Analysis
- max time kernel
150s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/08/2026, 07:33
Behavioral task
behavioral1
Sample
ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791.exe
- Size 1.7MB
- Sample260823-jdpc2sfk21
- SHA256 ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791
- MD5 308c07422d15c7b03f32aa21de298991
- SHA1 5ec2b931922dd7b7f204c99ddd26d52ca3fab2da
- SHA512 99ff8d99dbc4904f81f19348f4931199ce6341e6bec979f1dea485d8968f3199618426ed87e8fe80fdb33d79b5129efa290c35b8415ebe179b8744ceac578ce7
- SSDEEP 24576:hvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:hHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T1DA858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4908 4ee236a0 - 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 4084 ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791.exe Destination IP 5 223.5.5.5 4084 ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791.exe Destination IP 21 114.114.114.114 4084 ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791.exe Destination IP 22 223.5.5.5 4084 ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791.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 4ee236a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4ee236a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4ee236a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4ee236a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4ee236a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4ee236a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4ee236a0 File created C:\Windows\SysWOW64\4ee236a0 ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4ee236a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4ee236a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4ee236a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4ee236a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4ee236a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4ee236a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4ee236a0 -
resource yara_rule behavioral2/memory/4084-0-0x00000000002B0000-0x000000000033C000-memory.dmp upx behavioral2/files/0x00120000000118f0-2.dat upx behavioral2/memory/4908-3-0x00000000000E0000-0x000000000016C000-memory.dmp upx behavioral2/memory/4084-18-0x00000000002B0000-0x000000000033C000-memory.dmp upx behavioral2/memory/4908-19-0x00000000000E0000-0x000000000016C000-memory.dmp upx behavioral2/memory/4908-28-0x00000000000E0000-0x000000000016C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5406d8 4ee236a0 File opened for modification C:\Windows\45eb68 ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791.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 ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4ee236a0 - 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 4ee236a0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4ee236a0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4ee236a0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4ee236a0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4ee236a0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4ee236a0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4ee236a0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4ee236a0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4ee236a0 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4908 4ee236a0 4908 4ee236a0 4908 4ee236a0 4908 4ee236a0 4908 4ee236a0 4908 4ee236a0 4908 4ee236a0 4908 4ee236a0 4084 ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791.exe 4084 ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791.exe 4084 ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791.exe 4084 ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791.exe 4084 ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791.exe 4084 ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791.exe 4084 ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791.exe 4084 ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791.exe 4084 ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791.exe 4084 ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791.exe 4084 ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791.exe 4084 ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791.exe 4084 ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791.exe 4084 ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4084 ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791.exe Token: SeTcbPrivilege 4084 ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791.exe Token: SeDebugPrivilege 4908 4ee236a0 Token: SeTcbPrivilege 4908 4ee236a0
Processes
-
C:\Users\Admin\AppData\Local\Temp\ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791.exe"C:\Users\Admin\AppData\Local\Temp\ec3607ef6a3201865fb7b94f4d83ab690cdd5d8daeb6eab40276b15e23cac791.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:4084
-
C:\Windows\Syswow64\4ee236a0C:\Windows\Syswow64\4ee236a01⤵
- 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:4908
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\4ee236a0
- Size 1.7MB
- SHA256 dce4ccb8b2292f5615af31ea5b1302b2d67769f70521f6fe139ee1d9b9998c03
- MD5 018ecbbe9da86cca23cbaa304e5f3c26
- SHA1 98d7c4130b7bce73c8d98af880f23fea6b85ead4
- SHA512 1717588774ee2859e581b12c27ac2c041e982df6e474bc805d54937369d6cecdfe5587236e40ccaaa1bc17711f7902e996513e6681cb4052cb41d2a980b11f9f
- SSDEEP 24576:HvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:HHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T129858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH