Analysis
- max time kernel
149s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
15/04/2026, 08:34
Behavioral task
behavioral1
Sample
2801c71c3511cd89694924486bd6b220ce0a3ed8771e1996fd4bfe26c000010a.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 2801c71c3511cd89694924486bd6b220ce0a3ed8771e1996fd4bfe26c000010a.exe
- Size 560KB
- Sample260415-kgf2hscy21
- SHA256 2801c71c3511cd89694924486bd6b220ce0a3ed8771e1996fd4bfe26c000010a
- MD5 04eb9266079f2067fe27a67a5f50c6d4
- SHA1 54b7bfec1b90098b748a396f48914a1dc5c70829
- SHA512 068e7562a214196e1f0c8f1db7d581b9e5879eccb7a43853deab73034728251e65b3809248a5568c56489013340d9ff04e987b1153fd6d491f0870f88cfcdfec
- SSDEEP 6144:gWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRuy8K:gkCO2zVPX7vf1LKlIsOkxHy
- TLSH T1F0C47C29B690D076C4779574C4A187AAFAB1B432372449CFB3D40B5A1F237E2BA7530E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3080 b00980db - 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 3036 2801c71c3511cd89694924486bd6b220ce0a3ed8771e1996fd4bfe26c000010a.exe Destination IP 2 223.5.5.5 3036 2801c71c3511cd89694924486bd6b220ce0a3ed8771e1996fd4bfe26c000010a.exe Destination IP 10 114.114.114.114 3036 2801c71c3511cd89694924486bd6b220ce0a3ed8771e1996fd4bfe26c000010a.exe Destination IP 11 223.5.5.5 3036 2801c71c3511cd89694924486bd6b220ce0a3ed8771e1996fd4bfe26c000010a.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b00980db File created C:\Windows\SysWOW64\b00980db 2801c71c3511cd89694924486bd6b220ce0a3ed8771e1996fd4bfe26c000010a.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b00980db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b00980db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b00980db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b00980db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b00980db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b00980db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b00980db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b00980db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b00980db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b00980db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b00980db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b00980db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b00980db -
resource yara_rule behavioral2/memory/3036-0-0x0000000000550000-0x00000000005DC000-memory.dmp upx behavioral2/files/0x000900000002a117-2.dat upx behavioral2/memory/3080-4-0x0000000000A30000-0x0000000000ABC000-memory.dmp upx behavioral2/memory/3036-10-0x0000000000550000-0x00000000005DC000-memory.dmp upx behavioral2/memory/3080-13-0x0000000000A30000-0x0000000000ABC000-memory.dmp upx behavioral2/memory/3080-43-0x0000000000A30000-0x0000000000ABC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\34bb10 b00980db File opened for modification C:\Windows\33fa38 2801c71c3511cd89694924486bd6b220ce0a3ed8771e1996fd4bfe26c000010a.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 2801c71c3511cd89694924486bd6b220ce0a3ed8771e1996fd4bfe26c000010a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b00980db - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b00980db Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b00980db Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b00980db Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b00980db Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b00980db Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b00980db Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b00980db Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b00980db Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b00980db - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3080 b00980db 3080 b00980db 3080 b00980db 3080 b00980db 3080 b00980db 3080 b00980db 3080 b00980db 3080 b00980db 3036 2801c71c3511cd89694924486bd6b220ce0a3ed8771e1996fd4bfe26c000010a.exe 3036 2801c71c3511cd89694924486bd6b220ce0a3ed8771e1996fd4bfe26c000010a.exe 3036 2801c71c3511cd89694924486bd6b220ce0a3ed8771e1996fd4bfe26c000010a.exe 3036 2801c71c3511cd89694924486bd6b220ce0a3ed8771e1996fd4bfe26c000010a.exe 3036 2801c71c3511cd89694924486bd6b220ce0a3ed8771e1996fd4bfe26c000010a.exe 3036 2801c71c3511cd89694924486bd6b220ce0a3ed8771e1996fd4bfe26c000010a.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3036 2801c71c3511cd89694924486bd6b220ce0a3ed8771e1996fd4bfe26c000010a.exe Token: SeTcbPrivilege 3036 2801c71c3511cd89694924486bd6b220ce0a3ed8771e1996fd4bfe26c000010a.exe Token: SeDebugPrivilege 3080 b00980db Token: SeTcbPrivilege 3080 b00980db
Processes
-
C:\Users\Admin\AppData\Local\Temp\2801c71c3511cd89694924486bd6b220ce0a3ed8771e1996fd4bfe26c000010a.exe"C:\Users\Admin\AppData\Local\Temp\2801c71c3511cd89694924486bd6b220ce0a3ed8771e1996fd4bfe26c000010a.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:3036
-
C:\Windows\Syswow64\b00980dbC:\Windows\Syswow64\b00980db1⤵
- 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:3080
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b00980db
- Size 560KB
- SHA256 0cffda90a35e771576ef5f3df91101f371e9062122b3c119e809e7baa8feb8ef
- MD5 8b9f99106a0b2658266e432c7704e3eb
- SHA1 73de5b844214f64567144d1b1c183b53ba3f8583
- SHA512 fc42c335421c95e7209cc9d199dc57bf9d5722f245c981ad4ed8e3d05d71575791811eef31ca8a94feb16598269a73fb4d2c085490494cadb6d262edd6dcee17
- SSDEEP 6144:/WVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRuy8K:/kCO2zVPX7vf1LKlIsOkxHy
- TLSH T15FC47C29B690D076C4779574C4A187AAFAB1B432372449CFB3D00B5A1F237E2BA7530E
- MD5 SHA1 SHA512 SSDEEP TLSH