ramnit | c9907e55f0d5592ff335d35708baeb186e11300df90aa3aef1a142344ecc493f

Reason

Machine shutdown

General

Target

Backdoor.Win32.IRCNite.exe
Size

159KB
MD5

709286f2947b18adb809110084227eea
SHA1

2e17106d559df79268d4a8b65b3edf2becc01daa
SHA256

c9907e55f0d5592ff335d35708baeb186e11300df90aa3aef1a142344ecc493f
SHA512

3449920ebde4a20fe51cfe3dadda41c9ca220dc4d0eb2d782e13be074378c3f4653be8fa0492f50e8487756cb4d8ee003998f1bcc302cb54063f312a764dc6fa
SSDEEP

3072:f2gWOEjo6pqMLvJkSo1KArzoHHAgzzInpD:OgXM9UKGzYHAKO

Score

10^/10

ramnit banker evasion persistence spyware stealer trojan upx worm

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,C:\\Users\\Admin\\AppData\\Local\\bakxexje\\jgckoxsu.exe"	Backdoor.Win32.IRCNite.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe,,C:\\Users\\Admin\\AppData\\Local\\bakxexje\\jgckoxsu.exe"	Backdoor.Win32.IRCNite.exe

Modifies firewall policy service 2 TTPs 3 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	Backdoor.Win32.IRCNite.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	Backdoor.Win32.IRCNite.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	Backdoor.Win32.IRCNite.exe

Modifies security service 2 TTPs 4 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	Backdoor.Win32.IRCNite.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\Start = "4"	Backdoor.Win32.IRCNite.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\WinDefend\Start = "4"	Backdoor.Win32.IRCNite.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4"	Backdoor.Win32.IRCNite.exe

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Backdoor.Win32.IRCNite.exe

Windows security bypass 2 TTPs 6 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	Backdoor.Win32.IRCNite.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	Backdoor.Win32.IRCNite.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	Backdoor.Win32.IRCNite.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	Backdoor.Win32.IRCNite.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	Backdoor.Win32.IRCNite.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	Backdoor.Win32.IRCNite.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\jgckoxsu.exe	Backdoor.Win32.IRCNite.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\jgckoxsu.exe	Backdoor.Win32.IRCNite.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1740-54-0x0000000015190000-0x0000000015209000-memory.dmp	upx
behavioral1/memory/1740-55-0x0000000015190000-0x0000000015209000-memory.dmp	upx
behavioral1/memory/1740-61-0x0000000015190000-0x0000000015209000-memory.dmp	upx

Windows security modification 2 TTPs 6 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	Backdoor.Win32.IRCNite.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	Backdoor.Win32.IRCNite.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	Backdoor.Win32.IRCNite.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	Backdoor.Win32.IRCNite.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	Backdoor.Win32.IRCNite.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	Backdoor.Win32.IRCNite.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows\CurrentVersion\Run\JgcKoxsu = "C:\\Users\\Admin\\AppData\\Local\\bakxexje\\jgckoxsu.exe"	Backdoor.Win32.IRCNite.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Backdoor.Win32.IRCNite.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1740	Backdoor.Win32.IRCNite.exe
1740	Backdoor.Win32.IRCNite.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1740	Backdoor.Win32.IRCNite.exe
Token: SeRestorePrivilege	1740	Backdoor.Win32.IRCNite.exe
Token: SeBackupPrivilege	1740	Backdoor.Win32.IRCNite.exe
Token: SeShutdownPrivilege	1740	Backdoor.Win32.IRCNite.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Backdoor.Win32.IRCNite.exe

C:\Users\Admin\AppData\Local\Temp\Backdoor.Win32.IRCNite.exe
"C:\Users\Admin\AppData\Local\Temp\Backdoor.Win32.IRCNite.exe"
1⤵
- Modifies WinLogon for persistence
- Modifies firewall policy service
- Modifies security service
- UAC bypass
- Windows security bypass
- Drops startup file
- Windows security modification
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- System policy modification
PID:1740

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

2

T1031

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1740-54-0x0000000015190000-0x0000000015209000-memory.dmp

Filesize
484KB

Download
memory/1740-55-0x0000000015190000-0x0000000015209000-memory.dmp

Filesize
484KB

Download
memory/1740-60-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/1740-59-0x0000000001C60000-0x0000000001C61000-memory.dmp

Filesize
4KB

Download
memory/1740-61-0x0000000015190000-0x0000000015209000-memory.dmp

Filesize
484KB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads