a3c0f183a5ac52c63d4db8c3e4f3a6ccfb42011db1bb88d4c1e5fe0b1bfe8e4f

Analysis

max time kernel
110s
max time network
16s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
27/09/2024, 12:48

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General

Target

$PLUGINSDIR/nsJSON.dll
Size

7KB
MD5

78b913fcd04259634a5e901c616e6074
SHA1

ad5e1c651851a1125bcad79b01ccdcfa45df4799
SHA256

e3ce60666bb88c2412615ef9f432ec24e219532dee5cc1c7aebc65ed9ec94d59
SHA512

cbe07179dd93011f3d9a8f83541961ff34fb83d96658ac82a433ef0aa3399b183eaec3e6a49ec1c1e478d1eada2d3ebc78ffb1ae0574984ae66a7a9cab5d59e5
SSDEEP

192:QTIBadVjvTMEE7bZATR4N65bhztNDcrGu:QkkV/JE7IR865bhTcau

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral13/memory/2372-0-0x0000000074CB0000-0x0000000074CBA000-memory.dmp	upx
behavioral13/memory/2372-1-0x0000000074CA0000-0x0000000074CAA000-memory.dmp	upx
behavioral13/memory/2372-2-0x0000000074CA0000-0x0000000074CAA000-memory.dmp	upx
behavioral13/memory/2372-4-0x0000000074CA0000-0x0000000074CAA000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2960	2372	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 1244 wrote to memory of 2372	1244	rundll32.exe	30
PID 1244 wrote to memory of 2372	1244	rundll32.exe	30
PID 1244 wrote to memory of 2372	1244	rundll32.exe	30
PID 1244 wrote to memory of 2372	1244	rundll32.exe	30
PID 1244 wrote to memory of 2372	1244	rundll32.exe	30
PID 1244 wrote to memory of 2372	1244	rundll32.exe	30
PID 1244 wrote to memory of 2372	1244	rundll32.exe	30
PID 2372 wrote to memory of 2960	2372	rundll32.exe	31
PID 2372 wrote to memory of 2960	2372	rundll32.exe	31
PID 2372 wrote to memory of 2960	2372	rundll32.exe	31
PID 2372 wrote to memory of 2960	2372	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:1244
- 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:2372
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 220
    3⤵
    - Program crash
    PID:2960

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/2372-0-0x0000000074CB0000-0x0000000074CBA000-memory.dmp

Filesize
40KB

Download
memory/2372-1-0x0000000074CA0000-0x0000000074CAA000-memory.dmp

Filesize
40KB

Download
memory/2372-2-0x0000000074CA0000-0x0000000074CAA000-memory.dmp

Filesize
40KB

Download
memory/2372-3-0x0000000074CB0000-0x0000000074CBA000-memory.dmp

Filesize
40KB

Download
memory/2372-4-0x0000000074CA0000-0x0000000074CAA000-memory.dmp

Filesize
40KB

Download
memory/2372-6-0x0000000074CB0000-0x0000000074CBA000-memory.dmp

Filesize
40KB

Download