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
18/04/2026, 10:01
Behavioral task
behavioral1
Sample
b0045ed31f945f31e3cec789b15fbda5ae357616de95231414d742291fd7e54b.exe
Resource
win10v2004-20260130-en
9 signatures
150 seconds
General
- Target b0045ed31f945f31e3cec789b15fbda5ae357616de95231414d742291fd7e54b.exe
- Size 1.4MB
- Sample260418-l2dbsscv7x
- SHA256 b0045ed31f945f31e3cec789b15fbda5ae357616de95231414d742291fd7e54b
- MD5 0ca62f9b5ef88ff05745b4a77085b776
- SHA1 7d95303919cfaa028f493e241b1223ff05960e06
- SHA512 287693ab81d9bead9d0a047e18c549620bf16561bb1b0f083b3791f1d5b021b258adf1b1a2f1dd4445dac801da4d88b3b80f5c73a44ac3d8e5ddb2daa61421f8
- SSDEEP 24576:KjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:KTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T1DA658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4928 e5d4a775 - 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 3 114.114.114.114 4664 b0045ed31f945f31e3cec789b15fbda5ae357616de95231414d742291fd7e54b.exe Destination IP 4 223.5.5.5 4664 b0045ed31f945f31e3cec789b15fbda5ae357616de95231414d742291fd7e54b.exe Destination IP 22 114.114.114.114 4664 b0045ed31f945f31e3cec789b15fbda5ae357616de95231414d742291fd7e54b.exe Destination IP 24 223.5.5.5 4664 b0045ed31f945f31e3cec789b15fbda5ae357616de95231414d742291fd7e54b.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft e5d4a775 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData e5d4a775 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content e5d4a775 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C e5d4a775 File created C:\Windows\SysWOW64\e5d4a775 b0045ed31f945f31e3cec789b15fbda5ae357616de95231414d742291fd7e54b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 e5d4a775 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE e5d4a775 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies e5d4a775 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache e5d4a775 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e5d4a775 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e5d4a775 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C e5d4a775 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 e5d4a775 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e5d4a775 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e5d4a775 -
resource yara_rule behavioral1/memory/4664-0-0x0000000000230000-0x00000000002B9000-memory.dmp upx behavioral1/files/0x0008000000021698-2.dat upx behavioral1/memory/4928-3-0x0000000000350000-0x00000000003D9000-memory.dmp upx behavioral1/memory/4664-13-0x0000000000230000-0x00000000002B9000-memory.dmp upx behavioral1/memory/4928-15-0x0000000000350000-0x00000000003D9000-memory.dmp upx behavioral1/memory/4664-26-0x0000000000230000-0x00000000002B9000-memory.dmp upx behavioral1/memory/4928-27-0x0000000000350000-0x00000000003D9000-memory.dmp upx behavioral1/memory/4928-35-0x0000000000350000-0x00000000003D9000-memory.dmp upx behavioral1/memory/4664-48-0x0000000000230000-0x00000000002B9000-memory.dmp upx behavioral1/memory/4664-50-0x0000000000230000-0x00000000002B9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\545e80 e5d4a775 File opened for modification C:\Windows\4fd970 b0045ed31f945f31e3cec789b15fbda5ae357616de95231414d742291fd7e54b.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 b0045ed31f945f31e3cec789b15fbda5ae357616de95231414d742291fd7e54b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e5d4a775 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" e5d4a775 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix e5d4a775 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" e5d4a775 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" e5d4a775 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ e5d4a775 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" e5d4a775 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing e5d4a775 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" e5d4a775 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" e5d4a775 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4928 e5d4a775 4928 e5d4a775 4928 e5d4a775 4928 e5d4a775 4928 e5d4a775 4928 e5d4a775 4928 e5d4a775 4928 e5d4a775 4664 b0045ed31f945f31e3cec789b15fbda5ae357616de95231414d742291fd7e54b.exe 4664 b0045ed31f945f31e3cec789b15fbda5ae357616de95231414d742291fd7e54b.exe 4664 b0045ed31f945f31e3cec789b15fbda5ae357616de95231414d742291fd7e54b.exe 4664 b0045ed31f945f31e3cec789b15fbda5ae357616de95231414d742291fd7e54b.exe 4664 b0045ed31f945f31e3cec789b15fbda5ae357616de95231414d742291fd7e54b.exe 4664 b0045ed31f945f31e3cec789b15fbda5ae357616de95231414d742291fd7e54b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4664 b0045ed31f945f31e3cec789b15fbda5ae357616de95231414d742291fd7e54b.exe Token: SeTcbPrivilege 4664 b0045ed31f945f31e3cec789b15fbda5ae357616de95231414d742291fd7e54b.exe Token: SeDebugPrivilege 4928 e5d4a775 Token: SeTcbPrivilege 4928 e5d4a775
Processes
-
C:\Users\Admin\AppData\Local\Temp\b0045ed31f945f31e3cec789b15fbda5ae357616de95231414d742291fd7e54b.exe"C:\Users\Admin\AppData\Local\Temp\b0045ed31f945f31e3cec789b15fbda5ae357616de95231414d742291fd7e54b.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:4664
-
C:\Windows\Syswow64\e5d4a775C:\Windows\Syswow64\e5d4a7751⤵
- 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:4928
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\e5d4a775
- Size 1.4MB
- SHA256 f77a0b7b58a109894113414450c301905237f443393bf4b1f2ae4ea5c2efe9d5
- MD5 9c82fda80d8a8c8747ea4e4be72e0ddd
- SHA1 62f1cbc42215960a256ccc3fa5340198e6714404
- SHA512 afaa6c7ea9a064e8237bfaea558d2d645add3091e04ddfa60a0b829511502d2e75d54fecfb81f3a131575d79ef6fac8f171f384a6c2e87c58f5f564070b36b88
- SSDEEP 24576:MjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:MTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T1BF658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH