Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 23:04
Behavioral task
behavioral1
Sample
b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab.exe
- Size 1.7MB
- Sample260809-22f1paxaqf
- SHA256 b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab
- MD5 1a03aa86d17e7145526e09e7e9ef921c
- SHA1 d2351b921f027d800a133f6cda612a1efe3ab8d5
- SHA512 108dc4181a2c5af1f2f74469375c032debfa6b8160fe9ac1504a2c186a787645103d000a920e387fccc8c755f774ea128e219b85ad55bd889416ac1a69b6d082
- SSDEEP 24576:5vO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:5HHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T123858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5660 c242f4db - 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 13 114.114.114.114 4920 b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab.exe Destination IP 14 223.5.5.5 4920 b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab.exe Destination IP 1 114.114.114.114 4920 b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab.exe Destination IP 4 223.5.5.5 4920 b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 c242f4db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData c242f4db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c242f4db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C c242f4db File created C:\Windows\SysWOW64\c242f4db b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE c242f4db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft c242f4db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache c242f4db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content c242f4db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c242f4db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C c242f4db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 c242f4db File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies c242f4db -
resource yara_rule behavioral2/memory/4920-0-0x0000000000BC0000-0x0000000000C4C000-memory.dmp upx behavioral2/files/0x000a000000011390-2.dat upx behavioral2/memory/5660-3-0x0000000000910000-0x000000000099C000-memory.dmp upx behavioral2/memory/4920-10-0x0000000000BC0000-0x0000000000C4C000-memory.dmp upx behavioral2/memory/5660-11-0x0000000000910000-0x000000000099C000-memory.dmp upx behavioral2/memory/5660-26-0x0000000000910000-0x000000000099C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\60e6b8 c242f4db File opened for modification C:\Windows\543b70 b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab.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 b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c242f4db - 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 c242f4db Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" c242f4db Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" c242f4db Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" c242f4db Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" c242f4db Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ c242f4db Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" c242f4db Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" c242f4db Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing c242f4db - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5660 c242f4db 5660 c242f4db 5660 c242f4db 5660 c242f4db 5660 c242f4db 5660 c242f4db 5660 c242f4db 5660 c242f4db 4920 b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab.exe 4920 b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab.exe 4920 b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab.exe 4920 b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab.exe 4920 b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab.exe 4920 b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab.exe 4920 b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab.exe 4920 b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab.exe 4920 b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab.exe 4920 b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab.exe 4920 b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab.exe 4920 b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab.exe 4920 b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab.exe 4920 b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4920 b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab.exe Token: SeTcbPrivilege 4920 b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab.exe Token: SeDebugPrivilege 5660 c242f4db Token: SeTcbPrivilege 5660 c242f4db
Processes
-
C:\Users\Admin\AppData\Local\Temp\b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab.exe"C:\Users\Admin\AppData\Local\Temp\b0a8300937f41248b9bb1e6984e94fa10ae28086c5c7a96268d59f8c895031ab.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:4920
-
C:\Windows\Syswow64\c242f4dbC:\Windows\Syswow64\c242f4db1⤵
- 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:5660
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\c242f4db
- Size 1.7MB
- SHA256 e2aa6476b8041b4f791dba3d81884358cb2cef028403420a59354c0d274f54cc
- MD5 0470ffa858e0b3b85b4627c6302eda68
- SHA1 8cb686e250ccfa2642f74754ded05505d7b2c9af
- SHA512 7d5726a1b20bbb899b705eb46a9158ad2e7d40b0434e279765cc2d2585c2ed28eca3e2dea78d6ec851f768c144c6c87412cc874ae6a39ad220b3d5a3abe3ec17
- SSDEEP 24576:VvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:VHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T120858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH