79907648beb01a39a141640961cf63f203e57b4c8207a242c4179a72d02354b1

Resubmissions

11/08/2024, 07:57

240811-jtlxvs1fkq 9

11/08/2024, 07:53

240811-jree1a1enm 7

11/08/2024, 07:49

240811-jnwvwa1dnj 7

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
11/08/2024, 07:49

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General

Target

Solara/Monaco/fileaccess/node_modules/bytes/package.json
Size

959B
MD5

5e3137feec27c5d88693e0cb2ff95d3c
SHA1

d8fe3e70eb4ecf4bf58385e4b27f89b7ce656a28
SHA256

99b21c09ce812dc76a06cd87c4753247cb9615c6a8501c5a5a9d9caa22ea2d12
SHA512

4b4d89317e1a1caae6924f234b75e15bd2f8bd026d316152e6cf3ffac53553bea2995076a8a365f26a96730f36170d115ac35aae6d0888f621f536d795b89a2d

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-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_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-1-5-21-3294248377-1418901787-4083263181-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2392	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2392	AcroRd32.exe
2392	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 2264	2460	cmd.exe	31
PID 2460 wrote to memory of 2264	2460	cmd.exe	31
PID 2460 wrote to memory of 2264	2460	cmd.exe	31
PID 2264 wrote to memory of 2392	2264	rundll32.exe	32
PID 2264 wrote to memory of 2392	2264	rundll32.exe	32
PID 2264 wrote to memory of 2392	2264	rundll32.exe	32
PID 2264 wrote to memory of 2392	2264	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Solara\Monaco\fileaccess\node_modules\bytes\package.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Solara\Monaco\fileaccess\node_modules\bytes\package.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2264
- - 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\Solara\Monaco\fileaccess\node_modules\bytes\package.json"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2392

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
90633c60037488d373d51275dcbf9d8c

SHA1
3f77fcf67f796d8898a47e2dd8f3e5ff594e0f73

SHA256
86f72a0585457509ffb7c2fe9f2c9886487bd4a4175d152d0737f6fe6132eeb8

SHA512
c7e46e107c401ff43fcfcde318dc11200a1f13668880dc5e73c0f7314a64d8fdf184c15d6401fdf52be6f1db0ed87753ff2b7c2e67a81a94e85e7177cccb30c0

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