Analysis
- max time kernel
150s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 07:47
Behavioral task
behavioral1
Sample
b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
10 signatures
150 seconds
General
- Target b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.exe
- Size 548KB
- Sample260802-jmmktavyet
- SHA256 b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69
- MD5 1345cf02e6311b3631acc9cc20a57ca9
- SHA1 690e3a300b2a080e1adc84ff83fef453289f8b2c
- SHA512 fe1a802ef22a4dfd6637101246a6b60cdf56a6ee3b62a69c73bbfb5802ef5ba19b13f71d5765d984c7955bf454a4236f34d18e5d5167fc2836f9e22de0a3d689
- SSDEEP 12288:jkbOgbKcMoxy9RLW3uqXUHkUXe39+Okx2LIa:obOgbEqy9RKejHPOwOkx2LF
- TLSH T147C4AE26F6A0C032C4B79574C4A34AAAFBB1742167204ACFA395475A1F737E2BE3531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3364 cca1501c - 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 1 114.114.114.114 1780 b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.exe Destination IP 4 223.5.5.5 1780 b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.exe Destination IP 17 114.114.114.114 1780 b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.exe Destination IP 18 223.5.5.5 1780 b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 cca1501c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cca1501c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 cca1501c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache cca1501c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cca1501c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 cca1501c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft cca1501c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 cca1501c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cca1501c File created C:\Windows\SysWOW64\cca1501c b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE cca1501c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies cca1501c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content cca1501c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cca1501c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData cca1501c -
resource yara_rule behavioral2/memory/1780-0-0x0000000000D10000-0x0000000000D99000-memory.dmp upx behavioral2/files/0x0008000000016cdb-2.dat upx behavioral2/memory/3364-3-0x0000000000BA0000-0x0000000000C29000-memory.dmp upx behavioral2/memory/1780-10-0x0000000000D10000-0x0000000000D99000-memory.dmp upx behavioral2/memory/3364-12-0x0000000000BA0000-0x0000000000C29000-memory.dmp upx behavioral2/memory/1780-33-0x0000000000D10000-0x0000000000D99000-memory.dmp upx behavioral2/memory/3364-34-0x0000000000BA0000-0x0000000000C29000-memory.dmp upx behavioral2/memory/3364-44-0x0000000000BA0000-0x0000000000C29000-memory.dmp upx behavioral2/memory/1780-51-0x0000000000D10000-0x0000000000D99000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1e7968 b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.exe File opened for modification C:\Windows\3997c8 cca1501c - 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 b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cca1501c - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing cca1501c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" cca1501c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ cca1501c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" cca1501c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" cca1501c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix cca1501c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" cca1501c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" cca1501c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" cca1501c - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA cca1501c Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 cca1501c - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3364 cca1501c 3364 cca1501c 3364 cca1501c 3364 cca1501c 3364 cca1501c 3364 cca1501c 3364 cca1501c 3364 cca1501c 1780 b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.exe 1780 b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.exe 1780 b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.exe 1780 b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.exe 1780 b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.exe 1780 b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.exe 1780 b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.exe 1780 b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.exe 1780 b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.exe 1780 b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.exe 1780 b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.exe 1780 b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.exe 1780 b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.exe 1780 b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1780 b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.exe Token: SeTcbPrivilege 1780 b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.exe Token: SeDebugPrivilege 3364 cca1501c Token: SeTcbPrivilege 3364 cca1501c
Processes
-
C:\Users\Admin\AppData\Local\Temp\b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.exe"C:\Users\Admin\AppData\Local\Temp\b2f497aea7c3490569d24d52ff9d4851a2466ed8f9535a4b6792b3e40979be69.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:1780
-
C:\Windows\Syswow64\cca1501cC:\Windows\Syswow64\cca1501c1⤵
- 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:3364
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\cca1501c
- Size 548KB
- SHA256 ca9b74958fce21c903b8133561823876381671caf47235092af0023498cb6c7a
- MD5 1ebbb3d2446f1a6be4bd38cb4b92553f
- SHA1 6aeeba6b342eb70d0efa4f6b554da1e7e5a25cdc
- SHA512 2644b35d5a9f904998863a54cfed75fb902773fc556c79e45032522e35c3a23e19469d58903ea5e253130a614262ae36ba4a0cefe69889a8112837c8a1cc9e8f
- SSDEEP 12288:gkbOgbKcMoxy9RLW3uqXUHkUXe39+Okx2LIa:hbOgbEqy9RKejHPOwOkx2LF
- TLSH T109C4AE26F6A0C032C4B79574C4A34AAAFBB1742167204ACFA395475A1F737E2BE3531D
- MD5 SHA1 SHA512 SSDEEP TLSH