Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
29/05/2026, 04:39
Behavioral task
behavioral1
Sample
e7b7fab7a32ea2c9a1b75bf938480536727788a0a0135e6579d7dc22e091605d.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target e7b7fab7a32ea2c9a1b75bf938480536727788a0a0135e6579d7dc22e091605d.exe
- Size 271KB
- Sample260529-e98pcacy5q
- SHA256 e7b7fab7a32ea2c9a1b75bf938480536727788a0a0135e6579d7dc22e091605d
- MD5 ed32556137816360e81fc0d5e4cc9816
- SHA1 b9a182feab0d10463e67448a1adc488012cbb0a2
- SHA512 f77fd31826a2cd2ef3208368e0c940907374f931778e1a5d054c65991fdc0f5b4a27628c78156fefb0371f5d91582572c80d3df2eaa633671c3e679e6614783a
- SSDEEP 6144:hl51orRJXlDixHkUXe34cEOkCybEaQRXr9HNdvOa:/qXUHkUXe3GOkx2LIa
- TLSH T1DA44CF5BF2744076C49AD678C9935A9AFBF1B815872143CF1320C25A1F737E2AE3A325
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4192 bc6376de - Unexpected DNS network traffic destination 8 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 72 114.114.114.114 4816 e7b7fab7a32ea2c9a1b75bf938480536727788a0a0135e6579d7dc22e091605d.exe Destination IP 73 223.5.5.5 4816 e7b7fab7a32ea2c9a1b75bf938480536727788a0a0135e6579d7dc22e091605d.exe Destination IP 154 114.114.114.114 4816 e7b7fab7a32ea2c9a1b75bf938480536727788a0a0135e6579d7dc22e091605d.exe Destination IP 155 223.5.5.5 4816 e7b7fab7a32ea2c9a1b75bf938480536727788a0a0135e6579d7dc22e091605d.exe Destination IP 215 114.114.114.114 4816 e7b7fab7a32ea2c9a1b75bf938480536727788a0a0135e6579d7dc22e091605d.exe Destination IP 216 223.5.5.5 4816 e7b7fab7a32ea2c9a1b75bf938480536727788a0a0135e6579d7dc22e091605d.exe Destination IP 2 114.114.114.114 4816 e7b7fab7a32ea2c9a1b75bf938480536727788a0a0135e6579d7dc22e091605d.exe Destination IP 4 223.5.5.5 4816 e7b7fab7a32ea2c9a1b75bf938480536727788a0a0135e6579d7dc22e091605d.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 bc6376de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData bc6376de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 bc6376de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 bc6376de File created C:\Windows\SysWOW64\bc6376de e7b7fab7a32ea2c9a1b75bf938480536727788a0a0135e6579d7dc22e091605d.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 bc6376de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache bc6376de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content bc6376de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies bc6376de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft bc6376de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 bc6376de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 bc6376de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE bc6376de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 bc6376de File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 bc6376de -
resource yara_rule behavioral1/memory/4816-0-0x00000000001B0000-0x0000000000239000-memory.dmp upx behavioral1/files/0x000500000002345a-2.dat upx behavioral1/memory/4192-3-0x0000000000570000-0x00000000005F9000-memory.dmp upx behavioral1/memory/4816-18-0x00000000001B0000-0x0000000000239000-memory.dmp upx behavioral1/memory/4192-21-0x0000000000570000-0x00000000005F9000-memory.dmp upx behavioral1/memory/4816-33-0x00000000001B0000-0x0000000000239000-memory.dmp upx behavioral1/memory/4192-34-0x0000000000570000-0x00000000005F9000-memory.dmp upx behavioral1/memory/4816-45-0x00000000001B0000-0x0000000000239000-memory.dmp upx behavioral1/memory/4816-56-0x00000000001B0000-0x0000000000239000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\47c4c0 bc6376de File opened for modification C:\Windows\5273a0 e7b7fab7a32ea2c9a1b75bf938480536727788a0a0135e6579d7dc22e091605d.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 e7b7fab7a32ea2c9a1b75bf938480536727788a0a0135e6579d7dc22e091605d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bc6376de - 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 bc6376de Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing bc6376de Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" bc6376de Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" bc6376de Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ bc6376de Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" bc6376de Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" bc6376de Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" bc6376de Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" bc6376de - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4192 bc6376de 4192 bc6376de 4192 bc6376de 4192 bc6376de 4192 bc6376de 4192 bc6376de 4192 bc6376de 4192 bc6376de 4816 e7b7fab7a32ea2c9a1b75bf938480536727788a0a0135e6579d7dc22e091605d.exe 4816 e7b7fab7a32ea2c9a1b75bf938480536727788a0a0135e6579d7dc22e091605d.exe 4816 e7b7fab7a32ea2c9a1b75bf938480536727788a0a0135e6579d7dc22e091605d.exe 4816 e7b7fab7a32ea2c9a1b75bf938480536727788a0a0135e6579d7dc22e091605d.exe 4816 e7b7fab7a32ea2c9a1b75bf938480536727788a0a0135e6579d7dc22e091605d.exe 4816 e7b7fab7a32ea2c9a1b75bf938480536727788a0a0135e6579d7dc22e091605d.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4816 e7b7fab7a32ea2c9a1b75bf938480536727788a0a0135e6579d7dc22e091605d.exe Token: SeTcbPrivilege 4816 e7b7fab7a32ea2c9a1b75bf938480536727788a0a0135e6579d7dc22e091605d.exe Token: SeDebugPrivilege 4192 bc6376de Token: SeTcbPrivilege 4192 bc6376de
Processes
-
C:\Users\Admin\AppData\Local\Temp\e7b7fab7a32ea2c9a1b75bf938480536727788a0a0135e6579d7dc22e091605d.exe"C:\Users\Admin\AppData\Local\Temp\e7b7fab7a32ea2c9a1b75bf938480536727788a0a0135e6579d7dc22e091605d.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:4816
-
C:\Windows\Syswow64\bc6376deC:\Windows\Syswow64\bc6376de1⤵
- 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:4192
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\bc6376de
- Size 271KB
- SHA256 d8920ad310fe7d514ae45cc5b1f9a8889e6ebf1182ad54543c5b55d7210b7c49
- MD5 cb159095913ca8fa42439ce84af48208
- SHA1 33c5bbb92ce8d8fc89186cbe6474d075904de013
- SHA512 04322a50233949b1c89d319823cd1860c81c610359e2144bcbc5c1cc12060228dd9895c8ebb41f25d46740c391b419a85aa88fcca272a8ca591ba7b0ce7e1004
- SSDEEP 6144:Wl51orRJXlDixHkUXe34cEOkCybEaQRXr9HNdvOa:eqXUHkUXe3GOkx2LIa
- TLSH T1B244CF5BF2744076C49AD678C9935A9AFBF1B815872143CF1320C25A1F737E2AE3A325
- MD5 SHA1 SHA512 SSDEEP TLSH