8904cc035bd147d5da5f1c92d518b4c6fbfe41b4bc480d2dbb0e33bc53655985

Analysis

max time kernel
92s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/09/2024, 23:39

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General

Target

8904cc035bd147d5da5f1c92d518b4c6fbfe41b4bc480d2dbb0e33bc53655985.dll
Size

242KB
MD5

689aae57380244273aca8bf56baf3d5b
SHA1

cc93f09e440865e2a41cdc6796b0cfa63c4d5f75
SHA256

8904cc035bd147d5da5f1c92d518b4c6fbfe41b4bc480d2dbb0e33bc53655985
SHA512

1bf45b76e255fbffacb59a500d689c146db8bb9b437cfcbf48d51c8c40f09d40aa3d0d02a68cffd09482f33ab9f686e9de748eafdb4d37233baeac9e4065d067
SSDEEP

6144:0qMmee6ICfPQAX5/6HVtDA6ZZ61Sekxi/flPoS:3MSbCfIHkUs1SXxilPoS

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4056-0-0x0000000010000000-0x000000001003E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1528	4056	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 WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 4056	1684	rundll32.exe	82
PID 1684 wrote to memory of 4056	1684	rundll32.exe	82
PID 1684 wrote to memory of 4056	1684	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8904cc035bd147d5da5f1c92d518b4c6fbfe41b4bc480d2dbb0e33bc53655985.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8904cc035bd147d5da5f1c92d518b4c6fbfe41b4bc480d2dbb0e33bc53655985.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4056
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4056 -s 544
    3⤵
    - Program crash
    PID:1528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4056 -ip 4056
1⤵
PID:4532

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/4056-0-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

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