7a1c0d1727a6a168a0d1f8d9efc93efa42f1a71b6f6162c964e25da208ea1c1c

Analysis

max time kernel
55s
max time network
49s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
27/04/2024, 14:36

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General

Target
BlueStacksInstaller_5.21.150.1025_native_a27b4c78dda57495de4b7d7cdd16f80d_MzsxNSwwOzUsMTsxNSw0OzE1.exe
Size 910KB
Sample240427-ry2g4sch8w
SHA256 7a1c0d1727a6a168a0d1f8d9efc93efa42f1a71b6f6162c964e25da208ea1c1c
MD5 5c25341e8ecfd88a50b7566115751c1f
SHA1 6fbf9e7067a6259226a6e892c710693bbc374b86
SHA512 c50304fde1ffc9afafccafce0f1b47c94fe8b29a32e6dc83f5b9828276a9abc47baea74f189919db0a58e4e620e5db65875984e1965f34fc652c27cef25ff924
SSDEEP 24576:civtCXWeGKO9Txt9OkcnhHhkEZMVwc04LiW:5tCXWPXvz5cnhBkElc04LiW
MD5 SHA1 SHA512 SSDEEP

Score

5^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation	BlueStacksInstaller_5.21.150.1025_native_a27b4c78dda57495de4b7d7cdd16f80d_MzsxNSwwOzUsMTsxNSw0OzE1.exe

Executes dropped EXE 3 IoCs

pid	Process
880	BlueStacksInstaller.exe
2136	HD-CheckCpu.exe
3108	HD-CheckCpu.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
880	BlueStacksInstaller.exe
880	BlueStacksInstaller.exe
880	BlueStacksInstaller.exe
880	BlueStacksInstaller.exe
880	BlueStacksInstaller.exe
880	BlueStacksInstaller.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	880	BlueStacksInstaller.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3264 wrote to memory of 880	3264	BlueStacksInstaller_5.21.150.1025_native_a27b4c78dda57495de4b7d7cdd16f80d_MzsxNSwwOzUsMTsxNSw0OzE1.exe	83
PID 3264 wrote to memory of 880	3264	BlueStacksInstaller_5.21.150.1025_native_a27b4c78dda57495de4b7d7cdd16f80d_MzsxNSwwOzUsMTsxNSw0OzE1.exe	83
PID 880 wrote to memory of 2136	880	BlueStacksInstaller.exe	88
PID 880 wrote to memory of 2136	880	BlueStacksInstaller.exe	88
PID 880 wrote to memory of 2136	880	BlueStacksInstaller.exe	88
PID 880 wrote to memory of 3108	880	BlueStacksInstaller.exe	90
PID 880 wrote to memory of 3108	880	BlueStacksInstaller.exe	90
PID 880 wrote to memory of 3108	880	BlueStacksInstaller.exe	90

C:\Users\Admin\AppData\Local\Temp\BlueStacksInstaller_5.21.150.1025_native_a27b4c78dda57495de4b7d7cdd16f80d_MzsxNSwwOzUsMTsxNSw0OzE1.exe
"C:\Users\Admin\AppData\Local\Temp\BlueStacksInstaller_5.21.150.1025_native_a27b4c78dda57495de4b7d7cdd16f80d_MzsxNSwwOzUsMTsxNSw0OzE1.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3264
- C:\Users\Admin\AppData\Local\Temp\7zS0CC0B377\BlueStacksInstaller.exe
  "C:\Users\Admin\AppData\Local\Temp\7zS0CC0B377\BlueStacksInstaller.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:880
- - C:\Users\Admin\AppData\Local\Temp\7zS0CC0B377\HD-CheckCpu.exe
    "C:\Users\Admin\AppData\Local\Temp\7zS0CC0B377\HD-CheckCpu.exe" --cmd checkHypervEnabled
    3⤵
    - Executes dropped EXE
    PID:2136
- - C:\Users\Admin\AppData\Local\Temp\7zS0CC0B377\HD-CheckCpu.exe
    "C:\Users\Admin\AppData\Local\Temp\7zS0CC0B377\HD-CheckCpu.exe" --cmd checkSSE4
    3⤵
    - Executes dropped EXE
    PID:3108

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

exit_close.png

Path C:\Users\Admin\AppData\Local\Temp\7zS0CC0B377\Assets\exit_close.png
Size 670B
SHA256 7aaef329ba9fa052791d1a09f127551289641ea743baba171de55faa30ec1157
MD5 26eb04b9e0105a7b121ea9c6601bbf2a
SHA1 efc08370d90c8173df8d8c4b122d2bb64c07ccd8
SHA512 9df3c723314d11a6b4ce0577eb61488061f2f96a9746a944eb6a4ee8c0c4d29131231a1b20988ef5454b79f9475b43d62c710839ecc0a9c98324f977cab6db68
MD5 SHA1 SHA512

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loader.png

Path C:\Users\Admin\AppData\Local\Temp\7zS0CC0B377\Assets\loader.png
Size 279B
SHA256 076263cc65f9824f4f82eb6beaa594d1df90218a2ee21664cf209181557e04b1
MD5 03903fd42ed2ee3cb014f0f3b410bcb4
SHA1 762a95240607fe8a304867a46bc2d677f494f5c2
SHA512 8b0e717268590e5287c07598a06d89220c5e9a33cd1c29c55f8720321f4b3efc869d20c61fcc892e13188d77f0fdc4c73a2ee6dece174bf876fcc3a6c5683857
MD5 SHA1 SHA512

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minimize_progress.png

Path C:\Users\Admin\AppData\Local\Temp\7zS0CC0B377\Assets\minimize_progress.png
Size 212B
SHA256 2f62d4e8c643051093f907058dddc78cc525147d9c4f4a0d78b4d0e5c90979f6
MD5 1504b80f2a6f2d3fefc305da54a2a6c2
SHA1 432a9d89ebc2f693836d3c2f0743ea5d2077848d
SHA512 675db04baf3199c8d94af30a1f1c252830a56a90f633c3a72aa9841738b04242902a5e7c56dd792626338e8b7eabc1f359514bb3a2e62bc36c16919e196cfd94
MD5 SHA1 SHA512

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BlueStacksInstaller.exe

Path C:\Users\Admin\AppData\Local\Temp\7zS0CC0B377\BlueStacksInstaller.exe
Size 623KB
SHA256 b4107de3a80eb0a91d8ab4e0721c7ab7ff69ab44e8f5e72439917f6f70b2a34b
MD5 d43ffafcaec9da68bcf86dd3609751d3
SHA1 005a9af2b408f35ef2dbc862641fd59c4c140013
SHA512 ab3db7198a5a2a058cada84a88b7280284328af5d5219d0c986dfcac07ede276ac1a175509a99d089488a88ed588fa2b8de4b84e899f57e7b49a57fbbd6f9d8e
SSDEEP 12288:LZ+dDmzKGQSTmB3ZMxPcPp6vB5b6MCyblqZ:qmzB6NZacPAlK
MD5 SHA1 SHA512 SSDEEP

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BlueStacksInstaller.exe.config

Path C:\Users\Admin\AppData\Local\Temp\7zS0CC0B377\BlueStacksInstaller.exe.config
Size 324B
SHA256 d6d316584b63bb0d670a42f88b8f84e0de0db4275f1a342084dc383ebeb278eb
MD5 1b456d88546e29f4f007cd0bf1025703
SHA1 e5c444fcfe5baf2ef71c1813afc3f2c1100cab86
SHA512 c545e416c841b8786e4589fc9ca2b732b16cdd759813ec03f558332f2436f165ec1ad2fbc65012b5709fa19ff1e8396639c17bfad150cabeb51328a39ea556e6
MD5 SHA1 SHA512

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HD-CheckCpu.exe

Path C:\Users\Admin\AppData\Local\Temp\7zS0CC0B377\HD-CheckCpu.exe
Size 200KB
SHA256 2e14887f3432b4a313442247fc669f891dbdad7ef1a2d371466a2afa88074a4c
MD5 81234fd9895897b8d1f5e6772a1b38d0
SHA1 80b2fec4a85ed90c4db2f09b63bd8f37038db0d3
SHA512 4c924d6524dc2c7d834bfc1a0d98b21753a7bf1e94b1c2c6650f755e6f265512d3a963bc7bc745351f79f547add57c37e29ba9270707edbf62b60df3a541bc16
SSDEEP 3072:KjDeWjpu716WoCYv8NBa3eSx8LHGYwj6V4NL1q7HOAg0FujFfnk601hWNxK:opcoCYv8Xa3eSqL8j/3AOpNq
MD5 SHA1 SHA512 SSDEEP

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JSON.dll

Path C:\Users\Admin\AppData\Local\Temp\7zS0CC0B377\JSON.dll
Size 411KB
SHA256 d2c8d26f95f55431e632c8581154db7c19547b656380e051194a9d2583dd2156
MD5 f5fd966e29f5c359f78cb61a571d1be4
SHA1 a55e7ed593b4bc7a77586da0f1223cfd9d51a233
SHA512 d99e6fe250bb106257f86135938635f6e7ad689b2c11a96bb274f4c4c5e9a85cfacba40122dbc953f77b5d33d886c6af30bff821f10945e15b21a24b66f6c8be
SSDEEP 6144:GmyZXnmtWrnngnnnKnanlywwwBwwA5wwwwswww+wwwGwwwbwwwLwwwwwwwwwnwwd:GmIWtWrnngnnnKnanxNYhX
MD5 SHA1 SHA512 SSDEEP

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i18n.en-US.txt

Path C:\Users\Admin\AppData\Local\Temp\7zS0CC0B377\Locales\i18n.en-US.txt
Size 19KB
SHA256 27d611a71edf36307a7ed0651f6c5910292ac7e2b68074a7e33d306b3d93ec45
MD5 206562eed57e938afe21fc6942fa8e59
SHA1 779e90fec866c0fd2f47da020651db71c89ec3dd
SHA512 275c3192a7aee28fad31beb521cf5e7c66010e7562ce244ba9fc4de352f35b4ab63180ed12a56ea0b1458c185e076e2d07ba6d8797467177d3c5b2ac14371b26
SSDEEP 384:aBvGq6rKPsL/ds89JplYTWfUvcABRGjV+qXOJtUmEIpNsU6+FKvtCFV30Y4TWEac:aBvGqaKPsL/ds893l+WfacWRGjV+qXOa
MD5 SHA1 SHA512 SSDEEP

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ThemeFile

Path C:\Users\Admin\AppData\Local\Temp\7zS0CC0B377\ThemeFile
Size 80KB
SHA256 de1a2e6b560e036da5ea6b042e29e81a5bfcf67dde89670c332fc5199e811ba6
MD5 c3e6bab4f92ee40b9453821136878993
SHA1 94493a6b3dfb3135e5775b7d3be227659856fbc4
SHA512 a64b6b06b3a0f3591892b60e59699682700f4018b898efe55d6bd5fb417965a55027671c58092d1eb7e21c2dbac42bc68dfb8c70468d98bed45a8cff0e945895
SSDEEP 1536:Vq0UZUzBB6YjhX8knUVXVqlp1D88p/LUP8f/MPFntuevdxG+PchojU1yZwbP8fZS:pUFmL
MD5 SHA1 SHA512 SSDEEP

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memory/880-132-0x000000001DA20000-0x000000001DF48000-memory.dmp

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memory/880-128-0x000000001C7B0000-0x000000001C7C0000-memory.dmp

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memory/880-123-0x000000001ADC0000-0x000000001AE28000-memory.dmp

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memory/880-121-0x000000001C7B0000-0x000000001C7C0000-memory.dmp

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memory/880-135-0x00000000204C0000-0x00000000204F8000-memory.dmp

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memory/880-136-0x0000000020480000-0x000000002048E000-memory.dmp

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memory/880-138-0x00007FFFCCD90000-0x00007FFFCD851000-memory.dmp

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memory/880-139-0x000000001C7B0000-0x000000001C7C0000-memory.dmp

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memory/880-120-0x00007FFFCCD90000-0x00007FFFCD851000-memory.dmp

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memory/880-119-0x0000000000230000-0x00000000002CE000-memory.dmp

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memory/880-142-0x000000001D100000-0x000000001D108000-memory.dmp

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memory/880-143-0x000000001C7B0000-0x000000001C7C0000-memory.dmp

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memory/880-144-0x000000001C7B0000-0x000000001C7C0000-memory.dmp

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