Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
05/08/2026, 04:38
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
inst_smt013.exe
Resource
win10v2004-20260513-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
inst_smt013.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target inst_smt013.exe
- Size 55.2MB
- Sample260805-e9dh7sde74
- SHA256 1de06a93d69aa1fcdc2f0f32cf0ec3a776d9316e32a7e379d90e09e19d808c38
- MD5 12c68f9ee5d56266b3791e2a8bca5e24
- SHA1 7924d02e10a79bf7609a4dadbc2bebc4f4a430da
- SHA512 b17076949049319de965115535e4f5e7f1cf2a79aa2ac68ae7bfe9f7f6feece9cb559056fc11cb2a4a06ea114aa783897d961b09c162929dc8e05aa130856ad2
- SSDEEP 196608:4nnmbV2qWwRNTc+u1aZfO8pP+QDhb6Z/LzEnSQ5Ps6j:SSRe9QDD
- TLSH T1FBC78406F702899AD4799338488B4F91B372ECF14AB6972323B8733D2EFA35C5E91545
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2220 nCDb0v.exe - Loads dropped DLL 1 IoCs
pid Process 2220 nCDb0v.exe - Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\System32\CodeIntegrity\SiPolicy.p7b nCDb0v.exe - Suspicious behavior: EnumeratesProcesses 54 IoCs
pid Process 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 6080 inst_smt013.exe 2220 nCDb0v.exe 2220 nCDb0v.exe 2220 nCDb0v.exe 2220 nCDb0v.exe 2220 nCDb0v.exe 2220 nCDb0v.exe 2220 nCDb0v.exe 2220 nCDb0v.exe 2220 nCDb0v.exe 2220 nCDb0v.exe 2220 nCDb0v.exe 2220 nCDb0v.exe 2220 nCDb0v.exe 2220 nCDb0v.exe 2220 nCDb0v.exe 2220 nCDb0v.exe 2220 nCDb0v.exe 2220 nCDb0v.exe 2220 nCDb0v.exe 2220 nCDb0v.exe 2220 nCDb0v.exe 2220 nCDb0v.exe - Suspicious behavior: LoadsDriver 4 IoCs
pid Process 812 Process not Found 812 Process not Found 812 Process not Found 812 Process not Found - 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
-
C:\Users\Admin\AppData\Local\Temp\inst_smt013.exe"C:\Users\Admin\AppData\Local\Temp\inst_smt013.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
PID:6080
-
C:\Users\Public\oxMesk\nCDb0v.exe"C:\Users\Public\oxMesk\nCDb0v.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:2220
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Public\oxMesk\UxEnhance64.dll
- Size 3.1MB
- SHA256 f8d7ed6563bd97f59edbfb3c9a1a6b00059930cfc4d70b245bd65bf56eab24bd
- MD5 0ae39ec9534747156c90d7bf16dbd173
- SHA1 5cae39d7493c8d2590f8394c7aeee736ea7ca24c
- SHA512 909a33325eee2caae8ba93f91fe3a0f81b6d7722ac377cdb79f6d9de80787932d8fd4cb4c1363fd9f46346ccb485286f7f2e1a42fac0b54875ea67af8f53cc67
- SSDEEP 49152:P9KpI8cBa0kj6BK0x3TiMQclkGo2PXk6rkwuuWG/+WizBedfb77N3SnKrKB+T:P9m29xx3Tiqt06ox6+z2rNNrKoT
- TLSH T192E523E5B6D739F6D023CBF4DA62A1AD70393F505F635C5F3B8929014E62228973A390
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\oxMesk\adoresd.dat
- Size 4.7MB
- SHA256 aec865cb9e10de117c04a4ef7c6e6277eb5372a65c02ab776030b582c1243d5f
- MD5 de49f68157550ff2896464ad6cf7627f
- SHA1 42b10fdbc7c6fa9f24aafa610b65e6988b7b194b
- SHA512 be964809a5fb4e7f2c41476745f772c8f8a283d31f713158f7d0d9dc2a85c73b9be9922d4ad5445cb261592bad8b2c181bea1d678150bd857118488a115e8730
- SSDEEP 98304:nmu1SwODpRGIRdXEMZYe6rFLoTTpMk6ZGvQv0Ss2i+XZXea1v5WZd8uCp:mu1SwOflfZPF6Ma0bsoa5+qd
- TLSH T18B3633368AE6F5C7E35B2A0AF36888DD12B0B7AD6E9D75C24AF070145DB30CE9015BC4
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\oxMesk\msadox.tb
- Size 8KB
- SHA256 66e6156645cd6aad17dd75a8a2a36fe3eedd1b763a6051792fe5a602fd04c10a
- MD5 017447f936cabd4718e909d1aa419166
- SHA1 a0a8a5f7c984606fedced09fcde58c836ff054ae
- SHA512 8f5cffcc7f580c43aabae5dc19fbe0ef83c1da02fd3cb598bf969520b3d4e925732bd3fde7dcd6cab099d4f2de9f04df1b20974eb29ca85332d33532a8f62568
- SSDEEP 192:zqbZajnZ45X1q3JXglD+3vR8cwNhIMCGe2y0PQp:zsZqZOXQ3uqvR2Kfzp
- TLSH T141029E05D7B20CC3D6016C71CD9EB2F5AB13A1DADA3926719C67D4C167072DD2CE620D
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Public\oxMesk\nCDb0v.exe
- Size 135KB
- SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
- MD5 9ec587911e501b73b7cf09f05d0ae17d
- SHA1 5b62403cc9a668c6e5c70ace177fd54fcc4c5936
- SHA512 d05468a472373815c46ccb46ec743408365d24982d10d8a23ee0036c28cf3dacd05d74304ef2d4b7118f91ff3f631f676b2e86ddee92a02cf988b0d3c6247847
- SSDEEP 3072:MmhXb5pgtiaRENEErO9Uj4OqhhUvB4BNgQaJ:MmjgtiayGErsUKh3To
- TLSH T1D0D38C2776A474F9E1778635C8511A1AE772B8760770CB9F03A442A62F237D19E3EF20
- MD5 SHA1 SHA512 SSDEEP TLSH