Analysis
- max time kernel
150s - 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
03/08/2026, 19:58
Behavioral task
behavioral1
Sample
a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024.exe
- Size 766KB
- Sample260803-yp19baaq21
- SHA256 a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024
- MD5 fa7d868e4d87c47a625286819388c62a
- SHA1 f2198bdffdf6d482e855ea8b811f30038314ed71
- SHA512 ef331b51e7058515d9799a8637ce88ab71a45633a0b74089cbc7fa725fc7cb99978acbe70908e412fa5f2698e0fcb16f234e992f2516f87270842fbccf58bbde
- SSDEEP 12288:XSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:ivO2xJKRw2kOkx2LFRvcUV
- TLSH T1E1F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4624 a50a1206 - 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 11 114.114.114.114 1212 a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024.exe Destination IP 12 223.5.5.5 1212 a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024.exe Destination IP 1 114.114.114.114 1212 a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024.exe Destination IP 4 223.5.5.5 1212 a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024.exe - Drops file in System32 directory 5 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 a50a1206 File created C:\Windows\SysWOW64\a50a1206 a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 a50a1206 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE a50a1206 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies a50a1206 -
resource yara_rule behavioral2/memory/1212-0-0x0000000000A70000-0x0000000000AFC000-memory.dmp upx behavioral2/files/0x00070000000113d4-2.dat upx behavioral2/memory/4624-3-0x0000000000BF0000-0x0000000000C7C000-memory.dmp upx behavioral2/memory/1212-10-0x0000000000A70000-0x0000000000AFC000-memory.dmp upx behavioral2/memory/4624-11-0x0000000000BF0000-0x0000000000C7C000-memory.dmp upx behavioral2/memory/4624-20-0x0000000000BF0000-0x0000000000C7C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4f2a20 a50a1206 File opened for modification C:\Windows\14bff8 a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024.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 a50a1206 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024.exe - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ a50a1206 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" a50a1206 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" a50a1206 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" a50a1206 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix a50a1206 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" a50a1206 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" a50a1206 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing a50a1206 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" a50a1206 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4624 a50a1206 4624 a50a1206 4624 a50a1206 4624 a50a1206 4624 a50a1206 4624 a50a1206 4624 a50a1206 4624 a50a1206 1212 a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024.exe 1212 a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024.exe 1212 a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024.exe 1212 a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024.exe 1212 a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024.exe 1212 a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024.exe 1212 a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024.exe 1212 a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024.exe 1212 a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024.exe 1212 a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024.exe 1212 a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024.exe 1212 a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024.exe 1212 a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024.exe 1212 a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1212 a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024.exe Token: SeTcbPrivilege 1212 a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024.exe Token: SeDebugPrivilege 4624 a50a1206 Token: SeTcbPrivilege 4624 a50a1206
Processes
-
C:\Users\Admin\AppData\Local\Temp\a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024.exe"C:\Users\Admin\AppData\Local\Temp\a3e5743c06da3d0a988a979b61e6cb074b49ad3848c496db7aa25f6c023d5024.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:1212
-
C:\Windows\Syswow64\a50a1206C:\Windows\Syswow64\a50a12061⤵
- 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:4624
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\a50a1206
- Size 766KB
- SHA256 e1a68118f68679f29a15167a797bfc4cea2ad455e710078dc14d3cee9901e814
- MD5 7771f5c1b71461b701679a1d8b1ebcc8
- SHA1 231df336d726b3efbd14075ddd32f9e706c6faa4
- SHA512 1b617b982cd03ce13be025a053cf62d96e789f978ffc3945063a784941c4ae10e0a0b5d85f0a31d3c1cb297fb74e5e5e341711299ab795a036940f8ec1956c4e
- SSDEEP 12288:USvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:nvO2xJKRw2kOkx2LFRvcUV
- TLSH T128F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH