91b6f49c5b55d2fe5e38609ca12f8ac45cd63f24c69a421041076bd313508e00

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
23/08/2024, 22:41

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General

Target

Content/GREEN/Extra/Portal1-Inst.uasset
Size

350KB
MD5

830f534c7bd360ff142452345d2c0515
SHA1

233b2cd548325db8636a6a116bde7e9439f462a7
SHA256

56b5855fb690f15ee11b8010c7a2c3a9ae08041e9757eb383b745be471617200
SHA512

fb33f970450adb52c8d8ac1ce8984aa3d6cf82cc5d501f0b669621b55fdd5e9f2f119f6f3ecdd8d43ee43eca30b738b6936dcd7639c2a84fd7683b1614433039
SSDEEP

6144:fB29sAIrFdKrguf/63r+YPGQTjkC3IrjzSd33hO4cbZK0mXd:XAIbE/6uQMUDhxZiwPXd

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-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\uasset_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.uasset	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.uasset\ = "uasset_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\uasset_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\uasset_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\uasset_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\uasset_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\uasset_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2664	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2664	AcroRd32.exe
2664	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 2776	2816	cmd.exe	31
PID 2816 wrote to memory of 2776	2816	cmd.exe	31
PID 2816 wrote to memory of 2776	2816	cmd.exe	31
PID 2776 wrote to memory of 2664	2776	rundll32.exe	32
PID 2776 wrote to memory of 2664	2776	rundll32.exe	32
PID 2776 wrote to memory of 2664	2776	rundll32.exe	32
PID 2776 wrote to memory of 2664	2776	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Content\GREEN\Extra\Portal1-Inst.uasset
1⤵
- Suspicious use of WriteProcessMemory
PID:2816
- 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-Inst.uasset
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2776
- - 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-Inst.uasset"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2664

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
702cc59283584b4ef0fdb3264f73fec1

SHA1
182f7922c81981bc303cabd0c77c338e710dc4b9

SHA256
2d932024169e7cceb81ee2238b34fcaa070be63fc124a4cfea910dd89348ef7b

SHA512
2e17aede20770abe0c78b95ac4bcbd7c1b180740389ff5875894e8390ce16f1fe0e1133a1ae18b359587a830bf532858c20bf5cd45dd8cbe64989b08cdb80251

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