1c0f271fdda1c1c548bed595414ac25d1153d63391ed8470a41c8befacd2e370

Analysis

max time kernel
149s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
18/10/2026, 21:16

Target
01.exe
Size 64KB
Sample261018-z4f3css12m
SHA256 1c0f271fdda1c1c548bed595414ac25d1153d63391ed8470a41c8befacd2e370
MD5 8908576d33b9df4414009550f2b5f8dc
SHA1 7b9173eada8fb71a642b5fc3cebb0063915a2dd1
SHA512 82fa8d692b474cf0ac66abe562e1990161e3823c059821583b58872bbc9ed16938e88dc2f47aee587b733f6ec49b62e31a6ef866b29dcd072f7d3f58ae88d0b1
SSDEEP 1536:WjIrMWnx+0M1TSzOCyk2GIyFcu8HTW+bPcqElBPCRqG:XrL+0M1TuOCykMyWt77cqElxC7
TLSH
T149535DB5C4C87C88E1E2C5F9EF38E6900E4397659658F443B5C8B96B07735FAA840CB9
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1846164713-4096795028-774071693-1000\Control Panel\International\Geo\Nation	01.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\System = "kdyri.exe"	01.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\kdyri.exe	01.exe
File opened for modification	C:\Windows\SysWOW64\kdyri.exe	01.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2400 set thread context of 3208	2400	01.exe	85

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

System Language Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	01.exe

Modifies Control Panel 2 IoCs

defense_evasion

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1846164713-4096795028-774071693-1000\Control Panel\International\Geo	01.exe
Key created	\REGISTRY\USER\S-1-5-21-1846164713-4096795028-774071693-1000\Control Panel\International	01.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1846164713-4096795028-774071693-1000_Classes\Local Settings	explorer.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2400	01.exe
Token: SeSecurityPrivilege	2400	01.exe
Token: SeTakeOwnershipPrivilege	2400	01.exe
Token: SeLoadDriverPrivilege	2400	01.exe
Token: SeSystemProfilePrivilege	2400	01.exe
Token: SeSystemtimePrivilege	2400	01.exe
Token: SeProfSingleProcessPrivilege	2400	01.exe
Token: SeIncBasePriorityPrivilege	2400	01.exe
Token: SeCreatePagefilePrivilege	2400	01.exe
Token: SeBackupPrivilege	2400	01.exe
Token: SeRestorePrivilege	2400	01.exe
Token: SeShutdownPrivilege	2400	01.exe
Token: SeDebugPrivilege	2400	01.exe
Token: SeSystemEnvironmentPrivilege	2400	01.exe
Token: SeChangeNotifyPrivilege	2400	01.exe
Token: SeRemoteShutdownPrivilege	2400	01.exe
Token: SeUndockPrivilege	2400	01.exe
Token: SeManageVolumePrivilege	2400	01.exe
Token: SeImpersonatePrivilege	2400	01.exe
Token: SeCreateGlobalPrivilege	2400	01.exe
Token: 33	2400	01.exe
Token: 34	2400	01.exe
Token: 35	2400	01.exe
Token: 36	2400	01.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 3208	2400	01.exe	85

C:\Users\Admin\AppData\Local\Temp\01.exe
"C:\Users\Admin\AppData\Local\Temp\01.exe"
1⤵
- Checks computer location settings
- Modifies WinLogon
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\explorer.exe
  C:\Windows\explorer.exe
  2⤵
  - Modifies registry class
  PID:3208