Analysis
- max time kernel
149s - max time network
156s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
11/05/2026, 20:03
Behavioral task
behavioral1
Sample
7101f10aa1ee868ebbfe8ea8f9f1b7edd7ee4f3c46f8c5eb65f9fe0f576b17e0.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 7101f10aa1ee868ebbfe8ea8f9f1b7edd7ee4f3c46f8c5eb65f9fe0f576b17e0.exe
- Size 1024KB
- Sample260511-ys69qsds4q
- SHA256 7101f10aa1ee868ebbfe8ea8f9f1b7edd7ee4f3c46f8c5eb65f9fe0f576b17e0
- MD5 c688aed7276810b263ae73a8739d1bcd
- SHA1 c9420177e26dc9d7659c09ab58adba2b2146e831
- SHA512 0b8febea929e00a9b1b9bfd11c13b3df46dc9c35a7935c1856062047494bf9433e896d2595154dff03a4f2c5ad66d406c1c740e08ff8f10c3e7cbd8fad332917
- SSDEEP 24576:sjHPOSOkx2LFshuZ98Es8k3OH3C0rQ6+y:sTGkQyhuTtS0rQi
- TLSH T1C025AF31E242C03AD5A70172C6BE0BAF95787D25472951C7A3D43D6A2FB22D2AE3570F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1092 73871e76 - 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 3048 7101f10aa1ee868ebbfe8ea8f9f1b7edd7ee4f3c46f8c5eb65f9fe0f576b17e0.exe Destination IP 2 223.5.5.5 3048 7101f10aa1ee868ebbfe8ea8f9f1b7edd7ee4f3c46f8c5eb65f9fe0f576b17e0.exe Destination IP 12 114.114.114.114 3048 7101f10aa1ee868ebbfe8ea8f9f1b7edd7ee4f3c46f8c5eb65f9fe0f576b17e0.exe Destination IP 13 223.5.5.5 3048 7101f10aa1ee868ebbfe8ea8f9f1b7edd7ee4f3c46f8c5eb65f9fe0f576b17e0.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 73871e76 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 73871e76 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 73871e76 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 73871e76 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 73871e76 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 73871e76 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 73871e76 File created C:\Windows\SysWOW64\73871e76 7101f10aa1ee868ebbfe8ea8f9f1b7edd7ee4f3c46f8c5eb65f9fe0f576b17e0.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 73871e76 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 73871e76 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 73871e76 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 73871e76 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 73871e76 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 73871e76 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 73871e76 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 73871e76 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 73871e76 -
resource yara_rule behavioral2/memory/3048-0-0x0000000000720000-0x00000000007A9000-memory.dmp upx behavioral2/files/0x002700000002b11c-2.dat upx behavioral2/memory/1092-4-0x00000000008F0000-0x0000000000979000-memory.dmp upx behavioral2/memory/3048-15-0x0000000000720000-0x00000000007A9000-memory.dmp upx behavioral2/memory/1092-17-0x00000000008F0000-0x0000000000979000-memory.dmp upx behavioral2/memory/1092-22-0x00000000008F0000-0x0000000000979000-memory.dmp upx behavioral2/memory/3048-32-0x0000000000720000-0x00000000007A9000-memory.dmp upx behavioral2/memory/1092-33-0x00000000008F0000-0x0000000000979000-memory.dmp upx behavioral2/memory/3048-39-0x0000000000720000-0x00000000007A9000-memory.dmp upx behavioral2/memory/1092-42-0x00000000008F0000-0x0000000000979000-memory.dmp upx behavioral2/memory/3048-51-0x0000000000720000-0x00000000007A9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\12b208 73871e76 File opened for modification C:\Windows\342ed0 7101f10aa1ee868ebbfe8ea8f9f1b7edd7ee4f3c46f8c5eb65f9fe0f576b17e0.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 7101f10aa1ee868ebbfe8ea8f9f1b7edd7ee4f3c46f8c5eb65f9fe0f576b17e0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 73871e76 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 73871e76 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 73871e76 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 73871e76 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 73871e76 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 73871e76 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 73871e76 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 73871e76 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 73871e76 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 73871e76 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1092 73871e76 1092 73871e76 1092 73871e76 1092 73871e76 1092 73871e76 1092 73871e76 1092 73871e76 1092 73871e76 3048 7101f10aa1ee868ebbfe8ea8f9f1b7edd7ee4f3c46f8c5eb65f9fe0f576b17e0.exe 3048 7101f10aa1ee868ebbfe8ea8f9f1b7edd7ee4f3c46f8c5eb65f9fe0f576b17e0.exe 3048 7101f10aa1ee868ebbfe8ea8f9f1b7edd7ee4f3c46f8c5eb65f9fe0f576b17e0.exe 3048 7101f10aa1ee868ebbfe8ea8f9f1b7edd7ee4f3c46f8c5eb65f9fe0f576b17e0.exe 3048 7101f10aa1ee868ebbfe8ea8f9f1b7edd7ee4f3c46f8c5eb65f9fe0f576b17e0.exe 3048 7101f10aa1ee868ebbfe8ea8f9f1b7edd7ee4f3c46f8c5eb65f9fe0f576b17e0.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3048 7101f10aa1ee868ebbfe8ea8f9f1b7edd7ee4f3c46f8c5eb65f9fe0f576b17e0.exe Token: SeTcbPrivilege 3048 7101f10aa1ee868ebbfe8ea8f9f1b7edd7ee4f3c46f8c5eb65f9fe0f576b17e0.exe Token: SeDebugPrivilege 1092 73871e76 Token: SeTcbPrivilege 1092 73871e76
Processes
-
C:\Users\Admin\AppData\Local\Temp\7101f10aa1ee868ebbfe8ea8f9f1b7edd7ee4f3c46f8c5eb65f9fe0f576b17e0.exe"C:\Users\Admin\AppData\Local\Temp\7101f10aa1ee868ebbfe8ea8f9f1b7edd7ee4f3c46f8c5eb65f9fe0f576b17e0.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:3048
-
C:\Windows\Syswow64\73871e76C:\Windows\Syswow64\73871e761⤵
- 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:1092
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\73871e76
- Size 1024KB
- SHA256 eb913c8d7605c759012ef13f031c08421a4a88cdb9f550cca35942223903e6cc
- MD5 d60077dfdb1d8361106a0f90c8cbe61d
- SHA1 e471334fd2d07b645e35a91d15ee8966f3fb2c8d
- SHA512 4fd84026e507a93c054469abbdd59108dbfe2b674e58bcbf23d020b640bc7b7c64c1d91afae3b9182893e20002777a9fdc4b0a44cd8aa3a4e30dbbc742e3c59a
- SSDEEP 24576:7jHPOSOkx2LFshuZ98Es8k3OH3C0rQ6+y:7TGkQyhuTtS0rQi
- TLSH T1E325AF31E242C03AD5A70172C6BE0BAF95787D25472951C7A3D43D6A2FB22D2AE3570F
- MD5 SHA1 SHA512 SSDEEP TLSH