4cc3e1a474bb32f8f766598c76359a8a2c5da0ce3ae0b3ea544c61b435df1c95

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/09/2024, 05:26

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General

Target

entities/bow_arrow_5.behavior.json
Size

2KB
MD5

5114ef414627c677ca9c8db029887591
SHA1

17e547a8daf4ac286fc0bc7ff543fa61d3e48a51
SHA256

a94e8f369e02950a77e83f495e3d71bd899ee24d7e5b42318caf8fd38bb30d44
SHA512

5f3f311abb668f5607d420d5ad5460a15cc265b6c43823b971994c057ecc2ed3d0dae180d18d5c5b3b5d428b86aacd7e80d3a6796a4cfed1b34b24975498465b

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-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\json_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\.json	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1412	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1412	AcroRd32.exe
1412	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 2628	2964	cmd.exe	31
PID 2964 wrote to memory of 2628	2964	cmd.exe	31
PID 2964 wrote to memory of 2628	2964	cmd.exe	31
PID 2628 wrote to memory of 1412	2628	rundll32.exe	32
PID 2628 wrote to memory of 1412	2628	rundll32.exe	32
PID 2628 wrote to memory of 1412	2628	rundll32.exe	32
PID 2628 wrote to memory of 1412	2628	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\entities\bow_arrow_5.behavior.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2964
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\entities\bow_arrow_5.behavior.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2628
- - 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\entities\bow_arrow_5.behavior.json"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1412

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
789eae5186d3a7ce29e4b877b20c2d41

SHA1
7eef6da88eb8b8648f78a424f44fb7ce00448b57

SHA256
6bedb269e250f8570c6912550574472ac3738b84920eaea448fa2239d022a154

SHA512
e837bfcacbd70f49672186c4498f0e24991fe25fa030b315477f6e0cef2ab4616125f798402fb0cbed2a666b5cc403c16e80792e7805f898c4866027be58845c

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