Analysis
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max time kernel
300s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
22/09/2023, 04:16
Static task
static1
Behavioral task
behavioral1
Sample
40c624a1492477b0ed0e5c704447d95f728dfe41b7e857cd1c5018e8d3b3df65.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
40c624a1492477b0ed0e5c704447d95f728dfe41b7e857cd1c5018e8d3b3df65.exe
Resource
win10-20230831-en
General
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Target
40c624a1492477b0ed0e5c704447d95f728dfe41b7e857cd1c5018e8d3b3df65.exe
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Size
294KB
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MD5
a2d237a8dcda5047bb9e612825ebc499
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SHA1
d4f6d2707f5fc415ec85dcea2b318e1c3d97209c
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SHA256
40c624a1492477b0ed0e5c704447d95f728dfe41b7e857cd1c5018e8d3b3df65
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SHA512
8e789640a564baa078db349483844acc6f8004d1338bf61c643a9f48a358e75b382b98f991b95901a9a29cf0075962ee312bab8f26492dddd8c183d37d160f14
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SSDEEP
6144:ckdkZSl4JZNfVgQl6B0zTxjq7imHvFg8F:ckdkIOJZNfNl6GzTSPe8
Malware Config
Extracted
smokeloader
pub1
Extracted
smokeloader
2022
http://gudintas.at/tmp/
http://pik96.ru/tmp/
http://rosatiauto.com/tmp/
http://kingpirate.ru/tmp/
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Deletes itself 1 IoCs
pid Process 1232 Process not Found -
Executes dropped EXE 1 IoCs
pid Process 2520 wjwceub -
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI wjwceub Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI wjwceub Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 40c624a1492477b0ed0e5c704447d95f728dfe41b7e857cd1c5018e8d3b3df65.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 40c624a1492477b0ed0e5c704447d95f728dfe41b7e857cd1c5018e8d3b3df65.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 40c624a1492477b0ed0e5c704447d95f728dfe41b7e857cd1c5018e8d3b3df65.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI wjwceub -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1976 40c624a1492477b0ed0e5c704447d95f728dfe41b7e857cd1c5018e8d3b3df65.exe 1976 40c624a1492477b0ed0e5c704447d95f728dfe41b7e857cd1c5018e8d3b3df65.exe 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1232 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1976 40c624a1492477b0ed0e5c704447d95f728dfe41b7e857cd1c5018e8d3b3df65.exe 2520 wjwceub -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 1232 Process not Found -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2204 wrote to memory of 2520 2204 taskeng.exe 31 PID 2204 wrote to memory of 2520 2204 taskeng.exe 31 PID 2204 wrote to memory of 2520 2204 taskeng.exe 31 PID 2204 wrote to memory of 2520 2204 taskeng.exe 31 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\40c624a1492477b0ed0e5c704447d95f728dfe41b7e857cd1c5018e8d3b3df65.exe"C:\Users\Admin\AppData\Local\Temp\40c624a1492477b0ed0e5c704447d95f728dfe41b7e857cd1c5018e8d3b3df65.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1976
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C:\Windows\system32\taskeng.exetaskeng.exe {87102147-F08A-41D2-BA4F-08EBAA4C7441} S-1-5-21-3185155662-718608226-894467740-1000:YETUIZPU\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2204 -
C:\Users\Admin\AppData\Roaming\wjwceubC:\Users\Admin\AppData\Roaming\wjwceub2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2520
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
294KB
MD5a2d237a8dcda5047bb9e612825ebc499
SHA1d4f6d2707f5fc415ec85dcea2b318e1c3d97209c
SHA25640c624a1492477b0ed0e5c704447d95f728dfe41b7e857cd1c5018e8d3b3df65
SHA5128e789640a564baa078db349483844acc6f8004d1338bf61c643a9f48a358e75b382b98f991b95901a9a29cf0075962ee312bab8f26492dddd8c183d37d160f14
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Filesize
294KB
MD5a2d237a8dcda5047bb9e612825ebc499
SHA1d4f6d2707f5fc415ec85dcea2b318e1c3d97209c
SHA25640c624a1492477b0ed0e5c704447d95f728dfe41b7e857cd1c5018e8d3b3df65
SHA5128e789640a564baa078db349483844acc6f8004d1338bf61c643a9f48a358e75b382b98f991b95901a9a29cf0075962ee312bab8f26492dddd8c183d37d160f14