387ceccdce7de1fcdcc5115318f41ee384c231ee914695f507081f5afc712f94

Analysis

max time kernel
119s
max time network
127s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
06/08/2024, 16:53

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General

Target

locales/sw.pak
Size

479KB
MD5

59ff4e16b640ef41100243857efdd009
SHA1

f712b2d39618ffadcf68d1f2ab5a76da5be14d74
SHA256

c18a209f8ec3641c90ea8ced5343f943f034e09c8e75466e24dcabc070d08804
SHA512

0e721a6cbf209ac35272ad292b2e5000d4e690062ddb498dbf6e8e6ee5f6e86d034a7303a46c2b85750245381c78efafc416ead13c1fe0ee5ec6088dd66adca2
SSDEEP

12288:/wmIzbIcvt54uCERdyU7bQg8Wo97pJ8zvgu352ub95Z4sKPe/BrufA:/azl5Bn

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-1-5-21-3450744190-3404161390-554719085-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_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-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2896	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2896	AcroRd32.exe
2896	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 1088	2104	cmd.exe	32
PID 2104 wrote to memory of 1088	2104	cmd.exe	32
PID 2104 wrote to memory of 1088	2104	cmd.exe	32
PID 1088 wrote to memory of 2896	1088	rundll32.exe	33
PID 1088 wrote to memory of 2896	1088	rundll32.exe	33
PID 1088 wrote to memory of 2896	1088	rundll32.exe	33
PID 1088 wrote to memory of 2896	1088	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\sw.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\sw.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1088
- - 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\sw.pak"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2896

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

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Downloads

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

Filesize
3KB

MD5
7df86322967e2a394fa7057417f2e817

SHA1
3931c1748a663e31fcf0ac8cad7008833e19765f

SHA256
a1f961a94348ae7211c5fdc6db5c69c63fda03ed3366ef65cae2e604a81488f5

SHA512
9f988219a3a4dbb7ebb08ec7ff7eb0761b73bb88b959be61dcf8520cce0d977b6f3b5c78a2f1bc1be121b00ecd0644233e7a4fdce844c0d47a8705644fe52876

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