hiverat | ca6b1afe76cbc6f14e10608b426d7c6c028ab78de5cca30ae7b5880710865171

General

Target

ca6b1afe76cbc6f14e10608b426d7c6c028ab78de5cca30ae7b5880710865171.exe
Size

783KB
MD5

af453e6dc8439e4856260859e7d68fc1
SHA1

031520acf4961f5938f0ceeb2f02e2656667cffb
SHA256

ca6b1afe76cbc6f14e10608b426d7c6c028ab78de5cca30ae7b5880710865171
SHA512

434afe14ea03edb8988ca23785275a63f8398936811f0b86215c1f4b3f165fc0da352e01aa16206e6f28bf93dee4c0ec21882b08b35adedb55052d7fb54136e3

Score

10^/10

hiverat evasion persistence rat stealer trojan

Malware Config

Signatures

HiveRAT
HiveRAT is an improved version of FirebirdRAT with various capabilities.
rat stealer hiverat

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Local\\Temp\\ca6b1afe76cbc6f14e10608b426d7c6c028ab78de5cca30ae7b5880710865171.exe\""	ca6b1afe76cbc6f14e10608b426d7c6c028ab78de5cca30ae7b5880710865171.exe

Modifies Windows Defender Real-time Protection settings 3 TTPs
evasion trojan

Modify Registry
T1112

Modify Existing Service
T1031

Disabling Security Tools
T1089

HiveRAT Payload 2 IoCs

resource	yara_rule
behavioral2/memory/2964-155-0x0000000000400000-0x000000000049A000-memory.dmp	family_hiverat
behavioral2/memory/2964-153-0x0000000000400000-0x000000000049A000-memory.dmp	family_hiverat

Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	ca6b1afe76cbc6f14e10608b426d7c6c028ab78de5cca30ae7b5880710865171.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	ca6b1afe76cbc6f14e10608b426d7c6c028ab78de5cca30ae7b5880710865171.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	ca6b1afe76cbc6f14e10608b426d7c6c028ab78de5cca30ae7b5880710865171.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	ca6b1afe76cbc6f14e10608b426d7c6c028ab78de5cca30ae7b5880710865171.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\RadeonInstaller = "C:\\Users\\Admin\\AppData\\Local\\Temp\\uclui.exe"	ca6b1afe76cbc6f14e10608b426d7c6c028ab78de5cca30ae7b5880710865171.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SomethingNew = "C:\\Users\\Admin\\AppData\\Local\\Temp\\uclui.exe"	ca6b1afe76cbc6f14e10608b426d7c6c028ab78de5cca30ae7b5880710865171.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RadeonCurrentUserInstall = "C:\\Users\\Admin\\AppData\\Local\\Temp\\uclui.exe"	ca6b1afe76cbc6f14e10608b426d7c6c028ab78de5cca30ae7b5880710865171.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	ca6b1afe76cbc6f14e10608b426d7c6c028ab78de5cca30ae7b5880710865171.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	ca6b1afe76cbc6f14e10608b426d7c6c028ab78de5cca30ae7b5880710865171.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4708	2964	WerFault.exe	89

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4548	powershell.exe
4548	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4548	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 4548	2040	ca6b1afe76cbc6f14e10608b426d7c6c028ab78de5cca30ae7b5880710865171.exe	82
PID 2040 wrote to memory of 4548	2040	ca6b1afe76cbc6f14e10608b426d7c6c028ab78de5cca30ae7b5880710865171.exe	82
PID 2040 wrote to memory of 4548	2040	ca6b1afe76cbc6f14e10608b426d7c6c028ab78de5cca30ae7b5880710865171.exe	82

C:\Users\Admin\AppData\Local\Temp\ca6b1afe76cbc6f14e10608b426d7c6c028ab78de5cca30ae7b5880710865171.exe
"C:\Users\Admin\AppData\Local\Temp\ca6b1afe76cbc6f14e10608b426d7c6c028ab78de5cca30ae7b5880710865171.exe"
1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Windows security modification
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" Get-MpPreference -verbose
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4548
- C:\Users\Admin\AppData\Local\Temp\ca6b1afe76cbc6f14e10608b426d7c6c028ab78de5cca30ae7b5880710865171.exe
  "C:\Users\Admin\AppData\Local\Temp\ca6b1afe76cbc6f14e10608b426d7c6c028ab78de5cca30ae7b5880710865171.exe"
  2⤵
  PID:2964
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2964 -s 764
    3⤵
    - Program crash
    PID:4708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2964 -ip 2964
1⤵
PID:960

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Disabling Security Tools

Modify Registry

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2040-130-0x0000000000FC0000-0x0000000001088000-memory.dmp

Filesize
800KB

Download
memory/2040-131-0x0000000001B70000-0x0000000001C0C000-memory.dmp

Filesize
624KB

Download
memory/2040-132-0x0000000006040000-0x00000000065E4000-memory.dmp

Filesize
5.6MB

Download
memory/2040-133-0x0000000005A90000-0x0000000005B22000-memory.dmp

Filesize
584KB

Download
memory/2040-134-0x0000000001C90000-0x0000000001C9A000-memory.dmp

Filesize
40KB

Download
memory/2040-135-0x0000000005E80000-0x0000000005EE6000-memory.dmp

Filesize
408KB

Download
memory/2964-153-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/2964-155-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/4548-142-0x00000000060E0000-0x0000000006112000-memory.dmp

Filesize
200KB

Download
memory/4548-145-0x00000000074B0000-0x0000000007B2A000-memory.dmp

Filesize
6.5MB

Download
memory/4548-141-0x0000000005AA0000-0x0000000005ABE000-memory.dmp

Filesize
120KB

Download
memory/4548-140-0x00000000053B0000-0x0000000005416000-memory.dmp

Filesize
408KB

Download
memory/4548-144-0x00000000060C0000-0x00000000060DE000-memory.dmp

Filesize
120KB

Download
memory/4548-143-0x00000000706E0000-0x000000007072C000-memory.dmp

Filesize
304KB

Download
memory/4548-146-0x0000000006E50000-0x0000000006E6A000-memory.dmp

Filesize
104KB

Download
memory/4548-139-0x0000000005290000-0x00000000052B2000-memory.dmp

Filesize
136KB

Download
memory/4548-147-0x0000000006EA0000-0x0000000006EAA000-memory.dmp

Filesize
40KB

Download
memory/4548-148-0x00000000070A0000-0x0000000007136000-memory.dmp

Filesize
600KB

Download
memory/4548-149-0x0000000007060000-0x000000000706E000-memory.dmp

Filesize
56KB

Download
memory/4548-151-0x0000000007150000-0x0000000007158000-memory.dmp

Filesize
32KB

Download
memory/4548-150-0x0000000007160000-0x000000000717A000-memory.dmp

Filesize
104KB

Download
memory/4548-138-0x0000000004C20000-0x0000000005248000-memory.dmp

Filesize
6.2MB

Download
memory/4548-137-0x00000000045B0000-0x00000000045E6000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads