Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/05/2026, 20:21
Behavioral task
behavioral1
Sample
5ba7c37e0871c179eb4a0a5365c25968055c9c29f39d2ddef92f6235682fe381.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
5ba7c37e0871c179eb4a0a5365c25968055c9c29f39d2ddef92f6235682fe381.exe
Resource
win11-20260130-en
windows11-21h2-x64
10 signatures
150 seconds
General
- Target 5ba7c37e0871c179eb4a0a5365c25968055c9c29f39d2ddef92f6235682fe381.exe
- Size 560KB
- Sample260502-y4246aft7z
- SHA256 5ba7c37e0871c179eb4a0a5365c25968055c9c29f39d2ddef92f6235682fe381
- MD5 4785573deba8d84f9b1b3c952d53ec85
- SHA1 396bf9c10dbe6add9031e04cabb046e3d7bda200
- SHA512 83a7c7578431260f1737ced5c6e1df4fec38da532dae29f76ef2d43ff1667f65d7f63f44219f590f38e5574af18b0ccf72745ed65886e353b83cc2b69f68a31a
- SSDEEP 6144:TWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:TkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T121C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 824 d1bf8dae - 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 3740 5ba7c37e0871c179eb4a0a5365c25968055c9c29f39d2ddef92f6235682fe381.exe Destination IP 44 114.114.114.114 3740 5ba7c37e0871c179eb4a0a5365c25968055c9c29f39d2ddef92f6235682fe381.exe Destination IP 45 223.5.5.5 3740 5ba7c37e0871c179eb4a0a5365c25968055c9c29f39d2ddef92f6235682fe381.exe Destination IP 3 114.114.114.114 3740 5ba7c37e0871c179eb4a0a5365c25968055c9c29f39d2ddef92f6235682fe381.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache d1bf8dae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d1bf8dae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d1bf8dae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 d1bf8dae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies d1bf8dae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 d1bf8dae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 d1bf8dae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d1bf8dae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE d1bf8dae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft d1bf8dae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData d1bf8dae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content d1bf8dae File created C:\Windows\SysWOW64\d1bf8dae 5ba7c37e0871c179eb4a0a5365c25968055c9c29f39d2ddef92f6235682fe381.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 d1bf8dae File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d1bf8dae -
resource yara_rule behavioral1/memory/3740-0-0x0000000000F40000-0x0000000000FCC000-memory.dmp upx behavioral1/files/0x000f000000024189-2.dat upx behavioral1/memory/824-3-0x0000000000A50000-0x0000000000ADC000-memory.dmp upx behavioral1/memory/3740-18-0x0000000000F40000-0x0000000000FCC000-memory.dmp upx behavioral1/memory/824-19-0x0000000000A50000-0x0000000000ADC000-memory.dmp upx behavioral1/memory/824-24-0x0000000000A50000-0x0000000000ADC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\e1b70 d1bf8dae File opened for modification C:\Windows\4007b8 5ba7c37e0871c179eb4a0a5365c25968055c9c29f39d2ddef92f6235682fe381.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 5ba7c37e0871c179eb4a0a5365c25968055c9c29f39d2ddef92f6235682fe381.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d1bf8dae - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ d1bf8dae Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" d1bf8dae Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing d1bf8dae Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix d1bf8dae Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" d1bf8dae Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" d1bf8dae Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" d1bf8dae Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" d1bf8dae Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" d1bf8dae - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 824 d1bf8dae 824 d1bf8dae 824 d1bf8dae 824 d1bf8dae 824 d1bf8dae 824 d1bf8dae 824 d1bf8dae 824 d1bf8dae 3740 5ba7c37e0871c179eb4a0a5365c25968055c9c29f39d2ddef92f6235682fe381.exe 3740 5ba7c37e0871c179eb4a0a5365c25968055c9c29f39d2ddef92f6235682fe381.exe 3740 5ba7c37e0871c179eb4a0a5365c25968055c9c29f39d2ddef92f6235682fe381.exe 3740 5ba7c37e0871c179eb4a0a5365c25968055c9c29f39d2ddef92f6235682fe381.exe 3740 5ba7c37e0871c179eb4a0a5365c25968055c9c29f39d2ddef92f6235682fe381.exe 3740 5ba7c37e0871c179eb4a0a5365c25968055c9c29f39d2ddef92f6235682fe381.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3740 5ba7c37e0871c179eb4a0a5365c25968055c9c29f39d2ddef92f6235682fe381.exe Token: SeTcbPrivilege 3740 5ba7c37e0871c179eb4a0a5365c25968055c9c29f39d2ddef92f6235682fe381.exe Token: SeDebugPrivilege 824 d1bf8dae Token: SeTcbPrivilege 824 d1bf8dae
Processes
-
C:\Users\Admin\AppData\Local\Temp\5ba7c37e0871c179eb4a0a5365c25968055c9c29f39d2ddef92f6235682fe381.exe"C:\Users\Admin\AppData\Local\Temp\5ba7c37e0871c179eb4a0a5365c25968055c9c29f39d2ddef92f6235682fe381.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:3740
-
C:\Windows\Syswow64\d1bf8daeC:\Windows\Syswow64\d1bf8dae1⤵
- 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:824
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\d1bf8dae
- Size 560KB
- SHA256 f2368e57b1ff66276e8607d1e8f167df2c5ca41ec2364b71064a62b82ead55cb
- MD5 9c2e0cdddb231b42fd186905cfea9627
- SHA1 eb1d75665cf19bf01f8f0868aafaca35555307d7
- SHA512 bc8a0aecafa7e34bec1cd96a0e5d493ae85c3e5e3c79c4f9524ae54cf243d5cbbbd9adc130da2acd80a1e4272d9404a62901e57051f46e4bec4bd483397894f7
- SSDEEP 6144:GWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:GkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T101C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH