Analysis
- max time kernel
149s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
27/05/2026, 14:27
Behavioral task
behavioral1
Sample
2343318e83ad762210472c2f18c5cec3f14a183662ead56f764e05b70f76cb47.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 2343318e83ad762210472c2f18c5cec3f14a183662ead56f764e05b70f76cb47.exe
- Size 2.5MB
- Sample260527-rss9jsf16l
- SHA256 2343318e83ad762210472c2f18c5cec3f14a183662ead56f764e05b70f76cb47
- MD5 4b1e4706a346fc9a3ee7a68c9a42a9fb
- SHA1 c68ef73a4cb80cc1feab88729beadbf594f8dae8
- SHA512 0d8ba63e5657aea8b28e4b346905c89a3715ce1b9f9a2bb02cecbbf64d30ea614fa25fe2e376b6ab24ec6fe06b9c4e734e1ca02622b8e85141cedf640e21a74d
- SSDEEP 49152:mHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:mnKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T195C58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3824 c46344a4 - 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 2 223.5.5.5 2720 2343318e83ad762210472c2f18c5cec3f14a183662ead56f764e05b70f76cb47.exe Destination IP 11 114.114.114.114 2720 2343318e83ad762210472c2f18c5cec3f14a183662ead56f764e05b70f76cb47.exe Destination IP 12 223.5.5.5 2720 2343318e83ad762210472c2f18c5cec3f14a183662ead56f764e05b70f76cb47.exe Destination IP 1 114.114.114.114 2720 2343318e83ad762210472c2f18c5cec3f14a183662ead56f764e05b70f76cb47.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft c46344a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData c46344a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c46344a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c46344a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE c46344a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies c46344a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c46344a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c46344a4 File created C:\Windows\SysWOW64\c46344a4 2343318e83ad762210472c2f18c5cec3f14a183662ead56f764e05b70f76cb47.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 c46344a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 c46344a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content c46344a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 c46344a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache c46344a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 c46344a4 -
resource yara_rule behavioral2/memory/2720-0-0x0000000000060000-0x00000000000EC000-memory.dmp upx behavioral2/files/0x000b00000002ace1-3.dat upx behavioral2/memory/3824-4-0x0000000000110000-0x000000000019C000-memory.dmp upx behavioral2/memory/2720-18-0x0000000000060000-0x00000000000EC000-memory.dmp upx behavioral2/memory/3824-19-0x0000000000110000-0x000000000019C000-memory.dmp upx behavioral2/memory/3824-30-0x0000000000110000-0x000000000019C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4177e0 c46344a4 File opened for modification C:\Windows\2e9140 2343318e83ad762210472c2f18c5cec3f14a183662ead56f764e05b70f76cb47.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 2343318e83ad762210472c2f18c5cec3f14a183662ead56f764e05b70f76cb47.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c46344a4 - 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 c46344a4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ c46344a4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" c46344a4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing c46344a4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" c46344a4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" c46344a4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" c46344a4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" c46344a4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" c46344a4 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3824 c46344a4 3824 c46344a4 3824 c46344a4 3824 c46344a4 3824 c46344a4 3824 c46344a4 3824 c46344a4 3824 c46344a4 2720 2343318e83ad762210472c2f18c5cec3f14a183662ead56f764e05b70f76cb47.exe 2720 2343318e83ad762210472c2f18c5cec3f14a183662ead56f764e05b70f76cb47.exe 2720 2343318e83ad762210472c2f18c5cec3f14a183662ead56f764e05b70f76cb47.exe 2720 2343318e83ad762210472c2f18c5cec3f14a183662ead56f764e05b70f76cb47.exe 2720 2343318e83ad762210472c2f18c5cec3f14a183662ead56f764e05b70f76cb47.exe 2720 2343318e83ad762210472c2f18c5cec3f14a183662ead56f764e05b70f76cb47.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2720 2343318e83ad762210472c2f18c5cec3f14a183662ead56f764e05b70f76cb47.exe Token: SeTcbPrivilege 2720 2343318e83ad762210472c2f18c5cec3f14a183662ead56f764e05b70f76cb47.exe Token: SeDebugPrivilege 3824 c46344a4 Token: SeTcbPrivilege 3824 c46344a4
Processes
-
C:\Users\Admin\AppData\Local\Temp\2343318e83ad762210472c2f18c5cec3f14a183662ead56f764e05b70f76cb47.exe"C:\Users\Admin\AppData\Local\Temp\2343318e83ad762210472c2f18c5cec3f14a183662ead56f764e05b70f76cb47.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:2720
-
C:\Windows\Syswow64\c46344a4C:\Windows\Syswow64\c46344a41⤵
- 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:3824
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\c46344a4
- Size 2.5MB
- SHA256 a15f56bcf8f6624749df5d2a99c90ef310dbf10f77524c6773a844caf9231fff
- MD5 ff850eeed162c64347e9055e5ae021bb
- SHA1 d21cf2399aec7cfcaf6e2480aae507e861f3a2d5
- SHA512 4c0fff317539762c655736dfba61286015bf46eabf0b2674d7eb2ff232e84ca68f6beadf43f8ae88edf8257ecc86101094e5dc35c5aa9c807a1c59180800ad4a
- SSDEEP 49152:SHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:SnKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T137C58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH