ec7b0421bc4a7d68527d108315a9e88a64e88b66f4d3c6c80824f8c0924ade65

Analysis

max time kernel
84s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 11:48

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General

Target

ec7b0421bc4a7d68527d108315a9e88a64e88b66f4d3c6c80824f8c0924ade65N.dll
Size

76KB
MD5

0f97a7ebaa8cb88275f37506648be270
SHA1

4ab6a4f2e1200522f5bcdb734c2472000ae14708
SHA256

ec7b0421bc4a7d68527d108315a9e88a64e88b66f4d3c6c80824f8c0924ade65
SHA512

a56ec8ccaff24af9303705fb8bb6bfce2513877d757edc4227c71a00658eaa63eaecbb1c9bdaa30da72c35530a2ba1e5d1eb98f9b34936db8540659e48494811
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zkk/jYMJa:c8y93KQjy7G55riF1cMo03F/jYMc

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
behavioral1/memory/2736-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2736-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2736-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2736-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2740	2736	WerFault.exe	31

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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2736	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 2736	2664	rundll32.exe	31
PID 2664 wrote to memory of 2736	2664	rundll32.exe	31
PID 2664 wrote to memory of 2736	2664	rundll32.exe	31
PID 2664 wrote to memory of 2736	2664	rundll32.exe	31
PID 2664 wrote to memory of 2736	2664	rundll32.exe	31
PID 2664 wrote to memory of 2736	2664	rundll32.exe	31
PID 2664 wrote to memory of 2736	2664	rundll32.exe	31
PID 2736 wrote to memory of 2740	2736	rundll32.exe	32
PID 2736 wrote to memory of 2740	2736	rundll32.exe	32
PID 2736 wrote to memory of 2740	2736	rundll32.exe	32
PID 2736 wrote to memory of 2740	2736	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ec7b0421bc4a7d68527d108315a9e88a64e88b66f4d3c6c80824f8c0924ade65N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ec7b0421bc4a7d68527d108315a9e88a64e88b66f4d3c6c80824f8c0924ade65N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2736
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2736 -s 336
    3⤵
    - Program crash
    PID:2740

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

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Downloads

memory/2736-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2736-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2736-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2736-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2736-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download