b4cb7a73c0b36c74df8b4cb6ee6a49e6963c803a31356514ca4b5f04e7610467

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-10-2024 18:41

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General

Target

$PLUGINSDIR/nsJSON.dll
Size

7KB
MD5

e273fac4ce13239f485dd944f48a70aa
SHA1

9c8108686412e0b193775b26e34fba1074e1cb14
SHA256

6c3d7dc2882b009ff4b617593af26edc43505f43db80bfa07fc138ee3600e3a5
SHA512

f5f0fa0407a55faccc2da82534c8d4f5e267b7b14b1655ffb94a23f55019081a4b12dd7ed4a4339fb5427c3ab0f08531b1b11496f4daaacedbd2a6ec2f47831a
SSDEEP

96:Z+KZ0x0OOdzJt0TwYKj7W/NYDNJk4az/qjnvOnuAjye8q6Cr9r7lcnrNQD2G:3/7vAmftE/65W8q6CtBcr+

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral17/memory/2176-1-0x0000000074E20000-0x0000000074E2A000-memory.dmp	upx
behavioral17/memory/2176-3-0x0000000074E20000-0x0000000074E2A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2704	2176	WerFault.exe	30

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 2232 wrote to memory of 2176	2232	rundll32.exe	30
PID 2232 wrote to memory of 2176	2232	rundll32.exe	30
PID 2232 wrote to memory of 2176	2232	rundll32.exe	30
PID 2232 wrote to memory of 2176	2232	rundll32.exe	30
PID 2232 wrote to memory of 2176	2232	rundll32.exe	30
PID 2232 wrote to memory of 2176	2232	rundll32.exe	30
PID 2232 wrote to memory of 2176	2232	rundll32.exe	30
PID 2176 wrote to memory of 2704	2176	rundll32.exe	31
PID 2176 wrote to memory of 2704	2176	rundll32.exe	31
PID 2176 wrote to memory of 2704	2176	rundll32.exe	31
PID 2176 wrote to memory of 2704	2176	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsJSON.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsJSON.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2176
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2176 -s 220
    3⤵
    - Program crash
    PID:2704

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/2176-2-0x0000000074EC0000-0x0000000074ECA000-memory.dmp

Filesize
40KB

Download
memory/2176-1-0x0000000074E20000-0x0000000074E2A000-memory.dmp

Filesize
40KB

Download
memory/2176-0-0x0000000074EC0000-0x0000000074ECA000-memory.dmp

Filesize
40KB

Download
memory/2176-3-0x0000000074E20000-0x0000000074E2A000-memory.dmp

Filesize
40KB

Download