Analysis
- max time kernel
58s - max time network
53s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/10/2026, 19:09
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe
Resource
win10v2004-20260911-en
8 signatures
60 seconds
General
- Target c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe
- Size 1.1MB
- Sample261020-xt41bsdx71
- SHA256 c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1
- MD5 85c585bd693f2f7af63f389e3007b353
- SHA1 5cb9efd49186597e3dbaadeaa887448d54a860d7
- SHA512 1685f0aa9f26a8b0e9842b40940253fad7ef59955c4fead405ea7ed2a02238938697c34718a0961f19a546d79d38cf9caa0d74fc5577421ab7894327d1b84387
- SSDEEP 1536:EC/XxJ774qWE9iYUbRdYT/nK++oIKyC8e6UfSUVatb+EpIY6h7JAI:ECfx174qWFHonv8elfSUOSD
- TLSH T144356B6EBDD549F2C75E81B85E81CBA4B453FCB95AB2C23E7120709A183DD233572643
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
asyncrat
Botnet
-
Default
C2
-
188.220.171.179:3232
Attributes
-
delay
1
-
install
false
-
install_folder
%AppData%
aes.plain
Signatures
- Async RAT payload 1 IoCs
resource yara_rule behavioral2/files/0x000e00000001c461-13.dat family_asyncrat - Executes dropped EXE 1 IoCs
pid Process 4896 40.EXE - Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\B: c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe File opened (read-only) \??\J: c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe File opened (read-only) \??\L: c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe File opened (read-only) \??\M: c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe File opened (read-only) \??\T: c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe File opened (read-only) \??\X: c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe File opened (read-only) \??\A: c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe File opened (read-only) \??\D: c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe File opened (read-only) \??\I: c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe File opened (read-only) \??\O: c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe File opened (read-only) \??\P: c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe File opened (read-only) \??\Q: c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe File opened (read-only) \??\Z: c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe File opened (read-only) \??\G: c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe File opened (read-only) \??\H: c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe File opened (read-only) \??\N: c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe File opened (read-only) \??\R: c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe File opened (read-only) \??\U: c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe File opened (read-only) \??\V: c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe File opened (read-only) \??\Y: c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe File opened (read-only) \??\K: c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe File opened (read-only) \??\S: c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe File opened (read-only) \??\W: c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe - System Location Discovery: System Language Discovery 1 TTPs 1 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 c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 4092 c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe Token: SeCreatePagefilePrivilege 4092 c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4092 c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4092 wrote to memory of 4896 4092 c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe"C:\Users\Admin\AppData\Local\Temp\c21fe9bb4e367944e6c021f52f74c8f322aa0b094f920825df9e9ee7bdc759a1.exe"1⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4092 -
C:\Users\Admin\AppData\Local\Temp\40.EXEC:\Users\Admin\AppData\Local\Temp\40.EXE2⤵
- Executes dropped EXE
PID:4896
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML.bak
- Size 9KB
- SHA256 cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b
- MD5 7050d5ae8acfbe560fa11073fef8185d
- SHA1 5bc38e77ff06785fe0aec5a345c4ccd15752560e
- SHA512 a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b
- SSDEEP 96:/YkZRAF6zyHUhm77yB1pZYCEnfHrHH7B6xTGH+YCLV3zwULJEYCJWyHBt3zwFRh+:/2FV0bBPCfUdY
- TLSH T10022A2A194818DD206290E275DB95C0DDA8CE9D3832C24997C9EEB7FDFB1C00355FB6A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\40.EXE
- Size 63KB
- SHA256 74a63da76be8eaebdb7b5e10f053adc1fb112020c63a234e78a531edb59e8f49
- MD5 0d3664bab0d30d4a76b9109197bb3a96
- SHA1 2a953c841d833e0350a3d2e704546845316eea45
- SHA512 271c068f55d901f2648bfa273051a63c3ba06e9bee2a4411f4649f1e03f194ee1c5e1c72d64eeead15a8adb245ff27d46d3ad11dfcd5a81247e60f926cd09cb5
- SSDEEP 768:nnuguX1wbgyX78dIC8A+Xk315KSVl7BJ11+T49SBGHmDbDaphboXjuNRSSuwdpqM:nvCCPT+lxeYUbMhyj4PuwdpqKmY7
- TLSH T160536B003B98C966E2AE46B8BCF3550106B1D1772112DB1E7CC860CB6B9FFC54A526FE
- MD5 SHA1 SHA512 SSDEEP TLSH