Analysis
- max time kernel
149s - max time network
149s - 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, 20:33
Behavioral task
behavioral1
Sample
61f1cc521312c51201f529dae60d4888d3507dfa664b31860245cada71eb3a6f.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
61f1cc521312c51201f529dae60d4888d3507dfa664b31860245cada71eb3a6f.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
10 signatures
150 seconds
General
- Target 61f1cc521312c51201f529dae60d4888d3507dfa664b31860245cada71eb3a6f.exe
- Size 560KB
- Sample260729-zbzzrssbpg
- SHA256 61f1cc521312c51201f529dae60d4888d3507dfa664b31860245cada71eb3a6f
- MD5 8f849a11dbab6784554721ed041254a6
- SHA1 8b9ae7d884d151132e1098f741f057643a1ce2bf
- SHA512 bd66e18c9b22bd1e02efd8c5a4d3d9f6e7abf6b9422268949224b1da34776a9a497f7cd06d63d4762019bfecaa750e44bf1805deaf6ca4ff1f9409cdbb4bfa67
- SSDEEP 6144:m6UE71cqQEoMr5C2iKLJChYSvL+8xPFxirGcEOkCybEaQRXr9HNdvOa+y8K:mO7OqQs42iKFChYSvL+8AsOkx2LIa+y
- TLSH T129C46C26B6A0D076C4B79574C4A28BA6FFB1742227244BCFA39047561F637E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5000 25e2a888 - 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 3 114.114.114.114 1384 61f1cc521312c51201f529dae60d4888d3507dfa664b31860245cada71eb3a6f.exe Destination IP 4 223.5.5.5 1384 61f1cc521312c51201f529dae60d4888d3507dfa664b31860245cada71eb3a6f.exe Destination IP 38 114.114.114.114 1384 61f1cc521312c51201f529dae60d4888d3507dfa664b31860245cada71eb3a6f.exe Destination IP 40 223.5.5.5 1384 61f1cc521312c51201f529dae60d4888d3507dfa664b31860245cada71eb3a6f.exe - Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\25e2a888 61f1cc521312c51201f529dae60d4888d3507dfa664b31860245cada71eb3a6f.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 25e2a888 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 25e2a888 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 25e2a888 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 25e2a888 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 25e2a888 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 25e2a888 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 25e2a888 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 25e2a888 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 25e2a888 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 25e2a888 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 25e2a888 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 25e2a888 -
resource yara_rule behavioral1/memory/1384-0-0x0000000000870000-0x00000000008FC000-memory.dmp upx behavioral1/files/0x000a00000002423c-2.dat upx behavioral1/memory/5000-4-0x0000000000540000-0x00000000005CC000-memory.dmp upx behavioral1/memory/1384-10-0x0000000000870000-0x00000000008FC000-memory.dmp upx behavioral1/memory/5000-11-0x0000000000540000-0x00000000005CC000-memory.dmp upx behavioral1/memory/5000-26-0x0000000000540000-0x00000000005CC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\559a10 25e2a888 File opened for modification C:\Windows\17b1d0 61f1cc521312c51201f529dae60d4888d3507dfa664b31860245cada71eb3a6f.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 61f1cc521312c51201f529dae60d4888d3507dfa664b31860245cada71eb3a6f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 25e2a888 - 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\Content\CachePrefix 25e2a888 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 25e2a888 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 25e2a888 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 25e2a888 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 25e2a888 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 25e2a888 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 25e2a888 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 25e2a888 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 25e2a888 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5000 25e2a888 5000 25e2a888 5000 25e2a888 5000 25e2a888 5000 25e2a888 5000 25e2a888 5000 25e2a888 5000 25e2a888 1384 61f1cc521312c51201f529dae60d4888d3507dfa664b31860245cada71eb3a6f.exe 1384 61f1cc521312c51201f529dae60d4888d3507dfa664b31860245cada71eb3a6f.exe 1384 61f1cc521312c51201f529dae60d4888d3507dfa664b31860245cada71eb3a6f.exe 1384 61f1cc521312c51201f529dae60d4888d3507dfa664b31860245cada71eb3a6f.exe 1384 61f1cc521312c51201f529dae60d4888d3507dfa664b31860245cada71eb3a6f.exe 1384 61f1cc521312c51201f529dae60d4888d3507dfa664b31860245cada71eb3a6f.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1384 61f1cc521312c51201f529dae60d4888d3507dfa664b31860245cada71eb3a6f.exe Token: SeTcbPrivilege 1384 61f1cc521312c51201f529dae60d4888d3507dfa664b31860245cada71eb3a6f.exe Token: SeDebugPrivilege 5000 25e2a888 Token: SeTcbPrivilege 5000 25e2a888
Processes
-
C:\Users\Admin\AppData\Local\Temp\61f1cc521312c51201f529dae60d4888d3507dfa664b31860245cada71eb3a6f.exe"C:\Users\Admin\AppData\Local\Temp\61f1cc521312c51201f529dae60d4888d3507dfa664b31860245cada71eb3a6f.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:1384
-
C:\Windows\Syswow64\25e2a888C:\Windows\Syswow64\25e2a8881⤵
- 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:5000
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\25e2a888
- Size 560KB
- SHA256 04e3346701877a69c35cbbebf9986429135f23406b4bea4eda10dc6caf2b074e
- MD5 cf1ccea05f2f2fd8e95b41d2d5d19a04
- SHA1 1756842e71fc31d937fae44491eedaf97d8c71e5
- SHA512 ea22aed9c04574bed957965b9cce0e9cbddb069749d8f210a615b8232e45453eaafa5415318a9afc3e3b392540105d9e06fe1274ba6a9e94d7ab185df81c2994
- SSDEEP 6144:76UE71cqQEoMr5C2iKLJChYSvL+8xPFxirGcEOkCybEaQRXr9HNdvOa+y8K:7O7OqQs42iKFChYSvL+8AsOkx2LIa+y
- TLSH T1CBC46C26B6A0D076C4B79574C4A28BA6FFB1742227244BCFA39047561F637E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH