Analysis
- max time kernel
150s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/08/2026, 06:34
Behavioral task
behavioral1
Sample
a94a1048662392e5146bb0bdeb29128217bb19a57397ae67a4512dca0ef9a575.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
2 signatures
150 seconds
General
- Target a94a1048662392e5146bb0bdeb29128217bb19a57397ae67a4512dca0ef9a575.exe
- Size 3.0MB
- Sample260823-hbsr1seq3w
- SHA256 a94a1048662392e5146bb0bdeb29128217bb19a57397ae67a4512dca0ef9a575
- MD5 cf20f22bc746942c7dd07e1ce3f8cbf1
- SHA1 5ebc76f2c292d357b6f4730fb12305d77ed44da4
- SHA512 d7f577a82587cbdc1045f1cb69321999f7770c49b3743bfc84947c42cd2f6f61ca1e9948dc97db9f80fe729a89bffe173a633a33caf26b84ba1756bc66993b20
- SSDEEP 49152:CA/JuTQKqVmgbQIzZMPXpB91rHpn/qKmNAOaG6IOY/:d/whnLrHp/qKm2/Sb/
- TLSH T1FBE55953EB914AE8E39D0536DF544150E72AF2256BEF13A27428420DDE83387BF61A3D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5632 3e171d9b - 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 3000 a94a1048662392e5146bb0bdeb29128217bb19a57397ae67a4512dca0ef9a575.exe Destination IP 2 223.5.5.5 3000 a94a1048662392e5146bb0bdeb29128217bb19a57397ae67a4512dca0ef9a575.exe Destination IP 8 114.114.114.114 3000 a94a1048662392e5146bb0bdeb29128217bb19a57397ae67a4512dca0ef9a575.exe Destination IP 9 223.5.5.5 3000 a94a1048662392e5146bb0bdeb29128217bb19a57397ae67a4512dca0ef9a575.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3e171d9b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3e171d9b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3e171d9b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3e171d9b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3e171d9b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3e171d9b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3e171d9b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3e171d9b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3e171d9b File created C:\Windows\SysWOW64\3e171d9b a94a1048662392e5146bb0bdeb29128217bb19a57397ae67a4512dca0ef9a575.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3e171d9b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3e171d9b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3e171d9b -
resource yara_rule behavioral2/memory/3000-0-0x0000000000960000-0x0000000000C65000-memory.dmp upx behavioral2/files/0x001100000001122a-2.dat upx behavioral2/memory/5632-4-0x0000000000A80000-0x0000000000D85000-memory.dmp upx behavioral2/memory/3000-5-0x0000000000960000-0x0000000000C65000-memory.dmp upx behavioral2/memory/5632-6-0x0000000000A80000-0x0000000000D85000-memory.dmp upx behavioral2/memory/5632-21-0x0000000000A80000-0x0000000000D85000-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 a94a1048662392e5146bb0bdeb29128217bb19a57397ae67a4512dca0ef9a575.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3e171d9b - 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 3e171d9b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3e171d9b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3e171d9b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3e171d9b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3e171d9b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 3e171d9b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3e171d9b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3e171d9b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3e171d9b - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5632 3e171d9b 5632 3e171d9b 5632 3e171d9b 5632 3e171d9b 5632 3e171d9b 5632 3e171d9b 5632 3e171d9b 5632 3e171d9b 3000 a94a1048662392e5146bb0bdeb29128217bb19a57397ae67a4512dca0ef9a575.exe 3000 a94a1048662392e5146bb0bdeb29128217bb19a57397ae67a4512dca0ef9a575.exe 3000 a94a1048662392e5146bb0bdeb29128217bb19a57397ae67a4512dca0ef9a575.exe 3000 a94a1048662392e5146bb0bdeb29128217bb19a57397ae67a4512dca0ef9a575.exe 3000 a94a1048662392e5146bb0bdeb29128217bb19a57397ae67a4512dca0ef9a575.exe 3000 a94a1048662392e5146bb0bdeb29128217bb19a57397ae67a4512dca0ef9a575.exe 3000 a94a1048662392e5146bb0bdeb29128217bb19a57397ae67a4512dca0ef9a575.exe 3000 a94a1048662392e5146bb0bdeb29128217bb19a57397ae67a4512dca0ef9a575.exe 3000 a94a1048662392e5146bb0bdeb29128217bb19a57397ae67a4512dca0ef9a575.exe 3000 a94a1048662392e5146bb0bdeb29128217bb19a57397ae67a4512dca0ef9a575.exe 3000 a94a1048662392e5146bb0bdeb29128217bb19a57397ae67a4512dca0ef9a575.exe 3000 a94a1048662392e5146bb0bdeb29128217bb19a57397ae67a4512dca0ef9a575.exe 3000 a94a1048662392e5146bb0bdeb29128217bb19a57397ae67a4512dca0ef9a575.exe 3000 a94a1048662392e5146bb0bdeb29128217bb19a57397ae67a4512dca0ef9a575.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3000 a94a1048662392e5146bb0bdeb29128217bb19a57397ae67a4512dca0ef9a575.exe Token: SeTcbPrivilege 3000 a94a1048662392e5146bb0bdeb29128217bb19a57397ae67a4512dca0ef9a575.exe Token: SeDebugPrivilege 5632 3e171d9b Token: SeTcbPrivilege 5632 3e171d9b
Processes
-
C:\Users\Admin\AppData\Local\Temp\a94a1048662392e5146bb0bdeb29128217bb19a57397ae67a4512dca0ef9a575.exe"C:\Users\Admin\AppData\Local\Temp\a94a1048662392e5146bb0bdeb29128217bb19a57397ae67a4512dca0ef9a575.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:3000
-
C:\Windows\Syswow64\3e171d9bC:\Windows\Syswow64\3e171d9b1⤵
- 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:5632
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\3e171d9b
- Size 3.0MB
- SHA256 42d46eed19c91da71b7455e7cb39821262576be1e2ceb5afdbda9a3422c4c1bc
- MD5 0e6c948586cddf7d2cf9ff432c4acaea
- SHA1 88d99db54918395561e6893c6fc224b7475c35fb
- SHA512 71047edb2f201e56e60c909deba6da20f6540da5f9bc1dde6347798579ac03fbe15fc328a6143854fa426040d03656c6697984bc1905719e8cbe957187b834b6
- SSDEEP 49152:1A/JuTQKqVmgbQIzZMPXpB91rHpn/qKmNAOaG6IOY/:S/whnLrHp/qKm2/Sb/
- TLSH T1C6E55953EB914AE8E39D0536DF544150E72AF2256BEF13A27428420DDE83387BF61A3D
- MD5 SHA1 SHA512 SSDEEP TLSH