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Analysis
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max time kernel
119s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
10/10/2024, 09:27
Static task
static1
Behavioral task
behavioral1
Sample
32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe
Resource
win10v2004-20241007-en
General
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Target
32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe
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Size
66KB
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MD5
f966cdd6b0637e32c40e164f6133d140
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SHA1
ecfd75fac125efded6a126ae40871ed8cb945093
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SHA256
32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5
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SHA512
3b39cf2441b2a88246fe4b4b6018c01496d63b83d68b2a7f946e8c72d363cb2ad283a685aaeaa51c40351d4c46be1fe5821a713e1cfe14c17a53a3bea62a66de
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SSDEEP
768:MDcpEBMLfQcubV5wGE96YyXDTLdEBBBBD:MDcfLfIbtEbyXfZy
Malware Config
Signatures
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Sets file to hidden 1 TTPs 1 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 2684 attrib.exe -
Deletes itself 1 IoCs
pid Process 2820 cmd.exe -
Executes dropped EXE 1 IoCs
pid Process 2536 rwmhost.exe -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\Debug\rwmhost.exe 32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe File opened for modification C:\Windows\Debug\rwmhost.exe attrib.exe File created C:\Windows\Debug\rwmhost.exe 32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rwmhost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2784 32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2784 wrote to memory of 2684 2784 32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe 30 PID 2784 wrote to memory of 2684 2784 32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe 30 PID 2784 wrote to memory of 2684 2784 32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe 30 PID 2784 wrote to memory of 2684 2784 32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe 30 PID 2784 wrote to memory of 2820 2784 32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe 33 PID 2784 wrote to memory of 2820 2784 32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe 33 PID 2784 wrote to memory of 2820 2784 32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe 33 PID 2784 wrote to memory of 2820 2784 32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe 33 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 2684 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe"C:\Users\Admin\AppData\Local\Temp\32c49d83c0a108e49ce48f2fd3e71a99e3b29adec5f0ac166e380c81e195aea5N.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2784 -
C:\Windows\SysWOW64\attrib.exeattrib +a +s +h +r C:\Windows\Debug\rwmhost.exe2⤵
- Sets file to hidden
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:2684
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\32C49D~1.EXE > nul2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2820
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C:\Windows\Debug\rwmhost.exeC:\Windows\Debug\rwmhost.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2536
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
66KB
MD58531128fdd35e9ddc9fcb24012162659
SHA18ad26b63a78d2bc489c4147da876201b812220d0
SHA256ac4afd7a1a5d776938de1092247ff99ea252b853c63dff9a9420c50b9503f45c
SHA51214cb9beb4b4055fd97217d190f16f71a90a60a81425a9a2fc809b72e128529e0cdbdea2ae591b645109d5a1f94296d19e555684a27f3ef8341b15257f785d324