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
30/04/2026, 08:29
Behavioral task
behavioral1
Sample
184b523d0a282cf12980a718ec7567f9cdafffeb9c05b3ec0a745c52729574be.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 184b523d0a282cf12980a718ec7567f9cdafffeb9c05b3ec0a745c52729574be.exe
- Size 1.4MB
- Sample260430-kdveqsf14n
- SHA256 184b523d0a282cf12980a718ec7567f9cdafffeb9c05b3ec0a745c52729574be
- MD5 1f7d2297141de6ae2561587523d6e916
- SHA1 cc2f2056c96a6e6e15aadcaf031dfaf913232dbb
- SHA512 eb2f2757fddef40f525e34bfd038baa1c71f668523a954d7c5b52ea33e42e25f89a795fdafba087a54761058b96990be8921d8795b4406b092cfbead69b05c42
- SSDEEP 24576:TjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:TTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T114658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1160 37d456e4 - 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 184b523d0a282cf12980a718ec7567f9cdafffeb9c05b3ec0a745c52729574be.exe Destination IP 2 223.5.5.5 3048 184b523d0a282cf12980a718ec7567f9cdafffeb9c05b3ec0a745c52729574be.exe Destination IP 8 114.114.114.114 3048 184b523d0a282cf12980a718ec7567f9cdafffeb9c05b3ec0a745c52729574be.exe Destination IP 11 223.5.5.5 3048 184b523d0a282cf12980a718ec7567f9cdafffeb9c05b3ec0a745c52729574be.exe - Drops file in System32 directory 17 IoCs
description ioc Process File created C:\Windows\SysWOW64\37d456e4 184b523d0a282cf12980a718ec7567f9cdafffeb9c05b3ec0a745c52729574be.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 37d456e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 37d456e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 37d456e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 37d456e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 37d456e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 37d456e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 37d456e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 37d456e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 37d456e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 37d456e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 37d456e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 37d456e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 37d456e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 37d456e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 37d456e4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 37d456e4 -
resource yara_rule behavioral2/memory/3048-0-0x0000000000520000-0x00000000005A9000-memory.dmp upx behavioral2/files/0x000700000000d3f6-2.dat upx behavioral2/memory/1160-4-0x0000000000C70000-0x0000000000CF9000-memory.dmp upx behavioral2/memory/3048-12-0x0000000000520000-0x00000000005A9000-memory.dmp upx behavioral2/memory/1160-14-0x0000000000C70000-0x0000000000CF9000-memory.dmp upx behavioral2/memory/3048-32-0x0000000000520000-0x00000000005A9000-memory.dmp upx behavioral2/memory/1160-33-0x0000000000C70000-0x0000000000CF9000-memory.dmp upx behavioral2/memory/3048-40-0x0000000000520000-0x00000000005A9000-memory.dmp upx behavioral2/memory/1160-43-0x0000000000C70000-0x0000000000CF9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\13dc10 37d456e4 File opened for modification C:\Windows\342ed0 184b523d0a282cf12980a718ec7567f9cdafffeb9c05b3ec0a745c52729574be.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 184b523d0a282cf12980a718ec7567f9cdafffeb9c05b3ec0a745c52729574be.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 37d456e4 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 37d456e4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 37d456e4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 37d456e4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 37d456e4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 37d456e4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 37d456e4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 37d456e4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 37d456e4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 37d456e4 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1160 37d456e4 1160 37d456e4 1160 37d456e4 1160 37d456e4 1160 37d456e4 1160 37d456e4 1160 37d456e4 1160 37d456e4 3048 184b523d0a282cf12980a718ec7567f9cdafffeb9c05b3ec0a745c52729574be.exe 3048 184b523d0a282cf12980a718ec7567f9cdafffeb9c05b3ec0a745c52729574be.exe 3048 184b523d0a282cf12980a718ec7567f9cdafffeb9c05b3ec0a745c52729574be.exe 3048 184b523d0a282cf12980a718ec7567f9cdafffeb9c05b3ec0a745c52729574be.exe 3048 184b523d0a282cf12980a718ec7567f9cdafffeb9c05b3ec0a745c52729574be.exe 3048 184b523d0a282cf12980a718ec7567f9cdafffeb9c05b3ec0a745c52729574be.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3048 184b523d0a282cf12980a718ec7567f9cdafffeb9c05b3ec0a745c52729574be.exe Token: SeTcbPrivilege 3048 184b523d0a282cf12980a718ec7567f9cdafffeb9c05b3ec0a745c52729574be.exe Token: SeDebugPrivilege 1160 37d456e4 Token: SeTcbPrivilege 1160 37d456e4
Processes
-
C:\Users\Admin\AppData\Local\Temp\184b523d0a282cf12980a718ec7567f9cdafffeb9c05b3ec0a745c52729574be.exe"C:\Users\Admin\AppData\Local\Temp\184b523d0a282cf12980a718ec7567f9cdafffeb9c05b3ec0a745c52729574be.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\37d456e4C:\Windows\Syswow64\37d456e41⤵
- 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:1160
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\37d456e4
- Size 1.4MB
- SHA256 552539e6742e0b9a88e981622445bd14169f9bc2124ace3d4568a8890510ff24
- MD5 ff36c8d891c8ce3770347728cb287655
- SHA1 805bef0e3798a59d33b24c89267f8bd126c620ca
- SHA512 6e71254bdf68e0bb64afe25ea22c64b1ba3afbc8e98268844616378df713026a8bee28fabaf685acef9ea6f642f929851881fb40f6a57b143fbd24175f9a7f3e
- SSDEEP 24576:rjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:rTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T1C0658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH