Analysis
- max time kernel
150s - max time network
155s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
17/08/2026, 04:48
Behavioral task
behavioral1
Sample
3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe
- Size 768KB
- Sample260817-fffbdahe44
- SHA256 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257
- MD5 9eb25d7ce363810a26514e840185c1b2
- SHA1 9d9b343768e6d2f8672d26c02ab41f39dbea4757
- SHA512 67004381e62afba513a64720be23975f5e6b2930c332997cdda57f487286e564753b91b431c9293d23384e16cb285fdc9aa8e8027a7c30b7f37792534ea8d179
- SSDEEP 12288:BqXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:BjHPOSOkx2LFscU6UQOJdT
- TLSH T136F47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3348 a8fb5a72 - 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 1984 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe Destination IP 4 223.5.5.5 1984 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe Destination IP 16 114.114.114.114 1984 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe Destination IP 17 223.5.5.5 1984 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.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 a8fb5a72 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft a8fb5a72 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache a8fb5a72 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a8fb5a72 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content a8fb5a72 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a8fb5a72 File created C:\Windows\SysWOW64\a8fb5a72 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies a8fb5a72 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData a8fb5a72 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a8fb5a72 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a8fb5a72 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 a8fb5a72 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE a8fb5a72 -
resource yara_rule behavioral2/memory/1984-0-0x0000000000510000-0x0000000000599000-memory.dmp upx behavioral2/files/0x000c00000001c660-2.dat upx behavioral2/memory/3348-3-0x00000000009C0000-0x0000000000A49000-memory.dmp upx behavioral2/memory/1984-10-0x0000000000510000-0x0000000000599000-memory.dmp upx behavioral2/memory/3348-12-0x00000000009C0000-0x0000000000A49000-memory.dmp upx behavioral2/memory/3348-22-0x00000000009C0000-0x0000000000A49000-memory.dmp upx behavioral2/memory/1984-34-0x0000000000510000-0x0000000000599000-memory.dmp upx behavioral2/memory/3348-35-0x00000000009C0000-0x0000000000A49000-memory.dmp upx behavioral2/memory/3348-37-0x00000000009C0000-0x0000000000A49000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3951a8 a8fb5a72 File opened for modification C:\Windows\21f780 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.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 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a8fb5a72 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" a8fb5a72 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" a8fb5a72 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" a8fb5a72 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" a8fb5a72 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing a8fb5a72 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" a8fb5a72 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" a8fb5a72 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ a8fb5a72 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix a8fb5a72 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3348 a8fb5a72 3348 a8fb5a72 3348 a8fb5a72 3348 a8fb5a72 3348 a8fb5a72 3348 a8fb5a72 3348 a8fb5a72 3348 a8fb5a72 1984 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe 1984 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe 1984 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe 1984 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe 1984 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe 1984 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe 1984 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe 1984 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe 1984 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe 1984 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe 1984 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe 1984 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe 1984 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe 1984 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1984 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe Token: SeTcbPrivilege 1984 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe Token: SeDebugPrivilege 3348 a8fb5a72 Token: SeTcbPrivilege 3348 a8fb5a72
Processes
-
C:\Users\Admin\AppData\Local\Temp\3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe"C:\Users\Admin\AppData\Local\Temp\3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.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:1984
-
C:\Windows\Syswow64\a8fb5a72C:\Windows\Syswow64\a8fb5a721⤵
- 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:3348
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\a8fb5a72
- Size 768KB
- SHA256 e9c6211a07252c05fe0925b29abecc6bc6951ca38872be21b10c574587d573d1
- MD5 d7688f42a78c0f10f6a6d9c5c034fd10
- SHA1 884264388d7bd3b34389e0279aeb6f05c422cf97
- SHA512 500a08adc13f2cec3455aaa20d1d1baa660309fbfe59c10fe6d10028f1f36c4e1a3087e3d95b5d355ca2d92baea5bb615c8bad0dc6ce161df92ac657df874fea
- SSDEEP 12288:IqXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:IjHPOSOkx2LFscU6UQOJdT
- TLSH T1D3F47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH