Analysis
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max time kernel
151s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
08/10/2023, 15:38
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.878f2e91c03e56ba9719c1c7848ec02bcb27b0da5cb0259f8b05ecd20d7142ae_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
NEAS.878f2e91c03e56ba9719c1c7848ec02bcb27b0da5cb0259f8b05ecd20d7142ae_JC.exe
Resource
win10v2004-20230915-en
General
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Target
NEAS.878f2e91c03e56ba9719c1c7848ec02bcb27b0da5cb0259f8b05ecd20d7142ae_JC.exe
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Size
286KB
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MD5
b9ea009ab46c07ed971498d131b67233
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SHA1
89a93ee4351aa170b00af86fc0ae718f0135bad9
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SHA256
878f2e91c03e56ba9719c1c7848ec02bcb27b0da5cb0259f8b05ecd20d7142ae
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SHA512
78f80535f4666b96f6f9cfb9879a618f5fd7ef61a8724d169fd924367c00b0287541d039f8437e6107db88d01ed4f613087e352e4e5e854179fdc83681badd8d
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SSDEEP
3072:2aSr5W1ev1Weqgob3IQgl1X6M1xOyy6vQbCQq97kIi4Z:FSrAYWtVb3Q1XPvy6vQbvqdri
Malware Config
Extracted
smokeloader
up3
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Executes dropped EXE 2 IoCs
pid Process 4404 tvjthju 3844 tvjthju -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1724 set thread context of 1128 1724 NEAS.878f2e91c03e56ba9719c1c7848ec02bcb27b0da5cb0259f8b05ecd20d7142ae_JC.exe 85 PID 4404 set thread context of 3844 4404 tvjthju 104 -
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 NEAS.878f2e91c03e56ba9719c1c7848ec02bcb27b0da5cb0259f8b05ecd20d7142ae_JC.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI NEAS.878f2e91c03e56ba9719c1c7848ec02bcb27b0da5cb0259f8b05ecd20d7142ae_JC.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI tvjthju Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI tvjthju Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI tvjthju Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI NEAS.878f2e91c03e56ba9719c1c7848ec02bcb27b0da5cb0259f8b05ecd20d7142ae_JC.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1128 NEAS.878f2e91c03e56ba9719c1c7848ec02bcb27b0da5cb0259f8b05ecd20d7142ae_JC.exe 1128 NEAS.878f2e91c03e56ba9719c1c7848ec02bcb27b0da5cb0259f8b05ecd20d7142ae_JC.exe 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found 3124 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3124 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1128 NEAS.878f2e91c03e56ba9719c1c7848ec02bcb27b0da5cb0259f8b05ecd20d7142ae_JC.exe 3844 tvjthju -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeShutdownPrivilege 3124 Process not Found Token: SeCreatePagefilePrivilege 3124 Process not Found Token: SeShutdownPrivilege 3124 Process not Found Token: SeCreatePagefilePrivilege 3124 Process not Found Token: SeShutdownPrivilege 3124 Process not Found Token: SeCreatePagefilePrivilege 3124 Process not Found Token: SeShutdownPrivilege 3124 Process not Found Token: SeCreatePagefilePrivilege 3124 Process not Found Token: SeShutdownPrivilege 3124 Process not Found Token: SeCreatePagefilePrivilege 3124 Process not Found -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3124 Process not Found -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1724 wrote to memory of 1128 1724 NEAS.878f2e91c03e56ba9719c1c7848ec02bcb27b0da5cb0259f8b05ecd20d7142ae_JC.exe 85 PID 1724 wrote to memory of 1128 1724 NEAS.878f2e91c03e56ba9719c1c7848ec02bcb27b0da5cb0259f8b05ecd20d7142ae_JC.exe 85 PID 1724 wrote to memory of 1128 1724 NEAS.878f2e91c03e56ba9719c1c7848ec02bcb27b0da5cb0259f8b05ecd20d7142ae_JC.exe 85 PID 1724 wrote to memory of 1128 1724 NEAS.878f2e91c03e56ba9719c1c7848ec02bcb27b0da5cb0259f8b05ecd20d7142ae_JC.exe 85 PID 1724 wrote to memory of 1128 1724 NEAS.878f2e91c03e56ba9719c1c7848ec02bcb27b0da5cb0259f8b05ecd20d7142ae_JC.exe 85 PID 1724 wrote to memory of 1128 1724 NEAS.878f2e91c03e56ba9719c1c7848ec02bcb27b0da5cb0259f8b05ecd20d7142ae_JC.exe 85 PID 4404 wrote to memory of 3844 4404 tvjthju 104 PID 4404 wrote to memory of 3844 4404 tvjthju 104 PID 4404 wrote to memory of 3844 4404 tvjthju 104 PID 4404 wrote to memory of 3844 4404 tvjthju 104 PID 4404 wrote to memory of 3844 4404 tvjthju 104 PID 4404 wrote to memory of 3844 4404 tvjthju 104 -
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\NEAS.878f2e91c03e56ba9719c1c7848ec02bcb27b0da5cb0259f8b05ecd20d7142ae_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.878f2e91c03e56ba9719c1c7848ec02bcb27b0da5cb0259f8b05ecd20d7142ae_JC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1724 -
C:\Users\Admin\AppData\Local\Temp\NEAS.878f2e91c03e56ba9719c1c7848ec02bcb27b0da5cb0259f8b05ecd20d7142ae_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.878f2e91c03e56ba9719c1c7848ec02bcb27b0da5cb0259f8b05ecd20d7142ae_JC.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1128
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C:\Users\Admin\AppData\Roaming\tvjthjuC:\Users\Admin\AppData\Roaming\tvjthju1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4404 -
C:\Users\Admin\AppData\Roaming\tvjthjuC:\Users\Admin\AppData\Roaming\tvjthju2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:3844
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
286KB
MD5b9ea009ab46c07ed971498d131b67233
SHA189a93ee4351aa170b00af86fc0ae718f0135bad9
SHA256878f2e91c03e56ba9719c1c7848ec02bcb27b0da5cb0259f8b05ecd20d7142ae
SHA51278f80535f4666b96f6f9cfb9879a618f5fd7ef61a8724d169fd924367c00b0287541d039f8437e6107db88d01ed4f613087e352e4e5e854179fdc83681badd8d
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Filesize
286KB
MD5b9ea009ab46c07ed971498d131b67233
SHA189a93ee4351aa170b00af86fc0ae718f0135bad9
SHA256878f2e91c03e56ba9719c1c7848ec02bcb27b0da5cb0259f8b05ecd20d7142ae
SHA51278f80535f4666b96f6f9cfb9879a618f5fd7ef61a8724d169fd924367c00b0287541d039f8437e6107db88d01ed4f613087e352e4e5e854179fdc83681badd8d
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Filesize
286KB
MD5b9ea009ab46c07ed971498d131b67233
SHA189a93ee4351aa170b00af86fc0ae718f0135bad9
SHA256878f2e91c03e56ba9719c1c7848ec02bcb27b0da5cb0259f8b05ecd20d7142ae
SHA51278f80535f4666b96f6f9cfb9879a618f5fd7ef61a8724d169fd924367c00b0287541d039f8437e6107db88d01ed4f613087e352e4e5e854179fdc83681badd8d