3ea350fa6916e36ba67a8a17a347bb89ab2567120eb9af4cf6648c1809711274

Analysis

max time kernel
1202s
max time network
1220s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
20/07/2023, 05:12

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General

Target

1d81c09d8249410587ae.zipak
Size

276B
MD5

3637da514a1b76706908117378e7b824
SHA1

8c4bd46c8462a8aba45e3ead6ccc8fc542838078
SHA256

480da8c06361793761b804f371c7e1aff4e296af026cc2839b213900d3dfd806
SHA512

3bbaecc30680b4bdbc9fb41203a8505aba0b652a2e7bae9cc66d4419661d130ac74e7dda13ac331182674762fe63a89c0e8f190220f1f1bc3089d1820dce490c

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-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\zipak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\zipak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\zipak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\zipak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\zipak_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\.zipak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\.zipak\ = "zipak_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\zipak_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
2856	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2856	AcroRd32.exe
2856	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 2444	1732	cmd.exe	31
PID 1732 wrote to memory of 2444	1732	cmd.exe	31
PID 1732 wrote to memory of 2444	1732	cmd.exe	31
PID 2444 wrote to memory of 2856	2444	rundll32.exe	32
PID 2444 wrote to memory of 2856	2444	rundll32.exe	32
PID 2444 wrote to memory of 2856	2444	rundll32.exe	32
PID 2444 wrote to memory of 2856	2444	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\1d81c09d8249410587ae.zipak
1⤵
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\1d81c09d8249410587ae.zipak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2444
- - 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\1d81c09d8249410587ae.zipak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2856

Network

MITRE ATT&CK Enterprise v6

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
0fbf0ebde47b10579d293b50501eaefd

SHA1
a8c2078cc26354e181a76b3dd1a8b1cce0c55500

SHA256
6ae1f6d9a2c5f6907eea35146b4be5be8a33279e3304f9445b7a2c5f5ab3ecd9

SHA512
3d7d4009e33a4ec01f390c79ebd2b4ef3286d32bbbb397038ca8b42e031b0619c7103eaf6709a2cde93d2c94e6c01ffe08e9fe16ae5ef87b36273adf40491380

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