Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
24/04/2026, 02:40
Behavioral task
behavioral1
Sample
c2dd4dce40272fbcc1ae7680bf36ba470ba3f2efc3b436aa25601942d27eb919.exe
Resource
win10v2004-20260130-en
9 signatures
150 seconds
General
- Target c2dd4dce40272fbcc1ae7680bf36ba470ba3f2efc3b436aa25601942d27eb919.exe
- Size 2.5MB
- Sample260424-c58gnsds21
- SHA256 c2dd4dce40272fbcc1ae7680bf36ba470ba3f2efc3b436aa25601942d27eb919
- MD5 d73e1947ecf1f562cf56146a95e07697
- SHA1 2ebe903c6e04347e67889309884b9f8ba71f3e85
- SHA512 b132afe7e27c68dc67992d7399346ac0bae9f892bc9bce31b865499eb70b4d0e41e69fe458bd77d84ec795a947880c849172f0dd7967adc3431bd1dda8a8ece0
- SSDEEP 49152:pHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:pnKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T132C58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2484 4078989c - 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 3036 c2dd4dce40272fbcc1ae7680bf36ba470ba3f2efc3b436aa25601942d27eb919.exe Destination IP 2 223.5.5.5 3036 c2dd4dce40272fbcc1ae7680bf36ba470ba3f2efc3b436aa25601942d27eb919.exe Destination IP 8 114.114.114.114 3036 c2dd4dce40272fbcc1ae7680bf36ba470ba3f2efc3b436aa25601942d27eb919.exe Destination IP 9 223.5.5.5 3036 c2dd4dce40272fbcc1ae7680bf36ba470ba3f2efc3b436aa25601942d27eb919.exe - Drops file in System32 directory 11 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4078989c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4078989c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4078989c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4078989c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4078989c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4078989c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4078989c File created C:\Windows\SysWOW64\4078989c c2dd4dce40272fbcc1ae7680bf36ba470ba3f2efc3b436aa25601942d27eb919.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4078989c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4078989c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4078989c -
resource yara_rule behavioral2/memory/3036-0-0x0000000000C30000-0x0000000000CBC000-memory.dmp upx behavioral2/files/0x000c000000029ee3-2.dat upx behavioral2/memory/2484-3-0x0000000000A90000-0x0000000000B1C000-memory.dmp upx behavioral2/memory/3036-10-0x0000000000C30000-0x0000000000CBC000-memory.dmp upx behavioral2/memory/2484-12-0x0000000000A90000-0x0000000000B1C000-memory.dmp upx behavioral2/memory/2484-34-0x0000000000A90000-0x0000000000B1C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\33fa38 c2dd4dce40272fbcc1ae7680bf36ba470ba3f2efc3b436aa25601942d27eb919.exe File opened for modification C:\Windows\2a86e8 4078989c - 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 c2dd4dce40272fbcc1ae7680bf36ba470ba3f2efc3b436aa25601942d27eb919.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4078989c - 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 4078989c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4078989c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4078989c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4078989c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4078989c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4078989c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4078989c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4078989c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4078989c - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2484 4078989c 2484 4078989c 2484 4078989c 2484 4078989c 2484 4078989c 2484 4078989c 2484 4078989c 2484 4078989c 3036 c2dd4dce40272fbcc1ae7680bf36ba470ba3f2efc3b436aa25601942d27eb919.exe 3036 c2dd4dce40272fbcc1ae7680bf36ba470ba3f2efc3b436aa25601942d27eb919.exe 3036 c2dd4dce40272fbcc1ae7680bf36ba470ba3f2efc3b436aa25601942d27eb919.exe 3036 c2dd4dce40272fbcc1ae7680bf36ba470ba3f2efc3b436aa25601942d27eb919.exe 3036 c2dd4dce40272fbcc1ae7680bf36ba470ba3f2efc3b436aa25601942d27eb919.exe 3036 c2dd4dce40272fbcc1ae7680bf36ba470ba3f2efc3b436aa25601942d27eb919.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3036 c2dd4dce40272fbcc1ae7680bf36ba470ba3f2efc3b436aa25601942d27eb919.exe Token: SeTcbPrivilege 3036 c2dd4dce40272fbcc1ae7680bf36ba470ba3f2efc3b436aa25601942d27eb919.exe Token: SeDebugPrivilege 2484 4078989c Token: SeTcbPrivilege 2484 4078989c
Processes
-
C:\Users\Admin\AppData\Local\Temp\c2dd4dce40272fbcc1ae7680bf36ba470ba3f2efc3b436aa25601942d27eb919.exe"C:\Users\Admin\AppData\Local\Temp\c2dd4dce40272fbcc1ae7680bf36ba470ba3f2efc3b436aa25601942d27eb919.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:3036
-
C:\Windows\Syswow64\4078989cC:\Windows\Syswow64\4078989c1⤵
- 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:2484
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\4078989c
- Size 2.5MB
- SHA256 16a69fcd2f88a71856a4bee014bfcd4c0f04cd06f0906b5416880866771a5403
- MD5 5765173dbd9a0db51db775621a0082af
- SHA1 89b026449766b399de5b91f16af22bc32bde35c4
- SHA512 c6bf142211896d2d7a2bb8eff022aeb89ff0b1558cefa9c582f01268b96c0349cca717bfb7569c3cf0edb05253ab9a8f8380a63058748effad1bd282c0fb7781
- SSDEEP 49152:pHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:pnKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T11EC58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH