30091faafd62ea7ba9868db2ee575dab98fd126a78d39590f57ea7b38b20d966

Resubmissions

21-09-2024 02:25

240921-cwhvna1bmc 10

20-09-2024 21:59

240920-1wjzqa1amp 10

Analysis

max time kernel
357s
max time network
363s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-09-2024 02:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

locales/bn.pak
Size

1.1MB
MD5

d179d38e8b9f7e60a943e2fc9f9471ad
SHA1

8d109081959d194c82b89fb25a514a65233435a7
SHA256

a45279ccc13390e0d93cfe1e33a7f276a5d9e97f6aefa6b6e14ecc4289703bda
SHA512

fa6f3e45f40e1e48f191e4a65f5d15dabd7058af4537eea3e34998dc67dd250b00e52d1f07b10a73a67a15aada4523e50f40160d98a5f37ef4684a30ff338468
SSDEEP

3072:iOXg1lMf3u3jmZLJoYPYD1uQI2HSzhb0Ylf14/QISydDbsh8VBbFKQg5sNDl2Ob:Hw3MvJZLiYQDvLxSydHsh8VBbG5Sld

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-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_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
2744	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2744	AcroRd32.exe
2744	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2568	2644	cmd.exe	31
PID 2644 wrote to memory of 2568	2644	cmd.exe	31
PID 2644 wrote to memory of 2568	2644	cmd.exe	31
PID 2568 wrote to memory of 2744	2568	rundll32.exe	32
PID 2568 wrote to memory of 2744	2568	rundll32.exe	32
PID 2568 wrote to memory of 2744	2568	rundll32.exe	32
PID 2568 wrote to memory of 2744	2568	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\bn.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\bn.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2568
- - 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\bn.pak"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2744

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
3KB

MD5
027fb30baa84176d12c725e638e93c9b

SHA1
57fdefe48bf3b2e709ac93c0c81e17d6c15aad36

SHA256
04b3aafe80b1a9f282a4add29ad2be9b2cbfa2fac93a2c53eb08320f1f1141dd

SHA512
0f4c4fed82b6f21dc3e64bac8965eacf26e0d2b43ef02b4b17f9a6cfec95cc37617e4ef019cd1485f53141929302518584b0a7034fd13c850d96bbfebbb90708

Download Submit