0c117fb8f953a260e3952c306af45ccc728026f22a8ef4aa60024a5d7ac0e97c

Analysis

max time kernel
141s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 06:29

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General

Target

$PLUGINSDIR/md5dll.dll
Size

6KB
MD5

0745ff646f5af1f1cdd784c06f40fce9
SHA1

bf7eba06020d7154ce4e35f696bec6e6c966287f
SHA256

fbed2f1160469f42ce97c33ad558201b2b43e3020257f9b2259e3ce295317a70
SHA512

8d31627c719e788b5d0f5f34d4cb175989eaa35aa3335c98f2ba7902c8ae01b23de3ccb9c6eb95945f0b08ef74d456f9f22ca7539df303e1df3f6a7e67b358da
SSDEEP

96:GL2PcvGn5olZMTZxEp8agTsflVwn4GogZcko5N1ub:U2Pxn5UZMTZipyaw4ZkKP2

Score

7^/10

discovery upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral9/memory/1936-0-0x0000000010000000-0x0000000010009000-memory.dmp	acprotect
behavioral9/memory/1936-1-0x0000000010000000-0x0000000010009000-memory.dmp	acprotect

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral9/memory/1936-0-0x0000000010000000-0x0000000010009000-memory.dmp	upx
behavioral9/memory/1936-1-0x0000000010000000-0x0000000010009000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1532	1936	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 1936	1076	rundll32.exe	30
PID 1076 wrote to memory of 1936	1076	rundll32.exe	30
PID 1076 wrote to memory of 1936	1076	rundll32.exe	30
PID 1076 wrote to memory of 1936	1076	rundll32.exe	30
PID 1076 wrote to memory of 1936	1076	rundll32.exe	30
PID 1076 wrote to memory of 1936	1076	rundll32.exe	30
PID 1076 wrote to memory of 1936	1076	rundll32.exe	30
PID 1936 wrote to memory of 1532	1936	rundll32.exe	31
PID 1936 wrote to memory of 1532	1936	rundll32.exe	31
PID 1936 wrote to memory of 1532	1936	rundll32.exe	31
PID 1936 wrote to memory of 1532	1936	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\md5dll.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1076
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\md5dll.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1936
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1936 -s 224
    3⤵
    - Program crash
    PID:1532

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/1936-0-0x0000000010000000-0x0000000010009000-memory.dmp

Filesize
36KB

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memory/1936-1-0x0000000010000000-0x0000000010009000-memory.dmp

Filesize
36KB

Download