9e3cde7a6f4c114daf5627a39a5999918f894489c922d82008cb21771f761d45

Analysis

max time kernel
1802s
max time network
1570s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
24-07-2023 15:13

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General

Target

Venom5-HVNC-Rat/VenomRAT_HVNC/Resources/HVNC.FrmBuilder.resources
Size

666KB
MD5

562c8bcce238abf004e09ae14372a736
SHA1

d8a13e581f4c45583328e32a6d9575436cd9fd95
SHA256

8fbd3178b21ef4d89f02052a2ca32f5f06aacdda1b4a34620d0b095407f9fbed
SHA512

901c0183af6ed4efef639b2c64cc030ac013101d7882d365e598ee4ccc962ee82564588aa19d66a767662a14ccbca37f4385a76f16bbcda7bf7c68992e5b9941
SSDEEP

12288:KJA2GFCaKLdSRkamhj15PTli7dp/FOuj8vXjk6wyLlXhzsp7BukF+Ni:K62GFURSnmx15PkBp/FOuj8v46HL3kuS

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\.resources	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\resources_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\resources_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\resources_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\.resources\ = "resources_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\resources_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\resources_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000_CLASSES\resources_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1624	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1624	AcroRd32.exe
1624	AcroRd32.exe
1624	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 2964	2816	cmd.exe	29
PID 2816 wrote to memory of 2964	2816	cmd.exe	29
PID 2816 wrote to memory of 2964	2816	cmd.exe	29
PID 2964 wrote to memory of 1624	2964	rundll32.exe	30
PID 2964 wrote to memory of 1624	2964	rundll32.exe	30
PID 2964 wrote to memory of 1624	2964	rundll32.exe	30
PID 2964 wrote to memory of 1624	2964	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Venom5-HVNC-Rat\VenomRAT_HVNC\Resources\HVNC.FrmBuilder.resources
1⤵
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Venom5-HVNC-Rat\VenomRAT_HVNC\Resources\HVNC.FrmBuilder.resources
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2964
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Venom5-HVNC-Rat\VenomRAT_HVNC\Resources\HVNC.FrmBuilder.resources"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
a3e92b35687fcdc83eb58bab2952ef5a

SHA1
2dc21f00d6defbca3c0d2b2795e4108f4205c8f9

SHA256
6800db6e6a065b1cd912f00e09144a78012346acca5c5156bad5c380c9da2166

SHA512
4adeaedf5304191d7a4f6636fe059682645decdf213ee8ffadd2625da35dd998eb3ae52f44ffe159a6f819dc087280a05799ad5c8797a8076629d08153285e7e

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