18ce929380ab15f9e9d23d156ff3cff56b94e33641a40379f57e7adc91130c3f

Resubmissions

09/04/2024, 22:11

240409-131wtaea38 8

09/04/2024, 21:43

09/04/2024, 21:18

06/04/2024, 10:55

06/04/2024, 10:41

Analysis

max time kernel
122s
max time network
137s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06/04/2024, 10:55

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General

Target

locales/cs.pak
Size

377KB
MD5

3e2c49143f4718ddd9c1c74f8599fac2
SHA1

7cce45de66a3895c3493b998fef7bedf045b29e2
SHA256

08e40f5efc616cdc0588fb4b1a706d997c69d17ddaf97eb91a4aabafaa11cee6
SHA512

a849ca0d09e0d4c025d9de6c8008c13e13581961c321f53a552deeaa210db891914386fd51673615aec8b5d8d68a921a968db5d0fe447963892ceb0948861e3d
SSDEEP

6144:QhKH/gwYPl/XACAjRe15q8+Y1zAXn5q8QM:9fgdPl/Q3e15q8+Y1AXnF

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-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\.pak	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_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-1-5-21-2461186416-2307104501-1787948496-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2968	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2968	AcroRd32.exe
2968	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 2564	2056	cmd.exe	29
PID 2056 wrote to memory of 2564	2056	cmd.exe	29
PID 2056 wrote to memory of 2564	2056	cmd.exe	29
PID 2564 wrote to memory of 2968	2564	rundll32.exe	30
PID 2564 wrote to memory of 2968	2564	rundll32.exe	30
PID 2564 wrote to memory of 2968	2564	rundll32.exe	30
PID 2564 wrote to memory of 2968	2564	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\cs.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\cs.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2564
- - 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\cs.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2968

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
bb9bc87c03ee146e33da360665e4cb78

SHA1
82d9fc5ad429930c31fd11b2f98e5b94cc67c5f0

SHA256
255a18602abd28fa8527e0a39c96713689eb8777eebc012cf42c1dde4915d877

SHA512
1db5c043dafee6520d2f254f33c9ca3213ed58f66dd5770d1390ef561877c40d00bc305f2b6f874fef085290c51f7ae705de6c61deda9f700f487214b91b39f6

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