Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
20/04/2026, 23:16
Behavioral task
behavioral1
Sample
d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe
- Size 640KB
- Sample260420-285ydsft2j
- SHA256 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb
- MD5 79c063207d06fde6814e103a1f2c4e91
- SHA1 aa02e7bc014f8578ecc1f090c54fde8f6ed863d5
- SHA512 a14115ce0c45fd24c2c419126339a1eb061c250e42bd1d78b23fff227d574087bb7e82e2d675420f3f040bf602c36ab80e808367bba760786479b129c02852c2
- SSDEEP 6144:zcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:zSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T196D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4932 f9698aed - Unexpected DNS network traffic destination 12 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 2 223.5.5.5 4924 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe Destination IP 61 114.114.114.114 4924 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe Destination IP 121 223.5.5.5 4924 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe Destination IP 124 114.114.114.114 4932 f9698aed Destination IP 131 223.5.5.5 4924 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe Destination IP 198 223.5.5.5 4924 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe Destination IP 1 114.114.114.114 4924 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe Destination IP 35 114.114.114.114 4924 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe Destination IP 36 223.5.5.5 4924 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe Destination IP 63 223.5.5.5 4924 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe Destination IP 120 114.114.114.114 4924 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe Destination IP 197 114.114.114.114 4924 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f9698aed File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f9698aed File created C:\Windows\SysWOW64\f9698aed d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f9698aed File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f9698aed File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f9698aed File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f9698aed File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f9698aed File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f9698aed File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f9698aed File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f9698aed File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f9698aed File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f9698aed File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f9698aed File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f9698aed -
resource yara_rule behavioral2/memory/4924-0-0x0000000000530000-0x00000000005BC000-memory.dmp upx behavioral2/files/0x0012000000026154-2.dat upx behavioral2/memory/4932-4-0x0000000000950000-0x00000000009DC000-memory.dmp upx behavioral2/memory/4924-18-0x0000000000530000-0x00000000005BC000-memory.dmp upx behavioral2/memory/4932-19-0x0000000000950000-0x00000000009DC000-memory.dmp upx behavioral2/memory/4932-36-0x0000000000950000-0x00000000009DC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\547008 f9698aed File opened for modification C:\Windows\544cf8 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.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 f9698aed Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f9698aed Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f9698aed Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f9698aed Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f9698aed Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f9698aed Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix f9698aed Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f9698aed Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f9698aed Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f9698aed - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4932 f9698aed 4932 f9698aed 4932 f9698aed 4932 f9698aed 4932 f9698aed 4932 f9698aed 4932 f9698aed 4932 f9698aed 4924 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe 4924 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe 4924 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe 4924 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe 4924 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe 4924 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4924 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe Token: SeTcbPrivilege 4924 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe Token: SeDebugPrivilege 4932 f9698aed Token: SeTcbPrivilege 4932 f9698aed
Processes
-
C:\Users\Admin\AppData\Local\Temp\d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe"C:\Users\Admin\AppData\Local\Temp\d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.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:4924
-
C:\Windows\Syswow64\f9698aedC:\Windows\Syswow64\f9698aed1⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:4932
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f9698aed
- Size 640KB
- SHA256 43448bfd5225ecef5daef412950294bd7d01dd06fe784a4a945f3acd0fedf166
- MD5 6d5c333e2ec3edb6a259a0daa0a92128
- SHA1 a1c855e3a13dcdb66862261c3ca224ed3ed3cd09
- SHA512 d200809dfe94268d0be451a2fc503234b72ea86a8642475cce56f8c7d8fc46296c6f57171fcd37872145026f6b4cd217e5d9c913866c6df1546e041511b74c28
- SSDEEP 6144:IcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:ISvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T1D6D45B35A6808036C0B74631C6F64BAAF9B5BC21631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH