Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
31/08/2026, 03:04
Behavioral task
behavioral1
Sample
2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc.exe
- Size 2.5MB
- Sample260831-dk5eyswxcs
- SHA256 2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc
- MD5 a857b38efde7e4381be00eda36c958e1
- SHA1 493ee7edb7875eb91290bd6c17f003f43c4deb73
- SHA512 7928cdf26222cfb3d54409959299488e9e8fbe24a3a699e9757cfbf3dda250531198eeeaaf8df0cd70e2eddc7ca1ea38eb39417a626d2deb3088729f88fd36c6
- SSDEEP 49152:dHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:dnKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T15BC58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4212 1f50f650 - 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 4352 2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc.exe Destination IP 2 223.5.5.5 4352 2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc.exe Destination IP 34 114.114.114.114 4352 2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc.exe Destination IP 35 223.5.5.5 4352 2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 1f50f650 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 1f50f650 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 1f50f650 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 1f50f650 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1f50f650 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 1f50f650 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 1f50f650 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 1f50f650 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1f50f650 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1f50f650 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1f50f650 File created C:\Windows\SysWOW64\1f50f650 2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 1f50f650 -
resource yara_rule behavioral2/memory/4352-0-0x0000000000F40000-0x0000000000FCC000-memory.dmp upx behavioral2/files/0x0009000000011380-2.dat upx behavioral2/memory/4212-3-0x0000000000CE0000-0x0000000000D6C000-memory.dmp upx behavioral2/memory/4352-16-0x0000000000F40000-0x0000000000FCC000-memory.dmp upx behavioral2/memory/4212-17-0x0000000000CE0000-0x0000000000D6C000-memory.dmp upx behavioral2/memory/4212-32-0x0000000000CE0000-0x0000000000D6C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\481c68 1f50f650 File opened for modification C:\Windows\4a8200 2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc.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 2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1f50f650 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 1f50f650 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 1f50f650 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1f50f650 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1f50f650 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 1f50f650 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 1f50f650 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 1f50f650 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 1f50f650 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 1f50f650 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4212 1f50f650 4212 1f50f650 4212 1f50f650 4212 1f50f650 4212 1f50f650 4212 1f50f650 4212 1f50f650 4212 1f50f650 4352 2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc.exe 4352 2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc.exe 4352 2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc.exe 4352 2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc.exe 4352 2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc.exe 4352 2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc.exe 4352 2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc.exe 4352 2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc.exe 4352 2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc.exe 4352 2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc.exe 4352 2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc.exe 4352 2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc.exe 4352 2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc.exe 4352 2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4352 2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc.exe Token: SeTcbPrivilege 4352 2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc.exe Token: SeDebugPrivilege 4212 1f50f650 Token: SeTcbPrivilege 4212 1f50f650
Processes
-
C:\Users\Admin\AppData\Local\Temp\2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc.exe"C:\Users\Admin\AppData\Local\Temp\2f1588b843716d845760f1267e349756122548b51109b361feb762643ee98afc.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:4352
-
C:\Windows\Syswow64\1f50f650C:\Windows\Syswow64\1f50f6501⤵
- 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:4212
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\1f50f650
- Size 2.5MB
- SHA256 ee567996b941f45b5db87e7d55aba2c4388277be88d879bb48c44128dcbd3936
- MD5 99fedebc0b295878389e46d445f9288d
- SHA1 f9b762c49a4a270815f8c013ce8b1a4e7f4e8a10
- SHA512 45d629334d70aed0be7121966d875b91da30d4960dd74d1503813727d6c78a3d3f6700ff060f1651f89cab88679eeea1e0238091ddb711182ce2b366290bdd24
- SSDEEP 49152:SHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:SnKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T140C58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH