fb91b2fcd4328cb17fd8a00897cf9291736a85af6c54326539b851381463256d

Analysis

max time kernel
141s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
18/08/2024, 00:16

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General

Target

$PLUGINSDIR/nsResize.dll
Size

4KB
MD5

aa849e7407cf349021812f62c001e097
SHA1

4cbb55b1d1dd95dcb7a36b5a44121ad4934539af
SHA256

29b0e5792679756a79d501e3a9b317971b08e876fac1c2476180d0ae83b77ba5
SHA512

4556baa49e8182d72e29e8d809635312142eb127039f5803ca0bf011b4359f0b584a670a3bd26a9969165a332cfa14a39abeaeae0b4d90519f91fdea755c54de
SSDEEP

96:Grb+u7Dk2IFEZsO22AxqX4PJ7G17JAgX0:yb+u7Y2IFEKOHA0X8i1NAI

Score

7^/10

discovery upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral7/memory/2980-1-0x00000000754E0000-0x00000000754E9000-memory.dmp	acprotect
behavioral7/memory/2980-4-0x00000000754E0000-0x00000000754E9000-memory.dmp	acprotect

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral7/memory/2980-1-0x00000000754E0000-0x00000000754E9000-memory.dmp	upx
behavioral7/memory/2980-4-0x00000000754E0000-0x00000000754E9000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2888	2980	WerFault.exe	31

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	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1000 wrote to memory of 2980	1000	rundll32.exe	31
PID 1000 wrote to memory of 2980	1000	rundll32.exe	31
PID 1000 wrote to memory of 2980	1000	rundll32.exe	31
PID 1000 wrote to memory of 2980	1000	rundll32.exe	31
PID 1000 wrote to memory of 2980	1000	rundll32.exe	31
PID 1000 wrote to memory of 2980	1000	rundll32.exe	31
PID 1000 wrote to memory of 2980	1000	rundll32.exe	31
PID 2980 wrote to memory of 2888	2980	rundll32.exe	32
PID 2980 wrote to memory of 2888	2980	rundll32.exe	32
PID 2980 wrote to memory of 2888	2980	rundll32.exe	32
PID 2980 wrote to memory of 2888	2980	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsResize.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1000
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsResize.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2980
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2980 -s 220
    3⤵
    - Program crash
    PID:2888

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

Replay Monitor

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Downloads

memory/2980-2-0x00000000754F0000-0x00000000754F9000-memory.dmp

Filesize
36KB

Download
memory/2980-0-0x00000000754F0000-0x00000000754F9000-memory.dmp

Filesize
36KB

Download
memory/2980-1-0x00000000754E0000-0x00000000754E9000-memory.dmp

Filesize
36KB

Download
memory/2980-3-0x00000000754F0000-0x00000000754F9000-memory.dmp

Filesize
36KB

Download
memory/2980-4-0x00000000754E0000-0x00000000754E9000-memory.dmp

Filesize
36KB

Download
memory/2980-5-0x00000000754F0000-0x00000000754F9000-memory.dmp

Filesize
36KB

Download