Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
29/05/2026, 03:54
Behavioral task
behavioral1
Sample
e189a63e577208a4cee8b673465eb7c250553a715d2571f89f081a2650a43c05.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target e189a63e577208a4cee8b673465eb7c250553a715d2571f89f081a2650a43c05.exe
- Size 830KB
- Sample260529-ef6ynact9j
- SHA256 e189a63e577208a4cee8b673465eb7c250553a715d2571f89f081a2650a43c05
- MD5 a5df7f956fa28c75ef2000a97aeca9e7
- SHA1 0c8c1ee223164c90469b9d6adc45431ca5031ed1
- SHA512 3b8dd6437e94033c754ad97abe59463fe4493d0a2254a01941ae792f660f3bfffd9a765f624172e3028b550bbd709adab7c3bb16cfcd9d7e951ae2c49a2dba0a
- SSDEEP 12288:/SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:KvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T1EE055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2176 61639d61 - 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 3984 e189a63e577208a4cee8b673465eb7c250553a715d2571f89f081a2650a43c05.exe Destination IP 2 223.5.5.5 3984 e189a63e577208a4cee8b673465eb7c250553a715d2571f89f081a2650a43c05.exe Destination IP 7 114.114.114.114 3984 e189a63e577208a4cee8b673465eb7c250553a715d2571f89f081a2650a43c05.exe Destination IP 8 223.5.5.5 3984 e189a63e577208a4cee8b673465eb7c250553a715d2571f89f081a2650a43c05.exe - Drops file in System32 directory 11 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 61639d61 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 61639d61 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 61639d61 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 61639d61 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 61639d61 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 61639d61 File created C:\Windows\SysWOW64\61639d61 e189a63e577208a4cee8b673465eb7c250553a715d2571f89f081a2650a43c05.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 61639d61 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 61639d61 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 61639d61 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 61639d61 -
resource yara_rule behavioral2/memory/3984-0-0x0000000000360000-0x00000000003EC000-memory.dmp upx behavioral2/files/0x000600000002aa1b-2.dat upx behavioral2/memory/2176-3-0x0000000000580000-0x000000000060C000-memory.dmp upx behavioral2/memory/3984-10-0x0000000000360000-0x00000000003EC000-memory.dmp upx behavioral2/memory/2176-11-0x0000000000580000-0x000000000060C000-memory.dmp upx behavioral2/memory/2176-19-0x0000000000580000-0x000000000060C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\254100 61639d61 File opened for modification C:\Windows\443520 e189a63e577208a4cee8b673465eb7c250553a715d2571f89f081a2650a43c05.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 e189a63e577208a4cee8b673465eb7c250553a715d2571f89f081a2650a43c05.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 61639d61 - 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:" 61639d61 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 61639d61 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 61639d61 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 61639d61 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 61639d61 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 61639d61 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 61639d61 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 61639d61 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 61639d61 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2176 61639d61 2176 61639d61 2176 61639d61 2176 61639d61 2176 61639d61 2176 61639d61 2176 61639d61 2176 61639d61 3984 e189a63e577208a4cee8b673465eb7c250553a715d2571f89f081a2650a43c05.exe 3984 e189a63e577208a4cee8b673465eb7c250553a715d2571f89f081a2650a43c05.exe 3984 e189a63e577208a4cee8b673465eb7c250553a715d2571f89f081a2650a43c05.exe 3984 e189a63e577208a4cee8b673465eb7c250553a715d2571f89f081a2650a43c05.exe 3984 e189a63e577208a4cee8b673465eb7c250553a715d2571f89f081a2650a43c05.exe 3984 e189a63e577208a4cee8b673465eb7c250553a715d2571f89f081a2650a43c05.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3984 e189a63e577208a4cee8b673465eb7c250553a715d2571f89f081a2650a43c05.exe Token: SeTcbPrivilege 3984 e189a63e577208a4cee8b673465eb7c250553a715d2571f89f081a2650a43c05.exe Token: SeDebugPrivilege 2176 61639d61 Token: SeTcbPrivilege 2176 61639d61
Processes
-
C:\Users\Admin\AppData\Local\Temp\e189a63e577208a4cee8b673465eb7c250553a715d2571f89f081a2650a43c05.exe"C:\Users\Admin\AppData\Local\Temp\e189a63e577208a4cee8b673465eb7c250553a715d2571f89f081a2650a43c05.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:3984
-
C:\Windows\Syswow64\61639d61C:\Windows\Syswow64\61639d611⤵
- 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:2176
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\61639d61
- Size 830KB
- SHA256 b9e352960a70888107539028b2d3354d0f2be73aab9e17a17f27fac3e6f7f663
- MD5 922a2cf5e014a4c6b24e06e764d07f68
- SHA1 348a143aeefa39cc53598067f68fbfff7832ac82
- SHA512 8eb7203ef20e6e0221834ca770dd28e20d41c2a1e4b3e5c45d20043f9cb65fe930dd3e985ef6aa8c4f90c9faca72a10e389ffe6a656d20778ada7a4b306cfe3b
- SSDEEP 12288:pSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:QvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T118055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH