Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
11/05/2026, 19:41
Behavioral task
behavioral1
Sample
d898a07a10705647ad931ea9d082ffafeb9a444bc5856693b22815d1983823bc.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
d898a07a10705647ad931ea9d082ffafeb9a444bc5856693b22815d1983823bc.exe
Resource
win11-20250610-en
windows11-21h2-x64
10 signatures
150 seconds
General
- Target d898a07a10705647ad931ea9d082ffafeb9a444bc5856693b22815d1983823bc.exe
- Size 618KB
- Sample260511-yeebsshs8w
- SHA256 d898a07a10705647ad931ea9d082ffafeb9a444bc5856693b22815d1983823bc
- MD5 5856a6042913f02c45a8fc470bc2ab80
- SHA1 5d0de75cccff2253b6657682019d69cef27f4250
- SHA512 4c4610ca1b64f2e72c305f08aab83901d63e2216657ff8fa0906884fc87126f243f4ddfd7068ead3181d9a168fef5aa01ef6c53ca511aa77a259d3ac5480ee4c
- SSDEEP 12288:2qXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:2jHPOSOkx2LFscUQPxW
- TLSH T11ED47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4292 cd629f8 - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 4 223.5.5.5 4660 d898a07a10705647ad931ea9d082ffafeb9a444bc5856693b22815d1983823bc.exe Destination IP 40 114.114.114.114 4660 d898a07a10705647ad931ea9d082ffafeb9a444bc5856693b22815d1983823bc.exe Destination IP 43 223.5.5.5 4660 d898a07a10705647ad931ea9d082ffafeb9a444bc5856693b22815d1983823bc.exe Destination IP 102 114.114.114.114 4660 d898a07a10705647ad931ea9d082ffafeb9a444bc5856693b22815d1983823bc.exe Destination IP 103 223.5.5.5 4660 d898a07a10705647ad931ea9d082ffafeb9a444bc5856693b22815d1983823bc.exe Destination IP 3 114.114.114.114 4660 d898a07a10705647ad931ea9d082ffafeb9a444bc5856693b22815d1983823bc.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 cd629f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies cd629f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft cd629f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData cd629f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 cd629f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 cd629f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 cd629f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cd629f8 File created C:\Windows\SysWOW64\cd629f8 d898a07a10705647ad931ea9d082ffafeb9a444bc5856693b22815d1983823bc.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE cd629f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache cd629f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 cd629f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content cd629f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cd629f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cd629f8 -
resource yara_rule behavioral1/memory/4660-0-0x00000000000F0000-0x0000000000179000-memory.dmp upx behavioral1/files/0x00080000000243e9-2.dat upx behavioral1/memory/4292-4-0x0000000000040000-0x00000000000C9000-memory.dmp upx behavioral1/memory/4660-18-0x00000000000F0000-0x0000000000179000-memory.dmp upx behavioral1/memory/4292-20-0x0000000000040000-0x00000000000C9000-memory.dmp upx behavioral1/memory/4292-26-0x0000000000040000-0x00000000000C9000-memory.dmp upx behavioral1/memory/4660-38-0x00000000000F0000-0x0000000000179000-memory.dmp upx behavioral1/memory/4292-40-0x0000000000040000-0x00000000000C9000-memory.dmp upx behavioral1/memory/4660-68-0x00000000000F0000-0x0000000000179000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\497b08 cd629f8 File opened for modification C:\Windows\4fc7e8 d898a07a10705647ad931ea9d082ffafeb9a444bc5856693b22815d1983823bc.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 d898a07a10705647ad931ea9d082ffafeb9a444bc5856693b22815d1983823bc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cd629f8 - 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\Cookies\CachePrefix = "Cookie:" cd629f8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" cd629f8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" cd629f8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" cd629f8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing cd629f8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix cd629f8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ cd629f8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" cd629f8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" cd629f8 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4292 cd629f8 4292 cd629f8 4292 cd629f8 4292 cd629f8 4292 cd629f8 4292 cd629f8 4292 cd629f8 4292 cd629f8 4660 d898a07a10705647ad931ea9d082ffafeb9a444bc5856693b22815d1983823bc.exe 4660 d898a07a10705647ad931ea9d082ffafeb9a444bc5856693b22815d1983823bc.exe 4660 d898a07a10705647ad931ea9d082ffafeb9a444bc5856693b22815d1983823bc.exe 4660 d898a07a10705647ad931ea9d082ffafeb9a444bc5856693b22815d1983823bc.exe 4660 d898a07a10705647ad931ea9d082ffafeb9a444bc5856693b22815d1983823bc.exe 4660 d898a07a10705647ad931ea9d082ffafeb9a444bc5856693b22815d1983823bc.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4660 d898a07a10705647ad931ea9d082ffafeb9a444bc5856693b22815d1983823bc.exe Token: SeTcbPrivilege 4660 d898a07a10705647ad931ea9d082ffafeb9a444bc5856693b22815d1983823bc.exe Token: SeDebugPrivilege 4292 cd629f8 Token: SeTcbPrivilege 4292 cd629f8
Processes
-
C:\Users\Admin\AppData\Local\Temp\d898a07a10705647ad931ea9d082ffafeb9a444bc5856693b22815d1983823bc.exe"C:\Users\Admin\AppData\Local\Temp\d898a07a10705647ad931ea9d082ffafeb9a444bc5856693b22815d1983823bc.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:4660
-
C:\Windows\Syswow64\cd629f8C:\Windows\Syswow64\cd629f81⤵
- 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:4292
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\cd629f8
- Size 618KB
- SHA256 b3100fa4b3db483b8d6bfd28ec04fe1f6c606e8db9aed0c90cc388ab6e86799b
- MD5 2244ed315aa5b21771299cb3fe23e59b
- SHA1 5ea4c4e62b969efdce268891ee78909c8e17389a
- SHA512 fbe12c9eaa06191a62ac9ad175a5974c4484eb3b3eb4550bb842ffc0c8ff03dc5555e6eba960ad46168c2e57e908ed0abfa779de7f7c1b4395d637f2e3204016
- SSDEEP 12288:NqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEW:NjHPOSOkx2LFscUQPxW
- TLSH T18AD47C31E201C03AD0A74576C6FE0BAFA5687D25431662C7A3D479362FF72D2AA3171E
- MD5 SHA1 SHA512 SSDEEP TLSH