Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
28/04/2026, 19:29
Behavioral task
behavioral1
Sample
cd4b9b7e214cd0e77b8c021a692b06ceef13f07512127da34b9fb61062af6f1f.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target cd4b9b7e214cd0e77b8c021a692b06ceef13f07512127da34b9fb61062af6f1f.exe
- Size 830KB
- Sample260428-x7grysdy4y
- SHA256 cd4b9b7e214cd0e77b8c021a692b06ceef13f07512127da34b9fb61062af6f1f
- MD5 2d6d1f5b43a05684ea23e45321d863c0
- SHA1 8d58fab2df04acd64e6153b1b520458a81c37ecf
- SHA512 1cc57b854c636bb8cb30ca793a7954a452b0740e405ad339c1bce72c2b046ece391fc1b685fa8e64de5f13a4dafedb92b80f8f41b06bdd77af566a472b27fda3
- SSDEEP 12288:0SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:HvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T1FB055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3544 cd2d846e - 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 4136 cd4b9b7e214cd0e77b8c021a692b06ceef13f07512127da34b9fb61062af6f1f.exe Destination IP 10 223.5.5.5 4136 cd4b9b7e214cd0e77b8c021a692b06ceef13f07512127da34b9fb61062af6f1f.exe Destination IP 31 114.114.114.114 4136 cd4b9b7e214cd0e77b8c021a692b06ceef13f07512127da34b9fb61062af6f1f.exe Destination IP 32 223.5.5.5 4136 cd4b9b7e214cd0e77b8c021a692b06ceef13f07512127da34b9fb61062af6f1f.exe - Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\cd2d846e cd4b9b7e214cd0e77b8c021a692b06ceef13f07512127da34b9fb61062af6f1f.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE cd2d846e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies cd2d846e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft cd2d846e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache cd2d846e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData cd2d846e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cd2d846e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content cd2d846e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 cd2d846e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 cd2d846e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cd2d846e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cd2d846e File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cd2d846e -
resource yara_rule behavioral1/memory/4136-0-0x00000000002F0000-0x000000000037C000-memory.dmp upx behavioral1/files/0x0008000000022e76-2.dat upx behavioral1/memory/3544-4-0x0000000000D60000-0x0000000000DEC000-memory.dmp upx behavioral1/memory/4136-10-0x00000000002F0000-0x000000000037C000-memory.dmp upx behavioral1/memory/3544-11-0x0000000000D60000-0x0000000000DEC000-memory.dmp upx behavioral1/memory/3544-30-0x0000000000D60000-0x0000000000DEC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\46cf50 cd4b9b7e214cd0e77b8c021a692b06ceef13f07512127da34b9fb61062af6f1f.exe File opened for modification C:\Windows\3cacb0 cd2d846e - 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 cd4b9b7e214cd0e77b8c021a692b06ceef13f07512127da34b9fb61062af6f1f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cd2d846e - 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\Cookies\CachePrefix = "Cookie:" cd2d846e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" cd2d846e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" cd2d846e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" cd2d846e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ cd2d846e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" cd2d846e Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" cd2d846e Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing cd2d846e Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix cd2d846e - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3544 cd2d846e 3544 cd2d846e 3544 cd2d846e 3544 cd2d846e 3544 cd2d846e 3544 cd2d846e 3544 cd2d846e 3544 cd2d846e 4136 cd4b9b7e214cd0e77b8c021a692b06ceef13f07512127da34b9fb61062af6f1f.exe 4136 cd4b9b7e214cd0e77b8c021a692b06ceef13f07512127da34b9fb61062af6f1f.exe 4136 cd4b9b7e214cd0e77b8c021a692b06ceef13f07512127da34b9fb61062af6f1f.exe 4136 cd4b9b7e214cd0e77b8c021a692b06ceef13f07512127da34b9fb61062af6f1f.exe 4136 cd4b9b7e214cd0e77b8c021a692b06ceef13f07512127da34b9fb61062af6f1f.exe 4136 cd4b9b7e214cd0e77b8c021a692b06ceef13f07512127da34b9fb61062af6f1f.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4136 cd4b9b7e214cd0e77b8c021a692b06ceef13f07512127da34b9fb61062af6f1f.exe Token: SeTcbPrivilege 4136 cd4b9b7e214cd0e77b8c021a692b06ceef13f07512127da34b9fb61062af6f1f.exe Token: SeDebugPrivilege 3544 cd2d846e Token: SeTcbPrivilege 3544 cd2d846e
Processes
-
C:\Users\Admin\AppData\Local\Temp\cd4b9b7e214cd0e77b8c021a692b06ceef13f07512127da34b9fb61062af6f1f.exe"C:\Users\Admin\AppData\Local\Temp\cd4b9b7e214cd0e77b8c021a692b06ceef13f07512127da34b9fb61062af6f1f.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:4136
-
C:\Windows\Syswow64\cd2d846eC:\Windows\Syswow64\cd2d846e1⤵
- 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:3544
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\cd2d846e
- Size 830KB
- SHA256 d11ded54e173042daa95478a59c7da220b4c1e51c54f79c545f86f57871eb7f5
- MD5 90ad39ef113ff83a739c8e82621ebe62
- SHA1 4d823783a875222d859aef2dc3523f310cdf1611
- SHA512 639ada4d7b7dc934070aecfab7709a067614559cbb7a5d759994eacdf094ee001840b9dbfd50368aeea4312dd2c97fcb1c99f4eb3fd34bdfd674b3ca75dad8b0
- SSDEEP 12288:zSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:GvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T172055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH