Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
29/07/2026, 10:21
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
3d9f1557fc68c2e51ff6873b908c63d776d73f7930314ac422dd8c2af74c20ef.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
3d9f1557fc68c2e51ff6873b908c63d776d73f7930314ac422dd8c2af74c20ef.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
8 signatures
150 seconds
General
- Target 3d9f1557fc68c2e51ff6873b908c63d776d73f7930314ac422dd8c2af74c20ef.exe
- Size 3.3MB
- Sample260729-md6twadr91
- SHA256 3d9f1557fc68c2e51ff6873b908c63d776d73f7930314ac422dd8c2af74c20ef
- MD5 949c75764e585b471451d8e72ea0a34c
- SHA1 1a5edcc00233f0c6484b9d7e8ac67c1a6ad37550
- SHA512 8c348263669cfe70e47f018e0b77181d4ca9bb27d95222318904ca9113e3bc8897db515ed640e6628bdb81954efe8b16d312a81719120e1d792204e829856b46
- SSDEEP 24576:OvO2xJKRI2dOkx2LFAC///wjHPOnOkx2LFhJbKkKF/eMNPjxdnQbzU:OHHKO2FQN///wTGHQd9KFeMxQbzU
- TLSH T102F54B12FB90C636D16A573048AB439A6BB5FD405B128BDF62D4B31F0F732869E31E58
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1104 bc48a45c - 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 1532 3d9f1557fc68c2e51ff6873b908c63d776d73f7930314ac422dd8c2af74c20ef.exe Destination IP 2 223.5.5.5 1532 3d9f1557fc68c2e51ff6873b908c63d776d73f7930314ac422dd8c2af74c20ef.exe Destination IP 33 114.114.114.114 1532 3d9f1557fc68c2e51ff6873b908c63d776d73f7930314ac422dd8c2af74c20ef.exe Destination IP 34 223.5.5.5 1532 3d9f1557fc68c2e51ff6873b908c63d776d73f7930314ac422dd8c2af74c20ef.exe - Drops file in System32 directory 17 IoCs
description ioc Process File created C:\Windows\SysWOW64\bc48a45c 3d9f1557fc68c2e51ff6873b908c63d776d73f7930314ac422dd8c2af74c20ef.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 bc48a45c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData bc48a45c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 bc48a45c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies bc48a45c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE bc48a45c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache bc48a45c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C bc48a45c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 bc48a45c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 bc48a45c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft bc48a45c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 bc48a45c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content bc48a45c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 bc48a45c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 bc48a45c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C bc48a45c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 bc48a45c - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1a3a78 3d9f1557fc68c2e51ff6873b908c63d776d73f7930314ac422dd8c2af74c20ef.exe File opened for modification C:\Windows\12e6a0 bc48a45c - 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 3d9f1557fc68c2e51ff6873b908c63d776d73f7930314ac422dd8c2af74c20ef.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bc48a45c - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" bc48a45c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ bc48a45c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" bc48a45c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" bc48a45c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" bc48a45c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" bc48a45c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" bc48a45c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing bc48a45c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix bc48a45c - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1104 bc48a45c 1104 bc48a45c 1104 bc48a45c 1104 bc48a45c 1104 bc48a45c 1104 bc48a45c 1104 bc48a45c 1104 bc48a45c 1532 3d9f1557fc68c2e51ff6873b908c63d776d73f7930314ac422dd8c2af74c20ef.exe 1532 3d9f1557fc68c2e51ff6873b908c63d776d73f7930314ac422dd8c2af74c20ef.exe 1532 3d9f1557fc68c2e51ff6873b908c63d776d73f7930314ac422dd8c2af74c20ef.exe 1532 3d9f1557fc68c2e51ff6873b908c63d776d73f7930314ac422dd8c2af74c20ef.exe 1532 3d9f1557fc68c2e51ff6873b908c63d776d73f7930314ac422dd8c2af74c20ef.exe 1532 3d9f1557fc68c2e51ff6873b908c63d776d73f7930314ac422dd8c2af74c20ef.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1532 3d9f1557fc68c2e51ff6873b908c63d776d73f7930314ac422dd8c2af74c20ef.exe Token: SeTcbPrivilege 1532 3d9f1557fc68c2e51ff6873b908c63d776d73f7930314ac422dd8c2af74c20ef.exe Token: SeDebugPrivilege 1104 bc48a45c Token: SeTcbPrivilege 1104 bc48a45c
Processes
-
C:\Users\Admin\AppData\Local\Temp\3d9f1557fc68c2e51ff6873b908c63d776d73f7930314ac422dd8c2af74c20ef.exe"C:\Users\Admin\AppData\Local\Temp\3d9f1557fc68c2e51ff6873b908c63d776d73f7930314ac422dd8c2af74c20ef.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:1532
-
C:\Windows\Syswow64\bc48a45cC:\Windows\Syswow64\bc48a45c1⤵
- 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:1104
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\bc48a45c
- Size 3.3MB
- SHA256 dcc47dc1d3e1414dbc5f42bf20d3eafd5a37ea81139116d64c45731533f688d5
- MD5 81a6ba1664d3d21eddd467c0fa0205e1
- SHA1 4edd45a4f21fcf22e9882a7e7f10b35e166f1143
- SHA512 69e73f8f6c9a9fa71f3c92f38e0ed4e0007219382b978a5bca5b965ebc0d672f47b6c47407cd01c8023ac5cdf2730b257ed44db13f6ea3fcf106c706680fa729
- SSDEEP 24576:RvO2xJKRI2dOkx2LFAC///wjHPOnOkx2LFhJbKkKF/eMNPjxdnQbzU:RHHKO2FQN///wTGHQd9KFeMxQbzU
- TLSH T1F0F54B12FB90C636D16A573048AB439A6BB5FD405B128BDF62D4B31F0F732869E31E58
- MD5 SHA1 SHA512 SSDEEP TLSH