b079a80415982a8aa3daa150953b48701d7502aa58e1d562de8f911c132f10b0

Analysis

max time kernel
15s
max time network
17s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
20-12-2024 00:28

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General

Target

b079a80415982a8aa3daa150953b48701d7502aa58e1d562de8f911c132f10b0N.dll
Size

123KB
MD5

fd69ce71d5c0f7df5bc39843f6db52c0
SHA1

2a58116ba8738dba53cff79533b8366f9e3d3530
SHA256

b079a80415982a8aa3daa150953b48701d7502aa58e1d562de8f911c132f10b0
SHA512

5cf0bc4e465b11b8b06f0d4302d04b19d0b74ef477b9dbcf7e86a8f728cbdc3ae83e62b2df1ae68c26047ac6f8b9bba9c1131317f35b1c679e4491275fbb6974
SSDEEP

1536:+k4CEi1tQDbHLiYXGsnv5u3lFf7A0jbgEQ277yKPJe6TL:+k4CEi1giwzvE7fLbaKJL

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2592	regsvr32mgr.exe

Loads dropped DLL 9 IoCs

pid	Process
2184	regsvr32.exe
2184	regsvr32.exe
2192	WerFault.exe
2192	WerFault.exe
2192	WerFault.exe
2192	WerFault.exe
2192	WerFault.exe
2192	WerFault.exe
2192	WerFault.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\regsvr32mgr.exe	regsvr32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2192	2592	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	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32mgr.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 2184	2524	regsvr32.exe	30
PID 2524 wrote to memory of 2184	2524	regsvr32.exe	30
PID 2524 wrote to memory of 2184	2524	regsvr32.exe	30
PID 2524 wrote to memory of 2184	2524	regsvr32.exe	30
PID 2524 wrote to memory of 2184	2524	regsvr32.exe	30
PID 2524 wrote to memory of 2184	2524	regsvr32.exe	30
PID 2524 wrote to memory of 2184	2524	regsvr32.exe	30
PID 2184 wrote to memory of 2592	2184	regsvr32.exe	31
PID 2184 wrote to memory of 2592	2184	regsvr32.exe	31
PID 2184 wrote to memory of 2592	2184	regsvr32.exe	31
PID 2184 wrote to memory of 2592	2184	regsvr32.exe	31
PID 2592 wrote to memory of 2192	2592	regsvr32mgr.exe	32
PID 2592 wrote to memory of 2192	2592	regsvr32mgr.exe	32
PID 2592 wrote to memory of 2192	2592	regsvr32mgr.exe	32
PID 2592 wrote to memory of 2192	2592	regsvr32mgr.exe	32

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b079a80415982a8aa3daa150953b48701d7502aa58e1d562de8f911c132f10b0N.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\b079a80415982a8aa3daa150953b48701d7502aa58e1d562de8f911c132f10b0N.dll
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2184
- - C:\Windows\SysWOW64\regsvr32mgr.exe
    C:\Windows\SysWOW64\regsvr32mgr.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2592
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2592 -s 100
      4⤵
      Loads dropped DLL
      Program crash
      PID:2192

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

\Windows\SysWOW64\regsvr32mgr.exe

Filesize
116KB

MD5
242f5fffb519c398b15866ca79206620

SHA1
48a4f008d6c304992499f820ebc7a707e358545e

SHA256
0c8b4e7d06339dadeb05599c49e3e167bb1bc9153b418fdcf37e9e4e2622cbf6

SHA512
d7b86f66e11a6eea286ac2d911241c336c703c30a8f343529fdb1323b1c724f3fd8d19a8f76b998a57c04ca317681f5d99066c8fafabce2ff445599fbce5bc47

Download Submit
memory/2184-1-0x0000000074C50000-0x0000000074C73000-memory.dmp

Filesize
140KB

Download
memory/2184-3-0x0000000000200000-0x000000000027B000-memory.dmp

Filesize
492KB

Download
memory/2592-10-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/2592-18-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download