Analysis
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max time kernel
139s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
23/11/2023, 07:56
Static task
static1
Behavioral task
behavioral1
Sample
31ad769e886e84be8ba35cb076ef523d.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
31ad769e886e84be8ba35cb076ef523d.exe
Resource
win10v2004-20231023-en
General
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Target
31ad769e886e84be8ba35cb076ef523d.exe
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Size
2.1MB
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MD5
31ad769e886e84be8ba35cb076ef523d
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SHA1
ca20f2848ce8824c769fe5e9b823a87ee7c6d11d
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SHA256
0860dafaa3db5f440b61cea445c066dcbad2285512eb2962236ad1a8366bf527
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SHA512
7bd4fa4ac478c7db6f45c2c91cc4d2b94e404c2608b905361e1c12270074f0a61ddf76a180f7498cdd6e3e03b37025cca729b5bab4eb2bc13f24b21d57eae503
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SSDEEP
49152:Pe2YDJkISrSzXcW5FLEg95FnkLl6XVQsZL2UvMSvWNEh+thP4Gzg:PxEkISrmXcA7p8l6GKDTIo+tJS
Malware Config
Signatures
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NetSupport
NetSupport is a remote access tool sold as a legitimate system administration software.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation 31ad769e886e84be8ba35cb076ef523d.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\smssc.lnk 31ad769e886e84be8ba35cb076ef523d.exe -
Executes dropped EXE 1 IoCs
pid Process 1728 smssc.exe -
Loads dropped DLL 6 IoCs
pid Process 1728 smssc.exe 1728 smssc.exe 1728 smssc.exe 1728 smssc.exe 1728 smssc.exe 1728 smssc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeSecurityPrivilege 1728 smssc.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1728 smssc.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4488 wrote to memory of 1728 4488 31ad769e886e84be8ba35cb076ef523d.exe 87 PID 4488 wrote to memory of 1728 4488 31ad769e886e84be8ba35cb076ef523d.exe 87 PID 4488 wrote to memory of 1728 4488 31ad769e886e84be8ba35cb076ef523d.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\31ad769e886e84be8ba35cb076ef523d.exe"C:\Users\Admin\AppData\Local\Temp\31ad769e886e84be8ba35cb076ef523d.exe"1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:4488 -
C:\Users\Admin\AppData\Roaming\smssc\smssc.exe"C:\Users\Admin\AppData\Roaming\smssc\smssc.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1728
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
320KB
MD52d3b207c8a48148296156e5725426c7f
SHA1ad464eb7cf5c19c8a443ab5b590440b32dbc618f
SHA256edfe2b923bfb5d1088de1611401f5c35ece91581e71503a5631647ac51f7d796
SHA51255c791705993b83c9b26a8dbd545d7e149c42ee358ecece638128ee271e85b4fdbfd6fbae61d13533bf39ae752144e2cc2c5edcda955f18c37a785084db0860c
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Filesize
320KB
MD52d3b207c8a48148296156e5725426c7f
SHA1ad464eb7cf5c19c8a443ab5b590440b32dbc618f
SHA256edfe2b923bfb5d1088de1611401f5c35ece91581e71503a5631647ac51f7d796
SHA51255c791705993b83c9b26a8dbd545d7e149c42ee358ecece638128ee271e85b4fdbfd6fbae61d13533bf39ae752144e2cc2c5edcda955f18c37a785084db0860c
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Filesize
755KB
MD50e37fbfa79d349d672456923ec5fbbe3
SHA14e880fc7625ccf8d9ca799d5b94ce2b1e7597335
SHA2568793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18
SHA5122bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630
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Filesize
257B
MD57067af414215ee4c50bfcd3ea43c84f0
SHA1c331d410672477844a4ca87f43a14e643c863af9
SHA2562050cc232710a2ea6a207bc78d1eac66a4042f2ee701cdfeee5de3ddcdc31d12
SHA51217b888087192bcea9f56128d0950423b1807e294d1c4f953d1bf0f5bd08e5f8e35afeee584ebf9233bfc44e0723db3661911415798159ac118c8a42aaf0b902f
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Filesize
18KB
MD5a0b9388c5f18e27266a31f8c5765b263
SHA1906f7e94f841d464d4da144f7c858fa2160e36db
SHA256313117e723dda6ea3911faacd23f4405003fb651c73de8deff10b9eb5b4a058a
SHA5126051a0b22af135b4433474dc7c6f53fb1c06844d0a30ed596a3c6c80644df511b023e140c4878867fa2578c79695fac2eb303aea87c0ecfc15a4ad264bd0b3cd
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Filesize
3.6MB
MD500587238d16012152c2e951a087f2cc9
SHA1c4e27a43075ce993ff6bb033360af386b2fc58ff
SHA25663aa18c32af7144156e7ee2d5ba0fa4f5872a7deb56894f6f96505cbc9afe6f8
SHA512637950a1f78d3f3d02c30a49a16e91cf3dfccc59104041876789bd7fdf9224d187209547766b91404c67319e13d1606da7cec397315495962cbf3e2ccd5f1226
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Filesize
3.6MB
MD500587238d16012152c2e951a087f2cc9
SHA1c4e27a43075ce993ff6bb033360af386b2fc58ff
SHA25663aa18c32af7144156e7ee2d5ba0fa4f5872a7deb56894f6f96505cbc9afe6f8
SHA512637950a1f78d3f3d02c30a49a16e91cf3dfccc59104041876789bd7fdf9224d187209547766b91404c67319e13d1606da7cec397315495962cbf3e2ccd5f1226
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Filesize
662B
MD5d03d9e00e1aec20e5a88dff73c5ce802
SHA1c92d76935f7e88db70cc04872da43dae159958d5
SHA25674ee2c5aa4f958821f00fdc9d2b7ae045eb431e9b18f2a518c8b57e68e46fc68
SHA51239c077e2334a0b16962d85ee2aab1eb5cc72015b8a5dc3ffb35356c6be73e6b49730d198699c6103a35d6b598f9a2f4d5ca99084213d001d888509292a714928
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Filesize
755KB
MD50e37fbfa79d349d672456923ec5fbbe3
SHA14e880fc7625ccf8d9ca799d5b94ce2b1e7597335
SHA2568793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18
SHA5122bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630
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Filesize
755KB
MD50e37fbfa79d349d672456923ec5fbbe3
SHA14e880fc7625ccf8d9ca799d5b94ce2b1e7597335
SHA2568793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18
SHA5122bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630
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Filesize
32KB
MD5dcde2248d19c778a41aa165866dd52d0
SHA17ec84be84fe23f0b0093b647538737e1f19ebb03
SHA2569074fd40ea6a0caa892e6361a6a4e834c2e51e6e98d1ffcda7a9a537594a6917
SHA512c5d170d420f1aeb9bcd606a282af6e8da04ae45c83d07faaacb73ff2e27f4188b09446ce508620124f6d9b447a40a23620cfb39b79f02b04bb9e513866352166
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Filesize
32KB
MD5dcde2248d19c778a41aa165866dd52d0
SHA17ec84be84fe23f0b0093b647538737e1f19ebb03
SHA2569074fd40ea6a0caa892e6361a6a4e834c2e51e6e98d1ffcda7a9a537594a6917
SHA512c5d170d420f1aeb9bcd606a282af6e8da04ae45c83d07faaacb73ff2e27f4188b09446ce508620124f6d9b447a40a23620cfb39b79f02b04bb9e513866352166
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Filesize
18KB
MD5a0b9388c5f18e27266a31f8c5765b263
SHA1906f7e94f841d464d4da144f7c858fa2160e36db
SHA256313117e723dda6ea3911faacd23f4405003fb651c73de8deff10b9eb5b4a058a
SHA5126051a0b22af135b4433474dc7c6f53fb1c06844d0a30ed596a3c6c80644df511b023e140c4878867fa2578c79695fac2eb303aea87c0ecfc15a4ad264bd0b3cd
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Filesize
103KB
MD58d9709ff7d9c83bd376e01912c734f0a
SHA1e3c92713ce1d7eaa5e2b1fabeb06cdc0bb499294
SHA25649a568f8ac11173e3a0d76cff6bc1d4b9bdf2c35c6d8570177422f142dcfdbe3
SHA512042ad89ed2e15671f5df67766d11e1fa7ada8241d4513e7c8f0d77b983505d63ebfb39fefa590a2712b77d7024c04445390a8bf4999648f83dbab6b0f04eb2ee
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Filesize
103KB
MD58d9709ff7d9c83bd376e01912c734f0a
SHA1e3c92713ce1d7eaa5e2b1fabeb06cdc0bb499294
SHA25649a568f8ac11173e3a0d76cff6bc1d4b9bdf2c35c6d8570177422f142dcfdbe3
SHA512042ad89ed2e15671f5df67766d11e1fa7ada8241d4513e7c8f0d77b983505d63ebfb39fefa590a2712b77d7024c04445390a8bf4999648f83dbab6b0f04eb2ee
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Filesize
103KB
MD58d9709ff7d9c83bd376e01912c734f0a
SHA1e3c92713ce1d7eaa5e2b1fabeb06cdc0bb499294
SHA25649a568f8ac11173e3a0d76cff6bc1d4b9bdf2c35c6d8570177422f142dcfdbe3
SHA512042ad89ed2e15671f5df67766d11e1fa7ada8241d4513e7c8f0d77b983505d63ebfb39fefa590a2712b77d7024c04445390a8bf4999648f83dbab6b0f04eb2ee