Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
08/05/2026, 21:53
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
bb7c07fc01458ec8a8c681f686e481072eba68c78df664906baec89eae773c79.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
bb7c07fc01458ec8a8c681f686e481072eba68c78df664906baec89eae773c79.exe
Resource
win11-20260130-en
windows11-21h2-x64
8 signatures
150 seconds
General
- Target bb7c07fc01458ec8a8c681f686e481072eba68c78df664906baec89eae773c79.exe
- Size 395KB
- Sample260508-1rtclaav4k
- SHA256 bb7c07fc01458ec8a8c681f686e481072eba68c78df664906baec89eae773c79
- MD5 d350f3305ab3e31dfe35b2fa764ce9d1
- SHA1 8bf92664f244a0e01cce54b4cf40451a44ffcbbf
- SHA512 ca316a56c1dfda9c8f34e0da863b37401c1ca4a525c018e53b2d3d448f50ad5c9915d73893fcdd579e59bf7d6908421153c8eeb4f9bd79784610de7dabfc1807
- SSDEEP 6144:twdK91cVMoSTZu05LOY0ftLy+mgFScEOkCybEaQRXr9HNdvOaxy8K:tn9OVKk05aY0ftLy+MOkx2LIaxy
- TLSH T137846D2AF6A0D076C4B79578C49257A6FBB1742137204ACFA390475A1F637E2BE3630D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5544 63ee750f - 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 4768 bb7c07fc01458ec8a8c681f686e481072eba68c78df664906baec89eae773c79.exe Destination IP 2 223.5.5.5 4768 bb7c07fc01458ec8a8c681f686e481072eba68c78df664906baec89eae773c79.exe Destination IP 10 114.114.114.114 4768 bb7c07fc01458ec8a8c681f686e481072eba68c78df664906baec89eae773c79.exe Destination IP 11 223.5.5.5 4768 bb7c07fc01458ec8a8c681f686e481072eba68c78df664906baec89eae773c79.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 63ee750f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 63ee750f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 63ee750f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 63ee750f File created C:\Windows\SysWOW64\63ee750f bb7c07fc01458ec8a8c681f686e481072eba68c78df664906baec89eae773c79.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 63ee750f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 63ee750f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 63ee750f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 63ee750f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 63ee750f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 63ee750f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 63ee750f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 63ee750f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 63ee750f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 63ee750f - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5eea50 63ee750f File opened for modification C:\Windows\51a140 bb7c07fc01458ec8a8c681f686e481072eba68c78df664906baec89eae773c79.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 bb7c07fc01458ec8a8c681f686e481072eba68c78df664906baec89eae773c79.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 63ee750f - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 63ee750f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 63ee750f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 63ee750f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 63ee750f Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 63ee750f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 63ee750f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 63ee750f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 63ee750f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 63ee750f - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5544 63ee750f 5544 63ee750f 5544 63ee750f 5544 63ee750f 5544 63ee750f 5544 63ee750f 5544 63ee750f 5544 63ee750f 4768 bb7c07fc01458ec8a8c681f686e481072eba68c78df664906baec89eae773c79.exe 4768 bb7c07fc01458ec8a8c681f686e481072eba68c78df664906baec89eae773c79.exe 4768 bb7c07fc01458ec8a8c681f686e481072eba68c78df664906baec89eae773c79.exe 4768 bb7c07fc01458ec8a8c681f686e481072eba68c78df664906baec89eae773c79.exe 4768 bb7c07fc01458ec8a8c681f686e481072eba68c78df664906baec89eae773c79.exe 4768 bb7c07fc01458ec8a8c681f686e481072eba68c78df664906baec89eae773c79.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4768 bb7c07fc01458ec8a8c681f686e481072eba68c78df664906baec89eae773c79.exe Token: SeTcbPrivilege 4768 bb7c07fc01458ec8a8c681f686e481072eba68c78df664906baec89eae773c79.exe Token: SeDebugPrivilege 5544 63ee750f Token: SeTcbPrivilege 5544 63ee750f
Processes
-
C:\Users\Admin\AppData\Local\Temp\bb7c07fc01458ec8a8c681f686e481072eba68c78df664906baec89eae773c79.exe"C:\Users\Admin\AppData\Local\Temp\bb7c07fc01458ec8a8c681f686e481072eba68c78df664906baec89eae773c79.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:4768
-
C:\Windows\Syswow64\63ee750fC:\Windows\Syswow64\63ee750f1⤵
- 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:5544
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\63ee750f
- Size 395KB
- SHA256 cba0f1c474295e457dd2767b1250893d4f4514a224a1a288cd3599fc0ab32ce7
- MD5 0873be84919e860856cef50a4b5903fa
- SHA1 336a92bd52947f25dd04134e04e0387c16330de5
- SHA512 34e631eb736e286a224b834b8f6833b92734062a52e49d1783a187045d26141b716a0ad13d4d3319c49564c2aaa758895d584ec05810d0e0e218a65f367118f0
- SSDEEP 6144:nwdK91cVMoSTZu05LOY0ftLy+mgFScEOkCybEaQRXr9HNdvOaxy8K:nn9OVKk05aY0ftLy+MOkx2LIaxy
- TLSH T113846D2AF6A0D076C4B79578C49257A6FBB1742137204ACFA390475A1F637E2BE3630D
- MD5 SHA1 SHA512 SSDEEP TLSH