118b41f3ca939b3bdecb5c70db87638fa3db033bffba99d521590856c5d3b7ef

Analysis

max time kernel
98s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15/01/2025, 15:47

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General

Target
$PLUGINSDIR/SelfDel.dll
Size 4KB
Sample250115-s8a9caymam
SHA256 281c39b733579e031c62bdd247b41543ece1fe3bd6eda26fc8ad474b10f33101
MD5 7cff7fe2caea5184d98c147e7e263132
SHA1 21f39d3d0dd5f7198d67ef30e95d10ae3460093e
SHA512 fb1161b8571d1d0c67e2df0d571b08f5e7a73f81409aed847344154d02406910629181bcce4e18e998ec472f51a6a1b40d956a010abdd10e850413aafa87808a
SSDEEP 48:CzHDh3jgWMynQfXKsJ3eAn67wN4VDm0pmoZSeJY8JTaCILFoyTFS7lWsaEaSueq:S18WMynkXKOOATEVUPnS7s9TShqTM
MD5 SHA1 SHA512 SSDEEP

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
behavioral8/memory/3180-0-0x0000000075840000-0x0000000075849000-memory.dmp	acprotect
behavioral8/memory/3180-1-0x0000000075840000-0x0000000075849000-memory.dmp	acprotect

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral8/memory/3180-0-0x0000000075840000-0x0000000075849000-memory.dmp	upx
behavioral8/memory/3180-1-0x0000000075840000-0x0000000075849000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1288	3180	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 1608 wrote to memory of 3180	1608	rundll32.exe	82
PID 1608 wrote to memory of 3180	1608	rundll32.exe	82
PID 1608 wrote to memory of 3180	1608	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SelfDel.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1608
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SelfDel.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3180
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3180 -s 616
    3⤵
    - Program crash
    PID:1288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3180 -ip 3180
1⤵
PID:4176

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/3180-0-0x0000000075840000-0x0000000075849000-memory.dmp

Download

memory/3180-1-0x0000000075840000-0x0000000075849000-memory.dmp