16f5f535c4d2d36a08a547250ca14b8af09017e8e6af6aa2ce609948ed2db70b

Analysis

max time kernel
60s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
11-10-2022 12:23

Target

16f5f535c4d2d36a08a547250ca14b8af09017e8e6af6aa2ce609948ed2db70b.dll
Size

135KB
MD5

21e724350d0d43851cd5c880e1d3df20
SHA1

0aaffa5a214933971f9ca46a4d621fd6ae6dcb6f
SHA256

16f5f535c4d2d36a08a547250ca14b8af09017e8e6af6aa2ce609948ed2db70b
SHA512

1584e3d80ee2055218a10837af752c652f56a6a63398b13c5238a0a4c88b881c4644bfed7b54b7c00e49c18262e37c0e2d58c4f73e65184eb182d04f15ab65f1
SSDEEP

3072:mcVJPJGphiNDKm2qqIkQYAkclKg8Tlf+zsdQ1bMur+LNp:mcVJPJNYQYncl38Td+4dQ15rG

Score

8^/10

upx

Executes dropped EXE 1 IoCs

pid	Process
3876	regsvr32mgr.exe

UPX packed file 1 IoCs

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

resource	yara_rule
behavioral2/memory/3876-137-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
3876	regsvr32mgr.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
208	3876	WerFault.exe	85

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4100 wrote to memory of 1584	4100	regsvr32.exe	84
PID 4100 wrote to memory of 1584	4100	regsvr32.exe	84
PID 4100 wrote to memory of 1584	4100	regsvr32.exe	84
PID 1584 wrote to memory of 3876	1584	regsvr32.exe	85
PID 1584 wrote to memory of 3876	1584	regsvr32.exe	85
PID 1584 wrote to memory of 3876	1584	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\16f5f535c4d2d36a08a547250ca14b8af09017e8e6af6aa2ce609948ed2db70b.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4100
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\16f5f535c4d2d36a08a547250ca14b8af09017e8e6af6aa2ce609948ed2db70b.dll
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1584
- - C:\Windows\SysWOW64\regsvr32mgr.exe
    C:\Windows\SysWOW64\regsvr32mgr.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:3876
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3876 -s 480
      4⤵
      Program crash
      PID:208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3876 -ip 3876
1⤵
PID:3508

C:\Users\Admin\AppData\Local\Temp\~TMFA91.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
C:\Windows\SysWOW64\regsvr32mgr.exe

Filesize
106KB

MD5
fe36fb1073e6f8fa14d7250501a29aaf

SHA1
6c7e01278362797dabcff3e666b68227cb9af10f

SHA256
f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

SHA512
8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

Download Submit
C:\Windows\SysWOW64\regsvr32mgr.exe

Filesize
106KB

MD5
fe36fb1073e6f8fa14d7250501a29aaf

SHA1
6c7e01278362797dabcff3e666b68227cb9af10f

SHA256
f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

SHA512
8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

Download Submit
memory/3876-137-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3876-138-0x0000000000680000-0x00000000006AA000-memory.dmp

Filesize
168KB

Download
memory/3876-139-0x0000000077C70000-0x0000000077E13000-memory.dmp

Filesize
1.6MB

Download