2a60f6b611228af03f11b61ccbc9eea75f10df43764ab538c4f167c3763470a4

Analysis

max time kernel
110s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07/09/2024, 08:20

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General

Target

$PLUGINSDIR/nsArray.dll
Size

6KB
MD5

89d40ecddf3ce6f3b0e6a84f40936912
SHA1

97af44bb909a7701f46ec0b4bc9a52f27140ca21
SHA256

05d59fa3f6cf237c999b5f73b7d6a4d8ec6a4eed4d0d9c6a12cf08944f2bb770
SHA512

bfa23ae2d42831783a4132c313d7d4fbd1e91eb1445a4a82be3b577284e830b5282f85bbc9261291370e6673f7f0e2e17aae0b0e41495a618f22905026e82ea1
SSDEEP

96:rXfjvtzPsqb8iI/ZK0DoeUWUZ7P5tWycDVIzfBG1IfA7gfMxLfAdGOL:HJ1b8iWZ/rUWoRMy2VYJGP0M2dGa

Score

7^/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
behavioral11/memory/2248-1-0x0000000074BD0000-0x0000000074BDA000-memory.dmp	upx
behavioral11/memory/2248-4-0x0000000074BD0000-0x0000000074BDA000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1280	2248	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 2436 wrote to memory of 2248	2436	rundll32.exe	30
PID 2436 wrote to memory of 2248	2436	rundll32.exe	30
PID 2436 wrote to memory of 2248	2436	rundll32.exe	30
PID 2436 wrote to memory of 2248	2436	rundll32.exe	30
PID 2436 wrote to memory of 2248	2436	rundll32.exe	30
PID 2436 wrote to memory of 2248	2436	rundll32.exe	30
PID 2436 wrote to memory of 2248	2436	rundll32.exe	30
PID 2248 wrote to memory of 1280	2248	rundll32.exe	31
PID 2248 wrote to memory of 1280	2248	rundll32.exe	31
PID 2248 wrote to memory of 1280	2248	rundll32.exe	31
PID 2248 wrote to memory of 1280	2248	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2248
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2248 -s 220
    3⤵
    - Program crash
    PID:1280

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/2248-2-0x0000000074BF0000-0x0000000074BFA000-memory.dmp

Filesize
40KB

Download
memory/2248-1-0x0000000074BD0000-0x0000000074BDA000-memory.dmp

Filesize
40KB

Download
memory/2248-0-0x0000000074BE0000-0x0000000074BEA000-memory.dmp

Filesize
40KB

Download
memory/2248-3-0x0000000074BE0000-0x0000000074BEA000-memory.dmp

Filesize
40KB

Download
memory/2248-4-0x0000000074BD0000-0x0000000074BDA000-memory.dmp

Filesize
40KB

Download
memory/2248-5-0x0000000074BF0000-0x0000000074BFA000-memory.dmp

Filesize
40KB

Download