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
24/04/2026, 10:01
Behavioral task
behavioral1
Sample
ab51a476c4b8482493f8f3202d80957842aca62860ec3ea4f3c3bfc54e0ad70a.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
ab51a476c4b8482493f8f3202d80957842aca62860ec3ea4f3c3bfc54e0ad70a.exe
Resource
win11-20260130-en
windows11-21h2-x64
10 signatures
150 seconds
General
- Target ab51a476c4b8482493f8f3202d80957842aca62860ec3ea4f3c3bfc54e0ad70a.exe
- Size 560KB
- Sample260424-l2j5caew2w
- SHA256 ab51a476c4b8482493f8f3202d80957842aca62860ec3ea4f3c3bfc54e0ad70a
- MD5 f0eabbe3a4a96ad46a6bcaca3e8e19c8
- SHA1 32fe293ea6309c1699a1cee86dfb6c9aa1c9fb66
- SHA512 54410e73b94e67a0d75a5631c404069f98997be76ac0441fb168f18a584578155fd7c5b370367ff0c4e873337ef36446525a86fe781f9fb84b5a8c9499310542
- SSDEEP 6144:q4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:qrNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T1E5C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4284 de72a1e4 - 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 4 223.5.5.5 3512 ab51a476c4b8482493f8f3202d80957842aca62860ec3ea4f3c3bfc54e0ad70a.exe Destination IP 42 114.114.114.114 3512 ab51a476c4b8482493f8f3202d80957842aca62860ec3ea4f3c3bfc54e0ad70a.exe Destination IP 44 223.5.5.5 3512 ab51a476c4b8482493f8f3202d80957842aca62860ec3ea4f3c3bfc54e0ad70a.exe Destination IP 3 114.114.114.114 3512 ab51a476c4b8482493f8f3202d80957842aca62860ec3ea4f3c3bfc54e0ad70a.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 de72a1e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache de72a1e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 de72a1e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 de72a1e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 de72a1e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData de72a1e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C de72a1e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 de72a1e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 de72a1e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft de72a1e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content de72a1e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C de72a1e4 File created C:\Windows\SysWOW64\de72a1e4 ab51a476c4b8482493f8f3202d80957842aca62860ec3ea4f3c3bfc54e0ad70a.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE de72a1e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies de72a1e4 -
resource yara_rule behavioral1/memory/3512-0-0x0000000000C10000-0x0000000000C9C000-memory.dmp upx behavioral1/files/0x000b00000001e6d1-2.dat upx behavioral1/memory/4284-4-0x0000000000A30000-0x0000000000ABC000-memory.dmp upx behavioral1/memory/3512-13-0x0000000000C10000-0x0000000000C9C000-memory.dmp upx behavioral1/memory/4284-14-0x0000000000A30000-0x0000000000ABC000-memory.dmp upx behavioral1/memory/4284-32-0x0000000000A30000-0x0000000000ABC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3c2070 ab51a476c4b8482493f8f3202d80957842aca62860ec3ea4f3c3bfc54e0ad70a.exe File opened for modification C:\Windows\4957f8 de72a1e4 - 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 ab51a476c4b8482493f8f3202d80957842aca62860ec3ea4f3c3bfc54e0ad70a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language de72a1e4 - 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:" de72a1e4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" de72a1e4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" de72a1e4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" de72a1e4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing de72a1e4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix de72a1e4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ de72a1e4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" de72a1e4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" de72a1e4 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4284 de72a1e4 4284 de72a1e4 4284 de72a1e4 4284 de72a1e4 4284 de72a1e4 4284 de72a1e4 4284 de72a1e4 4284 de72a1e4 3512 ab51a476c4b8482493f8f3202d80957842aca62860ec3ea4f3c3bfc54e0ad70a.exe 3512 ab51a476c4b8482493f8f3202d80957842aca62860ec3ea4f3c3bfc54e0ad70a.exe 3512 ab51a476c4b8482493f8f3202d80957842aca62860ec3ea4f3c3bfc54e0ad70a.exe 3512 ab51a476c4b8482493f8f3202d80957842aca62860ec3ea4f3c3bfc54e0ad70a.exe 3512 ab51a476c4b8482493f8f3202d80957842aca62860ec3ea4f3c3bfc54e0ad70a.exe 3512 ab51a476c4b8482493f8f3202d80957842aca62860ec3ea4f3c3bfc54e0ad70a.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3512 ab51a476c4b8482493f8f3202d80957842aca62860ec3ea4f3c3bfc54e0ad70a.exe Token: SeTcbPrivilege 3512 ab51a476c4b8482493f8f3202d80957842aca62860ec3ea4f3c3bfc54e0ad70a.exe Token: SeDebugPrivilege 4284 de72a1e4 Token: SeTcbPrivilege 4284 de72a1e4
Processes
-
C:\Users\Admin\AppData\Local\Temp\ab51a476c4b8482493f8f3202d80957842aca62860ec3ea4f3c3bfc54e0ad70a.exe"C:\Users\Admin\AppData\Local\Temp\ab51a476c4b8482493f8f3202d80957842aca62860ec3ea4f3c3bfc54e0ad70a.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:3512
-
C:\Windows\Syswow64\de72a1e4C:\Windows\Syswow64\de72a1e41⤵
- 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:4284
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\de72a1e4
- Size 560KB
- SHA256 901d93bc14e2148c0b0bda1635437d21665c250add39c121b40083bae4df8486
- MD5 2fc039c8dbbe8654a33d89abfbc8855a
- SHA1 d172cd7c7477983d72291d736c47a07e3b555600
- SHA512 2c6d03ccdbdc89c7687bf892445a87366282b48949c948d988889e24abd0a364e0f530680b4562000923684d2b2e3aa30850f7a9bd612ba86c965de609e96f93
- SSDEEP 6144:94ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:9rNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T1AEC48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH