smokeloader | fbc30e0aae1d6fac1226f8bfa45fba45dcf262445c81a770a69ded680e5431ee

Analysis

max time kernel
150s
max time network
126s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
12/11/2023, 18:45

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General

Target

NEAS.fbc30e0aae1d6fac1226f8bfa45fba45dcf262445c81a770a69ded680e5431ee.exe
Size

253KB
MD5

b8a282944da80ceba706a7997cb4cebb
SHA1

ea1a8f3d0d12933449c8315268e6cac7ce575b71
SHA256

fbc30e0aae1d6fac1226f8bfa45fba45dcf262445c81a770a69ded680e5431ee
SHA512

e9e8d6607943b1ec1df02892118a0b9336da8b7f0d1a9bb75e093fe6376eed4f1559c0e63b701e9a1785975d791667eb48e5e4bd1341c55ae74ffe0dc66a8406
SSDEEP

3072:wFR/d9JnGLn/tFCmJXppI5nXYnDFpJi0NbTjaJfKeAljoq5X1YblV1L:qR/d9tGLnlFJJf+noR7DNPjGkf1YDh

Score

10^/10

smokeloader pub1 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2020

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32

Signatures

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

Deletes itself 1 IoCs

pid	Process
1380	Process not Found

Executes dropped EXE 2 IoCs

pid	Process
2256	tgijahg
2712	tgijahg

Loads dropped DLL 1 IoCs

pid	Process
2256	tgijahg

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1580 set thread context of 1532	1580	NEAS.fbc30e0aae1d6fac1226f8bfa45fba45dcf262445c81a770a69ded680e5431ee.exe	19
PID 2256 set thread context of 2712	2256	tgijahg	33

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	NEAS.fbc30e0aae1d6fac1226f8bfa45fba45dcf262445c81a770a69ded680e5431ee.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	NEAS.fbc30e0aae1d6fac1226f8bfa45fba45dcf262445c81a770a69ded680e5431ee.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	NEAS.fbc30e0aae1d6fac1226f8bfa45fba45dcf262445c81a770a69ded680e5431ee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	tgijahg
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	tgijahg
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	tgijahg

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1532	NEAS.fbc30e0aae1d6fac1226f8bfa45fba45dcf262445c81a770a69ded680e5431ee.exe
1532	NEAS.fbc30e0aae1d6fac1226f8bfa45fba45dcf262445c81a770a69ded680e5431ee.exe
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
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1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
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1380	Process not Found
1380	Process not Found
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1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
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1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
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1380	Process not Found
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1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found
1380	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1380	Process not Found

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1532	NEAS.fbc30e0aae1d6fac1226f8bfa45fba45dcf262445c81a770a69ded680e5431ee.exe
2712	tgijahg

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1380	Process not Found
1380	Process not Found

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1380	Process not Found
1380	Process not Found

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1580 wrote to memory of 1532	1580	NEAS.fbc30e0aae1d6fac1226f8bfa45fba45dcf262445c81a770a69ded680e5431ee.exe	19
PID 1580 wrote to memory of 1532	1580	NEAS.fbc30e0aae1d6fac1226f8bfa45fba45dcf262445c81a770a69ded680e5431ee.exe	19
PID 1580 wrote to memory of 1532	1580	NEAS.fbc30e0aae1d6fac1226f8bfa45fba45dcf262445c81a770a69ded680e5431ee.exe	19
PID 1580 wrote to memory of 1532	1580	NEAS.fbc30e0aae1d6fac1226f8bfa45fba45dcf262445c81a770a69ded680e5431ee.exe	19
PID 1580 wrote to memory of 1532	1580	NEAS.fbc30e0aae1d6fac1226f8bfa45fba45dcf262445c81a770a69ded680e5431ee.exe	19
PID 1580 wrote to memory of 1532	1580	NEAS.fbc30e0aae1d6fac1226f8bfa45fba45dcf262445c81a770a69ded680e5431ee.exe	19
PID 1580 wrote to memory of 1532	1580	NEAS.fbc30e0aae1d6fac1226f8bfa45fba45dcf262445c81a770a69ded680e5431ee.exe	19
PID 2668 wrote to memory of 2256	2668	taskeng.exe	32
PID 2668 wrote to memory of 2256	2668	taskeng.exe	32
PID 2668 wrote to memory of 2256	2668	taskeng.exe	32
PID 2668 wrote to memory of 2256	2668	taskeng.exe	32
PID 2256 wrote to memory of 2712	2256	tgijahg	33
PID 2256 wrote to memory of 2712	2256	tgijahg	33
PID 2256 wrote to memory of 2712	2256	tgijahg	33
PID 2256 wrote to memory of 2712	2256	tgijahg	33
PID 2256 wrote to memory of 2712	2256	tgijahg	33
PID 2256 wrote to memory of 2712	2256	tgijahg	33
PID 2256 wrote to memory of 2712	2256	tgijahg	33

C:\Users\Admin\AppData\Local\Temp\NEAS.fbc30e0aae1d6fac1226f8bfa45fba45dcf262445c81a770a69ded680e5431ee.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.fbc30e0aae1d6fac1226f8bfa45fba45dcf262445c81a770a69ded680e5431ee.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1580
- C:\Users\Admin\AppData\Local\Temp\NEAS.fbc30e0aae1d6fac1226f8bfa45fba45dcf262445c81a770a69ded680e5431ee.exe
  "C:\Users\Admin\AppData\Local\Temp\NEAS.fbc30e0aae1d6fac1226f8bfa45fba45dcf262445c81a770a69ded680e5431ee.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:1532

C:\Windows\system32\taskeng.exe
taskeng.exe {83BCFD38-0F28-48BC-8E35-8E5339B04EE4} S-1-5-21-2085049433-1067986815-1244098655-1000:AHLBRYJO\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Users\Admin\AppData\Roaming\tgijahg
  C:\Users\Admin\AppData\Roaming\tgijahg
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2256
- - C:\Users\Admin\AppData\Roaming\tgijahg
    C:\Users\Admin\AppData\Roaming\tgijahg
    3⤵
    - Executes dropped EXE
    - Checks SCSI registry key(s)
    - Suspicious behavior: MapViewOfSection
    PID:2712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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\tgijahg

Filesize
253KB

MD5
b8a282944da80ceba706a7997cb4cebb

SHA1
ea1a8f3d0d12933449c8315268e6cac7ce575b71

SHA256
fbc30e0aae1d6fac1226f8bfa45fba45dcf262445c81a770a69ded680e5431ee

SHA512
e9e8d6607943b1ec1df02892118a0b9336da8b7f0d1a9bb75e093fe6376eed4f1559c0e63b701e9a1785975d791667eb48e5e4bd1341c55ae74ffe0dc66a8406

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

Filesize
253KB

MD5
b8a282944da80ceba706a7997cb4cebb

SHA1
ea1a8f3d0d12933449c8315268e6cac7ce575b71

SHA256
fbc30e0aae1d6fac1226f8bfa45fba45dcf262445c81a770a69ded680e5431ee

SHA512
e9e8d6607943b1ec1df02892118a0b9336da8b7f0d1a9bb75e093fe6376eed4f1559c0e63b701e9a1785975d791667eb48e5e4bd1341c55ae74ffe0dc66a8406

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

Filesize
253KB

MD5
b8a282944da80ceba706a7997cb4cebb

SHA1
ea1a8f3d0d12933449c8315268e6cac7ce575b71

SHA256
fbc30e0aae1d6fac1226f8bfa45fba45dcf262445c81a770a69ded680e5431ee

SHA512
e9e8d6607943b1ec1df02892118a0b9336da8b7f0d1a9bb75e093fe6376eed4f1559c0e63b701e9a1785975d791667eb48e5e4bd1341c55ae74ffe0dc66a8406

Download Submit
\Users\Admin\AppData\Roaming\tgijahg

Filesize
253KB

MD5
b8a282944da80ceba706a7997cb4cebb

SHA1
ea1a8f3d0d12933449c8315268e6cac7ce575b71

SHA256
fbc30e0aae1d6fac1226f8bfa45fba45dcf262445c81a770a69ded680e5431ee

SHA512
e9e8d6607943b1ec1df02892118a0b9336da8b7f0d1a9bb75e093fe6376eed4f1559c0e63b701e9a1785975d791667eb48e5e4bd1341c55ae74ffe0dc66a8406

Download Submit
memory/1380-7-0x0000000002A60000-0x0000000002A76000-memory.dmp

Filesize
88KB

Download
memory/1380-26-0x0000000003CF0000-0x0000000003D06000-memory.dmp

Filesize
88KB

Download
memory/1532-8-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1532-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1532-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1532-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1580-4-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/1580-5-0x00000000005F0000-0x00000000006F0000-memory.dmp

Filesize
1024KB

Download
memory/2256-20-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/2712-25-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2712-24-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2712-27-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download