c5fd5691f4eec136f0bdbfbc3f84c0f70cb0b39d03ea4402eace25b90a699c82

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-09-2024 14:31

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General

Target

locales/ca.pak
Size

101KB
MD5

5722ad401412745df990eb664554a916
SHA1

1a2d3a778182c38ef0763866b23e1395689b8e40
SHA256

93f1feadeb46fc05aa43d8f1b0368e5c57a3eec334187a96a730d7958c6fa9cd
SHA512

33ff128b6477da4249db01fcf932c4c0fb4de9ae25d9644a79736e44013d3ae8b20553794ad20be910a6e51077e49301861c9a6de46b78e4cdbfbb4e897f25bc
SSDEEP

3072:5BPsDbcgrI540ZL8lK+O5ajagEScU5hh8XK710bzRh4Rp9nAkpxlCFtdRP3BCill:5WbcgxO5aFEScU5hh8XK50naDnAkpxlu

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-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2796	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2796	AcroRd32.exe
2796	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2380	2168	cmd.exe	31
PID 2168 wrote to memory of 2380	2168	cmd.exe	31
PID 2168 wrote to memory of 2380	2168	cmd.exe	31
PID 2380 wrote to memory of 2796	2380	rundll32.exe	32
PID 2380 wrote to memory of 2796	2380	rundll32.exe	32
PID 2380 wrote to memory of 2796	2380	rundll32.exe	32
PID 2380 wrote to memory of 2796	2380	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\ca.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\ca.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2380
- - 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\locales\ca.pak"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2796

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
9f0d4c68754245cb1c15c065f34e5329

SHA1
648a8c2be4846d9df3d0302cc272b86703d8c5c9

SHA256
8a2b558d0ebcc28523700f352b37dbc425b1e5bd7b23f91bb4effd6dae8f2df7

SHA512
f62e3759b0d23129121228425d539ee3d338cfb151fbb7f8f097351d281cdcd3ebaf3c20a13089079cf008f7cbcfddad3ca1d7408b8172a39faa6e43a8b1effa

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