91b6f49c5b55d2fe5e38609ca12f8ac45cd63f24c69a421041076bd313508e00

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23/08/2024, 22:41

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General

Target

Content/Player/BP_Human.uasset
Size

220KB
MD5

a0071c6f1c4dcd80cc9eb0c81b5dc5ce
SHA1

eb32af692686a88cb393545270d81387498abc3d
SHA256

9004adbfc1a7ba2946bce7515a96965fb93d367a6e7044b39aabe54bce52704c
SHA512

aa1bf211df2af01bed4106b73eec9b236c149c0c950245b6d7225bf54cdcc63ecaadf62686035da6ffa3d73a6f5aaa6292999934f5f08a10578add1428de193c
SSDEEP

1536:YKFEIDhBHZRcmU4P8OQTDTpaXzL/0gIg4ARo/OddqzgMo0P:YK37Cp4PhipcMz

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-1-5-21-3551809350-4263495960-1443967649-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.uasset\ = "uasset_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\uasset_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\uasset_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\uasset_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.uasset	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\uasset_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\uasset_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_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
2724	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2724	AcroRd32.exe
2724	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2964	2212	cmd.exe	32
PID 2212 wrote to memory of 2964	2212	cmd.exe	32
PID 2212 wrote to memory of 2964	2212	cmd.exe	32
PID 2964 wrote to memory of 2724	2964	rundll32.exe	33
PID 2964 wrote to memory of 2724	2964	rundll32.exe	33
PID 2964 wrote to memory of 2724	2964	rundll32.exe	33
PID 2964 wrote to memory of 2724	2964	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Content\Player\BP_Human.uasset
1⤵
- Suspicious use of WriteProcessMemory
PID:2212
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Content\Player\BP_Human.uasset
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2964
- - 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\Player\BP_Human.uasset"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2724

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
9c81128ff3f7329d93b91d396aa54994

SHA1
4f74f144631462971e8d61c4539cb50ca15ee0d5

SHA256
5db2a04c942210f8df9978f24fe25b99a4618bc6adf1d9f15030741a938aa286

SHA512
5e88255912554810bd8fd2716629f1ef0056bfc459e54ef7f45307f18a78c922bb49b195ec60ea17514e4228a680d40ba59be2eceb6a60364a832589bfebb3da

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