1e6004b45a0f41da07ca7e3cfe7530ebddaebfad05c13023ca16cef94b9265a0

Analysis

max time kernel
78s
max time network
98s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
29/06/2024, 17:18

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General

Target

BlueStacks10Installer_10.20.0.1005_native_a0e0155c7e586ffd8134dd53396d0ee7_MDs1LDM7MTUsMTsxNSw0OzE1 - Copy (2).exe
Size

910KB
MD5

80ff5d3b21f79bef9376b9a8867167da
SHA1

9f282460ebc7297939c8f8dc0daa667e18a45d0a
SHA256

1e6004b45a0f41da07ca7e3cfe7530ebddaebfad05c13023ca16cef94b9265a0
SHA512

4c12153afa3ad66ab2cb6fdcd11ff868eead53f879b06c3f05fe9c5196c8c47b90206a5f88571783ecc203495738fc48508f8bcc679d0e82f9536556c58ba9b2
SSDEEP

12288:CivtCXQd0gjKX7zuqGKcD779TxgE98I17YpNgc8gJ67yY9lAFmNek7ra8MDVFnKg:CivtCXWeGKc9Txt9Okc/WmSrLbLvhYh

Score

4^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
3020	BlueStacksInstaller.exe
2112	HD-CheckCpu.exe
3176	HD-CheckCpu.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000_Classes\Local Settings\MuiCache	MiniSearchHost.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3020	BlueStacksInstaller.exe
3020	BlueStacksInstaller.exe
3020	BlueStacksInstaller.exe
3020	BlueStacksInstaller.exe
3020	BlueStacksInstaller.exe
3020	BlueStacksInstaller.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3020	BlueStacksInstaller.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4884	MiniSearchHost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 3020	3004	BlueStacks10Installer_10.20.0.1005_native_a0e0155c7e586ffd8134dd53396d0ee7_MDs1LDM7MTUsMTsxNSw0OzE1 - Copy (2).exe	77
PID 3004 wrote to memory of 3020	3004	BlueStacks10Installer_10.20.0.1005_native_a0e0155c7e586ffd8134dd53396d0ee7_MDs1LDM7MTUsMTsxNSw0OzE1 - Copy (2).exe	77
PID 3020 wrote to memory of 2112	3020	BlueStacksInstaller.exe	82
PID 3020 wrote to memory of 2112	3020	BlueStacksInstaller.exe	82
PID 3020 wrote to memory of 2112	3020	BlueStacksInstaller.exe	82
PID 3020 wrote to memory of 3176	3020	BlueStacksInstaller.exe	84
PID 3020 wrote to memory of 3176	3020	BlueStacksInstaller.exe	84
PID 3020 wrote to memory of 3176	3020	BlueStacksInstaller.exe	84

C:\Users\Admin\AppData\Local\Temp\BlueStacks10Installer_10.20.0.1005_native_a0e0155c7e586ffd8134dd53396d0ee7_MDs1LDM7MTUsMTsxNSw0OzE1 - Copy (2).exe
"C:\Users\Admin\AppData\Local\Temp\BlueStacks10Installer_10.20.0.1005_native_a0e0155c7e586ffd8134dd53396d0ee7_MDs1LDM7MTUsMTsxNSw0OzE1 - Copy (2).exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Users\Admin\AppData\Local\Temp\7zSCBB31227\BlueStacksInstaller.exe
  "C:\Users\Admin\AppData\Local\Temp\7zSCBB31227\BlueStacksInstaller.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3020
- - C:\Users\Admin\AppData\Local\Temp\7zSCBB31227\HD-CheckCpu.exe
    "C:\Users\Admin\AppData\Local\Temp\7zSCBB31227\HD-CheckCpu.exe" --cmd checkHypervEnabled
    3⤵
    - Executes dropped EXE
    PID:2112
- - C:\Users\Admin\AppData\Local\Temp\7zSCBB31227\HD-CheckCpu.exe
    "C:\Users\Admin\AppData\Local\Temp\7zSCBB31227\HD-CheckCpu.exe" --cmd checkSSE4
    3⤵
    - Executes dropped EXE
    PID:3176

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat

Filesize
10KB

MD5
a71ab244d565671f741686cb2c5ed11b

SHA1
b6e766a85f1f878d512f752df2dd4873971755e2

SHA256
06a5716962f3b50a8aa3acd30e33d6c75664465c3d795196ad6dce5e33a80faa

SHA512
0826c8e52b0f5dbcbda745f06390fd59ce9eee8e0e845cdb007f4a97b19065f2544ca63226b34d361adf9e1cf26644672abfe5dcfd75651cd2aeb1ae27f16f84

Download Submit
C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat

Filesize
10KB

MD5
44408d8bcd8c4ffe97a60ddf16281885

SHA1
ab8773e27c92a24e12969dd4dc6bb8422f15d589

SHA256
a6047cddc1126bc128da907db3550e725647640752e6a5c71ce9445735a9e83a

SHA512
ff4e382bd3d00515f57bb735c6ffce35afd9f63a8def25ba18f722e618ac9f107e31e0ab44ff7758394e9ca7f52bc67b0ba70710c4dfd6afdb470a34093a35c6

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCBB31227\Assets\exit_close.png

Filesize
670B

MD5
26eb04b9e0105a7b121ea9c6601bbf2a

SHA1
efc08370d90c8173df8d8c4b122d2bb64c07ccd8

SHA256
7aaef329ba9fa052791d1a09f127551289641ea743baba171de55faa30ec1157

SHA512
9df3c723314d11a6b4ce0577eb61488061f2f96a9746a944eb6a4ee8c0c4d29131231a1b20988ef5454b79f9475b43d62c710839ecc0a9c98324f977cab6db68

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCBB31227\Assets\loader.png

Filesize
279B

MD5
03903fd42ed2ee3cb014f0f3b410bcb4

SHA1
762a95240607fe8a304867a46bc2d677f494f5c2

SHA256
076263cc65f9824f4f82eb6beaa594d1df90218a2ee21664cf209181557e04b1

SHA512
8b0e717268590e5287c07598a06d89220c5e9a33cd1c29c55f8720321f4b3efc869d20c61fcc892e13188d77f0fdc4c73a2ee6dece174bf876fcc3a6c5683857

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCBB31227\Assets\minimize_progress.png

Filesize
212B

MD5
1504b80f2a6f2d3fefc305da54a2a6c2

SHA1
432a9d89ebc2f693836d3c2f0743ea5d2077848d

SHA256
2f62d4e8c643051093f907058dddc78cc525147d9c4f4a0d78b4d0e5c90979f6

SHA512
675db04baf3199c8d94af30a1f1c252830a56a90f633c3a72aa9841738b04242902a5e7c56dd792626338e8b7eabc1f359514bb3a2e62bc36c16919e196cfd94

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCBB31227\BlueStacksInstaller.exe

Filesize
623KB

MD5
cc041375a535f92ecaeda1672b5677da

SHA1
ef38cc04d88f8070af259567b108ac031fca7614

SHA256
ea1e6c9644acc3611928c221cb9669fb99dbbda3a55a6a7fb819f6e52e4c538c

SHA512
2949c50a70fb5f87c8f809f96d4dc3c600515b000feaf38b9e7dd132936024aa7d14aef3183b666cb8ddf947ee8d5ac5ea555cb211c685d88657995333284b16

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCBB31227\BlueStacksInstaller.exe.config

Filesize
324B

MD5
1b456d88546e29f4f007cd0bf1025703

SHA1
e5c444fcfe5baf2ef71c1813afc3f2c1100cab86

SHA256
d6d316584b63bb0d670a42f88b8f84e0de0db4275f1a342084dc383ebeb278eb

SHA512
c545e416c841b8786e4589fc9ca2b732b16cdd759813ec03f558332f2436f165ec1ad2fbc65012b5709fa19ff1e8396639c17bfad150cabeb51328a39ea556e6

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCBB31227\HD-CheckCpu.exe

Filesize
200KB

MD5
81234fd9895897b8d1f5e6772a1b38d0

SHA1
80b2fec4a85ed90c4db2f09b63bd8f37038db0d3

SHA256
2e14887f3432b4a313442247fc669f891dbdad7ef1a2d371466a2afa88074a4c

SHA512
4c924d6524dc2c7d834bfc1a0d98b21753a7bf1e94b1c2c6650f755e6f265512d3a963bc7bc745351f79f547add57c37e29ba9270707edbf62b60df3a541bc16

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCBB31227\JSON.dll

Filesize
411KB

MD5
f5fd966e29f5c359f78cb61a571d1be4

SHA1
a55e7ed593b4bc7a77586da0f1223cfd9d51a233

SHA256
d2c8d26f95f55431e632c8581154db7c19547b656380e051194a9d2583dd2156

SHA512
d99e6fe250bb106257f86135938635f6e7ad689b2c11a96bb274f4c4c5e9a85cfacba40122dbc953f77b5d33d886c6af30bff821f10945e15b21a24b66f6c8be

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCBB31227\Locales\i18n.en-US.txt

Filesize
19KB

MD5
206562eed57e938afe21fc6942fa8e59

SHA1
779e90fec866c0fd2f47da020651db71c89ec3dd

SHA256
27d611a71edf36307a7ed0651f6c5910292ac7e2b68074a7e33d306b3d93ec45

SHA512
275c3192a7aee28fad31beb521cf5e7c66010e7562ce244ba9fc4de352f35b4ab63180ed12a56ea0b1458c185e076e2d07ba6d8797467177d3c5b2ac14371b26

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCBB31227\ThemeFile

Filesize
80KB

MD5
c3e6bab4f92ee40b9453821136878993

SHA1
94493a6b3dfb3135e5775b7d3be227659856fbc4

SHA256
de1a2e6b560e036da5ea6b042e29e81a5bfcf67dde89670c332fc5199e811ba6

SHA512
a64b6b06b3a0f3591892b60e59699682700f4018b898efe55d6bd5fb417965a55027671c58092d1eb7e21c2dbac42bc68dfb8c70468d98bed45a8cff0e945895

Download Submit
memory/3020-122-0x000000001B8D0000-0x000000001B938000-memory.dmp

Filesize
416KB

Download
memory/3020-148-0x000000001CB60000-0x000000001D088000-memory.dmp

Filesize
5.2MB

Download
memory/3020-123-0x00007FFB9C410000-0x00007FFB9CED2000-memory.dmp

Filesize
10.8MB

Download
memory/3020-152-0x000000001F1C0000-0x000000001F1CE000-memory.dmp

Filesize
56KB

Download
memory/3020-151-0x000000001F200000-0x000000001F238000-memory.dmp

Filesize
224KB

Download
memory/3020-155-0x00007FFB9C410000-0x00007FFB9CED2000-memory.dmp

Filesize
10.8MB

Download
memory/3020-119-0x00000000009F0000-0x0000000000A8E000-memory.dmp

Filesize
632KB

Download
memory/3020-120-0x00007FFB9C413000-0x00007FFB9C415000-memory.dmp

Filesize
8KB

Download
memory/3020-158-0x000000001C190000-0x000000001C198000-memory.dmp

Filesize
32KB

Download