2d75bc310ccdfb81b7367a87d93b4539c1051512c294415ab8cd0e1b8c68792b

Analysis

max time kernel
102s
max time network
17s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
29-08-2024 03:01

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General

Target

resources.pak
Size

5.0MB
MD5

67bb5e75ceb8ced4c98cf0454933cb45
SHA1

c2b1c8c8d753318bc5ec18762c27512a5eb9f9cd
SHA256

5d63acd4034f7771ca346d138d7478014abf1f3f4386d07fc025dbc2c2bc0bff
SHA512

fd213d59ebc625f6f8b20cc8fde1a22132ce827b81deaddb9ca7993fe0d9616de17e089def338d23c4b6bbd7d3a931ee73aa329325eaa17f8145a58fe11d8c38
SSDEEP

98304:cC+ks/PeeUfLix3zJ/3JKKSa+cgHprwrNl8dtSip6QaVaK2nguoM10mpmjy+0VxW:c1k035B5K3cQpkrNi/SQaVN2guJ10Le4

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\.pak	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2852	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2852	AcroRd32.exe
2852	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1320 wrote to memory of 2172	1320	cmd.exe	30
PID 1320 wrote to memory of 2172	1320	cmd.exe	30
PID 1320 wrote to memory of 2172	1320	cmd.exe	30
PID 2172 wrote to memory of 2852	2172	rundll32.exe	31
PID 2172 wrote to memory of 2852	2172	rundll32.exe	31
PID 2172 wrote to memory of 2852	2172	rundll32.exe	31
PID 2172 wrote to memory of 2852	2172	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\resources.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:1320
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\resources.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2172
- - 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\resources.pak"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2852

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
81d09f0484ebf4b671bee89796cbde52

SHA1
e1c50c1201e911d9ec3a1c7110a5536c49204501

SHA256
ecb329a2450a9ce645bf9e95e72dacc5e508cc4873c6614606c0c0bc7ac4c5de

SHA512
4ed14ea3986ff8509e83b90c93c79a09c24f2e798fe7659bccd745a3ab02e041f00b07607453ce9f5bab0ae627e006a687af62bd795548659b81f69c309fdc13

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