87be197e7bbaf9470632ac5d501ddbc28bc2cc44a528fcd0151d5361f6fea1ff

Analysis

max time kernel
3s
max time network
128s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
04/12/2022, 02:08

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General

Target

87be197e7bbaf9470632ac5d501ddbc28bc2cc44a528fcd0151d5361f6fea1ff.dll
Size

184KB
MD5

2adf539027acb9ad91b89f339241f8fd
SHA1

fa9accd7f1bc16254d144090dacf2bef7a7e6bd0
SHA256

87be197e7bbaf9470632ac5d501ddbc28bc2cc44a528fcd0151d5361f6fea1ff
SHA512

43ffcad4f8d68c949874c9e8ea8c182c5f4e1641340990bc5e1f8edbfdf7706a8c92dcad5b81caa0569a2f09244efb31315acfd3d72bbc984ec294f771628db8
SSDEEP

3072:Ln4cV8gf2u41Z5tKlwU+1lSepZ2LD1fvEXqbeE:z4y8gOl2YHSepZUlf

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
532	rundll32mgr.exe

Loads dropped DLL 9 IoCs

pid	Process
1492	rundll32.exe
1492	rundll32.exe
936	WerFault.exe
936	WerFault.exe
936	WerFault.exe
936	WerFault.exe
936	WerFault.exe
936	WerFault.exe
936	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
936	532	WerFault.exe	29

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 796 wrote to memory of 1492	796	rundll32.exe	28
PID 796 wrote to memory of 1492	796	rundll32.exe	28
PID 796 wrote to memory of 1492	796	rundll32.exe	28
PID 796 wrote to memory of 1492	796	rundll32.exe	28
PID 796 wrote to memory of 1492	796	rundll32.exe	28
PID 796 wrote to memory of 1492	796	rundll32.exe	28
PID 796 wrote to memory of 1492	796	rundll32.exe	28
PID 1492 wrote to memory of 532	1492	rundll32.exe	29
PID 1492 wrote to memory of 532	1492	rundll32.exe	29
PID 1492 wrote to memory of 532	1492	rundll32.exe	29
PID 1492 wrote to memory of 532	1492	rundll32.exe	29
PID 532 wrote to memory of 936	532	rundll32mgr.exe	30
PID 532 wrote to memory of 936	532	rundll32mgr.exe	30
PID 532 wrote to memory of 936	532	rundll32mgr.exe	30
PID 532 wrote to memory of 936	532	rundll32mgr.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\87be197e7bbaf9470632ac5d501ddbc28bc2cc44a528fcd0151d5361f6fea1ff.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:796
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\87be197e7bbaf9470632ac5d501ddbc28bc2cc44a528fcd0151d5361f6fea1ff.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1492
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:532
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 532 -s 100
      4⤵
      Loads dropped DLL
      Program crash
      PID:936

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
92KB

MD5
926010db02a1f272cc0f2cfe2e96f001

SHA1
7211fe3c943c9c3e9c0b78879a5b7cdf86bcc2bb

SHA256
1bbcf3c537e0eb0c5023eb15fdb45bcded037c248818e9b3ca9dcd1931fa1581

SHA512
e58032e57888bc677febdcbbe0ed79564c05f0e703857278c8ac80d50706a55af07941bbf0b91fd6b31ce00c2e08ef0657e0606d2df2f716fd532f81660f9e16

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
92KB

MD5
926010db02a1f272cc0f2cfe2e96f001

SHA1
7211fe3c943c9c3e9c0b78879a5b7cdf86bcc2bb

SHA256
1bbcf3c537e0eb0c5023eb15fdb45bcded037c248818e9b3ca9dcd1931fa1581

SHA512
e58032e57888bc677febdcbbe0ed79564c05f0e703857278c8ac80d50706a55af07941bbf0b91fd6b31ce00c2e08ef0657e0606d2df2f716fd532f81660f9e16

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
92KB

MD5
926010db02a1f272cc0f2cfe2e96f001

SHA1
7211fe3c943c9c3e9c0b78879a5b7cdf86bcc2bb

SHA256
1bbcf3c537e0eb0c5023eb15fdb45bcded037c248818e9b3ca9dcd1931fa1581

SHA512
e58032e57888bc677febdcbbe0ed79564c05f0e703857278c8ac80d50706a55af07941bbf0b91fd6b31ce00c2e08ef0657e0606d2df2f716fd532f81660f9e16

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
92KB

MD5
926010db02a1f272cc0f2cfe2e96f001

SHA1
7211fe3c943c9c3e9c0b78879a5b7cdf86bcc2bb

SHA256
1bbcf3c537e0eb0c5023eb15fdb45bcded037c248818e9b3ca9dcd1931fa1581

SHA512
e58032e57888bc677febdcbbe0ed79564c05f0e703857278c8ac80d50706a55af07941bbf0b91fd6b31ce00c2e08ef0657e0606d2df2f716fd532f81660f9e16

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
92KB

MD5
926010db02a1f272cc0f2cfe2e96f001

SHA1
7211fe3c943c9c3e9c0b78879a5b7cdf86bcc2bb

SHA256
1bbcf3c537e0eb0c5023eb15fdb45bcded037c248818e9b3ca9dcd1931fa1581

SHA512
e58032e57888bc677febdcbbe0ed79564c05f0e703857278c8ac80d50706a55af07941bbf0b91fd6b31ce00c2e08ef0657e0606d2df2f716fd532f81660f9e16

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
92KB

MD5
926010db02a1f272cc0f2cfe2e96f001

SHA1
7211fe3c943c9c3e9c0b78879a5b7cdf86bcc2bb

SHA256
1bbcf3c537e0eb0c5023eb15fdb45bcded037c248818e9b3ca9dcd1931fa1581

SHA512
e58032e57888bc677febdcbbe0ed79564c05f0e703857278c8ac80d50706a55af07941bbf0b91fd6b31ce00c2e08ef0657e0606d2df2f716fd532f81660f9e16

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
92KB

MD5
926010db02a1f272cc0f2cfe2e96f001

SHA1
7211fe3c943c9c3e9c0b78879a5b7cdf86bcc2bb

SHA256
1bbcf3c537e0eb0c5023eb15fdb45bcded037c248818e9b3ca9dcd1931fa1581

SHA512
e58032e57888bc677febdcbbe0ed79564c05f0e703857278c8ac80d50706a55af07941bbf0b91fd6b31ce00c2e08ef0657e0606d2df2f716fd532f81660f9e16

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
92KB

MD5
926010db02a1f272cc0f2cfe2e96f001

SHA1
7211fe3c943c9c3e9c0b78879a5b7cdf86bcc2bb

SHA256
1bbcf3c537e0eb0c5023eb15fdb45bcded037c248818e9b3ca9dcd1931fa1581

SHA512
e58032e57888bc677febdcbbe0ed79564c05f0e703857278c8ac80d50706a55af07941bbf0b91fd6b31ce00c2e08ef0657e0606d2df2f716fd532f81660f9e16

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
92KB

MD5
926010db02a1f272cc0f2cfe2e96f001

SHA1
7211fe3c943c9c3e9c0b78879a5b7cdf86bcc2bb

SHA256
1bbcf3c537e0eb0c5023eb15fdb45bcded037c248818e9b3ca9dcd1931fa1581

SHA512
e58032e57888bc677febdcbbe0ed79564c05f0e703857278c8ac80d50706a55af07941bbf0b91fd6b31ce00c2e08ef0657e0606d2df2f716fd532f81660f9e16

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
92KB

MD5
926010db02a1f272cc0f2cfe2e96f001

SHA1
7211fe3c943c9c3e9c0b78879a5b7cdf86bcc2bb

SHA256
1bbcf3c537e0eb0c5023eb15fdb45bcded037c248818e9b3ca9dcd1931fa1581

SHA512
e58032e57888bc677febdcbbe0ed79564c05f0e703857278c8ac80d50706a55af07941bbf0b91fd6b31ce00c2e08ef0657e0606d2df2f716fd532f81660f9e16

Download Submit
memory/532-68-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1492-55-0x00000000767B1000-0x00000000767B3000-memory.dmp

Filesize
8KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads