Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
22/04/2026, 22:51
Behavioral task
behavioral1
Sample
cbdd7a0b61631ab496e60787c571f52783c4626d7753cc3ec85066c327aa6a01.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
cbdd7a0b61631ab496e60787c571f52783c4626d7753cc3ec85066c327aa6a01.exe
Resource
win11-20260130-en
windows11-21h2-x64
10 signatures
150 seconds
General
- Target cbdd7a0b61631ab496e60787c571f52783c4626d7753cc3ec85066c327aa6a01.exe
- Size 638KB
- Sample260422-2s34vsft6k
- SHA256 cbdd7a0b61631ab496e60787c571f52783c4626d7753cc3ec85066c327aa6a01
- MD5 f5e418ab43a3e1aee595c5d244611457
- SHA1 1815ee28d312cf9f903dfa565196b68bbe1d157f
- SHA512 9ba526c107f001f8504fd40272847e4e217c087543d81a07ab1c8d9a9ffa296861a778adcabf44dcd099a14db197b286517ae2a8dc31c399de953ab22043ac09
- SSDEEP 6144:bcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8KU5R2:bSvO2x9mONvKRwLSFtsOkx2LIa+ya5g
- TLSH T118D46B26B6908037C0B74675C5B64BAAFAB5BC21631186CFA380761A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4788 97f4def6 - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 100 223.5.5.5 2540 cbdd7a0b61631ab496e60787c571f52783c4626d7753cc3ec85066c327aa6a01.exe Destination IP 5 114.114.114.114 2540 cbdd7a0b61631ab496e60787c571f52783c4626d7753cc3ec85066c327aa6a01.exe Destination IP 6 223.5.5.5 2540 cbdd7a0b61631ab496e60787c571f52783c4626d7753cc3ec85066c327aa6a01.exe Destination IP 38 114.114.114.114 2540 cbdd7a0b61631ab496e60787c571f52783c4626d7753cc3ec85066c327aa6a01.exe Destination IP 40 223.5.5.5 2540 cbdd7a0b61631ab496e60787c571f52783c4626d7753cc3ec85066c327aa6a01.exe Destination IP 99 114.114.114.114 2540 cbdd7a0b61631ab496e60787c571f52783c4626d7753cc3ec85066c327aa6a01.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 97f4def6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 97f4def6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 97f4def6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 97f4def6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 97f4def6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 97f4def6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 97f4def6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 97f4def6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 97f4def6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 97f4def6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 97f4def6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 97f4def6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 97f4def6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 97f4def6 File created C:\Windows\SysWOW64\97f4def6 cbdd7a0b61631ab496e60787c571f52783c4626d7753cc3ec85066c327aa6a01.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 97f4def6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 97f4def6 -
resource yara_rule behavioral1/memory/2540-0-0x0000000000FA0000-0x000000000102C000-memory.dmp upx behavioral1/files/0x001c00000002424b-2.dat upx behavioral1/memory/4788-3-0x0000000000020000-0x00000000000AC000-memory.dmp upx behavioral1/memory/2540-15-0x0000000000FA0000-0x000000000102C000-memory.dmp upx behavioral1/memory/4788-17-0x0000000000020000-0x00000000000AC000-memory.dmp upx behavioral1/memory/4788-42-0x0000000000020000-0x00000000000AC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\51f8e8 97f4def6 File opened for modification C:\Windows\2b7c58 cbdd7a0b61631ab496e60787c571f52783c4626d7753cc3ec85066c327aa6a01.exe - System Location Discovery: System Language Discovery 1 TTPs 2 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 cbdd7a0b61631ab496e60787c571f52783c4626d7753cc3ec85066c327aa6a01.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 97f4def6 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 97f4def6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 97f4def6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 97f4def6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 97f4def6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 97f4def6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 97f4def6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 97f4def6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 97f4def6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 97f4def6 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4788 97f4def6 4788 97f4def6 4788 97f4def6 4788 97f4def6 4788 97f4def6 4788 97f4def6 4788 97f4def6 4788 97f4def6 2540 cbdd7a0b61631ab496e60787c571f52783c4626d7753cc3ec85066c327aa6a01.exe 2540 cbdd7a0b61631ab496e60787c571f52783c4626d7753cc3ec85066c327aa6a01.exe 2540 cbdd7a0b61631ab496e60787c571f52783c4626d7753cc3ec85066c327aa6a01.exe 2540 cbdd7a0b61631ab496e60787c571f52783c4626d7753cc3ec85066c327aa6a01.exe 2540 cbdd7a0b61631ab496e60787c571f52783c4626d7753cc3ec85066c327aa6a01.exe 2540 cbdd7a0b61631ab496e60787c571f52783c4626d7753cc3ec85066c327aa6a01.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2540 cbdd7a0b61631ab496e60787c571f52783c4626d7753cc3ec85066c327aa6a01.exe Token: SeTcbPrivilege 2540 cbdd7a0b61631ab496e60787c571f52783c4626d7753cc3ec85066c327aa6a01.exe Token: SeDebugPrivilege 4788 97f4def6 Token: SeTcbPrivilege 4788 97f4def6
Processes
-
C:\Users\Admin\AppData\Local\Temp\cbdd7a0b61631ab496e60787c571f52783c4626d7753cc3ec85066c327aa6a01.exe"C:\Users\Admin\AppData\Local\Temp\cbdd7a0b61631ab496e60787c571f52783c4626d7753cc3ec85066c327aa6a01.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2540
-
C:\Windows\Syswow64\97f4def6C:\Windows\Syswow64\97f4def61⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4788
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\97f4def6
- Size 638KB
- SHA256 5818901c23d40f41fa377fe56ecd8aef4c3714c5a6869c6217ce00b65f6bf66e
- MD5 646e144a740bd816464f0dce8c45abac
- SHA1 374bae14f41e2e91f770eb2adef7e31e68cbd120
- SHA512 9e99c0ed04d4fd655f411d9206a2bf69b9daec2c6063cf41a8c77944fffd839f27a829cfd81794580eb53ad6be38f7a0c4f7df3f8e5d0bf4d72b35bb18505b04
- SSDEEP 6144:FcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8KU5R2:FSvO2x9mONvKRwLSFtsOkx2LIa+ya5g
- TLSH T1C6D46B26B6908037C0B74675C5B64BAAFAB5BC21631186CFA380761A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH