565e3abc2f08e6231bb981c366fccfe42796b6ff530bdc66d1aaa5f7e23b05f0

Analysis

max time kernel
153s
max time network
127s
platform
windows7_x64
resource
win7-20231025-en
resource tags

arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
submitted
11/11/2023, 22:22

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General

Target

Expensive-2.0/natives/OpenAL32.dll.git
Size

40B
MD5

aab7d521c776b290c5eb725832d0c2b5
SHA1

711ed36fce3edf284d01c0657f0cd56154cd1fb3
SHA256

6369f0eb7ede17f649b06cf6b34bd8a1e5a44edb69e93c975aada2adc683a4dc
SHA512

54b10d77df099c1a0e36e43a4bc87d6d206ea1bec345385d3d38b8cea8df9cb98a168bc95b1ca3fd03afd4584149858f3bc15e1337bdcdb4a6f0bfdbc5aedec7

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-1-5-21-1861898231-3446828954-4278112889-1000_CLASSES\git_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000_CLASSES\.git	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000_CLASSES\git_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000_CLASSES\.git\ = "git_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000_CLASSES\git_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000_CLASSES\git_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000_CLASSES\git_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000_CLASSES\git_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
2780	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2780	AcroRd32.exe
2780	AcroRd32.exe
2780	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 2724	2096	cmd.exe	29
PID 2096 wrote to memory of 2724	2096	cmd.exe	29
PID 2096 wrote to memory of 2724	2096	cmd.exe	29
PID 2724 wrote to memory of 2780	2724	rundll32.exe	30
PID 2724 wrote to memory of 2780	2724	rundll32.exe	30
PID 2724 wrote to memory of 2780	2724	rundll32.exe	30
PID 2724 wrote to memory of 2780	2724	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Expensive-2.0\natives\OpenAL32.dll.git
1⤵
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Expensive-2.0\natives\OpenAL32.dll.git
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2724
- - 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\Expensive-2.0\natives\OpenAL32.dll.git"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2780

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
e1a6a8e767ffb2cf18de6680c1ec616d

SHA1
ddaa42a6c682f28e0773bf03076f1e9d31d768dc

SHA256
61380de4d6582235a82ff2aadb8456834984487f311ed7f31eb0b66321b49967

SHA512
a1a3e9c12fdaceea04064121d29ca2648c636743ad7aeb97d4324a79ee5590c8c234d62461f1b81e63904692f08a9fefe4f0b472a0816deaa3876fafba6d52ea

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