Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
04/05/2026, 18:06
Behavioral task
behavioral1
Sample
99a47d06231238501a1b69c7192723a4329b888fc378dc2da8fbbd71c332ebb6.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 99a47d06231238501a1b69c7192723a4329b888fc378dc2da8fbbd71c332ebb6.exe
- Size 548KB
- Sample260504-wp71radx8p
- SHA256 99a47d06231238501a1b69c7192723a4329b888fc378dc2da8fbbd71c332ebb6
- MD5 ec1ae874bd459a7b57e8dd4f0baea0a3
- SHA1 cbecd2b6cdef0dc8e434a1a79ce6cd07115f6de1
- SHA512 ca918ea0c7052f8b9012b1704ad791b010c55470080a3c5cae55f05ed20eda98a3b94511083648cbd31143d1e88d21b4ce55da3fb81ba8b9cf9895ebf324af2b
- SSDEEP 12288:IkbOgbKcMoxy9RLW3uqXUHkUXe39+Okx2LIa:JbOgbEqy9RKejHPOwOkx2LF
- TLSH T15BC4AE26F6A0C032C4B79574C4A34AAAFBB1742167204ACFA395475A1F737E2BE3531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4700 afc12c36 - Unexpected DNS network traffic destination 4 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 3 114.114.114.114 4680 99a47d06231238501a1b69c7192723a4329b888fc378dc2da8fbbd71c332ebb6.exe Destination IP 4 223.5.5.5 4680 99a47d06231238501a1b69c7192723a4329b888fc378dc2da8fbbd71c332ebb6.exe Destination IP 26 114.114.114.114 4680 99a47d06231238501a1b69c7192723a4329b888fc378dc2da8fbbd71c332ebb6.exe Destination IP 29 223.5.5.5 4680 99a47d06231238501a1b69c7192723a4329b888fc378dc2da8fbbd71c332ebb6.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft afc12c36 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData afc12c36 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 afc12c36 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE afc12c36 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 afc12c36 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content afc12c36 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies afc12c36 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 afc12c36 File created C:\Windows\SysWOW64\afc12c36 99a47d06231238501a1b69c7192723a4329b888fc378dc2da8fbbd71c332ebb6.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache afc12c36 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 afc12c36 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 afc12c36 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 afc12c36 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C afc12c36 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C afc12c36 -
resource yara_rule behavioral1/memory/4680-0-0x0000000000A60000-0x0000000000AE9000-memory.dmp upx behavioral1/files/0x000a000000021655-2.dat upx behavioral1/memory/4700-4-0x0000000000400000-0x0000000000489000-memory.dmp upx behavioral1/memory/4680-13-0x0000000000A60000-0x0000000000AE9000-memory.dmp upx behavioral1/memory/4700-15-0x0000000000400000-0x0000000000489000-memory.dmp upx behavioral1/memory/4680-30-0x0000000000A60000-0x0000000000AE9000-memory.dmp upx behavioral1/memory/4700-31-0x0000000000400000-0x0000000000489000-memory.dmp upx behavioral1/memory/4700-41-0x0000000000400000-0x0000000000489000-memory.dmp upx behavioral1/memory/4680-43-0x0000000000A60000-0x0000000000AE9000-memory.dmp upx behavioral1/memory/4680-47-0x0000000000A60000-0x0000000000AE9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\507738 afc12c36 File opened for modification C:\Windows\501f90 99a47d06231238501a1b69c7192723a4329b888fc378dc2da8fbbd71c332ebb6.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 99a47d06231238501a1b69c7192723a4329b888fc378dc2da8fbbd71c332ebb6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language afc12c36 - 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\Content\CachePrefix afc12c36 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" afc12c36 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ afc12c36 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" afc12c36 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" afc12c36 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing afc12c36 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" afc12c36 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" afc12c36 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" afc12c36 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4700 afc12c36 4700 afc12c36 4700 afc12c36 4700 afc12c36 4700 afc12c36 4700 afc12c36 4700 afc12c36 4700 afc12c36 4680 99a47d06231238501a1b69c7192723a4329b888fc378dc2da8fbbd71c332ebb6.exe 4680 99a47d06231238501a1b69c7192723a4329b888fc378dc2da8fbbd71c332ebb6.exe 4680 99a47d06231238501a1b69c7192723a4329b888fc378dc2da8fbbd71c332ebb6.exe 4680 99a47d06231238501a1b69c7192723a4329b888fc378dc2da8fbbd71c332ebb6.exe 4680 99a47d06231238501a1b69c7192723a4329b888fc378dc2da8fbbd71c332ebb6.exe 4680 99a47d06231238501a1b69c7192723a4329b888fc378dc2da8fbbd71c332ebb6.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4680 99a47d06231238501a1b69c7192723a4329b888fc378dc2da8fbbd71c332ebb6.exe Token: SeTcbPrivilege 4680 99a47d06231238501a1b69c7192723a4329b888fc378dc2da8fbbd71c332ebb6.exe Token: SeDebugPrivilege 4700 afc12c36 Token: SeTcbPrivilege 4700 afc12c36
Processes
-
C:\Users\Admin\AppData\Local\Temp\99a47d06231238501a1b69c7192723a4329b888fc378dc2da8fbbd71c332ebb6.exe"C:\Users\Admin\AppData\Local\Temp\99a47d06231238501a1b69c7192723a4329b888fc378dc2da8fbbd71c332ebb6.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:4680
-
C:\Windows\Syswow64\afc12c36C:\Windows\Syswow64\afc12c361⤵
- 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:4700
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\afc12c36
- Size 548KB
- SHA256 ed14914d2a70ae3dafd03530d808a74a94ce2d6b8eb9bd312040bbe063609ec6
- MD5 c6d23f27ca8e5d64a94c7a8b5055d5b5
- SHA1 ab89bdb030bbc4d348ca1deb50c4dc85c297d33f
- SHA512 c5ff0ffb39fb05632f800c39b6e71667ce4279f546f4c27241d7d6cfdd122afa1926db0984b8ef1b70c0483cbd0d46293036702c2c388f50719d70941217394e
- SSDEEP 12288:2kbOgbKcMoxy9RLW3uqXUHkUXe39+Okx2LIa:fbOgbEqy9RKejHPOwOkx2LF
- TLSH T1F5C4AE26F6A0C032C4B79574C4A34AAAFBB1742167204ACFA395475A1F737E2BE3531D
- MD5 SHA1 SHA512 SSDEEP TLSH