f3e73ca804d19ae1bebabc157d50f5e6b7818ae27a5c5b0876e3bd5079c601fe

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04/01/2025, 23:55

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General

Target

f3e73ca804d19ae1bebabc157d50f5e6b7818ae27a5c5b0876e3bd5079c601feN.dll
Size

76KB
MD5

684d997b631e6e8ba4358ce092aa61b0
SHA1

c29c2f639339be9547cf8d559cc9aabeed5867fc
SHA256

f3e73ca804d19ae1bebabc157d50f5e6b7818ae27a5c5b0876e3bd5079c601fe
SHA512

cff2c5b4a4c7542bef9c6ccbf70ea163934a0cfe680329f6aa74fe32a542deb9ffce0fed1da58ced0cd3cd57a98460ebee641cbe4f501a21c0924005fb95c743
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZkHeCKEt6C:c8y93KQjy7G55riF1cMo03iOEt6C

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/4072-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4072-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3968	4072	WerFault.exe	82

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	4072	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4388 wrote to memory of 4072	4388	rundll32.exe	82
PID 4388 wrote to memory of 4072	4388	rundll32.exe	82
PID 4388 wrote to memory of 4072	4388	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f3e73ca804d19ae1bebabc157d50f5e6b7818ae27a5c5b0876e3bd5079c601feN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4388
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f3e73ca804d19ae1bebabc157d50f5e6b7818ae27a5c5b0876e3bd5079c601feN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4072
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4072 -s 696
    3⤵
    - Program crash
    PID:3968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4072 -ip 4072
1⤵
PID:4808

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/4072-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4072-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download