Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
16/08/2026, 04:29
Behavioral task
behavioral1
Sample
setup_ramsaverpro.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
setup_ramsaverpro.exe
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral3
Sample
去脚本之家看看.url
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
去脚本之家看看.url
Resource
win11ltsc2024-20260709-en
Behavioral task
behavioral5
Sample
服务器软件.url
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
服务器软件.url
Resource
win11ltsc2024-20260709-en
General
- Target setup_ramsaverpro.exe
- Size 609KB
- Sample260816-e38qrszcmb
- SHA256 f5503f8ff547963d44c82806d0de34f76181e158192a232dd073512604f3a798
- MD5 c73ae2526bb00708a6531a5b36cbb7e3
- SHA1 dba77e117fc1611bad3d906f1a501643b90d63b6
- SHA512 6e9dde2e7ec16cfb17391ed514bf8e621d8b468c08882b13d82429ff51c39b6f621c4fc65d05dc882749d87e6f40714487fa8ce9977dccfedf31c4024ba1dda9
- SSDEEP 12288:V3wVSX7vL3WvL3sLqGpzrLqc1f9mxD3dMuUvCl:l+SX7vSv3azSc1liTj
- TLSH T1CCD4AE90A989C8A3F5292F3049B37B348378FED47E6B731F7D007851CAB2BD45926496
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Downloads MZ/PE file 2 IoCs
flow pid Process 13 4368 setup_ramsaverpro.exe 15 4368 setup_ramsaverpro.exe - Executes dropped EXE 3 IoCs
pid Process 956 setup.exe 3376 ramsaverpro.exe 2528 ramsaverpro.tmp - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 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 setup_ramsaverpro.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language setup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ramsaverpro.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ramsaverpro.tmp - Inno Setup is an open-source installation builder for Windows applications. 3 IoCs
Inno Setup installer
resource yara_rule behavioral2/files/0x000d00000001c54d-52.dat innosetup behavioral2/memory/3376-54-0x0000000000400000-0x000000000042A000-memory.dmp innosetup behavioral2/memory/3376-61-0x0000000000400000-0x000000000042A000-memory.dmp innosetup - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4368 wrote to memory of 956 4368 setup_ramsaverpro.exe 89 PID 956 wrote to memory of 3376 956 setup.exe 90 PID 3376 wrote to memory of 2528 3376 ramsaverpro.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\setup_ramsaverpro.exe"C:\Users\Admin\AppData\Local\Temp\setup_ramsaverpro.exe"1⤵
- Downloads MZ/PE file
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4368 -
C:\Users\Admin\AppData\Local\Temp\_wt\setup.exe"C:\Users\Admin\AppData\Local\Temp\_wt\setup.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:956 -
C:\Users\Admin\AppData\Local\Temp\_wt\ramsaverpro.exe"C:\Users\Admin\AppData\Local\Temp\_wt\ramsaverpro.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3376 -
C:\Users\Admin\AppData\Local\Temp\is-L6F30.tmp\ramsaverpro.tmp"C:\Users\Admin\AppData\Local\Temp\is-L6F30.tmp\ramsaverpro.tmp" /SL5="$F007A,939043,131584,C:\Users\Admin\AppData\Local\Temp\_wt\ramsaverpro.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2528
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\_wt\ramsaverpro.exe
- Size 1.3MB
- SHA256 6e49597a0007cb8eb7e4643b49696cfb2ea0b35442ed830a9a4b24f50a4f78d5
- MD5 edb7936ef525d8829673c7a73e14a9e3
- SHA1 5577d13fe5cc5778f817cb209ba73a8ff0e89ad1
- SHA512 a94b6566833ea5920f2d3d5a4f9673f4abd121a23b8cddea61bdb2d9fc16e90799eb3225c60e0cc24d8b28e1bea2e84e04575895957ce39b3eb6784d9842201a
- SSDEEP 24576:nBWI7sVwZtmN5KKpXl6mzUm/ET8ecJRGqDKDZVavKwHtPf3kGF3+jLqy:wIUwrmN5KywmQwDyZEdfJsh
- TLSH T1A5551342B7D305B6F4751A39D4A78070AD237DE94CE190AB2EB8FB0E05BC6C18D75B62
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_wt\setup.exe
- Size 245KB
- SHA256 80cecad07dceb2b3be780e4154d12ce5d6940c14f266388cd56ec8a4f6e9a315
- MD5 972f530ad670a56a203a401d5660dd1b
- SHA1 f9ea724f07a7527748595eeb6bcab78dda18f902
- SHA512 7ffd405ca2de64339ff078a189b4243eb6baf067afa38341a7eb85db64f5602bc422c78efef0afacf4604a387fe6d602a6d47eaf95a319198699ee359a8ce601
- SSDEEP 3072:M7OomwapHn7ZNLeYnkLauEVX/YmUGbUphRDkzWVqhiSdGbUphRDkzWVqhiSzGiXG:COkeZNwucTRDkz7TRDkzRGiW
- TLSH T1AA34BE43BBA4DCB0F0358C307460D8711A7B7AAC8ECC8A7F55DD52E8AF314849D75A6A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_wt\setup.ini
- Size 49B
- SHA256 6ade7000f0888112628f322c90d20205641b55529636caacb2cea3360c35d2c3
- MD5 bf12910289f582fa353257f3f9bfb9c3
- SHA1 7e88d8d8b4f9e0eafd302c7688d3e276a064bdff
- SHA512 ef46a8a4fa528270253219e68168877bb554c6bc0f0711a71fd2c256e24c3c24b89ad211f878e6764ca62fbc859136780d5f2a69571a8c3e64b9025751da1cb9
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\is-L6F30.tmp\ramsaverpro.tmp
- Size 1.1MB
- SHA256 3cb3e7ae8550ac25c8c1d56803a97641856d09c4c03ec2497f78c6c5a6cf1b09
- MD5 89ddc16398f93a8e504caa545c20424c
- SHA1 bf17ecdadb24dcc6ab2ec41a1b47df6a13e1a00b
- SHA512 c6eb90ab15638f500e59cb7fc60f36ee768a823ac4cdca834870be099f221b23a9d778671d1a4ea5a3c7bf544f321e49d7545c4a728c188fe90d8ca4f5b2d355
- SSDEEP 24576:1tdAm9DUi/CR3wCkCiRgoG7hBaHkbEXXeG/jFt5XYTx9mm:7qTytRFk6ek1X6F
- TLSH T12D453A22A3D24437D5732F759D6BC2945C367E202EA4E54A7EF8AE0C0E39B41BD35392
- MD5 SHA1 SHA512 SSDEEP TLSH