smokeloader | 08c809ed20f14ce51e1b00217f3cc24d876942f40e34c679cd0e6da55dacb52a

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
04/10/2022, 23:58

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

08c809ed20f14ce51e1b00217f3cc24d876942f40e34c679cd0e6da55dacb52a.exe
Size

265KB
MD5

1cb4d0e451b51966afbebd0fa56d3c57
SHA1

499f395fefc03db77e4028982fdad0299ede7d0e
SHA256

08c809ed20f14ce51e1b00217f3cc24d876942f40e34c679cd0e6da55dacb52a
SHA512

626c7a40ca42869d4a02614f54eda7db882c7a1661883cdc73bbe99417e15b8ffe03a4af1d665a279a2a8ac0e4d2387692f05f30ad8208b40afc40f17af0b4a3
SSDEEP

3072:TXhuDKXNLQwKL5AFdSU5ELay+vXmgYmS/3ETRuAS1WVb4Wrxpzbgqru9eLxrhpZO:L8mLaAFuDxQS/30a1c4uzbgwusllwVf

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 7 IoCs

resource	yara_rule
behavioral1/memory/4992-144-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4992-145-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/4992-159-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4992-176-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/2852-208-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/5108-215-0x00000000004B0000-0x00000000004B9000-memory.dmp	family_smokeloader
behavioral1/memory/2852-241-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Executes dropped EXE 2 IoCs

pid	Process
5108	csugrww
2852	csugrww

Deletes itself 1 IoCs

pid	Process
2444	Process not Found

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2684 set thread context of 4992	2684	08c809ed20f14ce51e1b00217f3cc24d876942f40e34c679cd0e6da55dacb52a.exe	66
PID 5108 set thread context of 2852	5108	csugrww	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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	08c809ed20f14ce51e1b00217f3cc24d876942f40e34c679cd0e6da55dacb52a.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	08c809ed20f14ce51e1b00217f3cc24d876942f40e34c679cd0e6da55dacb52a.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	08c809ed20f14ce51e1b00217f3cc24d876942f40e34c679cd0e6da55dacb52a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	csugrww
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	csugrww
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	csugrww

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4992	08c809ed20f14ce51e1b00217f3cc24d876942f40e34c679cd0e6da55dacb52a.exe
4992	08c809ed20f14ce51e1b00217f3cc24d876942f40e34c679cd0e6da55dacb52a.exe
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found
2444	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2444	Process not Found

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4992	08c809ed20f14ce51e1b00217f3cc24d876942f40e34c679cd0e6da55dacb52a.exe
2852	csugrww

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2444	Process not Found
Token: SeCreatePagefilePrivilege	2444	Process not Found

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 4992	2684	08c809ed20f14ce51e1b00217f3cc24d876942f40e34c679cd0e6da55dacb52a.exe	66
PID 2684 wrote to memory of 4992	2684	08c809ed20f14ce51e1b00217f3cc24d876942f40e34c679cd0e6da55dacb52a.exe	66
PID 2684 wrote to memory of 4992	2684	08c809ed20f14ce51e1b00217f3cc24d876942f40e34c679cd0e6da55dacb52a.exe	66
PID 2684 wrote to memory of 4992	2684	08c809ed20f14ce51e1b00217f3cc24d876942f40e34c679cd0e6da55dacb52a.exe	66
PID 2684 wrote to memory of 4992	2684	08c809ed20f14ce51e1b00217f3cc24d876942f40e34c679cd0e6da55dacb52a.exe	66
PID 2684 wrote to memory of 4992	2684	08c809ed20f14ce51e1b00217f3cc24d876942f40e34c679cd0e6da55dacb52a.exe	66
PID 5108 wrote to memory of 2852	5108	csugrww	68
PID 5108 wrote to memory of 2852	5108	csugrww	68
PID 5108 wrote to memory of 2852	5108	csugrww	68
PID 5108 wrote to memory of 2852	5108	csugrww	68
PID 5108 wrote to memory of 2852	5108	csugrww	68
PID 5108 wrote to memory of 2852	5108	csugrww	68

C:\Users\Admin\AppData\Local\Temp\08c809ed20f14ce51e1b00217f3cc24d876942f40e34c679cd0e6da55dacb52a.exe
"C:\Users\Admin\AppData\Local\Temp\08c809ed20f14ce51e1b00217f3cc24d876942f40e34c679cd0e6da55dacb52a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Users\Admin\AppData\Local\Temp\08c809ed20f14ce51e1b00217f3cc24d876942f40e34c679cd0e6da55dacb52a.exe
  "C:\Users\Admin\AppData\Local\Temp\08c809ed20f14ce51e1b00217f3cc24d876942f40e34c679cd0e6da55dacb52a.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:4992

C:\Users\Admin\AppData\Roaming\csugrww
C:\Users\Admin\AppData\Roaming\csugrww
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5108
- C:\Users\Admin\AppData\Roaming\csugrww
  C:\Users\Admin\AppData\Roaming\csugrww
  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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\csugrww

Filesize
265KB

MD5
1cb4d0e451b51966afbebd0fa56d3c57

SHA1
499f395fefc03db77e4028982fdad0299ede7d0e

SHA256
08c809ed20f14ce51e1b00217f3cc24d876942f40e34c679cd0e6da55dacb52a

SHA512
626c7a40ca42869d4a02614f54eda7db882c7a1661883cdc73bbe99417e15b8ffe03a4af1d665a279a2a8ac0e4d2387692f05f30ad8208b40afc40f17af0b4a3

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

Filesize
265KB

MD5
1cb4d0e451b51966afbebd0fa56d3c57

SHA1
499f395fefc03db77e4028982fdad0299ede7d0e

SHA256
08c809ed20f14ce51e1b00217f3cc24d876942f40e34c679cd0e6da55dacb52a

SHA512
626c7a40ca42869d4a02614f54eda7db882c7a1661883cdc73bbe99417e15b8ffe03a4af1d665a279a2a8ac0e4d2387692f05f30ad8208b40afc40f17af0b4a3

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

Filesize
265KB

MD5
1cb4d0e451b51966afbebd0fa56d3c57

SHA1
499f395fefc03db77e4028982fdad0299ede7d0e

SHA256
08c809ed20f14ce51e1b00217f3cc24d876942f40e34c679cd0e6da55dacb52a

SHA512
626c7a40ca42869d4a02614f54eda7db882c7a1661883cdc73bbe99417e15b8ffe03a4af1d665a279a2a8ac0e4d2387692f05f30ad8208b40afc40f17af0b4a3

Download Submit
memory/2684-115-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2684-116-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2684-117-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2684-118-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2684-119-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2684-120-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2684-121-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2684-122-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2684-123-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2684-125-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2684-126-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2684-127-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2684-128-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2684-129-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2684-130-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2684-131-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2684-132-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2684-133-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2684-134-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2684-135-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2684-136-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2684-124-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2684-138-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2684-139-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2684-140-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2684-141-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2684-142-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2684-143-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2852-241-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4992-148-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-167-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-147-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-146-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-149-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-150-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-151-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-152-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-153-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-154-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-155-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-156-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-157-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-158-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-159-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4992-160-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-161-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-163-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-164-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-165-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-166-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-168-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-169-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-162-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-170-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-171-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-172-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-174-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-173-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-175-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/4992-176-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4992-144-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/5108-179-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/5108-180-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/5108-181-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/5108-182-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/5108-183-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/5108-213-0x000000000064B000-0x000000000065C000-memory.dmp

Filesize
68KB

Download
memory/5108-215-0x00000000004B0000-0x00000000004B9000-memory.dmp

Filesize
36KB

Download
memory/5108-178-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download