Analysis
- max time kernel
149s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
26/04/2026, 22:26
Behavioral task
behavioral1
Sample
5970523c822ca9e8b047b6377e7ff2e483c6ac2342bc7a539c4ce48fdd1c78a1.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 5970523c822ca9e8b047b6377e7ff2e483c6ac2342bc7a539c4ce48fdd1c78a1.exe
- Size 576KB
- Sample260426-2cl6eahw4w
- SHA256 5970523c822ca9e8b047b6377e7ff2e483c6ac2342bc7a539c4ce48fdd1c78a1
- MD5 94a31c209261d30cfa9754aec51c7535
- SHA1 e3df25693ea457c86d153eee0a71a4ba1ab73553
- SHA512 3a3b89da3b24453ef227d067bf1e0d1a499228f778b8d7932225382bb01484cf86457c061d7e5cc45cbf74132a9723e22a4902eb4946cd343640283133b50e48
- SSDEEP 12288:6qXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:6jHPOSOkx2LFscUQPK
- TLSH T1C3C47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4880 39282dd6 - 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 4572 5970523c822ca9e8b047b6377e7ff2e483c6ac2342bc7a539c4ce48fdd1c78a1.exe Destination IP 4 223.5.5.5 4572 5970523c822ca9e8b047b6377e7ff2e483c6ac2342bc7a539c4ce48fdd1c78a1.exe Destination IP 35 114.114.114.114 4572 5970523c822ca9e8b047b6377e7ff2e483c6ac2342bc7a539c4ce48fdd1c78a1.exe Destination IP 37 223.5.5.5 4572 5970523c822ca9e8b047b6377e7ff2e483c6ac2342bc7a539c4ce48fdd1c78a1.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 39282dd6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 39282dd6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 39282dd6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 39282dd6 File created C:\Windows\SysWOW64\39282dd6 5970523c822ca9e8b047b6377e7ff2e483c6ac2342bc7a539c4ce48fdd1c78a1.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 39282dd6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 39282dd6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 39282dd6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 39282dd6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 39282dd6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 39282dd6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 39282dd6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 39282dd6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 39282dd6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 39282dd6 -
resource yara_rule behavioral1/memory/4572-0-0x0000000000A90000-0x0000000000B19000-memory.dmp upx behavioral1/files/0x00050000000231a5-3.dat upx behavioral1/memory/4880-4-0x0000000000EA0000-0x0000000000F29000-memory.dmp upx behavioral1/memory/4572-18-0x0000000000A90000-0x0000000000B19000-memory.dmp upx behavioral1/memory/4880-21-0x0000000000EA0000-0x0000000000F29000-memory.dmp upx behavioral1/memory/4572-30-0x0000000000A90000-0x0000000000B19000-memory.dmp upx behavioral1/memory/4880-31-0x0000000000EA0000-0x0000000000F29000-memory.dmp upx behavioral1/memory/4880-33-0x0000000000EA0000-0x0000000000F29000-memory.dmp upx behavioral1/memory/4572-52-0x0000000000A90000-0x0000000000B19000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\538c20 39282dd6 File opened for modification C:\Windows\4e4638 5970523c822ca9e8b047b6377e7ff2e483c6ac2342bc7a539c4ce48fdd1c78a1.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 5970523c822ca9e8b047b6377e7ff2e483c6ac2342bc7a539c4ce48fdd1c78a1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 39282dd6 - 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 39282dd6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 39282dd6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 39282dd6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 39282dd6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 39282dd6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 39282dd6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 39282dd6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 39282dd6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 39282dd6 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4880 39282dd6 4880 39282dd6 4880 39282dd6 4880 39282dd6 4880 39282dd6 4880 39282dd6 4880 39282dd6 4880 39282dd6 4572 5970523c822ca9e8b047b6377e7ff2e483c6ac2342bc7a539c4ce48fdd1c78a1.exe 4572 5970523c822ca9e8b047b6377e7ff2e483c6ac2342bc7a539c4ce48fdd1c78a1.exe 4572 5970523c822ca9e8b047b6377e7ff2e483c6ac2342bc7a539c4ce48fdd1c78a1.exe 4572 5970523c822ca9e8b047b6377e7ff2e483c6ac2342bc7a539c4ce48fdd1c78a1.exe 4572 5970523c822ca9e8b047b6377e7ff2e483c6ac2342bc7a539c4ce48fdd1c78a1.exe 4572 5970523c822ca9e8b047b6377e7ff2e483c6ac2342bc7a539c4ce48fdd1c78a1.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4572 5970523c822ca9e8b047b6377e7ff2e483c6ac2342bc7a539c4ce48fdd1c78a1.exe Token: SeTcbPrivilege 4572 5970523c822ca9e8b047b6377e7ff2e483c6ac2342bc7a539c4ce48fdd1c78a1.exe Token: SeDebugPrivilege 4880 39282dd6 Token: SeTcbPrivilege 4880 39282dd6
Processes
-
C:\Users\Admin\AppData\Local\Temp\5970523c822ca9e8b047b6377e7ff2e483c6ac2342bc7a539c4ce48fdd1c78a1.exe"C:\Users\Admin\AppData\Local\Temp\5970523c822ca9e8b047b6377e7ff2e483c6ac2342bc7a539c4ce48fdd1c78a1.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:4572
-
C:\Windows\Syswow64\39282dd6C:\Windows\Syswow64\39282dd61⤵
- 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:4880
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\39282dd6
- Size 576KB
- SHA256 8c75f6c2cfc830dcf8d67278ce947b6ce6dee0e1c4069a1f8bec853ce41fd570
- MD5 d999b650612bc1440dcb35c444d4f34c
- SHA1 137102a0d0178f11780ad45bf798dbb4a4d45279
- SHA512 ec4e45c0a48b83c75824b2e83709e59ad1e71d8186bc6c68f88530609116051a49eb689b921ebaf74b8cb32c58b4f14ed1a24459d4c9d19fe4a670904af42707
- SSDEEP 12288:+qXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3K:+jHPOSOkx2LFscUQPK
- TLSH T1DDC47C31E201C03AD1A74572C6FE0BAFA568BD24431562C7A3D479762FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH