fb2c656e4f18e1ea0215bbe4d68055fb6b450d251668719e25aa98dd5a849b5d

Analysis

max time kernel
136s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
06-02-2025 07:35

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General

Target

fb2c656e4f18e1ea0215bbe4d68055fb6b450d251668719e25aa98dd5a849b5d.dll
Size

76KB
MD5

849bd8df36bdbf44edbdd4ee3d13a31f
SHA1

b47515e2fb135981d30a777b01a65bd6f55a3314
SHA256

fb2c656e4f18e1ea0215bbe4d68055fb6b450d251668719e25aa98dd5a849b5d
SHA512

b4f812fffdccf43c736168d263c07706756365d43e434219f697b26c25a0aa5f4f2055af7acbddc3a0e83e752b4ffe13d7f7faabb18b472e51d08a2e7685acdf
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z2hH6e:c8y93KQjy7G55riF1cMo03MhHL

Score

5^/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/3692-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3692-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4668	3692	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	3692	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4168 wrote to memory of 3692	4168	rundll32.exe	84
PID 4168 wrote to memory of 3692	4168	rundll32.exe	84
PID 4168 wrote to memory of 3692	4168	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb2c656e4f18e1ea0215bbe4d68055fb6b450d251668719e25aa98dd5a849b5d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4168
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb2c656e4f18e1ea0215bbe4d68055fb6b450d251668719e25aa98dd5a849b5d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3692
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 692
    3⤵
    - Program crash
    PID:4668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3692 -ip 3692
1⤵
PID:3164

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/3692-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3692-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download