090e0888ae8682a9296bc1c8790ea8cd7ee3c19c1d1977c1b2d57eab9915d340

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
02/10/2024, 19:03

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General

Target

$PLUGINSDIR/nsJSON.dll
Size

7KB
MD5

b9cd1b0fd3af89892348e5cc3108dce7
SHA1

f7bc59bf631303facfc970c0da67a73568e1dca6
SHA256

49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384
SHA512

fdcbdd21b831a92ca686aab5b240f073a89a08588e42439564747cad9160d79cfa8e3c103b6b4f2917684c1a591880203b4303418b85bc040f9f00b6658b0c90
SSDEEP

96:Zw8NZ0x0OOdzJt0TwYKj7W/NYDNd9fQ6blfW+KrWC69r7ncnrD6Qdm:6e/7vAmrHblfW3iCmDcru

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
behavioral31/memory/2880-3-0x0000000074FF0000-0x0000000074FFA000-memory.dmp	upx
behavioral31/memory/2880-4-0x0000000074FF0000-0x0000000074FFA000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2912	2880	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 2760 wrote to memory of 2880	2760	rundll32.exe	30
PID 2760 wrote to memory of 2880	2760	rundll32.exe	30
PID 2760 wrote to memory of 2880	2760	rundll32.exe	30
PID 2760 wrote to memory of 2880	2760	rundll32.exe	30
PID 2760 wrote to memory of 2880	2760	rundll32.exe	30
PID 2760 wrote to memory of 2880	2760	rundll32.exe	30
PID 2760 wrote to memory of 2880	2760	rundll32.exe	30
PID 2880 wrote to memory of 2912	2880	rundll32.exe	31
PID 2880 wrote to memory of 2912	2880	rundll32.exe	31
PID 2880 wrote to memory of 2912	2880	rundll32.exe	31
PID 2880 wrote to memory of 2912	2880	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:2760
- 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:2880
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2880 -s 220
    3⤵
    - Program crash
    PID:2912

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/2880-1-0x0000000074FF0000-0x0000000074FFA000-memory.dmp

Filesize
40KB

Download
memory/2880-3-0x0000000074FF0000-0x0000000074FFA000-memory.dmp

Filesize
40KB

Download
memory/2880-2-0x0000000075270000-0x000000007527A000-memory.dmp

Filesize
40KB

Download
memory/2880-0-0x0000000075270000-0x000000007527A000-memory.dmp

Filesize
40KB

Download
memory/2880-4-0x0000000074FF0000-0x0000000074FFA000-memory.dmp

Filesize
40KB

Download