Analysis
- max time kernel
149s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
21/04/2026, 22:28
Behavioral task
behavioral1
Sample
c088251c73efad269b435b24cd89872f3ce8c1e164484f11c2c19de6b94336bc.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target c088251c73efad269b435b24cd89872f3ce8c1e164484f11c2c19de6b94336bc.exe
- Size 832KB
- Sample260421-2dmtbsc14r
- SHA256 c088251c73efad269b435b24cd89872f3ce8c1e164484f11c2c19de6b94336bc
- MD5 cae30c340d0aca8b404e8fef70f2e073
- SHA1 2bce91e3be52c6b53dfa2d0467aacd7d9d9d9cfd
- SHA512 369092d13114535ffdda7af181fd1406e26a7a35b4e43c2be6783a657d3e35014315f9478284c1da977a351f2b84b608a52e0277d314ffaddff338fbfa10a1de
- SSDEEP 12288:eqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEuZ9oawhtyybAsLAkQ:ejHPOSOkx2LFscUQPxuZ98Es8kQ
- TLSH T1C1059D21E202C13AD49701B2C6BE0BAFA5687D15432561C7E3D87D6A2FB61D2BE3171F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5088 5fde420c - 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 3228 c088251c73efad269b435b24cd89872f3ce8c1e164484f11c2c19de6b94336bc.exe Destination IP 2 223.5.5.5 3228 c088251c73efad269b435b24cd89872f3ce8c1e164484f11c2c19de6b94336bc.exe Destination IP 18 114.114.114.114 3228 c088251c73efad269b435b24cd89872f3ce8c1e164484f11c2c19de6b94336bc.exe Destination IP 19 223.5.5.5 3228 c088251c73efad269b435b24cd89872f3ce8c1e164484f11c2c19de6b94336bc.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 5fde420c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 5fde420c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 5fde420c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 5fde420c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 5fde420c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 5fde420c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 5fde420c File created C:\Windows\SysWOW64\5fde420c c088251c73efad269b435b24cd89872f3ce8c1e164484f11c2c19de6b94336bc.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 5fde420c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 5fde420c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 5fde420c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 5fde420c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 5fde420c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 5fde420c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 5fde420c -
resource yara_rule behavioral2/memory/3228-0-0x0000000000370000-0x00000000003F9000-memory.dmp upx behavioral2/files/0x005600000002b191-2.dat upx behavioral2/memory/5088-3-0x0000000000990000-0x0000000000A19000-memory.dmp upx behavioral2/memory/3228-18-0x0000000000370000-0x00000000003F9000-memory.dmp upx behavioral2/memory/5088-20-0x0000000000990000-0x0000000000A19000-memory.dmp upx behavioral2/memory/5088-24-0x0000000000990000-0x0000000000A19000-memory.dmp upx behavioral2/memory/3228-35-0x0000000000370000-0x00000000003F9000-memory.dmp upx behavioral2/memory/5088-36-0x0000000000990000-0x0000000000A19000-memory.dmp upx behavioral2/memory/3228-39-0x0000000000370000-0x00000000003F9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\571bc0 5fde420c File opened for modification C:\Windows\3743b8 c088251c73efad269b435b24cd89872f3ce8c1e164484f11c2c19de6b94336bc.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 5fde420c Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c088251c73efad269b435b24cd89872f3ce8c1e164484f11c2c19de6b94336bc.exe - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 5fde420c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 5fde420c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 5fde420c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 5fde420c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 5fde420c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 5fde420c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 5fde420c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 5fde420c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 5fde420c - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5088 5fde420c 5088 5fde420c 5088 5fde420c 5088 5fde420c 5088 5fde420c 5088 5fde420c 5088 5fde420c 5088 5fde420c 3228 c088251c73efad269b435b24cd89872f3ce8c1e164484f11c2c19de6b94336bc.exe 3228 c088251c73efad269b435b24cd89872f3ce8c1e164484f11c2c19de6b94336bc.exe 3228 c088251c73efad269b435b24cd89872f3ce8c1e164484f11c2c19de6b94336bc.exe 3228 c088251c73efad269b435b24cd89872f3ce8c1e164484f11c2c19de6b94336bc.exe 3228 c088251c73efad269b435b24cd89872f3ce8c1e164484f11c2c19de6b94336bc.exe 3228 c088251c73efad269b435b24cd89872f3ce8c1e164484f11c2c19de6b94336bc.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3228 c088251c73efad269b435b24cd89872f3ce8c1e164484f11c2c19de6b94336bc.exe Token: SeTcbPrivilege 3228 c088251c73efad269b435b24cd89872f3ce8c1e164484f11c2c19de6b94336bc.exe Token: SeDebugPrivilege 5088 5fde420c Token: SeTcbPrivilege 5088 5fde420c
Processes
-
C:\Users\Admin\AppData\Local\Temp\c088251c73efad269b435b24cd89872f3ce8c1e164484f11c2c19de6b94336bc.exe"C:\Users\Admin\AppData\Local\Temp\c088251c73efad269b435b24cd89872f3ce8c1e164484f11c2c19de6b94336bc.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:3228
-
C:\Windows\Syswow64\5fde420cC:\Windows\Syswow64\5fde420c1⤵
- 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:5088
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\5fde420c
- Size 832KB
- SHA256 53ca8691baea40a1c678ec2ca1dac1ff720238cbcf21f16965603d555c04fbdf
- MD5 459949285ca0cc839019685a8e5fcef1
- SHA1 5d9853ba412f13a6ccc1dfa0442f25a2e9f9b0c8
- SHA512 e736e09a58105a4d53c22a01f15a44ee9cd1b886847e3765b1c80d0966c059f2622c757e9c55c6742cf7bed32c53b187e335b745a971e54c66057e54e87c47ac
- SSDEEP 12288:0qXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEuZ9oawhtyybAsLAkQ:0jHPOSOkx2LFscUQPxuZ98Es8kQ
- TLSH T120059D21E202C13AD49701B2C6BE0BAFA5687D15432561C7E3D87D6A2FB61D2BE3171F
- MD5 SHA1 SHA512 SSDEEP TLSH