3a15890bedd42d2f1212ace0369dce19f30f85ac65faf3f094933b3be7a6372b

Resubmissions

24/06/2024, 08:15

240624-j5zm4asera 10

10/06/2024, 16:22

240610-tvfscatcnn 10

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
24/06/2024, 08:15

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General

Target

??/output_86.bin
Size

2KB
MD5

afd7b0a2c088191a757d7c2eda73628b
SHA1

21f55b70f07322f5c05dec1f1578db697187e3bc
SHA256

1686c1823ff14386392ace11a0d190b693e945224ab02219f76b16c523d47b13
SHA512

aee4a308938ed8c487b7ba24ac278aebcc0c628efbbad5f2c9724ab4c2c809bcbc95456b20999bdaaa6d0b1920aa2298f29b76d3d958f5939bf3b7f6ad411a2a

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\.bin\ = "bin_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\bin_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\bin_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\bin_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_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-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\bin_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\bin_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\.bin	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2876	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2876	AcroRd32.exe
2876	AcroRd32.exe
2876	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 2816	3056	cmd.exe	29
PID 3056 wrote to memory of 2816	3056	cmd.exe	29
PID 3056 wrote to memory of 2816	3056	cmd.exe	29
PID 2816 wrote to memory of 2876	2816	rundll32.exe	30
PID 2816 wrote to memory of 2876	2816	rundll32.exe	30
PID 2816 wrote to memory of 2876	2816	rundll32.exe	30
PID 2816 wrote to memory of 2876	2816	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\__\output_86.bin
1⤵
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\__\output_86.bin
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2816
- - 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\__\output_86.bin"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2876

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
87aa5d64a22406a3aad56bdf59a41d16

SHA1
9cb7f9a0036b6569ccfb9e401b314e3f827ff80e

SHA256
af43d59bc73b50f62457ab56da875172e1d7825e49e846573966943033416793

SHA512
a8bc692c2aaa98480a5b099a10967a98c30542cfb10b403fbbcb6acde702757b609c9d37449023833e152a470db7f307826e01bbe869ddb9d323e00dd0cf0b0d

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