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
17/04/2026, 07:51
Behavioral task
behavioral1
Sample
b77febae581d0a13b5aad47e16e3da7445980039619a12a379f5bae151ef4455.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target b77febae581d0a13b5aad47e16e3da7445980039619a12a379f5bae151ef4455.exe
- Size 761KB
- Sample260417-jpvdfact9y
- SHA256 b77febae581d0a13b5aad47e16e3da7445980039619a12a379f5bae151ef4455
- MD5 4edd1b0c00dd34352bfcecde4a0d93c5
- SHA1 32a9e9966aa9d2ccbcaef31e80f03eab3ffcd87a
- SHA512 043904a11bd0b6ef739f01809a5724f9e97a630a734c5de6c467f0220a517c1dfcdef73c17671a73b9e3f6c8838455454d6226f170d23c7b7b556b7437085a01
- SSDEEP 12288:cSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:vvO2xJKRw2kOkxSkW298B
- TLSH T137F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3448 1602d9f2 - 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 3736 b77febae581d0a13b5aad47e16e3da7445980039619a12a379f5bae151ef4455.exe Destination IP 5 223.5.5.5 3736 b77febae581d0a13b5aad47e16e3da7445980039619a12a379f5bae151ef4455.exe Destination IP 36 114.114.114.114 3736 b77febae581d0a13b5aad47e16e3da7445980039619a12a379f5bae151ef4455.exe Destination IP 37 223.5.5.5 3736 b77febae581d0a13b5aad47e16e3da7445980039619a12a379f5bae151ef4455.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 1602d9f2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 1602d9f2 File created C:\Windows\SysWOW64\1602d9f2 b77febae581d0a13b5aad47e16e3da7445980039619a12a379f5bae151ef4455.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 1602d9f2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 1602d9f2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 1602d9f2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 1602d9f2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 1602d9f2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1602d9f2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 1602d9f2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 1602d9f2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 1602d9f2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1602d9f2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1602d9f2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1602d9f2 -
resource yara_rule behavioral1/memory/3736-0-0x0000000000460000-0x00000000004EC000-memory.dmp upx behavioral1/files/0x0008000000024425-2.dat upx behavioral1/memory/3448-4-0x0000000000270000-0x00000000002FC000-memory.dmp upx behavioral1/memory/3736-12-0x0000000000460000-0x00000000004EC000-memory.dmp upx behavioral1/memory/3448-13-0x0000000000270000-0x00000000002FC000-memory.dmp upx behavioral1/memory/3448-32-0x0000000000270000-0x00000000002FC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3b07f0 1602d9f2 File opened for modification C:\Windows\3ff630 b77febae581d0a13b5aad47e16e3da7445980039619a12a379f5bae151ef4455.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 b77febae581d0a13b5aad47e16e3da7445980039619a12a379f5bae151ef4455.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1602d9f2 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 1602d9f2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 1602d9f2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1602d9f2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 1602d9f2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 1602d9f2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 1602d9f2 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1602d9f2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 1602d9f2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 1602d9f2 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 1602d9f2 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 5c0000000100000004000000800100000f0000000100000030000000f019c7ba12795dacd6ef1a767657deb8e41060a2ad1a6c66900a6ec16870fc06eecbaffdd3e2c986659578e7e85e535a530000000100000040000000303e301f06092b06010401a032010130123010060a2b0601040182373c0101030200c0301b060567810c010330123010060a2b0601040182373c0101030200c00b000000010000003800000047006c006f00620061006c005300690067006e002000450043004300200052006f006f00740020004300410020002d002000520035000000090000000100000034000000303206082b0601050507030206082b0601050507030306082b0601050507030406082b0601050507030106082b06010505070308620000000100000020000000179fbc148a3dd00fd24ea13458cc43bfa7f59c8182d783a513f6ebec100c89241400000001000000140000003de629489bea07ca21444a26de6eded283d09f591d0000000100000010000000b647dd2a9ccadee75e8905e256cc6b147f000000010000000c000000300a06082b060105050703037e00000001000000080000000080c82b6886d7010300000001000000140000001f24c630cda418ef2069ffad4fdd5f463a1b69aa190000000100000010000000e3087c0c81f60a2a2b466b8a3e70cce82000000001000000220200003082021e308201a4a0030201020211605949e0262ebb55f90a778a71f94ad86c300a06082a8648ce3d040303305031243022060355040b131b476c6f62616c5369676e2045434320526f6f74204341202d20523531133011060355040a130a476c6f62616c5369676e311330110603550403130a476c6f62616c5369676e301e170d3132313131333030303030305a170d3338303131393033313430375a305031243022060355040b131b476c6f62616c5369676e2045434320526f6f74204341202d20523531133011060355040a130a476c6f62616c5369676e311330110603550403130a476c6f62616c5369676e3076301006072a8648ce3d020106052b810400220362000447450e96fb7d5dbfe939d121f89f0bb6d57b1e923a48591cf062312dc07a28fe1aa75cb3b6cc97e745d458fad1776d43a2c08765340a1f7addeb3c33a1c59d4da46f4195387fc91e84ebd19e49928794870c3a854a669f9d59934d976106864aa3423040300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff301d0603551d0e041604143de629489bea07ca21444a26de6eded283d09f59300a06082a8648ce3d0403030368003065023100e56912c96edbc631ba0941e197f8fbfd9ae27d12c9ed7c64d3cb05258b56d9a0e75e5d4e0b839c5b7629a00926216a62023071d2b58f5cea3be1780985a875923bc85cfd48ef0d7422a808e26ec549cec70cbca76169f1f73be12acbf92bf3669037 1602d9f2 - Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 3448 1602d9f2 3448 1602d9f2 3448 1602d9f2 3448 1602d9f2 3448 1602d9f2 3448 1602d9f2 3448 1602d9f2 3448 1602d9f2 3448 1602d9f2 3448 1602d9f2 3448 1602d9f2 3448 1602d9f2 3736 b77febae581d0a13b5aad47e16e3da7445980039619a12a379f5bae151ef4455.exe 3736 b77febae581d0a13b5aad47e16e3da7445980039619a12a379f5bae151ef4455.exe 3736 b77febae581d0a13b5aad47e16e3da7445980039619a12a379f5bae151ef4455.exe 3736 b77febae581d0a13b5aad47e16e3da7445980039619a12a379f5bae151ef4455.exe 3736 b77febae581d0a13b5aad47e16e3da7445980039619a12a379f5bae151ef4455.exe 3736 b77febae581d0a13b5aad47e16e3da7445980039619a12a379f5bae151ef4455.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3736 b77febae581d0a13b5aad47e16e3da7445980039619a12a379f5bae151ef4455.exe Token: SeTcbPrivilege 3736 b77febae581d0a13b5aad47e16e3da7445980039619a12a379f5bae151ef4455.exe Token: SeDebugPrivilege 3448 1602d9f2 Token: SeTcbPrivilege 3448 1602d9f2
Processes
-
C:\Users\Admin\AppData\Local\Temp\b77febae581d0a13b5aad47e16e3da7445980039619a12a379f5bae151ef4455.exe"C:\Users\Admin\AppData\Local\Temp\b77febae581d0a13b5aad47e16e3da7445980039619a12a379f5bae151ef4455.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:3736
-
C:\Windows\Syswow64\1602d9f2C:\Windows\Syswow64\1602d9f21⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3448
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\1602d9f2
- Size 761KB
- SHA256 312abed0602aaa62db526977c395e34ed0e8ed22aceba898d90722b2918581c8
- MD5 dfc21a98e88de385f45f401713b3f696
- SHA1 09c53d2e61e2f987643396cf23756a2b09b51d7f
- SHA512 b7d8fce00dbcc549a008f600088761eaa3aede2870ac8287dda9f27d7c957e0837b6c35001a423e92173b4b8e0ba29e5f0c96022248ca5e170f7bb152b337480
- SSDEEP 12288:JSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:wvO2xJKRw2kOkxSkW298B
- TLSH T117F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH