dbc7b25437000025f0e11db80b40fc1a616d70b22081fbab175a6e3131b33869

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 03:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

dbc7b25437000025f0e11db80b40fc1a616d70b22081fbab175a6e3131b33869N.dll
Size

124KB
MD5

be69266a274aabd650738259d64992b0
SHA1

677c057e18eb7b316af2725fd470532adf9359ce
SHA256

dbc7b25437000025f0e11db80b40fc1a616d70b22081fbab175a6e3131b33869
SHA512

53c8c7b3ef260208d5fa6473fe69cd277135ae105f1987095981036928781060dda376b1861e6506f7b6f98175f1a53ea80561b7366ea03c4d8e98bd41322b29
SSDEEP

3072:8j6tdCcM7VmKeZ88Dkj7oR2SqwKJXtf5DGyVBQwIY6X4O:8HcvZNDkYR2SqwK/AyVBQ9RIO

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2152	rundll32mgr.exe

Loads dropped DLL 9 IoCs

pid	Process
2908	rundll32.exe
2908	rundll32.exe
1752	WerFault.exe
1752	WerFault.exe
1752	WerFault.exe
1752	WerFault.exe
1752	WerFault.exe
1752	WerFault.exe
1752	WerFault.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1752	2152	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 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	rundll32mgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 2908	2428	rundll32.exe	30
PID 2428 wrote to memory of 2908	2428	rundll32.exe	30
PID 2428 wrote to memory of 2908	2428	rundll32.exe	30
PID 2428 wrote to memory of 2908	2428	rundll32.exe	30
PID 2428 wrote to memory of 2908	2428	rundll32.exe	30
PID 2428 wrote to memory of 2908	2428	rundll32.exe	30
PID 2428 wrote to memory of 2908	2428	rundll32.exe	30
PID 2908 wrote to memory of 2152	2908	rundll32.exe	31
PID 2908 wrote to memory of 2152	2908	rundll32.exe	31
PID 2908 wrote to memory of 2152	2908	rundll32.exe	31
PID 2908 wrote to memory of 2152	2908	rundll32.exe	31
PID 2152 wrote to memory of 1752	2152	rundll32mgr.exe	32
PID 2152 wrote to memory of 1752	2152	rundll32mgr.exe	32
PID 2152 wrote to memory of 1752	2152	rundll32mgr.exe	32
PID 2152 wrote to memory of 1752	2152	rundll32mgr.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dbc7b25437000025f0e11db80b40fc1a616d70b22081fbab175a6e3131b33869N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dbc7b25437000025f0e11db80b40fc1a616d70b22081fbab175a6e3131b33869N.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2908
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2152
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 92
      4⤵
      Loads dropped DLL
      Program crash
      PID:1752

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

Loading Replay Monitor...

Downloads

\Windows\SysWOW64\rundll32mgr.exe

Filesize
88KB

MD5
fe76e62c9c90a4bea8f2c464dc867719

SHA1
f0935e8b6c22dea5c6e9d4127f5c10363deba541

SHA256
5705c47b229c893f67741480ed5e3bce60597b2bb0dd755fb1f499a23888d7d6

SHA512
7d6d5bfb10df493ffea7132807be417b5a283d34a1cd49042390b2b927691fd53ecf8eee459c727844395f34e4230b2cd85b38b7fb7df0a3638b244d0c3f6394

Download Submit
memory/2152-10-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2908-1-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

Download
memory/2908-8-0x0000000000140000-0x0000000000160000-memory.dmp

Filesize
128KB

Download
memory/2908-18-0x0000000000140000-0x0000000000142000-memory.dmp

Filesize
8KB

Download