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
06/05/2026, 19:23
Behavioral task
behavioral1
Sample
de74efcad16f9bc61fa81f676fc45b37acfb87ba9ccf41d638624ed57a26dd9d.exe
Resource
win10v2004-20260130-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
de74efcad16f9bc61fa81f676fc45b37acfb87ba9ccf41d638624ed57a26dd9d.exe
Resource
win11-20260130-en
10 signatures
150 seconds
General
- Target de74efcad16f9bc61fa81f676fc45b37acfb87ba9ccf41d638624ed57a26dd9d.exe
- Size 830KB
- Sample260506-x35yzsds7k
- SHA256 de74efcad16f9bc61fa81f676fc45b37acfb87ba9ccf41d638624ed57a26dd9d
- MD5 62d5296753f2c1ee107cf3e2fd41fb22
- SHA1 c0584f3ed84e32e2a68d27a03c2cde5cc48c38dd
- SHA512 5910487b4384c23842fa69676e742ba9a7c2e9286c3dc08d66024e23163a26f026262d236559c7a26b1617901b410cdcbc81550f64abd771fd31e5f867dc379d
- SSDEEP 12288:FSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:kvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T1A6055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4332 349b4ae5 - 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 4812 de74efcad16f9bc61fa81f676fc45b37acfb87ba9ccf41d638624ed57a26dd9d.exe Destination IP 4 223.5.5.5 4812 de74efcad16f9bc61fa81f676fc45b37acfb87ba9ccf41d638624ed57a26dd9d.exe Destination IP 25 114.114.114.114 4812 de74efcad16f9bc61fa81f676fc45b37acfb87ba9ccf41d638624ed57a26dd9d.exe Destination IP 26 223.5.5.5 4812 de74efcad16f9bc61fa81f676fc45b37acfb87ba9ccf41d638624ed57a26dd9d.exe - Drops file in System32 directory 11 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 349b4ae5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 349b4ae5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 349b4ae5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 349b4ae5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 349b4ae5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 349b4ae5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 349b4ae5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 349b4ae5 File created C:\Windows\SysWOW64\349b4ae5 de74efcad16f9bc61fa81f676fc45b37acfb87ba9ccf41d638624ed57a26dd9d.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 349b4ae5 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 349b4ae5 -
resource yara_rule behavioral1/memory/4812-0-0x0000000000B50000-0x0000000000BDC000-memory.dmp upx behavioral1/files/0x0008000000021698-2.dat upx behavioral1/memory/4332-4-0x0000000000540000-0x00000000005CC000-memory.dmp upx behavioral1/memory/4812-10-0x0000000000B50000-0x0000000000BDC000-memory.dmp upx behavioral1/memory/4332-12-0x0000000000540000-0x00000000005CC000-memory.dmp upx behavioral1/memory/4332-36-0x0000000000540000-0x00000000005CC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4a2a58 349b4ae5 File opened for modification C:\Windows\526218 de74efcad16f9bc61fa81f676fc45b37acfb87ba9ccf41d638624ed57a26dd9d.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 de74efcad16f9bc61fa81f676fc45b37acfb87ba9ccf41d638624ed57a26dd9d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 349b4ae5 - 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" 349b4ae5 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 349b4ae5 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 349b4ae5 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 349b4ae5 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 349b4ae5 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 349b4ae5 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 349b4ae5 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 349b4ae5 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 349b4ae5 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4332 349b4ae5 4332 349b4ae5 4332 349b4ae5 4332 349b4ae5 4332 349b4ae5 4332 349b4ae5 4332 349b4ae5 4332 349b4ae5 4812 de74efcad16f9bc61fa81f676fc45b37acfb87ba9ccf41d638624ed57a26dd9d.exe 4812 de74efcad16f9bc61fa81f676fc45b37acfb87ba9ccf41d638624ed57a26dd9d.exe 4812 de74efcad16f9bc61fa81f676fc45b37acfb87ba9ccf41d638624ed57a26dd9d.exe 4812 de74efcad16f9bc61fa81f676fc45b37acfb87ba9ccf41d638624ed57a26dd9d.exe 4812 de74efcad16f9bc61fa81f676fc45b37acfb87ba9ccf41d638624ed57a26dd9d.exe 4812 de74efcad16f9bc61fa81f676fc45b37acfb87ba9ccf41d638624ed57a26dd9d.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4812 de74efcad16f9bc61fa81f676fc45b37acfb87ba9ccf41d638624ed57a26dd9d.exe Token: SeTcbPrivilege 4812 de74efcad16f9bc61fa81f676fc45b37acfb87ba9ccf41d638624ed57a26dd9d.exe Token: SeDebugPrivilege 4332 349b4ae5 Token: SeTcbPrivilege 4332 349b4ae5
Processes
-
C:\Users\Admin\AppData\Local\Temp\de74efcad16f9bc61fa81f676fc45b37acfb87ba9ccf41d638624ed57a26dd9d.exe"C:\Users\Admin\AppData\Local\Temp\de74efcad16f9bc61fa81f676fc45b37acfb87ba9ccf41d638624ed57a26dd9d.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:4812
-
C:\Windows\Syswow64\349b4ae5C:\Windows\Syswow64\349b4ae51⤵
- 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:4332
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\349b4ae5
- Size 830KB
- SHA256 b47f832df2a9927e933ec4a6c0035dc25fcbe95f975dde73ff2ec65749449e33
- MD5 1eb65ef18549cbf1b0d7a074fc42fe39
- SHA1 689ad821286330eb4e115d5be718ec59caa7c16f
- SHA512 0074305338844a15907a22923f1559d0f78bdf961e653cd48b31ab82d1656be4ba34da97f2a784e3e116b1070b8c7be2486a9ec28450e70e73b995bb6fbc8ad8
- SSDEEP 12288:GSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:lvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T120055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH