d30e33e5f4ec42d96e1641697f3141fcd7f1f8fe8db9301fc72b540ba789f082

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20-04-2024 00:50

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General

Target

Voicemod V2.48/data3.bin
Size

56.1MB
MD5

6f3cc2385b3676dc93a6788ad5ae5501
SHA1

ac0713d2e62dbc2a93fd6fdfa3dce01f0d4a8207
SHA256

c96e6820bdd60531c12b787bf775ec0ea83d5b6f9074b600591082fe9d708ff5
SHA512

a143c832d8148dc8f8e379db9bb2c8b2aa870e5ac60dcedbabc6e447ef8ea628e2ccb79e11a778768405c1996606460a1fd7b666b768dd17bf8d6b85150eefc3
SSDEEP

1572864:EplSZtRPP0Sq0HxvPnXoJW5fo/k+dcvGf+YFMRJ:EbSLRnzq0RvPXoJcos+dcORML

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

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\bin_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.bin	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\bin_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\bin_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\bin_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\bin_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.bin\ = "bin_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\bin_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2628 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2628 AcroRd32.exe
2628 AcroRd32.exe

pid	process
2628	AcroRd32.exe

pid	process
2628	AcroRd32.exe
2628	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2960 wrote to memory of 2288	2960	cmd.exe	rundll32.exe
PID 2960 wrote to memory of 2288	2960	cmd.exe	rundll32.exe
PID 2960 wrote to memory of 2288	2960	cmd.exe	rundll32.exe
PID 2288 wrote to memory of 2628	2288	rundll32.exe	AcroRd32.exe
PID 2288 wrote to memory of 2628	2288	rundll32.exe	AcroRd32.exe
PID 2288 wrote to memory of 2628	2288	rundll32.exe	AcroRd32.exe
PID 2288 wrote to memory of 2628	2288	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Voicemod V2.48\data3.bin"
1⤵
- Suspicious use of WriteProcessMemory
PID:2960

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Voicemod V2.48\data3.bin
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2288

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\Voicemod V2.48\data3.bin"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2628

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Filesize
3KB

MD5
b2c487536a1d059f3485ed5a02288a0a

SHA1
cfcd5b4cd6d1c95bde3a46fd4023fa9bcb9ffc25

SHA256
fa794f98f133d906d5af62b090f8d4a5b588d0dea4db54cc59254423b520b02b

SHA512
5dc2553610e5250de8f7c228e6d7eba766c3af8828e8684781c35cd8f2d76bdcb9fb1aeb416dc31a4dc7b3e75c352b2eb979e36f189a9b41d270ffb1bb633edd

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