Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
12/08/2026, 05:48
Behavioral task
behavioral1
Sample
3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8.exe
- Size 560KB
- Sample260812-ghvphsbj4y
- SHA256 3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8
- MD5 b66501b76cc65136dda58ad3796d7678
- SHA1 12c2ca2326e5732faf450fa9a528bbd4d213279c
- SHA512 32c15902c2f2ae65851bc7cfb00ed59bada1580c2ea3693cf2bfff4a854a50a18619b2d963bbdbfd4372426c1876660f52164a140b8380944eb139454948784b
- SSDEEP 6144:fWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:fkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T1B4C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4332 f9a1bad2 - 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 1 114.114.114.114 4828 3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8.exe Destination IP 2 223.5.5.5 4828 3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8.exe Destination IP 23 114.114.114.114 4828 3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8.exe Destination IP 24 223.5.5.5 4828 3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f9a1bad2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f9a1bad2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f9a1bad2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f9a1bad2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f9a1bad2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f9a1bad2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f9a1bad2 File created C:\Windows\SysWOW64\f9a1bad2 3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f9a1bad2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f9a1bad2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f9a1bad2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f9a1bad2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f9a1bad2 -
resource yara_rule behavioral2/memory/4828-0-0x0000000000C00000-0x0000000000C8C000-memory.dmp upx behavioral2/files/0x0006000000016b3a-2.dat upx behavioral2/memory/4332-3-0x0000000000C20000-0x0000000000CAC000-memory.dmp upx behavioral2/memory/4828-16-0x0000000000C00000-0x0000000000C8C000-memory.dmp upx behavioral2/memory/4332-17-0x0000000000C20000-0x0000000000CAC000-memory.dmp upx behavioral2/memory/4332-34-0x0000000000C20000-0x0000000000CAC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4a2a58 f9a1bad2 File opened for modification C:\Windows\52a838 3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8.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 3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f9a1bad2 - 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" f9a1bad2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f9a1bad2 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f9a1bad2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix f9a1bad2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f9a1bad2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f9a1bad2 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f9a1bad2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f9a1bad2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f9a1bad2 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4332 f9a1bad2 4332 f9a1bad2 4332 f9a1bad2 4332 f9a1bad2 4332 f9a1bad2 4332 f9a1bad2 4332 f9a1bad2 4332 f9a1bad2 4828 3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8.exe 4828 3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8.exe 4828 3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8.exe 4828 3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8.exe 4828 3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8.exe 4828 3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8.exe 4828 3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8.exe 4828 3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8.exe 4828 3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8.exe 4828 3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8.exe 4828 3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8.exe 4828 3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8.exe 4828 3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8.exe 4828 3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4828 3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8.exe Token: SeTcbPrivilege 4828 3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8.exe Token: SeDebugPrivilege 4332 f9a1bad2 Token: SeTcbPrivilege 4332 f9a1bad2
Processes
-
C:\Users\Admin\AppData\Local\Temp\3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8.exe"C:\Users\Admin\AppData\Local\Temp\3aaee79aa88042d6ac91e7b6526118f1c80a8d8f982dadfb9f8d2bc7ca91aed8.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:4828
-
C:\Windows\Syswow64\f9a1bad2C:\Windows\Syswow64\f9a1bad21⤵
- 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\f9a1bad2
- Size 560KB
- SHA256 97b2c205e65710d3e74ff908cfb0f0555d715c00c4b33906c431bec0de26ea7e
- MD5 d03bbc1d96a335b3a455e15049497251
- SHA1 0b534378eb8bbc2eaf58accfe7ce19714e5dcfad
- SHA512 533b865872f8ccfe0cecfc5486c273e5b4f0a6ef930c3567d2d174396b4031ae68a0bcb010dd2ce895c2656f8d6a17da4093a09314faeb6ebed789b9d2e08d85
- SSDEEP 6144:CWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:CkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T1A5C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH