Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
28/05/2026, 10:43
Behavioral task
behavioral1
Sample
1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe
- Size 560KB
- Sample260528-msbbhsc19k
- SHA256 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9
- MD5 ea82f951b1f084e35cd36d95c4fdf5f5
- SHA1 e185ab8abe94dad53e3c492c17108d45c390d144
- SHA512 a98b5884db275d52fed002590f5b12f2ba6b147f70c83563c3ab7b61cc586e75df4b3a8145e8bb5f0ed3a89de2dfd72a7d41d89e7b1dcf351e8f7b2d07988d0f
- SSDEEP 12288:q3Sgbu4VOGWPSqt6IpouYgCEmx1z725uRG9OArjlI6YeLm08XsOkx2LIa+y:KVOL4/gPXKCOkx2LFR
- TLSH T1A4C46D2AB6E0D076C4B79574C4A256A6FFB1B43127204ACF6390475A1F637E2BE3530E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1220 33d9ff40 - 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 62 114.114.114.114 1652 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe Destination IP 63 223.5.5.5 1652 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe Destination IP 3 114.114.114.114 1652 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe Destination IP 4 223.5.5.5 1652 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 33d9ff40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 33d9ff40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 33d9ff40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 33d9ff40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 33d9ff40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 33d9ff40 File created C:\Windows\SysWOW64\33d9ff40 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 33d9ff40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 33d9ff40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 33d9ff40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 33d9ff40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 33d9ff40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 33d9ff40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 33d9ff40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 33d9ff40 -
resource yara_rule behavioral1/memory/1652-0-0x0000000000850000-0x00000000008DC000-memory.dmp upx behavioral1/files/0x000e0000000234ea-2.dat upx behavioral1/memory/1220-4-0x0000000000A20000-0x0000000000AAC000-memory.dmp upx behavioral1/memory/1652-10-0x0000000000850000-0x00000000008DC000-memory.dmp upx behavioral1/memory/1220-11-0x0000000000A20000-0x0000000000AAC000-memory.dmp upx behavioral1/memory/1220-30-0x0000000000A20000-0x0000000000AAC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\14e308 33d9ff40 File opened for modification C:\Windows\1c4868 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.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 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 33d9ff40 - 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 33d9ff40 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 33d9ff40 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 33d9ff40 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 33d9ff40 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 33d9ff40 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 33d9ff40 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 33d9ff40 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 33d9ff40 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 33d9ff40 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1220 33d9ff40 1220 33d9ff40 1220 33d9ff40 1220 33d9ff40 1220 33d9ff40 1220 33d9ff40 1220 33d9ff40 1220 33d9ff40 1652 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe 1652 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe 1652 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe 1652 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe 1652 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe 1652 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1652 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe Token: SeTcbPrivilege 1652 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe Token: SeDebugPrivilege 1220 33d9ff40 Token: SeTcbPrivilege 1220 33d9ff40
Processes
-
C:\Users\Admin\AppData\Local\Temp\1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe"C:\Users\Admin\AppData\Local\Temp\1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.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:1652
-
C:\Windows\Syswow64\33d9ff40C:\Windows\Syswow64\33d9ff401⤵
- 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:1220
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\33d9ff40
- Size 560KB
- SHA256 feb6d89cdef2aec274e469ab88ff77b2b26eb512008a20a8c6fb084d9ef04db2
- MD5 f8bf6033549637b167474a69cc6deb61
- SHA1 58f16826848a5ccde062be054cb1e0f088ebabf1
- SHA512 82c3de15c6cdf60d5e75bd89cd4fe28ffdfc407ee0480c66dcd0f03f7d2ae5c92c7b21921ab51408bde79775ff99129bfd63426192fa1934f8d01f2d1aca0178
- SSDEEP 12288:Q3Sgbu4VOGWPSqt6IpouYgCEmx1z725uRG9OArjlI6YeLm08XsOkx2LIa+y:0VOL4/gPXKCOkx2LFR
- TLSH T115C46D2AB6E0D076C4B79574C4A256A6FFB1B43127204ACF6390475A1F637E2BE3530E
- MD5 SHA1 SHA512 SSDEEP TLSH