Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
09/08/2026, 21:48
Behavioral task
behavioral1
Sample
3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe
- Size 766KB
- Sample260809-1n7e2swekd
- SHA256 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef
- MD5 5ceb18ef689fe92c23f713ce299280c3
- SHA1 c90dcd19f3af22ec3c78838b5fde075b6251bbb3
- SHA512 c3b245f004a18e42bd2e1e7be2e5a4a72759d4f6a6ed8c025385031bedd758ba4c69343242b34e2a1b4dac7d72a1506e3a9c4bc405d2371e7ebd5eaa816da260
- SSDEEP 12288:TSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:mvO2xJKRw2kOkx2LFRvcUV
- TLSH T133F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5888 5f2d6fa0 - 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 49 223.5.5.5 4592 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe Destination IP 3 114.114.114.114 4592 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe Destination IP 4 223.5.5.5 4592 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe Destination IP 46 114.114.114.114 4592 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 5f2d6fa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 5f2d6fa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 5f2d6fa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 5f2d6fa0 File created C:\Windows\SysWOW64\5f2d6fa0 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 5f2d6fa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 5f2d6fa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 5f2d6fa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 5f2d6fa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 5f2d6fa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 5f2d6fa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 5f2d6fa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 5f2d6fa0 -
resource yara_rule behavioral1/memory/4592-0-0x0000000000810000-0x000000000089C000-memory.dmp upx behavioral1/files/0x00100000000231f3-2.dat upx behavioral1/memory/5888-4-0x00000000000C0000-0x000000000014C000-memory.dmp upx behavioral1/memory/4592-10-0x0000000000810000-0x000000000089C000-memory.dmp upx behavioral1/memory/5888-11-0x00000000000C0000-0x000000000014C000-memory.dmp upx behavioral1/memory/5888-22-0x00000000000C0000-0x000000000014C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\64ce00 5f2d6fa0 File opened for modification C:\Windows\4e9de0 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.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 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5f2d6fa0 - 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\Cookies\CachePrefix = "Cookie:" 5f2d6fa0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 5f2d6fa0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 5f2d6fa0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 5f2d6fa0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 5f2d6fa0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 5f2d6fa0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 5f2d6fa0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 5f2d6fa0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 5f2d6fa0 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 5f2d6fa0 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 5c0000000100000004000000800100000f0000000100000030000000f019c7ba12795dacd6ef1a767657deb8e41060a2ad1a6c66900a6ec16870fc06eecbaffdd3e2c986659578e7e85e535a530000000100000040000000303e301f06092b06010401a032010130123010060a2b0601040182373c0101030200c0301b060567810c010330123010060a2b0601040182373c0101030200c00b000000010000003800000047006c006f00620061006c005300690067006e002000450043004300200052006f006f00740020004300410020002d002000520035000000090000000100000034000000303206082b0601050507030206082b0601050507030306082b0601050507030406082b0601050507030106082b06010505070308620000000100000020000000179fbc148a3dd00fd24ea13458cc43bfa7f59c8182d783a513f6ebec100c89241400000001000000140000003de629489bea07ca21444a26de6eded283d09f591d0000000100000010000000b647dd2a9ccadee75e8905e256cc6b147f000000010000000c000000300a06082b060105050703037e00000001000000080000000080c82b6886d7010300000001000000140000001f24c630cda418ef2069ffad4fdd5f463a1b69aa190000000100000010000000e3087c0c81f60a2a2b466b8a3e70cce82000000001000000220200003082021e308201a4a0030201020211605949e0262ebb55f90a778a71f94ad86c300a06082a8648ce3d040303305031243022060355040b131b476c6f62616c5369676e2045434320526f6f74204341202d20523531133011060355040a130a476c6f62616c5369676e311330110603550403130a476c6f62616c5369676e301e170d3132313131333030303030305a170d3338303131393033313430375a305031243022060355040b131b476c6f62616c5369676e2045434320526f6f74204341202d20523531133011060355040a130a476c6f62616c5369676e311330110603550403130a476c6f62616c5369676e3076301006072a8648ce3d020106052b810400220362000447450e96fb7d5dbfe939d121f89f0bb6d57b1e923a48591cf062312dc07a28fe1aa75cb3b6cc97e745d458fad1776d43a2c08765340a1f7addeb3c33a1c59d4da46f4195387fc91e84ebd19e49928794870c3a854a669f9d59934d976106864aa3423040300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff301d0603551d0e041604143de629489bea07ca21444a26de6eded283d09f59300a06082a8648ce3d0403030368003065023100e56912c96edbc631ba0941e197f8fbfd9ae27d12c9ed7c64d3cb05258b56d9a0e75e5d4e0b839c5b7629a00926216a62023071d2b58f5cea3be1780985a875923bc85cfd48ef0d7422a808e26ec549cec70cbca76169f1f73be12acbf92bf3669037 5f2d6fa0 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5888 5f2d6fa0 5888 5f2d6fa0 5888 5f2d6fa0 5888 5f2d6fa0 5888 5f2d6fa0 5888 5f2d6fa0 5888 5f2d6fa0 5888 5f2d6fa0 4592 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe 4592 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe 4592 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe 4592 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe 4592 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe 4592 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4592 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe Token: SeTcbPrivilege 4592 3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe Token: SeDebugPrivilege 5888 5f2d6fa0 Token: SeTcbPrivilege 5888 5f2d6fa0
Processes
-
C:\Users\Admin\AppData\Local\Temp\3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.exe"C:\Users\Admin\AppData\Local\Temp\3b6137862b16d8b8d5202603f90aad2144781145e45df7a3d1356d1e6b867aef.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:4592
-
C:\Windows\Syswow64\5f2d6fa0C:\Windows\Syswow64\5f2d6fa01⤵
- 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:5888
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\5f2d6fa0
- Size 766KB
- SHA256 76b87baf3a20d2b19aa6f5697e1c37def23e52a210c60bb20aef997979970d52
- MD5 8b6a4d30dee5b6c15246de710692dae7
- SHA1 c439555db674586d51a7d27b8a9a0db244a2eddd
- SHA512 46de35f918b4bef51bab6f48682c03871b92c5d67b18d19edf1a8cf619e47f53f2d116a740235e05263047a8abf2b684bc233055915891e9b6ee241aa11f3288
- SSDEEP 12288:KSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:RvO2xJKRw2kOkx2LFRvcUV
- TLSH T165F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH