Analysis
- max time kernel
149s - max time network
160s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
15/04/2026, 07:32
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b6cabbfe1bc2545acc0d6920e1c6e69742274780c2857b46f14ff77a0e991a90.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
b6cabbfe1bc2545acc0d6920e1c6e69742274780c2857b46f14ff77a0e991a90.exe
Resource
win11-20260130-en
windows11-21h2-x64
9 signatures
150 seconds
General
- Target b6cabbfe1bc2545acc0d6920e1c6e69742274780c2857b46f14ff77a0e991a90.exe
- Size 2.1MB
- Sample260415-jdcdgsbx91
- SHA256 b6cabbfe1bc2545acc0d6920e1c6e69742274780c2857b46f14ff77a0e991a90
- MD5 b15711698b38a2452bda5cdfa4ea9b0b
- SHA1 d60b413d54a18ffaab2c5fa10a8288db357ee6aa
- SHA512 a835f66a2677805903759f4d6f51c768b23505b8d757c0e803f50ab88a38e59774504db46c8499b6be9479f89b80fca7ead95a3ea91de61fb78ad62b414726f0
- SSDEEP 49152:8HHKO2FQd1oOU82lPJ6PsfsCWFn5+ovhnFvTGkQdh:8nKl2qOb2lP8ssYoJxKkyh
- TLSH T10BA5BF12F7A1C072C4A7427189BB876EF674BD1157218ACBA3C03A5A5EB33D27E35309
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3088 a1f769b3 - 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 3288 b6cabbfe1bc2545acc0d6920e1c6e69742274780c2857b46f14ff77a0e991a90.exe Destination IP 2 223.5.5.5 3288 b6cabbfe1bc2545acc0d6920e1c6e69742274780c2857b46f14ff77a0e991a90.exe Destination IP 11 114.114.114.114 3288 b6cabbfe1bc2545acc0d6920e1c6e69742274780c2857b46f14ff77a0e991a90.exe Destination IP 12 223.5.5.5 3288 b6cabbfe1bc2545acc0d6920e1c6e69742274780c2857b46f14ff77a0e991a90.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\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 a1f769b3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 a1f769b3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a1f769b3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a1f769b3 File created C:\Windows\SysWOW64\a1f769b3 b6cabbfe1bc2545acc0d6920e1c6e69742274780c2857b46f14ff77a0e991a90.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 a1f769b3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies a1f769b3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 a1f769b3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a1f769b3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE a1f769b3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 a1f769b3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache a1f769b3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 a1f769b3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft a1f769b3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData a1f769b3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a1f769b3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content a1f769b3 - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\34de20 a1f769b3 File opened for modification C:\Windows\384ab0 b6cabbfe1bc2545acc0d6920e1c6e69742274780c2857b46f14ff77a0e991a90.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 b6cabbfe1bc2545acc0d6920e1c6e69742274780c2857b46f14ff77a0e991a90.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a1f769b3 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ a1f769b3 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" a1f769b3 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing a1f769b3 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix a1f769b3 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" a1f769b3 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" a1f769b3 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" a1f769b3 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" a1f769b3 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" a1f769b3 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA a1f769b3 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 a1f769b3 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3088 a1f769b3 3088 a1f769b3 3088 a1f769b3 3088 a1f769b3 3088 a1f769b3 3088 a1f769b3 3088 a1f769b3 3088 a1f769b3 3288 b6cabbfe1bc2545acc0d6920e1c6e69742274780c2857b46f14ff77a0e991a90.exe 3288 b6cabbfe1bc2545acc0d6920e1c6e69742274780c2857b46f14ff77a0e991a90.exe 3288 b6cabbfe1bc2545acc0d6920e1c6e69742274780c2857b46f14ff77a0e991a90.exe 3288 b6cabbfe1bc2545acc0d6920e1c6e69742274780c2857b46f14ff77a0e991a90.exe 3288 b6cabbfe1bc2545acc0d6920e1c6e69742274780c2857b46f14ff77a0e991a90.exe 3288 b6cabbfe1bc2545acc0d6920e1c6e69742274780c2857b46f14ff77a0e991a90.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3288 b6cabbfe1bc2545acc0d6920e1c6e69742274780c2857b46f14ff77a0e991a90.exe Token: SeTcbPrivilege 3288 b6cabbfe1bc2545acc0d6920e1c6e69742274780c2857b46f14ff77a0e991a90.exe Token: SeDebugPrivilege 3088 a1f769b3 Token: SeTcbPrivilege 3088 a1f769b3
Processes
-
C:\Users\Admin\AppData\Local\Temp\b6cabbfe1bc2545acc0d6920e1c6e69742274780c2857b46f14ff77a0e991a90.exe"C:\Users\Admin\AppData\Local\Temp\b6cabbfe1bc2545acc0d6920e1c6e69742274780c2857b46f14ff77a0e991a90.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:3288
-
C:\Windows\Syswow64\a1f769b3C:\Windows\Syswow64\a1f769b31⤵
- 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:3088
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\a1f769b3
- Size 2.1MB
- SHA256 053df55758cbebacb20822f9a5ad914ee1a8cbe0a564c2ba0fd83ec811d3cdfd
- MD5 2334aa941837fef59b41d539587a164d
- SHA1 876b0f6e07271bec3b153d8f40635163b630c6c3
- SHA512 9a92b3a0800e900fa4c000ecc4d9f04a10f193c383754e19e23aec845412ed8d9250d729c1a44115c40049aadf49a577748ab0f4b3a112e65de2ba46bce83b1c
- SSDEEP 49152:ZHHKO2FQd1oOU82lPJ6PsfsCWFn5+ovhnFvTGkQdh:ZnKl2qOb2lP8ssYoJxKkyh
- TLSH T12FA5BF12F7A1C072C4A7427189BB876EF674BD1157218ACBA3C03A5A5EB33D27E35309
- MD5 SHA1 SHA512 SSDEEP TLSH