03c83b3f458226a90a644b6894608c3d46c59cda2e62fd8654a7bfb1af241d36

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-09-2024 07:24

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General

Target

New folder (5)/Loader/key_format/KeyBINDS.cdn
Size

880B
MD5

3eac8cddf55223d12c4631d1995ab98d
SHA1

c6d2acde556f74d55db441b66b6af6a895f5ecf9
SHA256

0734aad97c0e42f46db7052797944e08813b61e7251fe43300f05aba5febe9eb
SHA512

f05a1c70b0ec532587b59f942d6eca5b989f1f88012636b53e817a52eff4fce85fc7da1479accdb5a8fed71301508289eb18840f8030682e177e15f3546324c9

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\cdn_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\cdn_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\.cdn	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\.cdn\ = "cdn_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\cdn_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\cdn_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\cdn_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\cdn_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2572	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2572	AcroRd32.exe
2572	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2868	2400	cmd.exe	31
PID 2400 wrote to memory of 2868	2400	cmd.exe	31
PID 2400 wrote to memory of 2868	2400	cmd.exe	31
PID 2868 wrote to memory of 2572	2868	rundll32.exe	32
PID 2868 wrote to memory of 2572	2868	rundll32.exe	32
PID 2868 wrote to memory of 2572	2868	rundll32.exe	32
PID 2868 wrote to memory of 2572	2868	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\New folder (5)\Loader\key_format\KeyBINDS.cdn"
1⤵
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\New folder (5)\Loader\key_format\KeyBINDS.cdn
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2868
- - 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\New folder (5)\Loader\key_format\KeyBINDS.cdn"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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
f764e7f345557154fc9533b22e98c206

SHA1
a7b398ffa1b3f76f058b77a968469234176ebb38

SHA256
00f6ea6ee6e58f9ddf01c0338521656b9e15900328c964de904736971e0e0aab

SHA512
bd72c89f322f795a71a3ff50933ac03cd4a0c288599c680b19659dba1c52537800da598ec89c8d52398e745c2c30894c5794e000185edee824663a25497ad57d

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