Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
18/04/2026, 03:54
Behavioral task
behavioral1
Sample
6c1fa59500ec81317907c8e59716a912be6c77cec1b7136c83fa0b4dc4ac8ba7.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 6c1fa59500ec81317907c8e59716a912be6c77cec1b7136c83fa0b4dc4ac8ba7.exe
- Size 832KB
- Sample260418-egekssav4n
- SHA256 6c1fa59500ec81317907c8e59716a912be6c77cec1b7136c83fa0b4dc4ac8ba7
- MD5 2880d8e621c9f8f43d96b305eb64545e
- SHA1 a9c99a6f659f42ea2da005b4a66652581da1676a
- SHA512 57b68caa66c97de5c40c0cb6d2fd6610c4c7d10376e27756b5d6c368cfd50d1c1d04c3933b800a578d0fab9f8f75cb837182d036b3591a438e0d562bd23e7200
- SSDEEP 12288:0qXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEuZ9oawhtyybAsLAkQ:0jHPOSOkx2LFscUQPxuZ98Es8kQ
- TLSH T1F1059D21E202C13AD49701B2C6BE0BAFA5687D15432561C7E3D87D6A2FB61D2BE3171F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4564 3829cec2 - 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 2084 6c1fa59500ec81317907c8e59716a912be6c77cec1b7136c83fa0b4dc4ac8ba7.exe Destination IP 2 223.5.5.5 2084 6c1fa59500ec81317907c8e59716a912be6c77cec1b7136c83fa0b4dc4ac8ba7.exe Destination IP 10 114.114.114.114 2084 6c1fa59500ec81317907c8e59716a912be6c77cec1b7136c83fa0b4dc4ac8ba7.exe Destination IP 11 223.5.5.5 2084 6c1fa59500ec81317907c8e59716a912be6c77cec1b7136c83fa0b4dc4ac8ba7.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3829cec2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3829cec2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3829cec2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3829cec2 File created C:\Windows\SysWOW64\3829cec2 6c1fa59500ec81317907c8e59716a912be6c77cec1b7136c83fa0b4dc4ac8ba7.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3829cec2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3829cec2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3829cec2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3829cec2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3829cec2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3829cec2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3829cec2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3829cec2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3829cec2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3829cec2 -
resource yara_rule behavioral2/memory/2084-0-0x0000000000350000-0x00000000003D9000-memory.dmp upx behavioral2/files/0x001d00000002b0f5-2.dat upx behavioral2/memory/4564-4-0x0000000000DF0000-0x0000000000E79000-memory.dmp upx behavioral2/memory/2084-25-0x0000000000350000-0x00000000003D9000-memory.dmp upx behavioral2/memory/4564-27-0x0000000000DF0000-0x0000000000E79000-memory.dmp upx behavioral2/memory/2084-36-0x0000000000350000-0x00000000003D9000-memory.dmp upx behavioral2/memory/4564-37-0x0000000000DF0000-0x0000000000E79000-memory.dmp upx behavioral2/memory/2084-44-0x0000000000350000-0x00000000003D9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4e2328 3829cec2 File opened for modification C:\Windows\23adc8 6c1fa59500ec81317907c8e59716a912be6c77cec1b7136c83fa0b4dc4ac8ba7.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 6c1fa59500ec81317907c8e59716a912be6c77cec1b7136c83fa0b4dc4ac8ba7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3829cec2 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3829cec2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3829cec2 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3829cec2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3829cec2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3829cec2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 3829cec2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3829cec2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3829cec2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3829cec2 - Suspicious behavior: EnumeratesProcesses 26 IoCs
pid Process 4564 3829cec2 4564 3829cec2 4564 3829cec2 4564 3829cec2 4564 3829cec2 4564 3829cec2 4564 3829cec2 4564 3829cec2 4564 3829cec2 4564 3829cec2 4564 3829cec2 4564 3829cec2 4564 3829cec2 4564 3829cec2 4564 3829cec2 4564 3829cec2 4564 3829cec2 4564 3829cec2 4564 3829cec2 4564 3829cec2 2084 6c1fa59500ec81317907c8e59716a912be6c77cec1b7136c83fa0b4dc4ac8ba7.exe 2084 6c1fa59500ec81317907c8e59716a912be6c77cec1b7136c83fa0b4dc4ac8ba7.exe 2084 6c1fa59500ec81317907c8e59716a912be6c77cec1b7136c83fa0b4dc4ac8ba7.exe 2084 6c1fa59500ec81317907c8e59716a912be6c77cec1b7136c83fa0b4dc4ac8ba7.exe 2084 6c1fa59500ec81317907c8e59716a912be6c77cec1b7136c83fa0b4dc4ac8ba7.exe 2084 6c1fa59500ec81317907c8e59716a912be6c77cec1b7136c83fa0b4dc4ac8ba7.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2084 6c1fa59500ec81317907c8e59716a912be6c77cec1b7136c83fa0b4dc4ac8ba7.exe Token: SeTcbPrivilege 2084 6c1fa59500ec81317907c8e59716a912be6c77cec1b7136c83fa0b4dc4ac8ba7.exe Token: SeDebugPrivilege 4564 3829cec2 Token: SeTcbPrivilege 4564 3829cec2
Processes
-
C:\Users\Admin\AppData\Local\Temp\6c1fa59500ec81317907c8e59716a912be6c77cec1b7136c83fa0b4dc4ac8ba7.exe"C:\Users\Admin\AppData\Local\Temp\6c1fa59500ec81317907c8e59716a912be6c77cec1b7136c83fa0b4dc4ac8ba7.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:2084
-
C:\Windows\Syswow64\3829cec2C:\Windows\Syswow64\3829cec21⤵
- 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:4564
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\4e2328
- Size 916B
- SHA256 6209c8f4e40f3411acbe92846b97fe5178bd3def6c39fdfb0f42671c88b22a63
- MD5 355bd6792aa7cf57a882f0ca6b2ce082
- SHA1 0bd5025ea0d1a1d35b564c41b4cae44c595f874a
- SHA512 0082dc1f413c0e55cf0adbba8c4e428b0f87e72cabd45f00fdb058fe3e66981326725a107f0dbe226e6cd5015c26a453266cf7ba53ce91f564e1f7cbeec6844e
- TLSH T119118062B05C15A29DDDC68B9E43ECD6FA7083264E4431D816D23A8127FB960474353E
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\SysWOW64\3829cec2
- Size 832KB
- SHA256 6b99d1db3c5de7043b76d39ceeed5add797450296704239c2991f6aa45d29cb6
- MD5 80dd9abd5b784cef691b1be4c2d856a2
- SHA1 07e8cb9126235ee4d2755600f5cf0a4fe989becb
- SHA512 9c9de71a79a83956c0299bdf62cdf1582042bed87bb38999a73bdc1b69e2e7d85d32ddb457db101473f6192e632eff540c188a85dc53718709e6a49ea0cb9ea5
- SSDEEP 12288:sqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEuZ9oawhtyybAsLAkQ:sjHPOSOkx2LFscUQPxuZ98Es8kQ
- TLSH T191059D21E202C13AD49701B2C6BE0BAFA5687D15432561C7E3D87D6A2FB61D2BE3171F
- MD5 SHA1 SHA512 SSDEEP TLSH