91b6f49c5b55d2fe5e38609ca12f8ac45cd63f24c69a421041076bd313508e00

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
23-08-2024 22:41

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General

Target

Content/GREEN/Extra/Portal1.uasset
Size

13KB
MD5

26d76894dd0b0ea30d921088d65ea14b
SHA1

634a1693565bc6e18b3114de91d3a46392cfee0c
SHA256

1a6bbcd9219c7a8aafdca7ac0ac5b85607daf4bca3d0ced7fa0851afc8099740
SHA512

71a6f410c56fa07a906967e5e818c410c1eb4169eb64a45dfa6aae9a4025eccec8a731512fd7a7bc0fe19dd1996a32dd447074723c6e7aabaa6c3ca920354da8
SSDEEP

384:rrONKEzJtk7HJ+w4UqPi2Ut06scAqH01O:rr6KEqeO

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-1-5-21-2172136094-3310281978-782691160-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\uasset_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\.uasset	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\uasset_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\uasset_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\.uasset\ = "uasset_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\uasset_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\uasset_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\uasset_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
2820	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2820	AcroRd32.exe
2820	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 2600	3008	cmd.exe	31
PID 3008 wrote to memory of 2600	3008	cmd.exe	31
PID 3008 wrote to memory of 2600	3008	cmd.exe	31
PID 2600 wrote to memory of 2820	2600	rundll32.exe	32
PID 2600 wrote to memory of 2820	2600	rundll32.exe	32
PID 2600 wrote to memory of 2820	2600	rundll32.exe	32
PID 2600 wrote to memory of 2820	2600	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Content\GREEN\Extra\Portal1.uasset
1⤵
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Content\GREEN\Extra\Portal1.uasset
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2600
- - 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\Content\GREEN\Extra\Portal1.uasset"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2820

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

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Downloads

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

Filesize
3KB

MD5
1a976114b1069052b9431c36a7f6e342

SHA1
7ed975f321d6e97866f63a0ab4934f19445b2f8a

SHA256
ebe1278a2808577ecc9359b7cdeece8491500daa62b73a5538023d5b680a234a

SHA512
4b6537064681765d12dfccd313ea7abdd9e4f076460b29e315afb0fad065065d1ed75c10805e8321060601247e13856326715103973fbfda118c4ab21178b10e

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