Analysis
- max time kernel
149s - max time network
144s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
22/04/2026, 22:22
Behavioral task
behavioral1
Sample
1db62e0c7b8f9e362e05b4ede976bca930320abc4bb1ed4608ddac3e01a23642.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 1db62e0c7b8f9e362e05b4ede976bca930320abc4bb1ed4608ddac3e01a23642.exe
- Size 768KB
- Sample260422-2actysc17s
- SHA256 1db62e0c7b8f9e362e05b4ede976bca930320abc4bb1ed4608ddac3e01a23642
- MD5 7bf1e760ec0ddc5ac67b8cc52ffc4641
- SHA1 e4c7953841e9dd3801f6aa137125ac77d7c28eff
- SHA512 6e9053ed30d5e84b542c46b9315b7fe0dbb210e224cf86440d85a12ef09279fb2b650e40fb3bac9c14012ecb98bb4905e948aad6da68c9bd7222fc01d25acbe9
- SSDEEP 12288:2qXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:2jHPOSOkx2LFscU6UQOJdT
- TLSH T123F47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2088 d83bc08c - Unexpected DNS network traffic destination 12 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 57 223.5.5.5 3280 1db62e0c7b8f9e362e05b4ede976bca930320abc4bb1ed4608ddac3e01a23642.exe Destination IP 117 114.114.114.114 3280 1db62e0c7b8f9e362e05b4ede976bca930320abc4bb1ed4608ddac3e01a23642.exe Destination IP 129 114.114.114.114 2088 d83bc08c Destination IP 135 223.5.5.5 3280 1db62e0c7b8f9e362e05b4ede976bca930320abc4bb1ed4608ddac3e01a23642.exe Destination IP 188 114.114.114.114 3280 1db62e0c7b8f9e362e05b4ede976bca930320abc4bb1ed4608ddac3e01a23642.exe Destination IP 1 114.114.114.114 3280 1db62e0c7b8f9e362e05b4ede976bca930320abc4bb1ed4608ddac3e01a23642.exe Destination IP 2 223.5.5.5 3280 1db62e0c7b8f9e362e05b4ede976bca930320abc4bb1ed4608ddac3e01a23642.exe Destination IP 35 114.114.114.114 3280 1db62e0c7b8f9e362e05b4ede976bca930320abc4bb1ed4608ddac3e01a23642.exe Destination IP 56 114.114.114.114 3280 1db62e0c7b8f9e362e05b4ede976bca930320abc4bb1ed4608ddac3e01a23642.exe Destination IP 118 223.5.5.5 3280 1db62e0c7b8f9e362e05b4ede976bca930320abc4bb1ed4608ddac3e01a23642.exe Destination IP 189 223.5.5.5 3280 1db62e0c7b8f9e362e05b4ede976bca930320abc4bb1ed4608ddac3e01a23642.exe Destination IP 36 223.5.5.5 3280 1db62e0c7b8f9e362e05b4ede976bca930320abc4bb1ed4608ddac3e01a23642.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d83bc08c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 d83bc08c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d83bc08c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d83bc08c File created C:\Windows\SysWOW64\d83bc08c 1db62e0c7b8f9e362e05b4ede976bca930320abc4bb1ed4608ddac3e01a23642.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE d83bc08c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies d83bc08c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d83bc08c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 d83bc08c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft d83bc08c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache d83bc08c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content d83bc08c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 d83bc08c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData d83bc08c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 d83bc08c -
resource yara_rule behavioral2/memory/3280-0-0x0000000000B20000-0x0000000000BA9000-memory.dmp upx behavioral2/files/0x000a00000002a10a-2.dat upx behavioral2/memory/2088-4-0x0000000000260000-0x00000000002E9000-memory.dmp upx behavioral2/memory/3280-18-0x0000000000B20000-0x0000000000BA9000-memory.dmp upx behavioral2/memory/2088-20-0x0000000000260000-0x00000000002E9000-memory.dmp upx behavioral2/memory/2088-24-0x0000000000260000-0x00000000002E9000-memory.dmp upx behavioral2/memory/2088-26-0x0000000000260000-0x00000000002E9000-memory.dmp upx behavioral2/memory/3280-37-0x0000000000B20000-0x0000000000BA9000-memory.dmp upx behavioral2/memory/2088-38-0x0000000000260000-0x00000000002E9000-memory.dmp upx behavioral2/memory/3280-41-0x0000000000B20000-0x0000000000BA9000-memory.dmp upx behavioral2/memory/2088-46-0x0000000000260000-0x00000000002E9000-memory.dmp upx behavioral2/memory/2088-47-0x0000000000260000-0x00000000002E9000-memory.dmp upx behavioral2/memory/3280-48-0x0000000000B20000-0x0000000000BA9000-memory.dmp upx behavioral2/memory/3280-52-0x0000000000B20000-0x0000000000BA9000-memory.dmp upx behavioral2/memory/3280-54-0x0000000000B20000-0x0000000000BA9000-memory.dmp upx behavioral2/memory/3280-56-0x0000000000B20000-0x0000000000BA9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\23bf50 d83bc08c File opened for modification C:\Windows\3827a0 1db62e0c7b8f9e362e05b4ede976bca930320abc4bb1ed4608ddac3e01a23642.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 1db62e0c7b8f9e362e05b4ede976bca930320abc4bb1ed4608ddac3e01a23642.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d83bc08c - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" d83bc08c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" d83bc08c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ d83bc08c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" d83bc08c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" d83bc08c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing d83bc08c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix d83bc08c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" d83bc08c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" d83bc08c - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2088 d83bc08c 2088 d83bc08c 2088 d83bc08c 2088 d83bc08c 2088 d83bc08c 2088 d83bc08c 2088 d83bc08c 2088 d83bc08c 3280 1db62e0c7b8f9e362e05b4ede976bca930320abc4bb1ed4608ddac3e01a23642.exe 3280 1db62e0c7b8f9e362e05b4ede976bca930320abc4bb1ed4608ddac3e01a23642.exe 3280 1db62e0c7b8f9e362e05b4ede976bca930320abc4bb1ed4608ddac3e01a23642.exe 3280 1db62e0c7b8f9e362e05b4ede976bca930320abc4bb1ed4608ddac3e01a23642.exe 3280 1db62e0c7b8f9e362e05b4ede976bca930320abc4bb1ed4608ddac3e01a23642.exe 3280 1db62e0c7b8f9e362e05b4ede976bca930320abc4bb1ed4608ddac3e01a23642.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3280 1db62e0c7b8f9e362e05b4ede976bca930320abc4bb1ed4608ddac3e01a23642.exe Token: SeTcbPrivilege 3280 1db62e0c7b8f9e362e05b4ede976bca930320abc4bb1ed4608ddac3e01a23642.exe Token: SeDebugPrivilege 2088 d83bc08c Token: SeTcbPrivilege 2088 d83bc08c
Processes
-
C:\Users\Admin\AppData\Local\Temp\1db62e0c7b8f9e362e05b4ede976bca930320abc4bb1ed4608ddac3e01a23642.exe"C:\Users\Admin\AppData\Local\Temp\1db62e0c7b8f9e362e05b4ede976bca930320abc4bb1ed4608ddac3e01a23642.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:3280
-
C:\Windows\Syswow64\d83bc08cC:\Windows\Syswow64\d83bc08c1⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:2088
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\d83bc08c
- Size 768KB
- SHA256 dc05475767c216372c1d8b0047297c2c1f0524becff36b6447df544f379489fc
- MD5 ebf750d939659a2103fee3e89a46d305
- SHA1 3a7d590e5403f7ae34ee3d015b09c80ff81807d3
- SHA512 6c706e4930e50c790f2b9195cdbe8d710b5b5406330de8618f410fb05b2caf2651b860bfc1727baa81b5e2500a6e149528e323bdccbaf58687b999188136b760
- SSDEEP 12288:0qXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:0jHPOSOkx2LFscU6UQOJdT
- TLSH T136F47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH