437c8032e578d678d10379c25af38953c41821103fb2d7d25f6a229fdd2bec10

Analysis

max time kernel
150s
max time network
33s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
13-02-2023 22:51

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General

Target

Borrador/Language/Hungarian.lng
Size

7KB
MD5

65f6e74b7c0ca1c64bd9c32bb8531fff
SHA1

6bc2c9205182fd4c5d25cbe2ef5ed7131356525f
SHA256

33ba3481f4dd39aaa847e41ea777e30395a5606373abc511106e67cc51d0617c
SHA512

04ae37bfc41f35b1974fb5f8bbb5e523a0b1e1a1f6ecefcd37238a374567f15c24cbcddb78aed649c7cf3687177ca038c1bc2daa819bf1b0d80c6f4e013b5d7a
SSDEEP

96:rRk32hDqRwD/Sa9VaVY+0ne63oMJpmTyOrhq5Zf6J9U/bM7BdGy6LmpcFjFtGNFz:dU8qRwD/SaHdiiYU/bwSJFjFENPs28JA

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\lng_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\lng_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\lng_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\.lng	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\.lng\ = "lng_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\lng_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\lng_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\lng_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
992	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
992	AcroRd32.exe
992	AcroRd32.exe
992	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 1496	1744	cmd.exe	29
PID 1744 wrote to memory of 1496	1744	cmd.exe	29
PID 1744 wrote to memory of 1496	1744	cmd.exe	29
PID 1496 wrote to memory of 992	1496	rundll32.exe	30
PID 1496 wrote to memory of 992	1496	rundll32.exe	30
PID 1496 wrote to memory of 992	1496	rundll32.exe	30
PID 1496 wrote to memory of 992	1496	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Borrador\Language\Hungarian.lng
1⤵
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Borrador\Language\Hungarian.lng
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1496
- - 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\Borrador\Language\Hungarian.lng"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:992

Network

MITRE ATT&CK Enterprise v6

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

memory/992-81-0x0000000000000000-mapping.dmp

Download
memory/992-82-0x0000000076531000-0x0000000076533000-memory.dmp

Filesize
8KB

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memory/1496-76-0x0000000000000000-mapping.dmp

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memory/1744-54-0x000007FEFC071000-0x000007FEFC073000-memory.dmp

Filesize
8KB

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