Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
13/08/2026, 12:26
Behavioral task
behavioral1
Sample
a812ee654f1861f3a44623fbf70e46a24366e4023c7fd2de984e750bceaa235e.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target a812ee654f1861f3a44623fbf70e46a24366e4023c7fd2de984e750bceaa235e.exe
- Size 560KB
- Sample260813-pmccqszaph
- SHA256 a812ee654f1861f3a44623fbf70e46a24366e4023c7fd2de984e750bceaa235e
- MD5 2cc510491e52ea900d2343cc39188dc7
- SHA1 24943804569f1d4f653da96204bab8625c263c06
- SHA512 fc7de6d6463cebacf2dac62dddade46ca31f9c3bdb8499a0b679e553e12f974e10767bbcee8c304a6084249ddee5d9d2d412b75fdcd1b3abdffe9125d167832b
- SSDEEP 6144:KWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRuy8K:KkCO2zVPX7vf1LKlIsOkxHy
- TLSH T18EC47C29B690D076C4779574C4A187AAFAB1B432372449CFB3D00B5A1F237E2BA7530E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3904 89b878f4 - 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 1656 a812ee654f1861f3a44623fbf70e46a24366e4023c7fd2de984e750bceaa235e.exe Destination IP 4 223.5.5.5 1656 a812ee654f1861f3a44623fbf70e46a24366e4023c7fd2de984e750bceaa235e.exe Destination IP 35 114.114.114.114 1656 a812ee654f1861f3a44623fbf70e46a24366e4023c7fd2de984e750bceaa235e.exe Destination IP 37 223.5.5.5 1656 a812ee654f1861f3a44623fbf70e46a24366e4023c7fd2de984e750bceaa235e.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 89b878f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 89b878f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 89b878f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 89b878f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 89b878f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 89b878f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 89b878f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 89b878f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 89b878f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 89b878f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 89b878f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 89b878f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 89b878f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 89b878f4 File created C:\Windows\SysWOW64\89b878f4 a812ee654f1861f3a44623fbf70e46a24366e4023c7fd2de984e750bceaa235e.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 89b878f4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 89b878f4 -
resource yara_rule behavioral1/memory/1656-0-0x0000000000E40000-0x0000000000ECC000-memory.dmp upx behavioral1/files/0x0014000000024469-2.dat upx behavioral1/memory/3904-3-0x0000000000120000-0x00000000001AC000-memory.dmp upx behavioral1/memory/1656-15-0x0000000000E40000-0x0000000000ECC000-memory.dmp upx behavioral1/memory/3904-16-0x0000000000120000-0x00000000001AC000-memory.dmp upx behavioral1/memory/3904-26-0x0000000000120000-0x00000000001AC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\42d680 89b878f4 File opened for modification C:\Windows\1c59f0 a812ee654f1861f3a44623fbf70e46a24366e4023c7fd2de984e750bceaa235e.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 a812ee654f1861f3a44623fbf70e46a24366e4023c7fd2de984e750bceaa235e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 89b878f4 - 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 89b878f4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 89b878f4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 89b878f4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 89b878f4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 89b878f4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 89b878f4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 89b878f4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 89b878f4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 89b878f4 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3904 89b878f4 3904 89b878f4 3904 89b878f4 3904 89b878f4 3904 89b878f4 3904 89b878f4 3904 89b878f4 3904 89b878f4 1656 a812ee654f1861f3a44623fbf70e46a24366e4023c7fd2de984e750bceaa235e.exe 1656 a812ee654f1861f3a44623fbf70e46a24366e4023c7fd2de984e750bceaa235e.exe 1656 a812ee654f1861f3a44623fbf70e46a24366e4023c7fd2de984e750bceaa235e.exe 1656 a812ee654f1861f3a44623fbf70e46a24366e4023c7fd2de984e750bceaa235e.exe 1656 a812ee654f1861f3a44623fbf70e46a24366e4023c7fd2de984e750bceaa235e.exe 1656 a812ee654f1861f3a44623fbf70e46a24366e4023c7fd2de984e750bceaa235e.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1656 a812ee654f1861f3a44623fbf70e46a24366e4023c7fd2de984e750bceaa235e.exe Token: SeTcbPrivilege 1656 a812ee654f1861f3a44623fbf70e46a24366e4023c7fd2de984e750bceaa235e.exe Token: SeDebugPrivilege 3904 89b878f4 Token: SeTcbPrivilege 3904 89b878f4
Processes
-
C:\Users\Admin\AppData\Local\Temp\a812ee654f1861f3a44623fbf70e46a24366e4023c7fd2de984e750bceaa235e.exe"C:\Users\Admin\AppData\Local\Temp\a812ee654f1861f3a44623fbf70e46a24366e4023c7fd2de984e750bceaa235e.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:1656
-
C:\Windows\Syswow64\89b878f4C:\Windows\Syswow64\89b878f41⤵
- 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:3904
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\89b878f4
- Size 560KB
- SHA256 ef87bb442b2d393dbc28f95baecab10d256a83472b5498a951fa654bc5a58985
- MD5 c903516c5072cabd686a911662674356
- SHA1 c7f3ff00a42525658b8884c425f38398e8fec385
- SHA512 3dcb376c843453a0b403d575f97c17ce3e219fdf879207e8c45d69fae77b568c9d1b61e147e1bcda5565727e852ae0c2f426520603c59615e54569bbcd29fe7a
- SSDEEP 6144:xWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRuy8K:xkCO2zVPX7vf1LKlIsOkxHy
- TLSH T166C47C29B690D076C4779574C4A187AAFAB1B432372449CFB3D00B5A1F237E2BA7530E
- MD5 SHA1 SHA512 SSDEEP TLSH