12c8a9ab93649f8c75399b6b96f4c54e7454cd0eaa25090dc53c223788c85222

Analysis

max time kernel
119s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-09-2024 12:21

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General

Target

bin/dropdown.cfg
Size

174B
MD5

a299260259d7f5f5d95124fcca933260
SHA1

906da5c2514fd6e6e466b8af770c1e26f8782faa
SHA256

de3475c3315a6fabe07f1e37e5ac8c8007edab946c72f96ed33630fa8ecd751f
SHA512

404df0c27d5bc824448579b4e2046b0af935f4029989f530511839a7269119304598c3c59aae2b4b47c2b5e944ec4185e19e1bf9fdae63e240ab0339d14a9dc8

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-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\.cfg	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\cfg_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\cfg_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\cfg_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\cfg_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\cfg_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\cfg_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000_CLASSES\.cfg\ = "cfg_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2808	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2808	AcroRd32.exe
2808	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 2324	2880	cmd.exe	31
PID 2880 wrote to memory of 2324	2880	cmd.exe	31
PID 2880 wrote to memory of 2324	2880	cmd.exe	31
PID 2324 wrote to memory of 2808	2324	rundll32.exe	32
PID 2324 wrote to memory of 2808	2324	rundll32.exe	32
PID 2324 wrote to memory of 2808	2324	rundll32.exe	32
PID 2324 wrote to memory of 2808	2324	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\bin\dropdown.cfg
1⤵
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\bin\dropdown.cfg
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2324
- - 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\bin\dropdown.cfg"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2808

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
5882d8d4573c24cc36411173fba721bf

SHA1
67715f9554457410c304aeb26b4b8a14f7f72da1

SHA256
0f6212f3a208af85eab0816dcaa7aa235c79974300cfd08a7cc357f99b3631d8

SHA512
5a130156dd28209d65179f358f47affe343b26cd9ecccd7f5f6775668ca96fe383596a3efce637c2ef8bd87e2b8831a7788cc29cf77a0af6dc41e5329613a593

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