92fd3de128bdbd7187867cc1b7915a2c5bafbf3f7b940188f9fc84bc86f608de

Analysis

max time kernel
91s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 21:59

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General

Target
fb9a3fd9614c88e71521ab69f86125c0N.dll
Size 76KB
Sample240907-1v4mqszelc
SHA256 92fd3de128bdbd7187867cc1b7915a2c5bafbf3f7b940188f9fc84bc86f608de
MD5 fb9a3fd9614c88e71521ab69f86125c0
SHA1 f568583d1618e6e31a98619c953a028172b62dc2
SHA512 4ab3dba61d0201951f1e338705d3fb68c9e4618375cfaccdcddec00e04f04b54496bbe8c651582f8bebf9e13c1fdcec08ae27f822e9be7fd9d16f165397e923c
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZmwFbIMNL:c8y93KQjy7G55riF1cMo03ci1
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/728-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/728-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1100	728	WerFault.exe	85

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	728	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2868 wrote to memory of 728	2868	rundll32.exe	85
PID 2868 wrote to memory of 728	2868	rundll32.exe	85
PID 2868 wrote to memory of 728	2868	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb9a3fd9614c88e71521ab69f86125c0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb9a3fd9614c88e71521ab69f86125c0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:728
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 728 -s 700
    3⤵
    - Program crash
    PID:1100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 728 -ip 728
1⤵
PID:3708

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/728-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/728-2-0x0000000010000000-0x0000000010030000-memory.dmp