hiverat | 2f26ea19a8fdb167b8593e8eec03c37248b6e5008f0b9ee5fb7d326cbe6500bf

General

Target

2f26ea19a8fdb167b8593e8eec03c37248b6e5008f0b9ee5fb7d326cbe6500bf.exe
Size

743KB
MD5

b9000bb1ebd5843afc9f524c5b2b4cb0
SHA1

9ce98360d731abf87c11c535184c57095bdb70ce
SHA256

2f26ea19a8fdb167b8593e8eec03c37248b6e5008f0b9ee5fb7d326cbe6500bf
SHA512

e714c718a21cc2090c8b6d829dfa2c23d9543c37dbc9383b9c5126d071e98a389ef1a45fbf71087a2574a9defd23f3996eb50e3507fcc3acb786da1beb33cef5

Score

10^/10

hiverat agilenet persistence rat stealer

Malware Config

Signatures

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

HiveRAT Payload 4 IoCs

resource	yara_rule
behavioral2/memory/1704-11-0x0000000000400000-0x0000000000454000-memory.dmp	family_hiverat
behavioral2/memory/1704-12-0x000000000044CB3E-mapping.dmp	family_hiverat
behavioral2/memory/1704-16-0x0000000000400000-0x0000000000454000-memory.dmp	family_hiverat
behavioral2/memory/1704-22-0x0000000000400000-0x0000000000454000-memory.dmp	family_hiverat

Executes dropped EXE 1 IoCs

pid	Process
1704	InstallUtil.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

resource	yara_rule
behavioral2/memory/652-6-0x00000000022F0000-0x00000000022FB000-memory.dmp	agile_net

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	WScript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Avast Essentials = "C:\\Users\\Admin\\AppData\\Roaming \\ Avast.exe"	WScript.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	WScript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Avast Essentials = "C:\\Users\\Admin\\AppData\\Roaming\\Avast.exe"	WScript.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 652 set thread context of 1704	652	2f26ea19a8fdb167b8593e8eec03c37248b6e5008f0b9ee5fb7d326cbe6500bf.exe	78

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000_Classes\Local Settings	InstallUtil.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000_Classes\Local Settings	explorer.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
652	2f26ea19a8fdb167b8593e8eec03c37248b6e5008f0b9ee5fb7d326cbe6500bf.exe
652	2f26ea19a8fdb167b8593e8eec03c37248b6e5008f0b9ee5fb7d326cbe6500bf.exe
652	2f26ea19a8fdb167b8593e8eec03c37248b6e5008f0b9ee5fb7d326cbe6500bf.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1704	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	652	2f26ea19a8fdb167b8593e8eec03c37248b6e5008f0b9ee5fb7d326cbe6500bf.exe
Token: SeDebugPrivilege	1704	InstallUtil.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 652 wrote to memory of 1704	652	2f26ea19a8fdb167b8593e8eec03c37248b6e5008f0b9ee5fb7d326cbe6500bf.exe	78
PID 652 wrote to memory of 1704	652	2f26ea19a8fdb167b8593e8eec03c37248b6e5008f0b9ee5fb7d326cbe6500bf.exe	78
PID 652 wrote to memory of 1704	652	2f26ea19a8fdb167b8593e8eec03c37248b6e5008f0b9ee5fb7d326cbe6500bf.exe	78
PID 652 wrote to memory of 1704	652	2f26ea19a8fdb167b8593e8eec03c37248b6e5008f0b9ee5fb7d326cbe6500bf.exe	78
PID 652 wrote to memory of 1704	652	2f26ea19a8fdb167b8593e8eec03c37248b6e5008f0b9ee5fb7d326cbe6500bf.exe	78
PID 652 wrote to memory of 1704	652	2f26ea19a8fdb167b8593e8eec03c37248b6e5008f0b9ee5fb7d326cbe6500bf.exe	78
PID 652 wrote to memory of 1704	652	2f26ea19a8fdb167b8593e8eec03c37248b6e5008f0b9ee5fb7d326cbe6500bf.exe	78
PID 652 wrote to memory of 1704	652	2f26ea19a8fdb167b8593e8eec03c37248b6e5008f0b9ee5fb7d326cbe6500bf.exe	78
PID 652 wrote to memory of 1704	652	2f26ea19a8fdb167b8593e8eec03c37248b6e5008f0b9ee5fb7d326cbe6500bf.exe	78
PID 1704 wrote to memory of 3628	1704	InstallUtil.exe	79
PID 1704 wrote to memory of 3628	1704	InstallUtil.exe	79
PID 1704 wrote to memory of 3628	1704	InstallUtil.exe	79
PID 1704 wrote to memory of 2604	1704	InstallUtil.exe	80
PID 1704 wrote to memory of 2604	1704	InstallUtil.exe	80
PID 1704 wrote to memory of 2604	1704	InstallUtil.exe	80
PID 1704 wrote to memory of 3916	1704	InstallUtil.exe	81
PID 1704 wrote to memory of 3916	1704	InstallUtil.exe	81
PID 1704 wrote to memory of 3916	1704	InstallUtil.exe	81
PID 3936 wrote to memory of 1212	3936	explorer.exe	85
PID 3936 wrote to memory of 1212	3936	explorer.exe	85

C:\Users\Admin\AppData\Local\Temp\2f26ea19a8fdb167b8593e8eec03c37248b6e5008f0b9ee5fb7d326cbe6500bf.exe
"C:\Users\Admin\AppData\Local\Temp\2f26ea19a8fdb167b8593e8eec03c37248b6e5008f0b9ee5fb7d326cbe6500bf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:652
- C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
  "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
  2⤵
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1704
- - C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Execution5.vbs"
    3⤵
    PID:3628
- - C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Execution2.vbs"
    3⤵
    - Adds Run key to start application
    PID:2604
- - C:\Windows\SysWOW64\explorer.exe
    "C:\Windows\System32\explorer.exe" C:\Users\Admin\AppData\Local\Execution.vbs
    3⤵
    PID:3916

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3936
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Execution.vbs"
  2⤵
  - Adds Run key to start application
  PID:1212

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

Web Service

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/652-6-0x00000000022F0000-0x00000000022FB000-memory.dmp

Filesize
44KB

Download
memory/652-9-0x00000000048E1000-0x00000000048E2000-memory.dmp

Filesize
4KB

Download
memory/652-10-0x0000000004E70000-0x0000000004E73000-memory.dmp

Filesize
12KB

Download
memory/652-8-0x00000000050E0000-0x00000000050E1000-memory.dmp

Filesize
4KB

Download
memory/652-7-0x00000000054F0000-0x00000000054F1000-memory.dmp

Filesize
4KB

Download
memory/652-5-0x00000000048E0000-0x00000000048E1000-memory.dmp

Filesize
4KB

Download
memory/652-2-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/652-3-0x0000000000040000-0x0000000000041000-memory.dmp

Filesize
4KB

Download
memory/1704-15-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/1704-21-0x0000000005000000-0x0000000005001000-memory.dmp

Filesize
4KB

Download
memory/1704-22-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1704-23-0x0000000004D70000-0x0000000004D71000-memory.dmp

Filesize
4KB

Download
memory/1704-20-0x0000000004DF0000-0x0000000004DF1000-memory.dmp

Filesize
4KB

Download
memory/1704-16-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1704-11-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

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