b52ffd3f22e5be9aa787b97534dfb5fe3de41d52c350691c43082c26f2838d00

Analysis

max time kernel
103s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14-09-2024 22:41

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General

Target

EXA/.reloc
Size

12B
MD5

1da4e317f7e505d237fb84ac000cd339
SHA1

2829ec054243f74e95b025d00f7f3b8cd35fa2c5
SHA256

e429593bd668cc36bf312e77cc4efaf63233e632d9c7e4ea3b928500a551b1e7
SHA512

6b721496efb52bf32a33db14dac5ee01e0b04e3b85a1aee693c872d007f1b803d353a40234a3470e69d2dda4de1c39d065ab451afff6af8cdc976e16f4e1efc8

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
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\.reloc\ = "reloc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\reloc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\reloc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\reloc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\reloc_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
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\reloc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\reloc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\.reloc	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2872	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2872	AcroRd32.exe
2872	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 1492	2436	cmd.exe	30
PID 2436 wrote to memory of 1492	2436	cmd.exe	30
PID 2436 wrote to memory of 1492	2436	cmd.exe	30
PID 1492 wrote to memory of 2872	1492	rundll32.exe	31
PID 1492 wrote to memory of 2872	1492	rundll32.exe	31
PID 1492 wrote to memory of 2872	1492	rundll32.exe	31
PID 1492 wrote to memory of 2872	1492	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\EXA\.reloc
1⤵
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\EXA\.reloc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1492
- - 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\EXA\.reloc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2872

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
274e9626857f6768ee1cce2b5fa700ac

SHA1
645f289844024a8a95d7ddf0e088dfa11c9eb601

SHA256
1561be0865577b57293ca309268ddb6ae4cf9b794fb738584023b4ff61155922

SHA512
98a4d8c8aabc36679ae58a6dc74a79f4acf772eae51e0bb3924d3345eb03eb5c663a36d8861fc9b08a728c202e03dc84bd4b67eae8c13baf978aca2da70d1d17

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