4a8b90600201990378161adf50d45fbe22be6526298eb607e55d5266840ec5c8

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
12/10/2024, 17:14

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General

Target

$PLUGINSDIR/nsJSON.dll
Size

6KB
MD5

292aa9f95a7f081625056c497078159a
SHA1

72076f3eb146ab7ea2b3dd0ef6a63c06f86d64f1
SHA256

18f2b2f20c65a022a1c8aaf776b4c9be6c193b73c2079d9d65d56b802fcadfb5
SHA512

87f83c3bbcfedd98364b5d0209f912e66c72d43eb887438ad9735c078e6d1f6ea12566a75f0b652602bbd9f0608ce7148dc1703821f2ab6b366f061b8a58d910
SSDEEP

96:u2r8Z0x0OOG+2tOgdC+qzf+Sdv9wMxOHKCt6qZZLAL5EICN9r7HcnrDn:uHI+2e9zf++viMot6qZFYEIC7jcrL

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral11/memory/2004-3-0x0000000075420000-0x000000007542A000-memory.dmp	upx
behavioral11/memory/2004-0-0x0000000075430000-0x000000007543A000-memory.dmp	upx
behavioral11/memory/2004-4-0x0000000075420000-0x000000007542A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1228	2004	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 1232 wrote to memory of 2004	1232	rundll32.exe	30
PID 1232 wrote to memory of 2004	1232	rundll32.exe	30
PID 1232 wrote to memory of 2004	1232	rundll32.exe	30
PID 1232 wrote to memory of 2004	1232	rundll32.exe	30
PID 1232 wrote to memory of 2004	1232	rundll32.exe	30
PID 1232 wrote to memory of 2004	1232	rundll32.exe	30
PID 1232 wrote to memory of 2004	1232	rundll32.exe	30
PID 2004 wrote to memory of 1228	2004	rundll32.exe	31
PID 2004 wrote to memory of 1228	2004	rundll32.exe	31
PID 2004 wrote to memory of 1228	2004	rundll32.exe	31
PID 2004 wrote to memory of 1228	2004	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:1232
- 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:2004
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 224
    3⤵
    - Program crash
    PID:1228

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/2004-3-0x0000000075420000-0x000000007542A000-memory.dmp

Filesize
40KB

Download
memory/2004-2-0x0000000075420000-0x000000007542A000-memory.dmp

Filesize
40KB

Download
memory/2004-1-0x0000000075430000-0x000000007543A000-memory.dmp

Filesize
40KB

Download
memory/2004-0-0x0000000075430000-0x000000007543A000-memory.dmp

Filesize
40KB

Download
memory/2004-4-0x0000000075420000-0x000000007542A000-memory.dmp

Filesize
40KB

Download