Overview
overview
7Static
static
3MicroSIP-3.22.12.exe
windows10-2004-x64
7MicroSIP-3.22.12.exe
windows11-ltsc_2024-x64
7$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...LL.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...nu.dll
windows10-2004-x64
3$PLUGINSDI...nu.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows11-ltsc_2024-x64
3MicroSIP.exe
windows10-2004-x64
7MicroSIP.exe
windows11-ltsc_2024-x64
4MicroSIP.url
windows10-2004-x64
4MicroSIP.url
windows11-ltsc_2024-x64
4SDL2.dll
windows10-2004-x64
3SDL2.dll
windows11-ltsc_2024-x64
3Uninstall.exe
windows10-2004-x64
7Uninstall.exe
windows11-ltsc_2024-x64
7avcodec-60.dll
windows10-2004-x64
3avcodec-60.dll
windows11-ltsc_2024-x64
3avformat-60.dll
windows10-2004-x64
3avformat-60.dll
windows11-ltsc_2024-x64
3avutil-58.dll
windows10-2004-x64
3avutil-58.dll
windows11-ltsc_2024-x64
3lame_enc.dll
windows10-2004-x64
3lame_enc.dll
windows11-ltsc_2024-x64
3swscale-7.dll
windows10-2004-x64
3swscale-7.dll
windows11-ltsc_2024-x64
3Analysis
- max time kernel
150s - max time network
114s - 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, 01:06
Static task
static1
Behavioral task
behavioral1
Sample
MicroSIP-3.22.12.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
MicroSIP-3.22.12.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral11
Sample
MicroSIP.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
MicroSIP.exe
Resource
win11ltsc2024-20260710-en
Behavioral task
behavioral13
Sample
MicroSIP.url
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
MicroSIP.url
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral15
Sample
SDL2.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral16
Sample
SDL2.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral17
Sample
Uninstall.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral18
Sample
Uninstall.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral19
Sample
avcodec-60.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral20
Sample
avcodec-60.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral21
Sample
avformat-60.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral22
Sample
avformat-60.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral23
Sample
avutil-58.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral24
Sample
avutil-58.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral25
Sample
lame_enc.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral26
Sample
lame_enc.dll
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral27
Sample
swscale-7.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral28
Sample
swscale-7.dll
Resource
win11ltsc2024-20260709-en
General
- Target Uninstall.exe
- Size 492KB
- Sample260805-bf7neabd52
- SHA256 75cebccbd1be9d8317e3627f4303797c13b9d56a17032158623e758254b309c6
- MD5 15a5401a7674bb856b2b290800d7f92d
- SHA1 0af912803a67a6ea5b92a6543748894315d215c3
- SHA512 1fbaac89371a9d2ccd7c28665755357182c0fe78bbdde5a2e135377fc97241e034ecb836c8d933aebf2eac9964f4676543df2ff46623957a2449f10aebe7df9f
- SSDEEP 6144:GfY+on59WdKcJKNhZNiM/sanm6EgUOD014jdxRncIrMftt1iP9qtrGPa:GfYtCA36am6EgdWMP6sa
- TLSH T1A5B4C506B7FD8115F5F36B31BDB642D20A7BBD92AE38D14E2345694C0874BA0EA60773
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Deletes itself 1 IoCs
pid Process 1240 Un.exe - Executes dropped EXE 1 IoCs
pid Process 1240 Un.exe - Loads dropped DLL 3 IoCs
pid Process 1240 Un.exe 1240 Un.exe 1240 Un.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Uninstall.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Un.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5028 wrote to memory of 1240 5028 Uninstall.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5028 -
C:\Users\Admin\AppData\Local\Temp\~nsu1.tmp\Un.exe"C:\Users\Admin\AppData\Local\Temp\~nsu1.tmp\Un.exe" _?=C:\Users\Admin\AppData\Local\Temp\2⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1240
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\nsz4E46.tmp\LangDLL.dll
- Size 5KB
- SHA256 131aa0df90c08dce2eecee46cce8759e9afff04bf15b7b0002c2a53ae5e92c36
- MD5 549ee11198143574f4d9953198a09fe8
- SHA1 2e89ba5f30e1c1c4ce517f28ec1505294bb6c4c1
- SHA512 0fb4cea4fd320381fe50c52d1c198261f0347d6dcee857917169fcc3e2083ed4933beff708e81d816787195cca050f3f5f9c5ac9cc7f781831b028ef5714bec8
- SSDEEP 48:S46+/sTKYKxbWsptIp5tCZ0iVEAWyMEv9v/ft2O2B8mWofjLl:z+uPbO5tCZBVEAWyMEFv2Cm9L
- TLSH T1D5C1A370B3D248B9C591413778AB33D36612AE747784504FDB6311AA3820AE7AD3EBC2
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nsz4E46.tmp\System.dll
- Size 12KB
- SHA256 23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6
- MD5 192639861e3dc2dc5c08bb8f8c7260d5
- SHA1 58d30e460609e22fa0098bc27d928b689ef9af78
- SHA512 6e573d8b2ef6ed719e271fd0b2fd9cd451f61fc9a9459330108d6d7a65a0f64016303318cad787aa1d5334ba670d8f1c7c13074e1be550b4a316963ecc465cdc
- SSDEEP 192:ljHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZqE0QPi:R/Qlt7wiij/lMRv/9V4bfr
- TLSH T1B1427C1297B089F2F551493419667F2A6FBEAC5C13F405A3CFE304C63D212CB9839243
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nsz4E46.tmp\modern-wizard.bmp
- Size 51KB
- SHA256 5c5e3e1bada532e95aea8846336b0f5f17cc9c49bcd020064cd3ebe4a5d86922
- MD5 32d872b48c1106d505f5c727d1f5a4a3
- SHA1 e5f067a905abfde6eda018d2f0285ee926ea5451
- SHA512 b3b6e3a4c9a7262cb8c007c64e3f9d53102b3741a0cb27221fa1149d32581f8d6bdaf9f7c4ebddf6d2e554d20664f91b8c7de45516bb37ff57e98ba8dda1d3ee
- SSDEEP 384:0p0lDI36iwq7VzVpaHsA2vxM+5GVTfoeydiszl:w0C360JzVpaHsAI75GRfovcs5
- TLSH T1D333F9F46824BC2D936CCC29C115EF8896D910B2FF9040B7303EA6954ADD2A91897FDF
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\nsz4E46.tmp\nsDialogs.dll
- Size 9KB
- SHA256 89a82c4849c21dfe765052681e1fad02d2d7b13c8b5075880c52423dca72a912
- MD5 b7d61f3f56abf7b7ff0d4e7da3ad783d
- SHA1 15ab5219c0e77fd9652bc62ff390b8e6846c8e3e
- SHA512 6467c0de680fadb8078bdaa0d560d2b228f5a22d4d8358a1c7d564c6ebceface5d377b870eaf8985fbee727001da569867554154d568e3b37f674096bbafafb8
- SSDEEP 96:ooEv02zUu56FcS817eTaXx85qHFcUcxSgB5PKtAtoniJninnt3DVEB3YMNqkzfFc:ooEvCu5e81785qHFcU0PuAw0uyyIFc
- TLSH T16A12F992E2A454B3C5D6523B35AA2F2DCBBD5329B0927C01C7738E4D393957A6E38343
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\~nsu1.tmp\Un.exe
- Size 492KB
- SHA256 75cebccbd1be9d8317e3627f4303797c13b9d56a17032158623e758254b309c6
- MD5 15a5401a7674bb856b2b290800d7f92d
- SHA1 0af912803a67a6ea5b92a6543748894315d215c3
- SHA512 1fbaac89371a9d2ccd7c28665755357182c0fe78bbdde5a2e135377fc97241e034ecb836c8d933aebf2eac9964f4676543df2ff46623957a2449f10aebe7df9f
- SSDEEP 6144:GfY+on59WdKcJKNhZNiM/sanm6EgUOD014jdxRncIrMftt1iP9qtrGPa:GfYtCA36am6EgdWMP6sa
- TLSH T1A5B4C506B7FD8115F5F36B31BDB642D20A7BBD92AE38D14E2345694C0874BA0EA60773
- MD5 SHA1 SHA512 SSDEEP TLSH