1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656

Analysis

custom tags

oss_ak
max time kernel
150s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
31/07/2026, 02:42

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General

Target
1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe
Size 13.7MB
Sample260731-c685labe59
SHA256 1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656
MD5 4820a312ac92a283b15656ea122c4c5a
SHA1 f64e211c8a5e3f4ec9564a8bf05f045efdf8049b
SHA512 f9f65b4176fe92bc4f3dfd1b07d99c168458f8ff83989aea686032808be2914a273f4f115c2203f32dcf366a7363a5cf181847ccc027fbff57f5d8c1cd038014
SSDEEP 393216:MF0fV+Gvy+NtIfWUQb7XUpgSHRfW3rb1onjB:MF0DvzJJb7XegKCxont
TLSH
T140E63305F458911ED490B072952A37B029DA1B263B19CBA3833A70F7FF57C23664F76A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

defense_evasion discovery oss_ak

Malware Config

Signatures

detect oss ak 1 IoCs

oss ak information detected.

oss_ak

resource	yara_rule
behavioral2/files/0x000d00000001c470-49.dat	detect_ak_stuff

Loads dropped DLL 8 IoCs

pid	Process
6108	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe
6108	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe
6108	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe
6108	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe
6108	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe
6108	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe
6108	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe
6108	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
3728	taskkill.exe

Modifies registry class 17 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\.md\Markdown 文件_backup	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Markdown 文件\DefaultIcon	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Markdown 文件\shell\ = "open"	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Markdown 文件\shell\open	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Markdown 文件\shell\open\command	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\.md	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Markdown 文件\ = "由知识库打开"	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Markdown 文件\shell	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\.markdown\Markdown 文件_backup	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\.markdown\ = "Markdown 文件"	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Markdown 文件\shell\open\ = "使用知识库打开"	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Markdown 文件	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Markdown 文件\shell\open\ = "Open with Knowledge Base"	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe
Key created	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\.markdown	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\.md\ = "Markdown 文件"	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Markdown 文件\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Knowledge Base\\KnowledgeBase.exe,0"	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000_Classes\Markdown 文件\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Knowledge Base\\KnowledgeBase.exe \"%1\""	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
6108	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe
6108	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3728	taskkill.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 6108 wrote to memory of 3728	6108	1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe	89

C:\Users\Admin\AppData\Local\Temp\1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe
"C:\Users\Admin\AppData\Local\Temp\1115b3ebb724bd4547cc656d85c6f2e85200ad80738f8351c9817e8c97ba8656.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:6108
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /F /IM kb-mcp.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3728

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

KnowledgeBase.exe

Path C:\Users\Admin\AppData\Local\Knowledge Base\KnowledgeBase.exe
Size 27.1MB
SHA256 1f2b23ccfb227eb902ec3ff3b0896021fe1a38c9388ab69ec0d312f434574c5b
MD5 3ac972d31a0ce8e6fece41170d03b095
SHA1 c9479ef6a67a10c45afeae7287b0238b4574a44f
SHA512 a693837a0585203ed40f97d41a4a996eed437f2ec5e80d2854193879d425af5f7dd5ab434b8bcb2a2919b81393ccdb51265b3bd93eb1b2d85c17bb7e3f1b55b9
SSDEEP 196608:OXCBfi8WXXK2cAiVy4zCZ3Ils4q8okJHjzysYZbD9OIpOuXU7EXZp/irLUs4CJjr:OX4rCSXUsbJjF9O3fXHtKvFKrsR
TLSH
T178573A017E8A5C99E0D8CC70C34B8B634E2130EB1536FABF49D516293F6E7B49B29359
MD5 SHA1 SHA512 SSDEEP TLSH

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LangDLL.dll

Path C:\Users\Admin\AppData\Local\Temp\nsaC476.tmp\LangDLL.dll
Size 5KB
SHA256 4cf25411f28f639f72156c24b0f66ea42f5aee5973f6c137d901da6ae42d5b7e
MD5 4b8a750993567ac9a350ba9768fabfa0
SHA1 7ee7a8c313b292d62561b085c9d490c0f8065624
SHA512 c2a06e352815a2f5340e8244cf2c5a4a5cd7e7848ea67e454ab207262cb33130008491e83d053c778bea97720f7387de737bf15355db3cd5477b94f3571107bb
SSDEEP 48:S46+/TTKYKxbWsptIp5tCZ0iVEAWyMEv9v/ft2O2B8mkGofjLl:zxuPbO5tCZBVEAWyMEFv2CmqL
TLSH
T171C1A370B3D248B9D591413778AB33D36612AE746784500FDB6311AA3820AE7AD3EBC2
MD5 SHA1 SHA512 SSDEEP TLSH

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System.dll

Path C:\Users\Admin\AppData\Local\Temp\nsaC476.tmp\System.dll
Size 12KB
SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
MD5 9b38a1b07a0ebc5c7e59e63346ecc2db
SHA1 97332a2ffcf12a3e3f27e7c05213b5d7faa13735
SHA512 26e77f8e10f6d8693c92bd036b53a3f6e0c523090ef8dfe479815f556ecd2b57fc90ce9f7cceebe70460d464decb27ad1fe240819fd56997764e96506b6a439c
SSDEEP 192:kjHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZ40QPi:U/Qlt7wiij/lMRv/9V4b4r
TLSH
T1E8427C1297B089F2F151093419667F2A6FBEAC5D17F405A3CFE304C63D212CB9839243
MD5 SHA1 SHA512 SSDEEP TLSH

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modern-wizard.bmp

Path C:\Users\Admin\AppData\Local\Temp\nsaC476.tmp\modern-wizard.bmp
Size 25KB
SHA256 3ad2dc318056d0a2024af1804ea741146cfc18cc404649a44610cbf8b2056cf2
MD5 cbe40fd2b1ec96daedc65da172d90022
SHA1 366c216220aa4329dff6c485fd0e9b0f4f0a7944
SHA512 62990cb16e37b6b4eff6ab03571c3a82dcaa21a1d393c3cb01d81f62287777fb0b4b27f8852b5fa71bc975feab5baa486d33f2c58660210e115de7e2bd34ea63
SSDEEP 24:Qwika6aSaaDaVYoG6abuJsnZs5GhI11BayNXPcDrSsUWcSphsWwlEWqCl6aHAX2x:Qoi47a5G8SddzKFIcsOz3Xz
TLSH
T139C29757DE6B6EA4BE0804EF1A0694931C71FE211AB0CD0561D2B767B4FC93B19A0B3C
MD5 SHA1 SHA512 SSDEEP TLSH

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nsDialogs.dll

Path C:\Users\Admin\AppData\Local\Temp\nsaC476.tmp\nsDialogs.dll
Size 9KB
SHA256 b1350f487692057c8ffde75dcc55287a52a3272240d4d4912f24464b27551fc0
MD5 8f0e7415f33843431df308bb8e06af81
SHA1 1314272e6ad3be1985d4a1607b890a34b0bde8b5
SHA512 5450b2070c40b257c28ba9a472d762f91b78928d1e8d4d88e0576992065a61fb9a6513006e6b5947c415c9e02ae80a90a85b58da7e016a424331c8cd596ed684
SSDEEP 96:obEv02zUu56FcS817eTaXx85qHFcUcxSgB5PKtAtoniJninnt3DVEB3YHNqkzfFc:obEvCu5e81785qHFcU0PuAw0uytIFc
TLSH
T19D12F892E2A454B3C5D6523B36AA2F2DCBBD5329B0927C01C7738E4D39395766E38343
MD5 SHA1 SHA512 SSDEEP TLSH

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nsExec.dll

Path C:\Users\Admin\AppData\Local\Temp\nsaC476.tmp\nsExec.dll
Size 7KB
SHA256 b121689861b506dbc9c3797b49bc8a90d555cb7db58cb959165cc758391c00bb
MD5 8fe362ffdfa66269b8a64e3a87f68e52
SHA1 b5daaa60a6b8591a670da9fc3a2d6f896d55f568
SHA512 8f2904e01b0835683a0f11114a09da291ba527d867e73db2765185f780f2278debd9c5fc4281a42a6065c5ef5947bdc6239ae4c5835df62c71e1fce80d8bf942
SSDEEP 96:JXzdzBzMDhOZZDbXf5GsWvSv1ckne94SDbYkvML1HT1fUNQaSGYuHnDQ:JgQHDb2vSuOc41ZfUNQZGdHD
TLSH
T1F8E1193571C02DF7E08D89707816BD2F83F4D43627BA05A04A771AD579D0AF6EE28B42
MD5 SHA1 SHA512 SSDEEP TLSH

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nsis_tauri_utils.dll

Path C:\Users\Admin\AppData\Local\Temp\nsaC476.tmp\nsis_tauri_utils.dll
Size 33KB
SHA256 5ba143b5db4a87d32d6e7802e033330aae56cbceabe0d1e3ba41948385ad4709
MD5 948eaa3cb78c2dcdd9eb1ab120ae0f65
SHA1 75197fee3c6a814fe035788d1c34ead39349b860
SHA512 f7c511e8c73ef6ee9b72c88cd73b2d454a6ffc12144118df2276ea3f5c34175df0d9d15a435035575ca2b171789fe348d7a9028b702b47dda749ee17e03ae7c1
SSDEEP 768:K/wOD4gzTVpAVk2h5Rsekk55aCukBFKpnp0jdhK7W+qVG:8wODZzTrAV5Oevq4DtXHVG
TLSH
T188F24A48FDC57EBAE2CF05710809467E4A6FC8081700C96BE3722EA3D5A67329ED525F
MD5 SHA1 SHA512 SSDEEP TLSH

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