a04f47dbdfa18399fe3017963b0108de781855ea1fbf966c067cf4972fbab493

Analysis

max time kernel
147s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
11/06/2024, 01:15

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General

Target
a04f47dbdfa18399fe3017963b0108de781855ea1fbf966c067cf4972fbab493.dll
Size 900KB
Sample240611-bml1aayfpr
SHA256 a04f47dbdfa18399fe3017963b0108de781855ea1fbf966c067cf4972fbab493
MD5 b8d31af7c83c18a247456eb2505d10bc
SHA1 ee60cd203b7e7f0c804cfdee235488e2dbe386d7
SHA512 181aa3ec0bf10dfb208b97f68c274f2aba340cfee77bab0f0dd9a5d4627a64e8e79118424271fdcde6a5daef0d868d00bbdb5a4f0fe9db5e6008a494bd5e5058
SSDEEP 24576:kkDcMmMXMa3RygcbUnqtUR8gcACjkv37S66hNL3zjY/:1DcMvJ3ujXtDja
MD5 SHA1 SHA512 SSDEEP

Score

9^/10

upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 2 IoCs

resource	yara_rule
behavioral2/memory/1488-7-0x0000000000EA0000-0x0000000000EAB000-memory.dmp	UPX
behavioral2/memory/1488-11-0x0000000000EA0000-0x0000000000EAB000-memory.dmp	UPX

Loads dropped DLL 2 IoCs

pid	Process
1488	rundll32.exe
1488	rundll32.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1488-7-0x0000000000EA0000-0x0000000000EAB000-memory.dmp	upx
behavioral2/memory/1488-11-0x0000000000EA0000-0x0000000000EAB000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\lua.dll	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4448 wrote to memory of 1488	4448	rundll32.exe	82
PID 4448 wrote to memory of 1488	4448	rundll32.exe	82
PID 4448 wrote to memory of 1488	4448	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a04f47dbdfa18399fe3017963b0108de781855ea1fbf966c067cf4972fbab493.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4448
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a04f47dbdfa18399fe3017963b0108de781855ea1fbf966c067cf4972fbab493.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:1488

Network

MITRE ATT&CK Matrix

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Downloads

lua.dll

Path C:\Windows\SysWOW64\lua.dll
Size 208KB
SHA256 41e2c3a0036f422fc3ee3772c4bbe4fe5a1561aecec92a8a0ae91b66b240e3ed
MD5 e6df13a95fbd8aa3c66cf4cf713b9246
SHA1 3a691bb3b5b838a488ef3864eb533e9dbc0668b0
SHA512 7a12c198dfcb3719de68c151b1c0d1003ff132e01536fdc715f4acc37f3319063bad4e9a6e271866e18a3cc52c2af82b45457f73b6d97507bf498752432d5ef4
SSDEEP 6144:PSekC0PwNl5RHttXuSugFWMDMdmXSafPd/p/g/y:PNL3HLuSugFWMDMdmXSafPdR/gq
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1488-4-0x0000000000E40000-0x0000000000E76000-memory.dmp

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memory/1488-7-0x0000000000EA0000-0x0000000000EAB000-memory.dmp

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memory/1488-11-0x0000000000EA0000-0x0000000000EAB000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads