48602a57904e3125fb42f5f7c3de1542735aed83562cdfe613fa394d788e32bc

Analysis

max time kernel
117s
max time network
123s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
04/06/2024, 23:23

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General

Target

locales/th.pak
Size

792KB
MD5

293ad7c20c22d744e4db0fb001ec45bb
SHA1

486c9e0732306a45aceb633da2b3ded281197620
SHA256

d67d68f24d3347e244a7e8c3b63d47f18fcf37258256f48dad785cf98bb560fa
SHA512

ac2b2dd82095925b3229958e89dcf5283bdce0273734a0c338f5a1aa8b014644806ca517f0fc2003669910e58fedf9c2ca7a009fa3f53d58c07bc5e9191f2e2f
SSDEEP

12288:z0O3mMkgs3s5UW4HLRflsjj8sKGs1loIG0EeuLADh7Kle9dPu753ohP09XAyFHyW:Y69K5V5q

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-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pak	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pak_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_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-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2836	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2836	AcroRd32.exe
2836	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 2792	2896	cmd.exe	29
PID 2896 wrote to memory of 2792	2896	cmd.exe	29
PID 2896 wrote to memory of 2792	2896	cmd.exe	29
PID 2792 wrote to memory of 2836	2792	rundll32.exe	30
PID 2792 wrote to memory of 2836	2792	rundll32.exe	30
PID 2792 wrote to memory of 2836	2792	rundll32.exe	30
PID 2792 wrote to memory of 2836	2792	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:2896
- 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:2792
- - 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:2836

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
c80d480a5a88cf8642e033f6877846e5

SHA1
a275a8cd09b6e2b2bf57118debfe337f15424eb8

SHA256
ebc59c6a368878dd8d05fd26dbc8965feeff5442b9e0bd0ab492eac0322f2b01

SHA512
b13ab0504d28d06bf85431dbf2e41c72f3f8e22f89730ead2f231fa69b2b0fa0c20357539a9d6127c105f3eea7e66734f04ece269a1e8d9d32666ebd49289993

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