: SeCreatePagefilePrivilege	3028
Token: SeShutdownPrivilege	3028
Token: SeCreatePagefilePrivilege	3028
Token: SeShutdownPrivilege	3028
Token: SeCreatePagefilePrivilege	3028
Token: SeShutdownPrivilege	3028
Token: SeCreatePagefilePrivilege	3028
Token: SeShutdownPrivilege	3028
Token: SeCreatePagefilePrivilege	3028
Token: SeShutdownPrivilege	3028
Token: SeCreatePagefilePrivilege	3028
Token: SeShutdownPrivilege	3028
Token: SeCreatePagefilePrivilege	3028

Suspicious use of FindShellTrayWindow 64 IoCs

Processes:

taskmgr.exe

pid	process
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028

Suspicious use of SendNotifyMessage 64 IoCs

Processes:

taskmgr.exe

pid	process
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
2112	taskmgr.exe
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
3028
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3028
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3028
3028
3028
3028
3028
3028
3028

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exenet.exe

description	pid	process	target process
PID 3028 wrote to memory of 4084	3028		cmd.exe
PID 3028 wrote to memory of 4084	3028		cmd.exe
PID 4084 wrote to memory of 4264	4084	cmd.exe	net.exe
PID 4084 wrote to memory of 4264	4084	cmd.exe	net.exe
PID 4264 wrote to memory of 5088	4264	net.exe	net1.exe
PID 4264 wrote to memory of 5088	4264	net.exe	net1.exe

C:\Users\Admin\AppData\Local\Temp\db79d6a667294c81210d9aa4d989f35832e75151863c2d216787028ae673da50.exe
"C:\Users\Admin\AppData\Local\Temp\db79d6a667294c81210d9aa4d989f35832e75151863c2d216787028ae673da50.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3144

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
1⤵
- Drops file in Windows directory
- Checks SCSI registry key(s)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2112

C:\Windows\system32\cmd.exe
"C:\Windows\system32\cmd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4084

C:\Windows\system32\net.exe
net user /add shit shit
2⤵
- Suspicious use of WriteProcessMemory
PID:4264

C:\Windows\system32\net1.exe
C:\Windows\system32\net1 user /add shit shit
3⤵
PID:5088

C:\Users\Admin\AppData\Roaming\fbbviea
C:\Users\Admin\AppData\Roaming\fbbviea
1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:4648

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\fbbviea
Filesize
307KB

MD5
0abe50c1509136bf62d2184ab439e7a5

SHA1
722a7e2a0dd66f506ba93d24946b8bf504b100c0

SHA256
db79d6a667294c81210d9aa4d989f35832e75151863c2d216787028ae673da50

SHA512
0c232d1eaf68c0099fb499fcd40bb33cd604f0259a71b853c296e00cc468342de95548ccf61d9e904cef5d34fd94defbb43f844e9f50a51517c7c95ab66862c5

Download Submit
C:\Users\Admin\AppData\Roaming\fbbviea
Filesize
307KB

MD5
0abe50c1509136bf62d2184ab439e7a5

SHA1
722a7e2a0dd66f506ba93d24946b8bf504b100c0

SHA256
db79d6a667294c81210d9aa4d989f35832e75151863c2d216787028ae673da50

SHA512
0c232d1eaf68c0099fb499fcd40bb33cd604f0259a71b853c296e00cc468342de95548ccf61d9e904cef5d34fd94defbb43f844e9f50a51517c7c95ab66862c5

Download Submit
memory/3144-119-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-120-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-121-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-122-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-123-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-124-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-125-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-127-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-128-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-129-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-130-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-131-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-132-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-133-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-135-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-134-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-136-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-137-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-138-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-139-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-140-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-142-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-143-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-141-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-144-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-146-0x0000000000850000-0x00000000008FE000-memory.dmp

Filesize
696KB

Download
memory/3144-148-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-149-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-150-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-152-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-154-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-153-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-151-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-145-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/3144-147-0x00000000009A0000-0x00000000009A9000-memory.dmp

Filesize
36KB

Download
memory/3144-155-0x0000000000400000-0x0000000000850000-memory.dmp

Filesize
4.3MB

Download
memory/3144-156-0x0000000000400000-0x0000000000850000-memory.dmp

Filesize
4.3MB

Download
memory/4084-157-0x0000000000000000-mapping.dmp

Download
memory/4264-158-0x0000000000000000-mapping.dmp

Download
memory/4648-161-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-162-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-163-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-164-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-166-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-167-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-165-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-170-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-171-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-172-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-173-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-175-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-176-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-177-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-179-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-180-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-183-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-186-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-190-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-193-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-192-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-191-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-189-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-188-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-187-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-185-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-197-0x0000000000400000-0x0000000000850000-memory.dmp

Filesize
4.3MB

Download
memory/4648-196-0x0000000000850000-0x00000000008FE000-memory.dmp

Filesize
696KB

Download
memory/4648-184-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-182-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-181-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-178-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

Download
memory/4648-174-0x0000000077E00000-0x0000000077F8E000-memory.dmp

Filesize
1.6MB

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memory/4648-198-0x0000000000400000-0x0000000000850000-memory.dmp

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4.3MB

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memory/5088-159-0x0000000000000000-mapping.dmp

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