Analysis
- max time kernel
149s - max time network
156s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
19/04/2026, 19:53
Behavioral task
behavioral1
Sample
c2589d829daf3e36045d6e42cc44e1968fd19cc4d6227e808d32aadf18ceff2e.exe
Resource
win10v2004-20260130-en
10 signatures
150 seconds
General
- Target c2589d829daf3e36045d6e42cc44e1968fd19cc4d6227e808d32aadf18ceff2e.exe
- Size 271KB
- Sample260419-yl4v2aet61
- SHA256 c2589d829daf3e36045d6e42cc44e1968fd19cc4d6227e808d32aadf18ceff2e
- MD5 fda9f63b0c4d41011c2ed2dc8e70bf16
- SHA1 d7155064de5e762ad8ed597c120b5d234c984855
- SHA512 4f27435e2fbc8e10cca1d4deee8401249eaf41cde492b29822af632586d147de378402a644bd4b91f0faa641e06f77743692a9f440385c8ee8660cab878a1146
- SSDEEP 6144:zl51orRJXlDixHkUXe35rGcEOkCybEaQRXr9HNdvOa:FqXUHkUXe39sOkx2LIa
- TLSH T17844CF5BF27440B6C49AD678C9935A5AFBF1B815872143CF1320C25A1F737E2AE3A325
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4560 2b09eaf8 - 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 3828 c2589d829daf3e36045d6e42cc44e1968fd19cc4d6227e808d32aadf18ceff2e.exe Destination IP 2 223.5.5.5 3828 c2589d829daf3e36045d6e42cc44e1968fd19cc4d6227e808d32aadf18ceff2e.exe Destination IP 12 114.114.114.114 3828 c2589d829daf3e36045d6e42cc44e1968fd19cc4d6227e808d32aadf18ceff2e.exe Destination IP 13 223.5.5.5 3828 c2589d829daf3e36045d6e42cc44e1968fd19cc4d6227e808d32aadf18ceff2e.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 2b09eaf8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 2b09eaf8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 2b09eaf8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 2b09eaf8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 2b09eaf8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 2b09eaf8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 2b09eaf8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 2b09eaf8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 2b09eaf8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 2b09eaf8 File created C:\Windows\SysWOW64\2b09eaf8 c2589d829daf3e36045d6e42cc44e1968fd19cc4d6227e808d32aadf18ceff2e.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 2b09eaf8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 2b09eaf8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 2b09eaf8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 2b09eaf8 -
resource yara_rule behavioral2/memory/3828-0-0x0000000000FF0000-0x0000000001079000-memory.dmp upx behavioral2/files/0x000c000000027002-2.dat upx behavioral2/memory/4560-4-0x0000000000D20000-0x0000000000DA9000-memory.dmp upx behavioral2/memory/3828-10-0x0000000000FF0000-0x0000000001079000-memory.dmp upx behavioral2/memory/4560-12-0x0000000000D20000-0x0000000000DA9000-memory.dmp upx behavioral2/memory/4560-26-0x0000000000D20000-0x0000000000DA9000-memory.dmp upx behavioral2/memory/3828-35-0x0000000000FF0000-0x0000000001079000-memory.dmp upx behavioral2/memory/4560-37-0x0000000000D20000-0x0000000000DA9000-memory.dmp upx behavioral2/memory/4560-44-0x0000000000D20000-0x0000000000DA9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4e11a0 2b09eaf8 File opened for modification C:\Windows\418968 c2589d829daf3e36045d6e42cc44e1968fd19cc4d6227e808d32aadf18ceff2e.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 c2589d829daf3e36045d6e42cc44e1968fd19cc4d6227e808d32aadf18ceff2e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2b09eaf8 - 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" 2b09eaf8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 2b09eaf8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 2b09eaf8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 2b09eaf8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 2b09eaf8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 2b09eaf8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 2b09eaf8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2b09eaf8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 2b09eaf8 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4560 2b09eaf8 4560 2b09eaf8 4560 2b09eaf8 4560 2b09eaf8 4560 2b09eaf8 4560 2b09eaf8 4560 2b09eaf8 4560 2b09eaf8 3828 c2589d829daf3e36045d6e42cc44e1968fd19cc4d6227e808d32aadf18ceff2e.exe 3828 c2589d829daf3e36045d6e42cc44e1968fd19cc4d6227e808d32aadf18ceff2e.exe 3828 c2589d829daf3e36045d6e42cc44e1968fd19cc4d6227e808d32aadf18ceff2e.exe 3828 c2589d829daf3e36045d6e42cc44e1968fd19cc4d6227e808d32aadf18ceff2e.exe 3828 c2589d829daf3e36045d6e42cc44e1968fd19cc4d6227e808d32aadf18ceff2e.exe 3828 c2589d829daf3e36045d6e42cc44e1968fd19cc4d6227e808d32aadf18ceff2e.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3828 c2589d829daf3e36045d6e42cc44e1968fd19cc4d6227e808d32aadf18ceff2e.exe Token: SeTcbPrivilege 3828 c2589d829daf3e36045d6e42cc44e1968fd19cc4d6227e808d32aadf18ceff2e.exe Token: SeDebugPrivilege 4560 2b09eaf8 Token: SeTcbPrivilege 4560 2b09eaf8
Processes
-
C:\Users\Admin\AppData\Local\Temp\c2589d829daf3e36045d6e42cc44e1968fd19cc4d6227e808d32aadf18ceff2e.exe"C:\Users\Admin\AppData\Local\Temp\c2589d829daf3e36045d6e42cc44e1968fd19cc4d6227e808d32aadf18ceff2e.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:3828
-
C:\Windows\Syswow64\2b09eaf8C:\Windows\Syswow64\2b09eaf81⤵
- 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:4560
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\2b09eaf8
- Size 271KB
- SHA256 547809badee9041c3ae6c2e4b5763b7f66336c396df2407d1f05f7d73f84b798
- MD5 353286115683820738322fefd83499a0
- SHA1 f8182c8af7987caeec2794593078b669c1d82086
- SHA512 058c94545bbe8c33785fabeff1440dd75da868f3ca6803c1b4586987fc0ead9e7d4da4597fae0a1bb1c7825a0eb2e4a7871c6bb0388b17dc6b247a660152454f
- SSDEEP 6144:Ul51orRJXlDixHkUXe35rGcEOkCybEaQRXr9HNdvOa:IqXUHkUXe39sOkx2LIa
- TLSH T1A944CF5BF27440B6C49AD678C9935A5AFBF1B815872143CF1320C25A1F737E2AE3A325
- MD5 SHA1 SHA512 SSDEEP TLSH