Analysis
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max time kernel
121s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20231023-en -
resource tags
arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system -
submitted
27-11-2023 15:20
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
acce555fbdd87f8a29011a5bfb7f0712.exe
Resource
win7-20231023-en
windows7-x64
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
acce555fbdd87f8a29011a5bfb7f0712.exe
Resource
win10v2004-20231020-en
windows10-2004-x64
16 signatures
150 seconds
General
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Target
acce555fbdd87f8a29011a5bfb7f0712.exe
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Size
291KB
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MD5
acce555fbdd87f8a29011a5bfb7f0712
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SHA1
7ad825635567da682163093572c60e68b31cc2ec
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SHA256
ba79a24332244508a959ad716795cc8a170483415d97dd2dd8adac384b333fb0
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SHA512
623c0c6447e936451dab9bc210572749f7595b096296abf09ca9b3b726cb7a873eb4b31add4c3d4a83d9972938c997a35adc28cf15801da600ce2b9477389090
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SSDEEP
3072:6Etsjz+r+Q3SRlLl4Nm5bzeoloMSdh8XDy/A5YdEqXxrOUzRQ:1qCr+9j+mNzRWMSdhADwEgHRQ
Score
10/10
Malware Config
Extracted
Family
smokeloader
Botnet
up4
Extracted
Family
smokeloader
Version
2020
C2
http://host-file-file0.com/
http://file-file-file1.com/
rc4.i32
rc4.i32
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Modifies Installed Components in the registry 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
Deletes itself 1 IoCs
pid Process 1204 Process not Found -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1680 set thread context of 2108 1680 acce555fbdd87f8a29011a5bfb7f0712.exe 28 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI acce555fbdd87f8a29011a5bfb7f0712.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI acce555fbdd87f8a29011a5bfb7f0712.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI acce555fbdd87f8a29011a5bfb7f0712.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2108 acce555fbdd87f8a29011a5bfb7f0712.exe 2108 acce555fbdd87f8a29011a5bfb7f0712.exe 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 1204 Process not Found 2676 explorer.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2108 acce555fbdd87f8a29011a5bfb7f0712.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 2676 explorer.exe Token: SeShutdownPrivilege 2676 explorer.exe Token: SeShutdownPrivilege 2676 explorer.exe Token: SeShutdownPrivilege 2676 explorer.exe Token: SeShutdownPrivilege 2676 explorer.exe Token: SeShutdownPrivilege 2676 explorer.exe Token: SeShutdownPrivilege 2676 explorer.exe Token: SeShutdownPrivilege 2676 explorer.exe Token: SeShutdownPrivilege 2676 explorer.exe Token: SeShutdownPrivilege 2676 explorer.exe Token: SeShutdownPrivilege 2676 explorer.exe Token: SeShutdownPrivilege 2676 explorer.exe -
Suspicious use of FindShellTrayWindow 29 IoCs
pid Process 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe -
Suspicious use of SendNotifyMessage 19 IoCs
pid Process 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe 2676 explorer.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1680 wrote to memory of 2108 1680 acce555fbdd87f8a29011a5bfb7f0712.exe 28 PID 1680 wrote to memory of 2108 1680 acce555fbdd87f8a29011a5bfb7f0712.exe 28 PID 1680 wrote to memory of 2108 1680 acce555fbdd87f8a29011a5bfb7f0712.exe 28 PID 1680 wrote to memory of 2108 1680 acce555fbdd87f8a29011a5bfb7f0712.exe 28 PID 1680 wrote to memory of 2108 1680 acce555fbdd87f8a29011a5bfb7f0712.exe 28 PID 1680 wrote to memory of 2108 1680 acce555fbdd87f8a29011a5bfb7f0712.exe 28 PID 1680 wrote to memory of 2108 1680 acce555fbdd87f8a29011a5bfb7f0712.exe 28 -
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\acce555fbdd87f8a29011a5bfb7f0712.exe"C:\Users\Admin\AppData\Local\Temp\acce555fbdd87f8a29011a5bfb7f0712.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1680 -
C:\Users\Admin\AppData\Local\Temp\acce555fbdd87f8a29011a5bfb7f0712.exe"C:\Users\Admin\AppData\Local\Temp\acce555fbdd87f8a29011a5bfb7f0712.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2108
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C:\Windows\explorer.exeexplorer.exe1⤵
- Modifies Installed Components in the registry
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2676