Analysis
- max time kernel
148s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/07/2026, 20:04
Behavioral task
behavioral1
Sample
8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe
- Size 1.4MB
- Sample260702-ys9pvsdy8x
- SHA256 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4
- MD5 bcba9dd14697de7877f073e8ceecbc8d
- SHA1 e4cf2a988e29a8b41cd4511caea65401206e3687
- SHA512 0d7705c97e869849174a23274f86e2cbbaa2604da15ba46d0f53177aacc158a7c469a83f17634052877bda690add7a79c75b1bb0c00ffca7577ac5dc1dedc310
- SSDEEP 24576:8jHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:8TGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T1AC658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2860 c5f6212c - Unexpected DNS network traffic destination 22 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 36 223.5.5.5 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe Destination IP 145 223.5.5.5 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe Destination IP 177 223.5.5.5 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe Destination IP 230 114.114.114.114 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe Destination IP 276 223.5.5.5 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe Destination IP 315 223.5.5.5 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe Destination IP 328 223.5.5.5 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe Destination IP 414 223.5.5.5 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe Destination IP 89 114.114.114.114 2860 c5f6212c Destination IP 144 114.114.114.114 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe Destination IP 327 114.114.114.114 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe Destination IP 360 223.5.5.5 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe Destination IP 413 114.114.114.114 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe Destination IP 1 114.114.114.114 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe Destination IP 90 223.5.5.5 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe Destination IP 231 223.5.5.5 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe Destination IP 273 114.114.114.114 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe Destination IP 314 114.114.114.114 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe Destination IP 2 223.5.5.5 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe Destination IP 35 114.114.114.114 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe Destination IP 176 114.114.114.114 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe Destination IP 359 114.114.114.114 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.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 c5f6212c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache c5f6212c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 c5f6212c File created C:\Windows\SysWOW64\c5f6212c 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies c5f6212c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft c5f6212c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData c5f6212c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c5f6212c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c5f6212c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c5f6212c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE c5f6212c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 c5f6212c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 c5f6212c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content c5f6212c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c5f6212c -
resource yara_rule behavioral2/memory/3300-0-0x0000000000D00000-0x0000000000D89000-memory.dmp upx behavioral2/files/0x000b000000016d07-2.dat upx behavioral2/memory/2860-3-0x0000000000B80000-0x0000000000C09000-memory.dmp upx behavioral2/memory/3300-20-0x0000000000D00000-0x0000000000D89000-memory.dmp upx behavioral2/memory/3300-21-0x0000000000D00000-0x0000000000D89000-memory.dmp upx behavioral2/memory/2860-22-0x0000000000B80000-0x0000000000C09000-memory.dmp upx behavioral2/memory/2860-23-0x0000000000B80000-0x0000000000C09000-memory.dmp upx behavioral2/memory/2860-27-0x0000000000B80000-0x0000000000C09000-memory.dmp upx behavioral2/memory/2860-29-0x0000000000B80000-0x0000000000C09000-memory.dmp upx behavioral2/memory/3300-42-0x0000000000D00000-0x0000000000D89000-memory.dmp upx behavioral2/memory/2860-43-0x0000000000B80000-0x0000000000C09000-memory.dmp upx behavioral2/memory/3300-46-0x0000000000D00000-0x0000000000D89000-memory.dmp upx behavioral2/memory/3300-52-0x0000000000D00000-0x0000000000D89000-memory.dmp upx behavioral2/memory/2860-53-0x0000000000B80000-0x0000000000C09000-memory.dmp upx behavioral2/memory/2860-54-0x0000000000B80000-0x0000000000C09000-memory.dmp upx behavioral2/memory/3300-59-0x0000000000D00000-0x0000000000D89000-memory.dmp upx behavioral2/memory/3300-67-0x0000000000D00000-0x0000000000D89000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\387f48 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe File opened for modification C:\Windows\30f6d8 c5f6212c - 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 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c5f6212c - 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 c5f6212c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ c5f6212c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" c5f6212c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" c5f6212c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing c5f6212c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" c5f6212c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" c5f6212c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" c5f6212c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" c5f6212c - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2860 c5f6212c 2860 c5f6212c 2860 c5f6212c 2860 c5f6212c 2860 c5f6212c 2860 c5f6212c 2860 c5f6212c 2860 c5f6212c 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe Token: SeTcbPrivilege 3300 8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe Token: SeDebugPrivilege 2860 c5f6212c Token: SeTcbPrivilege 2860 c5f6212c
Processes
-
C:\Users\Admin\AppData\Local\Temp\8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.exe"C:\Users\Admin\AppData\Local\Temp\8a5016f3d7530c71d23b8eb6bb3921aa80d220f453a94d3cb36bd40bb138c5c4.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:3300
-
C:\Windows\Syswow64\c5f6212cC:\Windows\Syswow64\c5f6212c1⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:2860
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\c5f6212c
- Size 1.4MB
- SHA256 0fb11ccd86ddf28b66e5f596858ce7bf81260075e4f27355baa42e3bd9ef75e8
- MD5 f3d1c8c2137e602f1edaca8ed5c0c57a
- SHA1 7ba979ad968a82b849e4e9b68105db84b6b782b1
- SHA512 410a0fef1b0cdd560e153a88c63a5a177c1f9f552b82ba79812016ceb04b34f106587455b46ee3f9fbd68ac81859f8d1cd70a127f211bf82dccfccaacb22b90f
- SSDEEP 24576:kjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:kTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T158658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH