722944284358b6e0b07d91524f7defd19b8cae3246c4e812147575432baf2afc

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
07/08/2024, 15:00

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General

Target

workspace/4483381587.rbxlx
Size

123KB
MD5

cf2569d11765a4b9f80950fad360b059
SHA1

3f880661d1997218f99dc83bbea98b2a6fd550ff
SHA256

96533399c8c8a60a6b083cc4310175009b2c51193d93e2e78563526cc00369e4
SHA512

280ce7e125498309cbc6dae546ce61f9a40745108779987e20c795c47eaea7deab37e73b9345854462d3c8ae3edf0e5fe9904fecec2028f68ad0024e9dfe6e97
SSDEEP

192:fIdAHP9VLMP838hQy4ioBU4mW7Kc+KcJKBmW7Kc+KcJK5mW7Kc+KcJKfmW7Kc+Kv:wdAHPfLMPauQyQBU+s0

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-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\rbxlx_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\.rbxlx	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\rbxlx_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\rbxlx_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\.rbxlx\ = "rbxlx_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\rbxlx_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\rbxlx_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-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\rbxlx_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2788	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2788	AcroRd32.exe
2788	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2952 wrote to memory of 2964	2952	cmd.exe	32
PID 2952 wrote to memory of 2964	2952	cmd.exe	32
PID 2952 wrote to memory of 2964	2952	cmd.exe	32
PID 2964 wrote to memory of 2788	2964	rundll32.exe	33
PID 2964 wrote to memory of 2788	2964	rundll32.exe	33
PID 2964 wrote to memory of 2788	2964	rundll32.exe	33
PID 2964 wrote to memory of 2788	2964	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\workspace\4483381587.rbxlx
1⤵
- Suspicious use of WriteProcessMemory
PID:2952
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\workspace\4483381587.rbxlx
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2964
- - 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\workspace\4483381587.rbxlx"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2788

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
780618bb74f480e4ff762d60b30d4488

SHA1
f5644b7ae1ba55c4211d8c3c92c4813e2136137e

SHA256
eda19cdbb2315b960721643ecebd45add63d2082f42ff62ab8d22e5c80fbc3b6

SHA512
40037001562821bdaceb63a862dbb662651490d7f605aaa1b4f503cfffd6ab7c9c4e65aa152a16d8df0488813d94c7c1ae96c1221930fcf9e191ba17d59f6240

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