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
17/04/2026, 22:20
Behavioral task
behavioral1
Sample
cdf89e295e2693e1f707bd27be1e990b9962f558754aedadbc249831b36ee729.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target cdf89e295e2693e1f707bd27be1e990b9962f558754aedadbc249831b36ee729.exe
- Size 1024KB
- Sample260417-183mlacx91
- SHA256 cdf89e295e2693e1f707bd27be1e990b9962f558754aedadbc249831b36ee729
- MD5 f26fb89b5bf09090b25c6194255b734c
- SHA1 102c4197abd8891bcbdc9fb4372b74931e793b78
- SHA512 c3685e3c02bbe9fb174aae5e09732459a5d7b24b8c8586d8565f0f7c6fccd837906d821f908e6dfb51292fe0ef7e945602ca179d3b914f5ab1f1916f39c9f01e
- SSDEEP 24576:/jHPOSOkx2LFshuZ98Es8k3OH3C0rQ6+y:/TGkQyhuTtS0rQi
- TLSH T11025AF31E242C03AD5A70172C6BE0BAF95787D25472951C7A3D43D6A2FB22D2AE3570F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4316 99eea730 - 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 11 223.5.5.5 2304 cdf89e295e2693e1f707bd27be1e990b9962f558754aedadbc249831b36ee729.exe Destination IP 1 114.114.114.114 2304 cdf89e295e2693e1f707bd27be1e990b9962f558754aedadbc249831b36ee729.exe Destination IP 2 223.5.5.5 2304 cdf89e295e2693e1f707bd27be1e990b9962f558754aedadbc249831b36ee729.exe Destination IP 10 114.114.114.114 2304 cdf89e295e2693e1f707bd27be1e990b9962f558754aedadbc249831b36ee729.exe - Drops file in System32 directory 17 IoCs
description ioc Process File created C:\Windows\SysWOW64\99eea730 cdf89e295e2693e1f707bd27be1e990b9962f558754aedadbc249831b36ee729.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 99eea730 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 99eea730 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 99eea730 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 99eea730 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 99eea730 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 99eea730 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 99eea730 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 99eea730 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 99eea730 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 99eea730 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 99eea730 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 99eea730 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 99eea730 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 99eea730 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 99eea730 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 99eea730 -
resource yara_rule behavioral2/memory/2304-0-0x00000000006B0000-0x0000000000739000-memory.dmp upx behavioral2/files/0x002000000002b202-2.dat upx behavioral2/memory/4316-3-0x0000000000870000-0x00000000008F9000-memory.dmp upx behavioral2/memory/2304-15-0x00000000006B0000-0x0000000000739000-memory.dmp upx behavioral2/memory/4316-18-0x0000000000870000-0x00000000008F9000-memory.dmp upx behavioral2/memory/2304-33-0x00000000006B0000-0x0000000000739000-memory.dmp upx behavioral2/memory/4316-35-0x0000000000870000-0x00000000008F9000-memory.dmp upx behavioral2/memory/2304-68-0x00000000006B0000-0x0000000000739000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\49e438 99eea730 File opened for modification C:\Windows\277200 cdf89e295e2693e1f707bd27be1e990b9962f558754aedadbc249831b36ee729.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 cdf89e295e2693e1f707bd27be1e990b9962f558754aedadbc249831b36ee729.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 99eea730 - 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\History\CachePrefix = "Visited:" 99eea730 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 99eea730 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 99eea730 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 99eea730 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 99eea730 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 99eea730 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 99eea730 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 99eea730 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 99eea730 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4316 99eea730 4316 99eea730 4316 99eea730 4316 99eea730 4316 99eea730 4316 99eea730 4316 99eea730 4316 99eea730 2304 cdf89e295e2693e1f707bd27be1e990b9962f558754aedadbc249831b36ee729.exe 2304 cdf89e295e2693e1f707bd27be1e990b9962f558754aedadbc249831b36ee729.exe 2304 cdf89e295e2693e1f707bd27be1e990b9962f558754aedadbc249831b36ee729.exe 2304 cdf89e295e2693e1f707bd27be1e990b9962f558754aedadbc249831b36ee729.exe 2304 cdf89e295e2693e1f707bd27be1e990b9962f558754aedadbc249831b36ee729.exe 2304 cdf89e295e2693e1f707bd27be1e990b9962f558754aedadbc249831b36ee729.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2304 cdf89e295e2693e1f707bd27be1e990b9962f558754aedadbc249831b36ee729.exe Token: SeTcbPrivilege 2304 cdf89e295e2693e1f707bd27be1e990b9962f558754aedadbc249831b36ee729.exe Token: SeDebugPrivilege 4316 99eea730 Token: SeTcbPrivilege 4316 99eea730
Processes
-
C:\Users\Admin\AppData\Local\Temp\cdf89e295e2693e1f707bd27be1e990b9962f558754aedadbc249831b36ee729.exe"C:\Users\Admin\AppData\Local\Temp\cdf89e295e2693e1f707bd27be1e990b9962f558754aedadbc249831b36ee729.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:2304
-
C:\Windows\Syswow64\99eea730C:\Windows\Syswow64\99eea7301⤵
- 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:4316
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\99eea730
- Size 1024KB
- SHA256 036330438c833a6f0dea41b977fa3385b6c2c89bf1a65f1752c43dfd6a03281f
- MD5 476fd25508815928e40280c116d0425c
- SHA1 e9f056a446b66094451ed380f5e5c0c024ca71ae
- SHA512 22e370bc000ee55afb02cdb2ab099f08f2a114f03464afa3b85fffae40a5003b269b32e05d79ee4cee3e860d3a10a35b3bca9901d95d7577a74c2a8924277721
- SSDEEP 24576:mjHPOSOkx2LFshuZ98Es8k3OH3C0rQ6+y:mTGkQyhuTtS0rQi
- TLSH T12C25AF31E242C03AD5A70172C6BE0BAF95787D25472951C7A3D43D6A2FB22D2AE3570F
- MD5 SHA1 SHA512 SSDEEP TLSH