Analysis
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max time kernel
39s -
max time network
40s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
03/02/2023, 07:20
Static task
static1
Behavioral task
behavioral1
Sample
ReduceMemory/ReduceMemory.exe
Resource
win7-20220812-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
ReduceMemory/ReduceMemory.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral3
Sample
ReduceMemory/ReduceMemory_x64.exe
Resource
win7-20220812-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral4
Sample
ReduceMemory/ReduceMemory_x64.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
ReduceMemory/ReduceMemory_x64.exe
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Size
924KB
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MD5
8a7c9501419cf48e10e922389108f49b
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SHA1
e245780a7d462ed290aba299edd4ac669b416d7f
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SHA256
21ea7a4dbc85a2e87cd9f107dfd6da64fb7efff659c5fcaccbfef74494d21aad
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SHA512
7cf0c17ec4f570c0c584356e3953848f99324b651ce5c417de76587d1c9a92d1101c773250807c63e5b1439d230a173e17b6d436a6bf26510f289ae7dc800380
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SSDEEP
24576:72DW/xbeX2YIbmQsu3/PNLEQ2HySr7gqiy5:72EqXTQsW/PNIQOXgqi0
Score
10/10
Malware Config
Signatures
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 5024 created 4844 5024 svchost.exe 80 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 4844 ReduceMemory_x64.exe 4844 ReduceMemory_x64.exe 4844 ReduceMemory_x64.exe 4844 ReduceMemory_x64.exe 4844 ReduceMemory_x64.exe 4844 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2436 ReduceMemory_x64.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 4844 ReduceMemory_x64.exe Token: SeAssignPrimaryTokenPrivilege 4844 ReduceMemory_x64.exe Token: SeIncreaseQuotaPrivilege 4844 ReduceMemory_x64.exe Token: 0 4844 ReduceMemory_x64.exe Token: SeTcbPrivilege 5024 svchost.exe Token: SeTcbPrivilege 5024 svchost.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe -
Suspicious use of SendNotifyMessage 64 IoCs
pid Process 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe 2436 ReduceMemory_x64.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 5024 wrote to memory of 2436 5024 svchost.exe 82 PID 5024 wrote to memory of 2436 5024 svchost.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\ReduceMemory\ReduceMemory_x64.exe"C:\Users\Admin\AppData\Local\Temp\ReduceMemory\ReduceMemory_x64.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4844 -
C:\Users\Admin\AppData\Local\Temp\ReduceMemory\ReduceMemory_x64.exeC:\Users\Admin\AppData\Local\Temp\ReduceMemory\ReduceMemory_x64.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2436
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s seclogon1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5024