Analysis
- max time kernel
148s - max time network
149s - 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, 23:24
Behavioral task
behavioral1
Sample
2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.exe
- Size 1.7MB
- Sample260823-3dn7tswwcs
- SHA256 2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e
- MD5 34916753a5c0e5f927e5c9a61473fe73
- SHA1 e65c80a16a664592bc213d5553bad95887fe9d69
- SHA512 b3097677872214f4586770a91ae7e571aa956d82d59afee43a88d05422076b027cb20981cc823a87ebc52415d3a832e4b6bbe78da974b7f68d6199fb981bc23b
- SSDEEP 24576:XvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:XHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T195858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3944 f4eba721 - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 59 114.114.114.114 2420 2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.exe Destination IP 60 223.5.5.5 2420 2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.exe Destination IP 3 114.114.114.114 2420 2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.exe Destination IP 5 223.5.5.5 2420 2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.exe Destination IP 40 114.114.114.114 3944 f4eba721 Destination IP 41 223.5.5.5 2420 2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f4eba721 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f4eba721 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f4eba721 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f4eba721 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f4eba721 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f4eba721 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f4eba721 File created C:\Windows\SysWOW64\f4eba721 2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f4eba721 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f4eba721 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f4eba721 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f4eba721 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f4eba721 -
resource yara_rule behavioral2/memory/2420-0-0x00000000009F0000-0x0000000000A7C000-memory.dmp upx behavioral2/files/0x000b000000016cdf-2.dat upx behavioral2/memory/3944-3-0x0000000000A20000-0x0000000000AAC000-memory.dmp upx behavioral2/memory/2420-18-0x00000000009F0000-0x0000000000A7C000-memory.dmp upx behavioral2/memory/3944-19-0x0000000000A20000-0x0000000000AAC000-memory.dmp upx behavioral2/memory/3944-36-0x0000000000A20000-0x0000000000AAC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4385d0 f4eba721 File opened for modification C:\Windows\296e68 2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.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 2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f4eba721 - 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 f4eba721 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f4eba721 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f4eba721 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f4eba721 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f4eba721 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f4eba721 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f4eba721 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f4eba721 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f4eba721 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3944 f4eba721 3944 f4eba721 3944 f4eba721 3944 f4eba721 3944 f4eba721 3944 f4eba721 3944 f4eba721 3944 f4eba721 2420 2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.exe 2420 2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.exe 2420 2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.exe 2420 2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.exe 2420 2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.exe 2420 2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.exe 2420 2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.exe 2420 2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.exe 2420 2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.exe 2420 2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.exe 2420 2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.exe 2420 2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.exe 2420 2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.exe 2420 2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2420 2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.exe Token: SeTcbPrivilege 2420 2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.exe Token: SeDebugPrivilege 3944 f4eba721 Token: SeTcbPrivilege 3944 f4eba721
Processes
-
C:\Users\Admin\AppData\Local\Temp\2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.exe"C:\Users\Admin\AppData\Local\Temp\2b5ed996128ae0aaf853611949f6b01f9b8bb944e166574e5d6635f81fb3194e.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:2420
-
C:\Windows\Syswow64\f4eba721C:\Windows\Syswow64\f4eba7211⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:3944
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f4eba721
- Size 1.7MB
- SHA256 43b1713db4bc2f982151537cf05a638b74564bcea5b667ee69ffc4d036b556f7
- MD5 46cb393efc51139ba372107cc9d17a37
- SHA1 f82a41afb0ed12c491288ccd617524fab9476576
- SHA512 bad8f1e614ede6c35945221ea35a30d85fdefdb353bc52c7cfbb78ef85fc03f22f3ab009459785dff3d1e76c6312538adb8c404f512e5c2a218b14a1e225a644
- SSDEEP 24576:/vO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:/HHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T188858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH