87f9bba5dd914789feb876364c2518170c9bdf36890b235e0451052a9e9d4873

Analysis

max time kernel
38s
max time network
49s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30/10/2022, 23:10

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General

Target

87f9bba5dd914789feb876364c2518170c9bdf36890b235e0451052a9e9d4873.dll
Size

236KB
MD5

a1aabec8146bc6540705eb17079bd6e0
SHA1

77e87a1744c9425b3e82ea6e26045fc975e9ebdc
SHA256

87f9bba5dd914789feb876364c2518170c9bdf36890b235e0451052a9e9d4873
SHA512

ebfcd299c95d0d272d8a59480a0a552f6e4d128a2150ae6efb5c167d6855c4ba5e862eae657b671b5168a4cff8ae05110280f2b8140065cc899f009e0f7bf151
SSDEEP

3072:QgKKuiX63bw5dNjDh8pWVgTlFIYna8FKfRgHyfFcV0Q8OMADbHOl+iEWMprMfbh:BKZp3KNjVGvPRlhhLy+iGp0

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
976	rundll32mgr.exe

Loads dropped DLL 9 IoCs

pid	Process
940	rundll32.exe
940	rundll32.exe
1252	WerFault.exe
1252	WerFault.exe
1252	WerFault.exe
1252	WerFault.exe
1252	WerFault.exe
1252	WerFault.exe
1252	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
1252	976	WerFault.exe	29

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1980 wrote to memory of 940	1980	rundll32.exe	28
PID 1980 wrote to memory of 940	1980	rundll32.exe	28
PID 1980 wrote to memory of 940	1980	rundll32.exe	28
PID 1980 wrote to memory of 940	1980	rundll32.exe	28
PID 1980 wrote to memory of 940	1980	rundll32.exe	28
PID 1980 wrote to memory of 940	1980	rundll32.exe	28
PID 1980 wrote to memory of 940	1980	rundll32.exe	28
PID 940 wrote to memory of 976	940	rundll32.exe	29
PID 940 wrote to memory of 976	940	rundll32.exe	29
PID 940 wrote to memory of 976	940	rundll32.exe	29
PID 940 wrote to memory of 976	940	rundll32.exe	29
PID 976 wrote to memory of 1252	976	rundll32mgr.exe	30
PID 976 wrote to memory of 1252	976	rundll32mgr.exe	30
PID 976 wrote to memory of 1252	976	rundll32mgr.exe	30
PID 976 wrote to memory of 1252	976	rundll32mgr.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\87f9bba5dd914789feb876364c2518170c9bdf36890b235e0451052a9e9d4873.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1980
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\87f9bba5dd914789feb876364c2518170c9bdf36890b235e0451052a9e9d4873.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:940
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:976
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 976 -s 156
      4⤵
      Loads dropped DLL
      Program crash
      PID:1252

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
121KB

MD5
2180f552bd29f8ad246b749213c4de09

SHA1
c1eb019b1b9216dafc6047efc1d5358268715a85

SHA256
71e27a41bb6487ed9fb16734195d611736b7c9f18a7a122a4ab967f4508ba051

SHA512
ddaf4049098e2ce3403df1f8961d02c79bd5bf9f5e33ad66d4f4bd88cc017df34808a23925913122bf9998547c4b6a1311b8165e479e34dd6104ea3ce6e0a9ca

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
121KB

MD5
2180f552bd29f8ad246b749213c4de09

SHA1
c1eb019b1b9216dafc6047efc1d5358268715a85

SHA256
71e27a41bb6487ed9fb16734195d611736b7c9f18a7a122a4ab967f4508ba051

SHA512
ddaf4049098e2ce3403df1f8961d02c79bd5bf9f5e33ad66d4f4bd88cc017df34808a23925913122bf9998547c4b6a1311b8165e479e34dd6104ea3ce6e0a9ca

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
121KB

MD5
2180f552bd29f8ad246b749213c4de09

SHA1
c1eb019b1b9216dafc6047efc1d5358268715a85

SHA256
71e27a41bb6487ed9fb16734195d611736b7c9f18a7a122a4ab967f4508ba051

SHA512
ddaf4049098e2ce3403df1f8961d02c79bd5bf9f5e33ad66d4f4bd88cc017df34808a23925913122bf9998547c4b6a1311b8165e479e34dd6104ea3ce6e0a9ca

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
121KB

MD5
2180f552bd29f8ad246b749213c4de09

SHA1
c1eb019b1b9216dafc6047efc1d5358268715a85

SHA256
71e27a41bb6487ed9fb16734195d611736b7c9f18a7a122a4ab967f4508ba051

SHA512
ddaf4049098e2ce3403df1f8961d02c79bd5bf9f5e33ad66d4f4bd88cc017df34808a23925913122bf9998547c4b6a1311b8165e479e34dd6104ea3ce6e0a9ca

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
121KB

MD5
2180f552bd29f8ad246b749213c4de09

SHA1
c1eb019b1b9216dafc6047efc1d5358268715a85

SHA256
71e27a41bb6487ed9fb16734195d611736b7c9f18a7a122a4ab967f4508ba051

SHA512
ddaf4049098e2ce3403df1f8961d02c79bd5bf9f5e33ad66d4f4bd88cc017df34808a23925913122bf9998547c4b6a1311b8165e479e34dd6104ea3ce6e0a9ca

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
121KB

MD5
2180f552bd29f8ad246b749213c4de09

SHA1
c1eb019b1b9216dafc6047efc1d5358268715a85

SHA256
71e27a41bb6487ed9fb16734195d611736b7c9f18a7a122a4ab967f4508ba051

SHA512
ddaf4049098e2ce3403df1f8961d02c79bd5bf9f5e33ad66d4f4bd88cc017df34808a23925913122bf9998547c4b6a1311b8165e479e34dd6104ea3ce6e0a9ca

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
121KB

MD5
2180f552bd29f8ad246b749213c4de09

SHA1
c1eb019b1b9216dafc6047efc1d5358268715a85

SHA256
71e27a41bb6487ed9fb16734195d611736b7c9f18a7a122a4ab967f4508ba051

SHA512
ddaf4049098e2ce3403df1f8961d02c79bd5bf9f5e33ad66d4f4bd88cc017df34808a23925913122bf9998547c4b6a1311b8165e479e34dd6104ea3ce6e0a9ca

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
121KB

MD5
2180f552bd29f8ad246b749213c4de09

SHA1
c1eb019b1b9216dafc6047efc1d5358268715a85

SHA256
71e27a41bb6487ed9fb16734195d611736b7c9f18a7a122a4ab967f4508ba051

SHA512
ddaf4049098e2ce3403df1f8961d02c79bd5bf9f5e33ad66d4f4bd88cc017df34808a23925913122bf9998547c4b6a1311b8165e479e34dd6104ea3ce6e0a9ca

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
121KB

MD5
2180f552bd29f8ad246b749213c4de09

SHA1
c1eb019b1b9216dafc6047efc1d5358268715a85

SHA256
71e27a41bb6487ed9fb16734195d611736b7c9f18a7a122a4ab967f4508ba051

SHA512
ddaf4049098e2ce3403df1f8961d02c79bd5bf9f5e33ad66d4f4bd88cc017df34808a23925913122bf9998547c4b6a1311b8165e479e34dd6104ea3ce6e0a9ca

Download Submit
\Windows\SysWOW64\rundll32mgr.exe

Filesize
121KB

MD5
2180f552bd29f8ad246b749213c4de09

SHA1
c1eb019b1b9216dafc6047efc1d5358268715a85

SHA256
71e27a41bb6487ed9fb16734195d611736b7c9f18a7a122a4ab967f4508ba051

SHA512
ddaf4049098e2ce3403df1f8961d02c79bd5bf9f5e33ad66d4f4bd88cc017df34808a23925913122bf9998547c4b6a1311b8165e479e34dd6104ea3ce6e0a9ca

Download Submit
memory/940-55-0x00000000756B1000-0x00000000756B3000-memory.dmp

Filesize
8KB

Download
memory/976-68-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads