Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
19/09/2026, 22:50
Behavioral task
behavioral1
Sample
74bd92c4072239cb64733eadc5f87b2e5baa42e7b9851256b4ae3fba69bf6e5d.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 74bd92c4072239cb64733eadc5f87b2e5baa42e7b9851256b4ae3fba69bf6e5d.exe
- Size 832KB
- Sample260919-2sgkvsvs2k
- SHA256 74bd92c4072239cb64733eadc5f87b2e5baa42e7b9851256b4ae3fba69bf6e5d
- MD5 caa27d5688811f56dd6d07e69b373df6
- SHA1 f2ca645b9ac096d05fe86455e6624bb337764015
- SHA512 8d3b557cc722bb188c4202e0d5088be001371eeac777e4b7cefa2032ae39f89e34af4f44a822a7f145bd8915a1b3b8b5ff385bcf1feaf0172d255c49f97877b7
- SSDEEP 12288:ISvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Likr:DvO2xJKRw2kOkx2LFRvcUv
- TLSH T1F9055A31E6418036D1B34576C6FA0BBFE664BD25131155CBA3C4BA262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5332 f9b9fb71 - 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 1628 74bd92c4072239cb64733eadc5f87b2e5baa42e7b9851256b4ae3fba69bf6e5d.exe Destination IP 4 223.5.5.5 1628 74bd92c4072239cb64733eadc5f87b2e5baa42e7b9851256b4ae3fba69bf6e5d.exe Destination IP 46 114.114.114.114 1628 74bd92c4072239cb64733eadc5f87b2e5baa42e7b9851256b4ae3fba69bf6e5d.exe Destination IP 50 223.5.5.5 1628 74bd92c4072239cb64733eadc5f87b2e5baa42e7b9851256b4ae3fba69bf6e5d.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f9b9fb71 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f9b9fb71 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f9b9fb71 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f9b9fb71 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f9b9fb71 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f9b9fb71 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f9b9fb71 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f9b9fb71 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f9b9fb71 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f9b9fb71 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f9b9fb71 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f9b9fb71 File created C:\Windows\SysWOW64\f9b9fb71 74bd92c4072239cb64733eadc5f87b2e5baa42e7b9851256b4ae3fba69bf6e5d.exe -
resource yara_rule behavioral1/memory/1628-0-0x00000000005F0000-0x000000000067C000-memory.dmp upx behavioral1/memory/5332-4-0x00000000005E0000-0x000000000066C000-memory.dmp upx behavioral1/files/0x000800000002478e-3.dat upx behavioral1/memory/1628-16-0x00000000005F0000-0x000000000067C000-memory.dmp upx behavioral1/memory/5332-17-0x00000000005E0000-0x000000000066C000-memory.dmp upx behavioral1/memory/5332-22-0x00000000005E0000-0x000000000066C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5b4928 f9b9fb71 File opened for modification C:\Windows\1bdf38 74bd92c4072239cb64733eadc5f87b2e5baa42e7b9851256b4ae3fba69bf6e5d.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 74bd92c4072239cb64733eadc5f87b2e5baa42e7b9851256b4ae3fba69bf6e5d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f9b9fb71 - 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 f9b9fb71 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f9b9fb71 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f9b9fb71 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f9b9fb71 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f9b9fb71 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f9b9fb71 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f9b9fb71 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f9b9fb71 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f9b9fb71 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5332 f9b9fb71 5332 f9b9fb71 5332 f9b9fb71 5332 f9b9fb71 5332 f9b9fb71 5332 f9b9fb71 5332 f9b9fb71 5332 f9b9fb71 1628 74bd92c4072239cb64733eadc5f87b2e5baa42e7b9851256b4ae3fba69bf6e5d.exe 1628 74bd92c4072239cb64733eadc5f87b2e5baa42e7b9851256b4ae3fba69bf6e5d.exe 1628 74bd92c4072239cb64733eadc5f87b2e5baa42e7b9851256b4ae3fba69bf6e5d.exe 1628 74bd92c4072239cb64733eadc5f87b2e5baa42e7b9851256b4ae3fba69bf6e5d.exe 1628 74bd92c4072239cb64733eadc5f87b2e5baa42e7b9851256b4ae3fba69bf6e5d.exe 1628 74bd92c4072239cb64733eadc5f87b2e5baa42e7b9851256b4ae3fba69bf6e5d.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1628 74bd92c4072239cb64733eadc5f87b2e5baa42e7b9851256b4ae3fba69bf6e5d.exe Token: SeTcbPrivilege 1628 74bd92c4072239cb64733eadc5f87b2e5baa42e7b9851256b4ae3fba69bf6e5d.exe Token: SeDebugPrivilege 5332 f9b9fb71 Token: SeTcbPrivilege 5332 f9b9fb71
Processes
-
C:\Users\Admin\AppData\Local\Temp\74bd92c4072239cb64733eadc5f87b2e5baa42e7b9851256b4ae3fba69bf6e5d.exe"C:\Users\Admin\AppData\Local\Temp\74bd92c4072239cb64733eadc5f87b2e5baa42e7b9851256b4ae3fba69bf6e5d.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:1628
-
C:\Windows\Syswow64\f9b9fb71C:\Windows\Syswow64\f9b9fb711⤵
- 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:5332
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f9b9fb71
- Size 832KB
- SHA256 de46037ac1e068e2b400afa2f0e8f7f39357f724212cb9b1667fc6eabf4e2c2a
- MD5 3e464798c139e5510797dc772f8f42e7
- SHA1 87aab28097b1ff65b8c9cab5c4494a07bfb67910
- SHA512 ebec4961e22931dc463d499dfdea879a3a437ae06156f44638c6e5bfdd84cb99c77fe4174c96cbec188c912ddab7af84840e7ed6eff56553644508c3f70f8db1
- SSDEEP 12288:lSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Likr:EvO2xJKRw2kOkx2LFRvcUv
- TLSH T169055A31E6418036D1B34576C6FA0BBFE664BD25131155CBA3C4BA262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH