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
119s
max time network
128s
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

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

locales/am.pak
Size

531KB
MD5

e8bac983607c5432f789afdacdda42ac
SHA1

95c26f47f7102be338263fd7f7e365632651f22e
SHA256

ee363b88697a26d486c77bbf05f5f7f62d4b40c235e1d85e11448083070576f7
SHA512

5e26f40c8dc088d21b9b6a01041ece3bd4b2899ee33fdd85be995545c7a24860fdc9c672da8c9345a08891e0bac04ccf4d65de543f4cfba0bab0ae3fb32354c7
SSDEEP

12288:GguzxX8xfzKsEYg95z9SBeuUPQvx30jH8+I:GX8xfzKnYg95z9SBoPQr

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-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_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
2816	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2816	AcroRd32.exe
2816	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2912 wrote to memory of 2956	2912	cmd.exe	29
PID 2912 wrote to memory of 2956	2912	cmd.exe	29
PID 2912 wrote to memory of 2956	2912	cmd.exe	29
PID 2956 wrote to memory of 2816	2956	rundll32.exe	30
PID 2956 wrote to memory of 2816	2956	rundll32.exe	30
PID 2956 wrote to memory of 2816	2956	rundll32.exe	30
PID 2956 wrote to memory of 2816	2956	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\am.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2912
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\am.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2956
- - 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\am.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2816

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

Loading Replay Monitor...

Downloads

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

Filesize
3KB

MD5
5297a113a6bb8cf6de0e9e5c2ca13845

SHA1
8c73b55b3f0042046b4ecfcee5a9631df12e0688

SHA256
cd065d83454abffb895af995342c39ac078cfba77969d72f1b060325318ba46c

SHA512
dbc65abb2458ebdd75c7c1af89c5f5952b42a2ee0175836d1d1b3439fdcfbac1772313e3b29881af7b3efab9d7843601bf58c757117657c0323db1cb56d248a0

Download Submit