046d892e27aaa39359271bd36f4ca4cfd4150f5386980b812ddf20f1184df31e

Analysis

max time kernel
121s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 23:28

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

06ebaf2987e30d528eefc6d7d8f77bae.exe
Size

70KB
MD5

06ebaf2987e30d528eefc6d7d8f77bae
SHA1

81c5ca20844a87ad4f7a43c609951a26edac18ae
SHA256

046d892e27aaa39359271bd36f4ca4cfd4150f5386980b812ddf20f1184df31e
SHA512

aa9e4fb3568d33a25758318012c0aa4fd1abd79e3293034ee1ff3dc44c041f4ad8ffc0c55efc57c4f41773cba4812dfdf11efb0fd3d4ff5fec68a4db34e8d424
SSDEEP

1536:i6CiPAd0KgAkeYwB3IqziF/vpR14TzNbEdcme6eIFytuGRsdoqZm:iDiYd0KgAkeYE3j4/vpR14NbScmlJEtd

Score

7^/10

persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	06ebaf2987e30d528eefc6d7d8f77bae.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\System = "kdnju.exe"	06ebaf2987e30d528eefc6d7d8f77bae.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\kdnju.exe	06ebaf2987e30d528eefc6d7d8f77bae.exe
File opened for modification	C:\Windows\SysWOW64\kdnju.exe	06ebaf2987e30d528eefc6d7d8f77bae.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5096 set thread context of 1132	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe	91

Modifies Control Panel 2 IoCs

evasion

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo	06ebaf2987e30d528eefc6d7d8f77bae.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International	06ebaf2987e30d528eefc6d7d8f77bae.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5096	06ebaf2987e30d528eefc6d7d8f77bae.exe
5096	06ebaf2987e30d528eefc6d7d8f77bae.exe
5096	06ebaf2987e30d528eefc6d7d8f77bae.exe
5096	06ebaf2987e30d528eefc6d7d8f77bae.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe
Token: SeSecurityPrivilege	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe
Token: SeTakeOwnershipPrivilege	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe
Token: SeLoadDriverPrivilege	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe
Token: SeSystemProfilePrivilege	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe
Token: SeSystemtimePrivilege	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe
Token: SeProfSingleProcessPrivilege	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe
Token: SeIncBasePriorityPrivilege	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe
Token: SeCreatePagefilePrivilege	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe
Token: SeBackupPrivilege	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe
Token: SeRestorePrivilege	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe
Token: SeShutdownPrivilege	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe
Token: SeDebugPrivilege	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe
Token: SeSystemEnvironmentPrivilege	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe
Token: SeChangeNotifyPrivilege	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe
Token: SeRemoteShutdownPrivilege	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe
Token: SeUndockPrivilege	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe
Token: SeManageVolumePrivilege	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe
Token: SeImpersonatePrivilege	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe
Token: SeCreateGlobalPrivilege	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe
Token: 33	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe
Token: 34	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe
Token: 35	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe
Token: 36	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5096 wrote to memory of 4484	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe	92
PID 5096 wrote to memory of 4484	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe	92
PID 5096 wrote to memory of 1132	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe	91
PID 5096 wrote to memory of 1132	5096	06ebaf2987e30d528eefc6d7d8f77bae.exe	91

C:\Users\Admin\AppData\Local\Temp\06ebaf2987e30d528eefc6d7d8f77bae.exe
"C:\Users\Admin\AppData\Local\Temp\06ebaf2987e30d528eefc6d7d8f77bae.exe"
1⤵
- Checks computer location settings
- Modifies WinLogon
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Modifies Control Panel
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5096
- C:\Windows\bfsvc.exe
  C:\Windows\bfsvc.exe
  2⤵
  PID:1132
- C:\Windows\bfsvc.exe
  C:\Windows\bfsvc.exe
  2⤵
  PID:4484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/5096-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/5096-1-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/5096-2-0x000000006B800000-0x000000006B8F0000-memory.dmp

Filesize
960KB

Download
memory/5096-18-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download