2f6daf8d4c0470168efc426865ad88d10ba8c82c1a9c89c6d7e619cf25ee040e

Analysis

max time kernel
85s
max time network
87s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/08/2024, 14:09

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General

Target
7a5a9bb119594719ef83ee86e46b0ff0N.dll
Size 76KB
Sample240823-rf4jrayclf
SHA256 2f6daf8d4c0470168efc426865ad88d10ba8c82c1a9c89c6d7e619cf25ee040e
MD5 7a5a9bb119594719ef83ee86e46b0ff0
SHA1 18928183a08a5494e5d550b1c9602155c6112a25
SHA512 23255d9b3ef3a6295fcd9596d8d2a5b4ef2dd7a3badff6ab19d120cbc96eee979d490dbb28ac35cec6f90223ccab3e47a9ce6e71d7fd655acbfef512a6249b9a
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZWn:c8y93KQjy7G55riF1cMo03gn
MD5 SHA1 SHA512 SSDEEP

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
behavioral2/memory/2544-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2544-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4340	2544	WerFault.exe	84

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	2544	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4328 wrote to memory of 2544	4328	rundll32.exe	84
PID 4328 wrote to memory of 2544	4328	rundll32.exe	84
PID 4328 wrote to memory of 2544	4328	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7a5a9bb119594719ef83ee86e46b0ff0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4328
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7a5a9bb119594719ef83ee86e46b0ff0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2544
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2544 -s 700
    3⤵
    - Program crash
    PID:4340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2544 -ip 2544
1⤵
PID:1788

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/2544-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/2544-2-0x0000000010000000-0x0000000010030000-memory.dmp