Analysis
- max time kernel
149s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
16/04/2026, 21:57
Behavioral task
behavioral1
Sample
6cb8013689cbbf008adc1f670d378926b0eb8349499c3e57772126f0c5ff0e73.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 6cb8013689cbbf008adc1f670d378926b0eb8349499c3e57772126f0c5ff0e73.exe
- Size 3.0MB
- Sample260416-1typ4aey4x
- SHA256 6cb8013689cbbf008adc1f670d378926b0eb8349499c3e57772126f0c5ff0e73
- MD5 66d875ce54deb8c80298b8758b3d70f3
- SHA1 0eef64c3f320869923afff1d4b5b23ed7dd4667c
- SHA512 1dfbd9f60ff149405f23a454b54ec99d9ff05a1822972b3f73511f2b2a52323ac0993084983cb0b245df7589644da39c93bbe30a21504bd8f6e2b7ae9aaa7265
- SSDEEP 49152:OA/JuTQKqVmgbQIzZMPXpB91rHpn/qKmNAOaG6IOY/:B/whnLrHp/qKm2/Sb/
- TLSH T144E55953EB914AE8E39D0536DF544150E72AF2256BEF13A27428420DDE83387BF61A3D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2864 f045d7f2 - Unexpected DNS network traffic destination 5 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 2 114.114.114.114 4664 6cb8013689cbbf008adc1f670d378926b0eb8349499c3e57772126f0c5ff0e73.exe Destination IP 4 223.5.5.5 4664 6cb8013689cbbf008adc1f670d378926b0eb8349499c3e57772126f0c5ff0e73.exe Destination IP 27 114.114.114.114 4664 6cb8013689cbbf008adc1f670d378926b0eb8349499c3e57772126f0c5ff0e73.exe Destination IP 30 223.5.5.5 4664 6cb8013689cbbf008adc1f670d378926b0eb8349499c3e57772126f0c5ff0e73.exe Destination IP 105 114.114.114.114 4664 6cb8013689cbbf008adc1f670d378926b0eb8349499c3e57772126f0c5ff0e73.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 f045d7f2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f045d7f2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f045d7f2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f045d7f2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f045d7f2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f045d7f2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 f045d7f2 File created C:\Windows\SysWOW64\f045d7f2 6cb8013689cbbf008adc1f670d378926b0eb8349499c3e57772126f0c5ff0e73.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f045d7f2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f045d7f2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f045d7f2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f045d7f2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 f045d7f2 -
resource yara_rule behavioral1/memory/4664-0-0x0000000000A60000-0x0000000000D65000-memory.dmp upx behavioral1/files/0x00120000000241ea-2.dat upx behavioral1/memory/2864-4-0x0000000000C60000-0x0000000000F65000-memory.dmp upx behavioral1/memory/4664-5-0x0000000000A60000-0x0000000000D65000-memory.dmp upx behavioral1/memory/2864-6-0x0000000000C60000-0x0000000000F65000-memory.dmp upx behavioral1/memory/2864-12-0x0000000000C60000-0x0000000000F65000-memory.dmp upx - 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 6cb8013689cbbf008adc1f670d378926b0eb8349499c3e57772126f0c5ff0e73.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f045d7f2 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f045d7f2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix f045d7f2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f045d7f2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f045d7f2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f045d7f2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f045d7f2 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f045d7f2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f045d7f2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f045d7f2 - Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 2864 f045d7f2 2864 f045d7f2 2864 f045d7f2 2864 f045d7f2 2864 f045d7f2 2864 f045d7f2 2864 f045d7f2 2864 f045d7f2 2864 f045d7f2 2864 f045d7f2 2864 f045d7f2 2864 f045d7f2 4664 6cb8013689cbbf008adc1f670d378926b0eb8349499c3e57772126f0c5ff0e73.exe 4664 6cb8013689cbbf008adc1f670d378926b0eb8349499c3e57772126f0c5ff0e73.exe 4664 6cb8013689cbbf008adc1f670d378926b0eb8349499c3e57772126f0c5ff0e73.exe 4664 6cb8013689cbbf008adc1f670d378926b0eb8349499c3e57772126f0c5ff0e73.exe 4664 6cb8013689cbbf008adc1f670d378926b0eb8349499c3e57772126f0c5ff0e73.exe 4664 6cb8013689cbbf008adc1f670d378926b0eb8349499c3e57772126f0c5ff0e73.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4664 6cb8013689cbbf008adc1f670d378926b0eb8349499c3e57772126f0c5ff0e73.exe Token: SeTcbPrivilege 4664 6cb8013689cbbf008adc1f670d378926b0eb8349499c3e57772126f0c5ff0e73.exe Token: SeDebugPrivilege 2864 f045d7f2 Token: SeTcbPrivilege 2864 f045d7f2
Processes
-
C:\Users\Admin\AppData\Local\Temp\6cb8013689cbbf008adc1f670d378926b0eb8349499c3e57772126f0c5ff0e73.exe"C:\Users\Admin\AppData\Local\Temp\6cb8013689cbbf008adc1f670d378926b0eb8349499c3e57772126f0c5ff0e73.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4664
-
C:\Windows\Syswow64\f045d7f2C:\Windows\Syswow64\f045d7f21⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2864
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f045d7f2
- Size 3.0MB
- SHA256 ebacee54b3b1fd7541743bcc109b602dcd383fa889fd4b46943c030584943b84
- MD5 2a1f0503bd8351c614c3eaf55f4839f4
- SHA1 e7d7d5c10bc918b23636e8dfc1ffb70fa9d94d8e
- SHA512 8901110c74d86c10c20f575e92594556989518c3b127dc334aa7dfcc6134595eb979ef93a5abb2a3b67131027a678bf1b5f09c81ae0d7b6ff2362a81159eb6fc
- SSDEEP 49152:YA/JuTQKqVmgbQIzZMPXpB91rHpn/qKmNAOaG6IOY/:f/whnLrHp/qKm2/Sb/
- TLSH T19FE55953EB914AE8E39D0536DF544150E72AF2256BEF13A27428420DDE83387BF61A3D
- MD5 SHA1 SHA512 SSDEEP TLSH