230f0082865e50035b6852690a86d1c58cdf8f04849bcd108b5f47bfd1fd4f0b | Triage

Resubmissions

22/02/2024, 02:16

240222-cp8shaah72 7

22/02/2024, 02:13

240222-cnpm8sah54 7

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
22/02/2024, 02:13

Sharing

Report Analysis Logs

General

Target

mv_api.dll
Size

111KB
MD5

7825f2337527cd3bed18e0916d6efd74
SHA1

f5ac2e48459a44699391e25094de63c6ba288148
SHA256

55e4589211a20a5550d7f1f8dba9daa52f1dd3c9e046b8b639ac82e701c62ddb
SHA512

f5399b4043fb053059f20a524dfa44caee8845d60a0e3f07b7c08a7eb3cf074d3c68cde1d32897e238151f7a237eb3aed0590512709f439d5b11687315131263
SSDEEP

3072:oXuvjW5p+Jh1AIP2O8/KiFS91yAJf+om2HysQPl+fhwRobtL:pvaeGIeOsHSygGuS1+fh/t

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

resource	yara_rule
behavioral10/memory/3888-0-0x0000000074E50000-0x0000000074E97000-memory.dmp	upx
behavioral10/memory/3888-1-0x0000000074E50000-0x0000000074E97000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2796	3888	WerFault.exe	86

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3892 wrote to memory of 3888	3892	rundll32.exe	86
PID 3892 wrote to memory of 3888	3892	rundll32.exe	86
PID 3892 wrote to memory of 3888	3892	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\mv_api.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3892
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\mv_api.dll,#1
  2⤵
  PID:3888
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3888 -s 612
    3⤵
    - Program crash
    PID:2796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3888 -ip 3888
1⤵
PID:3824

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3888-0-0x0000000074E50000-0x0000000074E97000-memory.dmp

Filesize
284KB

Download
memory/3888-1-0x0000000074E50000-0x0000000074E97000-memory.dmp

Filesize
284KB

Download