eb8afbda006962da47bf99f5ecc2d73ae2d51f293965ae4ad637acbf55108645

Analysis

max time kernel
122s
max time network
132s
platform
windows7_x64
resource
win7-20240220-de
resource tags

arch:x64arch:x86image:win7-20240220-delocale:de-deos:windows7-x64systemwindows
submitted
13/06/2024, 10:49

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General

Target

locales/th.pak
Size

731KB
MD5

a970b7e9d3aec2cd1b8ab798b3179f07
SHA1

bf17a7e80e01ac1704a1efdf27baf271b4c21e36
SHA256

cd80bf232f2f128a3d411f52c8039987559dbc1055f746eed6e0e8478b116dc1
SHA512

880555a2ac2f278aecb8794d8cc51f0833052e9f4ca187ed91fa35bb475e68ae3255cfe1dc074eac960c73c203e62c6b38077b266f5fab66ccc3ca73e94d4d60
SSDEEP

12288:EwLc31Mkgs3s5UvfcLRfl1mj83v6DoTGjyeuLAD57Kle9dwn7j9Fv3o09XAyFH1p:EExSK5h5N

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-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pak_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pak_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
2464	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2464	AcroRd32.exe
2464	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 2724	2892	cmd.exe	29
PID 2892 wrote to memory of 2724	2892	cmd.exe	29
PID 2892 wrote to memory of 2724	2892	cmd.exe	29
PID 2724 wrote to memory of 2464	2724	rundll32.exe	30
PID 2724 wrote to memory of 2464	2724	rundll32.exe	30
PID 2724 wrote to memory of 2464	2724	rundll32.exe	30
PID 2724 wrote to memory of 2464	2724	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\th.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2892
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\th.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2724
- - 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\th.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2464

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
c55203357b05c26c7c549811d4e7edec

SHA1
c88f197b14123ebf0d9418040efd8e8a0f14ba49

SHA256
0e16f565f711897a19ba7413b3bd5a137ff3741414a731b90b8731ee3df182a4

SHA512
750aa3c101642671a1266896155e49b22317ed39475470138c5c6eb3172e32ed2afd88eb5b4f880a91f79b89f2167752e908f3f7ee9bc19c11724ff8ee782672

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