Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
05/05/2026, 19:34
Behavioral task
behavioral1
Sample
743e2e91942a9b9382883c37f5a10fdd3c7d9890c8afeeee72d1932953788fab.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
743e2e91942a9b9382883c37f5a10fdd3c7d9890c8afeeee72d1932953788fab.exe
Resource
win11-20260130-en
windows11-21h2-x64
10 signatures
150 seconds
General
- Target 743e2e91942a9b9382883c37f5a10fdd3c7d9890c8afeeee72d1932953788fab.exe
- Size 1.2MB
- Sample260505-yaef1aev21
- SHA256 743e2e91942a9b9382883c37f5a10fdd3c7d9890c8afeeee72d1932953788fab
- MD5 1d3982c41f82664bc5245da2661d425b
- SHA1 e5b0efe089a55f8bc64bb8c00dedf2716782622c
- SHA512 b9e3b9cbb4ddf8bc6d4ff4616a0ff4716f9ce05ee7c0a568de2608d5deeb8a642ba1cd317df9fa81e5eed63614d595fc40792f09107251e68afda50f04cb528c
- SSDEEP 24576:8vO2xJKRw2kOkx2LFRvcUQPxuZ98Es8k3OH3C0rQS:8HHKe2WQX5QZuTtS0rQS
- TLSH T1CE458C31E641C036D4A70175C6BA4BBFA9787D25032565C7E3D43E6A2FB22D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3960 ec7e6940 - 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 4808 743e2e91942a9b9382883c37f5a10fdd3c7d9890c8afeeee72d1932953788fab.exe Destination IP 2 223.5.5.5 4808 743e2e91942a9b9382883c37f5a10fdd3c7d9890c8afeeee72d1932953788fab.exe Destination IP 10 114.114.114.114 4808 743e2e91942a9b9382883c37f5a10fdd3c7d9890c8afeeee72d1932953788fab.exe Destination IP 11 223.5.5.5 4808 743e2e91942a9b9382883c37f5a10fdd3c7d9890c8afeeee72d1932953788fab.exe - Drops file in System32 directory 19 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData ec7e6940 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 ec7e6940 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C ec7e6940 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 ec7e6940 File created C:\Windows\SysWOW64\ec7e6940 743e2e91942a9b9382883c37f5a10fdd3c7d9890c8afeeee72d1932953788fab.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache ec7e6940 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content ec7e6940 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 ec7e6940 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 ec7e6940 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 ec7e6940 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 ec7e6940 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 ec7e6940 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C ec7e6940 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 ec7e6940 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE ec7e6940 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies ec7e6940 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft ec7e6940 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ec7e6940 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ec7e6940 -
resource yara_rule behavioral2/memory/4808-0-0x00000000009D0000-0x0000000000A5C000-memory.dmp upx behavioral2/files/0x001200000001047e-2.dat upx behavioral2/memory/3960-3-0x0000000000300000-0x000000000038C000-memory.dmp upx behavioral2/memory/4808-12-0x00000000009D0000-0x0000000000A5C000-memory.dmp upx behavioral2/memory/3960-13-0x0000000000300000-0x000000000038C000-memory.dmp upx behavioral2/memory/3960-28-0x0000000000300000-0x000000000038C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\43cbf0 ec7e6940 File opened for modification C:\Windows\525090 743e2e91942a9b9382883c37f5a10fdd3c7d9890c8afeeee72d1932953788fab.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 ec7e6940 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 743e2e91942a9b9382883c37f5a10fdd3c7d9890c8afeeee72d1932953788fab.exe - 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" ec7e6940 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing ec7e6940 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" ec7e6940 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" ec7e6940 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" ec7e6940 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix ec7e6940 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" ec7e6940 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" ec7e6940 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ ec7e6940 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA ec7e6940 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 ec7e6940 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3960 ec7e6940 3960 ec7e6940 3960 ec7e6940 3960 ec7e6940 3960 ec7e6940 3960 ec7e6940 3960 ec7e6940 3960 ec7e6940 4808 743e2e91942a9b9382883c37f5a10fdd3c7d9890c8afeeee72d1932953788fab.exe 4808 743e2e91942a9b9382883c37f5a10fdd3c7d9890c8afeeee72d1932953788fab.exe 4808 743e2e91942a9b9382883c37f5a10fdd3c7d9890c8afeeee72d1932953788fab.exe 4808 743e2e91942a9b9382883c37f5a10fdd3c7d9890c8afeeee72d1932953788fab.exe 4808 743e2e91942a9b9382883c37f5a10fdd3c7d9890c8afeeee72d1932953788fab.exe 4808 743e2e91942a9b9382883c37f5a10fdd3c7d9890c8afeeee72d1932953788fab.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4808 743e2e91942a9b9382883c37f5a10fdd3c7d9890c8afeeee72d1932953788fab.exe Token: SeTcbPrivilege 4808 743e2e91942a9b9382883c37f5a10fdd3c7d9890c8afeeee72d1932953788fab.exe Token: SeDebugPrivilege 3960 ec7e6940 Token: SeTcbPrivilege 3960 ec7e6940
Processes
-
C:\Users\Admin\AppData\Local\Temp\743e2e91942a9b9382883c37f5a10fdd3c7d9890c8afeeee72d1932953788fab.exe"C:\Users\Admin\AppData\Local\Temp\743e2e91942a9b9382883c37f5a10fdd3c7d9890c8afeeee72d1932953788fab.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:4808
-
C:\Windows\Syswow64\ec7e6940C:\Windows\Syswow64\ec7e69401⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3960
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\ec7e6940
- Size 1.2MB
- SHA256 11f267a497692a93b906d8dcf09eea26a761dc6c4bc25fcb5b764368e51367e5
- MD5 7c14e7bd09c86f44526d138c61122dea
- SHA1 aac1550bd4749422d493a690002d1957e48da460
- SHA512 f811a1d14f9efe83db035dd26043cb4a3b49ec2b86f6bda9f5e1cfa945019ff4bd334b4803261de6b5f5273dd9b3a3f127c7392882c4182b5c959f7623d33f7f
- SSDEEP 24576:yvO2xJKRw2kOkx2LFRvcUQPxuZ98Es8k3OH3C0rQS:yHHKe2WQX5QZuTtS0rQS
- TLSH T143458C31E641C036D4A70175C6BA4BBFA9787D25032565C7E3D43E6A2FB22D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH