e5b98f79e84d434b44fe4dab6b0e7823772d32744249a8fb9fb2288d0b354b21

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20231201-en
resource tags

arch:x64arch:x86image:win7-20231201-enlocale:en-usos:windows7-x64system
submitted
07-12-2023 16:09

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General

Target

PS2 Bios 30004R V6 Pal.nvm
Size

1024B
MD5

ea592129bf0c9189cafe772657261148
SHA1

6d70031a3a931fb6770eefef0f306b9771677077
SHA256

07f8ae1241e9eaa13a90503f5e465fd63ebc771e8e94306a68b725abf66d8301
SHA512

539e3d60f046e578b8878aec85015fd790ebf481d9256041de926c2e483f1e7221ba060a2c0dde903c3a7de6eb9989fb0110c704f7b52c328f859862f0215bbd

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-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\nvm_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\nvm_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\nvm_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\nvm_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\.nvm	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\.nvm\ = "nvm_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\nvm_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\nvm_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1908	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1908	AcroRd32.exe
1908	AcroRd32.exe
1908	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 2652	2088	cmd.exe	29
PID 2088 wrote to memory of 2652	2088	cmd.exe	29
PID 2088 wrote to memory of 2652	2088	cmd.exe	29
PID 2652 wrote to memory of 1908	2652	rundll32.exe	30
PID 2652 wrote to memory of 1908	2652	rundll32.exe	30
PID 2652 wrote to memory of 1908	2652	rundll32.exe	30
PID 2652 wrote to memory of 1908	2652	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\PS2 Bios 30004R V6 Pal.nvm"
1⤵
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\PS2 Bios 30004R V6 Pal.nvm
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2652
- - 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\PS2 Bios 30004R V6 Pal.nvm"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1908

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

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Downloads

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

Filesize
3KB

MD5
b535e62b8635fb630f370c1b2acad88f

SHA1
631596c66a00ff3cab3533e6967ddbeb141b4c11

SHA256
35e06f3761013294584d56d3bea6bfddb5b07b930a2f2577ee21ffffeaf54f58

SHA512
81e3aa5064dbed468f67ac940282963c1e5e32eca6499c369c739e6c9eacc27abdb02ff785368a60f405a3a81855ef9cdbd2703dec2c1c9e13f2588216c1fc8e

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