d291467a1b771d322454f799fa5984bb6e2bb33ab981383394215f7c4f62c6bf

Analysis

max time kernel
102s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2024 04:07

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General

Target

d291467a1b771d322454f799fa5984bb6e2bb33ab981383394215f7c4f62c6bf.dll
Size

76KB
MD5

bcc45f936a95dbb8e1517787ffbddaf8
SHA1

fa898b2b70f00daee340afeff5af855462c67b1f
SHA256

d291467a1b771d322454f799fa5984bb6e2bb33ab981383394215f7c4f62c6bf
SHA512

89e87036eba8f6b06b884245289686546409b27382f67c6d4a253ab9a0d0ac500ad34c9a5e0391c7a16e59d4f97af77e3845dee5f11631ebbb764c3f21fa9ad6
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z/+3:c8y93KQjy7G55riF1cMo03c3

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/780-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/780-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4504	780	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	780	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3832 wrote to memory of 780	3832	rundll32.exe	82
PID 3832 wrote to memory of 780	3832	rundll32.exe	82
PID 3832 wrote to memory of 780	3832	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d291467a1b771d322454f799fa5984bb6e2bb33ab981383394215f7c4f62c6bf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3832
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d291467a1b771d322454f799fa5984bb6e2bb33ab981383394215f7c4f62c6bf.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:780
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 780 -s 712
    3⤵
    - Program crash
    PID:4504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 780 -ip 780
1⤵
PID:4452

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/780-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/780-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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