52a46e8d079ea9ed900f3784ded4406c3819e6e479ad7d5cac10073bb0fece31

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
21/04/2024, 06:16

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General

Target

I18n/pt_PT/strings.mo
Size

27KB
MD5

305ddec6a79c570df6149e6c5c358c6e
SHA1

e0669b8eeffa767d0b7ea367d39abae5c2f6eb95
SHA256

507189ebf2323871f6c782ace6221580bb06935cd52df5e8c8f02e3e6db64932
SHA512

f4b614460b6aad4ad6f41a60eb94de9ce36f447267f9d38c16de6e34e61c0ce2a516a9d9791d528457fd18bd68c6d1c8aa91ce14d5dc14bec6253a50938c3f53
SSDEEP

384:3rJ45i7jzOZWtVRIfhJcywlA3xuh6H+3w+0R+ciujc3Qu3kyschGMsiKbUWauBMC:bJtjq0Foxuh6e3308ci7vZG4aTmy

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\mo_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.mo	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.mo\ = "mo_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\mo_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\mo_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\mo_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\mo_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\mo_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2724	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2724	AcroRd32.exe
2724	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 2536	1920	cmd.exe	29
PID 1920 wrote to memory of 2536	1920	cmd.exe	29
PID 1920 wrote to memory of 2536	1920	cmd.exe	29
PID 2536 wrote to memory of 2724	2536	rundll32.exe	30
PID 2536 wrote to memory of 2724	2536	rundll32.exe	30
PID 2536 wrote to memory of 2724	2536	rundll32.exe	30
PID 2536 wrote to memory of 2724	2536	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\I18n\pt_PT\strings.mo
1⤵
- Suspicious use of WriteProcessMemory
PID:1920
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\I18n\pt_PT\strings.mo
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2536
- - 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\I18n\pt_PT\strings.mo"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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
23116c5bd7b318c6b1d9c6f7cbff4b60

SHA1
6e67d28578b17eec71cb6abab0c4b5985961f55a

SHA256
1dd181c5d3f0456d512b98863482dcd726bae77149af08a01af8483dcf76e45a

SHA512
5952573739d3890de5587def656cf256045944155c46f2734868696a66b9ddfe86005bba9c00c37aba7791c951272be650b3c58ed5d96263b95d6942ef06faba

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