Analysis
- max time kernel
149s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
24/04/2026, 22:30
Behavioral task
behavioral1
Sample
101ac97a492022707529246c2c9515a52de9c728f91afb531e6dd831572a1d34.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 101ac97a492022707529246c2c9515a52de9c728f91afb531e6dd831572a1d34.exe
- Size 384KB
- Sample260424-2e7vwset8k
- SHA256 101ac97a492022707529246c2c9515a52de9c728f91afb531e6dd831572a1d34
- MD5 5ada354af78909f285ee023cdc380df6
- SHA1 eb8c1d786e8f23664cfd7ac5cb3b1435bf425bf2
- SHA512 ae6526b9f846a12f27bc788e6eba0bf31bcd8fdd3232ba6455222d215452b5b1bbfc22eb7552a8fa956dd881d08477a15aa57a76e6d4e3811a4ce8da28450bf8
- SSDEEP 6144:fl51orRJXlDixHkUXe35rGcEOkCybEaQRXr9HNdvOan5R2:RqXUHkUXe39sOkx2LIan5g
- TLSH T187849D22F3518036C1978672C7B70F9AF7A5BD18831253CB5340B56A2FB32D2AE35719
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4024 166dffc - 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 3212 101ac97a492022707529246c2c9515a52de9c728f91afb531e6dd831572a1d34.exe Destination IP 2 223.5.5.5 3212 101ac97a492022707529246c2c9515a52de9c728f91afb531e6dd831572a1d34.exe Destination IP 17 114.114.114.114 3212 101ac97a492022707529246c2c9515a52de9c728f91afb531e6dd831572a1d34.exe Destination IP 18 223.5.5.5 3212 101ac97a492022707529246c2c9515a52de9c728f91afb531e6dd831572a1d34.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 166dffc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 166dffc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 166dffc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 166dffc File created C:\Windows\SysWOW64\166dffc 101ac97a492022707529246c2c9515a52de9c728f91afb531e6dd831572a1d34.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 166dffc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 166dffc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 166dffc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 166dffc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 166dffc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 166dffc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 166dffc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 166dffc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 166dffc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 166dffc -
resource yara_rule behavioral2/memory/3212-0-0x00000000004D0000-0x0000000000559000-memory.dmp upx behavioral2/files/0x002100000002b1ae-2.dat upx behavioral2/memory/4024-3-0x0000000000410000-0x0000000000499000-memory.dmp upx behavioral2/memory/3212-25-0x00000000004D0000-0x0000000000559000-memory.dmp upx behavioral2/memory/4024-27-0x0000000000410000-0x0000000000499000-memory.dmp upx behavioral2/memory/4024-33-0x0000000000410000-0x0000000000499000-memory.dmp upx behavioral2/memory/3212-42-0x00000000004D0000-0x0000000000559000-memory.dmp upx behavioral2/memory/4024-44-0x0000000000410000-0x0000000000499000-memory.dmp upx behavioral2/memory/3212-59-0x00000000004D0000-0x0000000000559000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\36fd98 101ac97a492022707529246c2c9515a52de9c728f91afb531e6dd831572a1d34.exe File opened for modification C:\Windows\44e470 166dffc - 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 101ac97a492022707529246c2c9515a52de9c728f91afb531e6dd831572a1d34.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 166dffc - 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 166dffc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 166dffc Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 166dffc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 166dffc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 166dffc Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 166dffc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 166dffc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 166dffc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 166dffc - Suspicious behavior: EnumeratesProcesses 26 IoCs
pid Process 4024 166dffc 4024 166dffc 4024 166dffc 4024 166dffc 4024 166dffc 4024 166dffc 4024 166dffc 4024 166dffc 4024 166dffc 4024 166dffc 4024 166dffc 4024 166dffc 4024 166dffc 4024 166dffc 4024 166dffc 4024 166dffc 4024 166dffc 4024 166dffc 4024 166dffc 4024 166dffc 3212 101ac97a492022707529246c2c9515a52de9c728f91afb531e6dd831572a1d34.exe 3212 101ac97a492022707529246c2c9515a52de9c728f91afb531e6dd831572a1d34.exe 3212 101ac97a492022707529246c2c9515a52de9c728f91afb531e6dd831572a1d34.exe 3212 101ac97a492022707529246c2c9515a52de9c728f91afb531e6dd831572a1d34.exe 3212 101ac97a492022707529246c2c9515a52de9c728f91afb531e6dd831572a1d34.exe 3212 101ac97a492022707529246c2c9515a52de9c728f91afb531e6dd831572a1d34.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3212 101ac97a492022707529246c2c9515a52de9c728f91afb531e6dd831572a1d34.exe Token: SeTcbPrivilege 3212 101ac97a492022707529246c2c9515a52de9c728f91afb531e6dd831572a1d34.exe Token: SeDebugPrivilege 4024 166dffc Token: SeTcbPrivilege 4024 166dffc
Processes
-
C:\Users\Admin\AppData\Local\Temp\101ac97a492022707529246c2c9515a52de9c728f91afb531e6dd831572a1d34.exe"C:\Users\Admin\AppData\Local\Temp\101ac97a492022707529246c2c9515a52de9c728f91afb531e6dd831572a1d34.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:3212
-
C:\Windows\Syswow64\166dffcC:\Windows\Syswow64\166dffc1⤵
- 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:4024
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\44e470
- Size 900B
- SHA256 c3ff23f889a5e9ea16f7a7ae5ea9aee06d5e908a67845a83f23104d01cb184b0
- MD5 22518f0b65034053ca92f0a2f55c3845
- SHA1 e0a25e2a206558dac6f0ca9ea4d86e337ec77c96
- SHA512 0fdd743fd8da27a6c6847f3cc80251cf602e39e8fc971270010dd2fe769eb07b1c5e2f3d2e58084b9fd145b71d9e2aba03c4d1d38c4dc40cdb1c8fe9f81c86b6
- TLSH T1091100F3B44942B78FE9C74B7D42E7C6B170905A969E26D13ED332D51BE38A00D4260E
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\SysWOW64\166dffc
- Size 384KB
- SHA256 83b281d6bb00a3f9e32efb1b45d1c4980243828278b687b8778a9ca06c6cefcc
- MD5 618e8affc9d63970854ccd2d49df1bf0
- SHA1 9c0baa57072f8650f94f933fd2005faa0e940431
- SHA512 77275f8c255a8c725e565065a72b249c898971bcba5a12f4a7f21409a7e6a46832a79fb77b6e8d46ba2223f130c59658fd3d01701fa6556216ac543d25e41c11
- SSDEEP 6144:/l51orRJXlDixHkUXe35rGcEOkCybEaQRXr9HNdvOan5R2:xqXUHkUXe39sOkx2LIan5g
- TLSH T179849D22F3518036C1978672C7B70F9AF7A5BD18831253CB5344B56A2FB32D2AE35719
- MD5 SHA1 SHA512 SSDEEP TLSH