73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
294s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
21-02-2024 03:10

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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
4008	b2e.exe
4892	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4892	cpuminer-sse2.exe
4892	cpuminer-sse2.exe
4892	cpuminer-sse2.exe
4892	cpuminer-sse2.exe
4892	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1488-5-0x0000000000400000-0x000000000393A000-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 1488 wrote to memory of 4008	1488	batexe.exe	76
PID 1488 wrote to memory of 4008	1488	batexe.exe	76
PID 1488 wrote to memory of 4008	1488	batexe.exe	76
PID 4008 wrote to memory of 432	4008	b2e.exe	77
PID 4008 wrote to memory of 432	4008	b2e.exe	77
PID 4008 wrote to memory of 432	4008	b2e.exe	77
PID 432 wrote to memory of 4892	432	cmd.exe	80
PID 432 wrote to memory of 4892	432	cmd.exe	80

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Users\Admin\AppData\Local\Temp\A74C.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\A74C.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\A74C.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:4008
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\A930.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:432
  - - 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:4892

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\A74C.tmp\b2e.exe

Filesize
10.9MB

MD5
4afcc5ba151bdf59a9fd70244815ad76

SHA1
5cd74f11d0c41c97ccd0755a7a0cfc0df1ca753f

SHA256
91acecbc8a77a80ae3822c7e9595218074fa9f9d37239f92eed97a9c50bc4626

SHA512
d49f60f62a1e41bb73750daae7f61121941c2e0b6b54957f97c6366d3939fd0d3ad3a6dbca644de969c8ed8b7c52c37f7fe247efa1e7638bfb6846c9b924292d

Download Submit
C:\Users\Admin\AppData\Local\Temp\A74C.tmp\b2e.exe

Filesize
12.5MB

MD5
5210c778278be3a724ddf68a1c0ce3de

SHA1
7762909a07a92339da1263289cebedb6bf8cc622

SHA256
40ebb6da043acffb6c3cada3202e06453370744cb7c68cf3730dba85b9ce6f8f

SHA512
8c5d98a0432ec8f5fcbcd0249f0c140f23af995965dced1394405a3a010201d6257c6b4a774e288a89a1679e8dc6dce5dcf2351020105692c0565421e926468d

Download Submit
C:\Users\Admin\AppData\Local\Temp\A930.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
2.3MB

MD5
4c04147c386ba8792ac6a03069572a8a

SHA1
dda67789fc1d0f2469ca95f01a5c81034853ca6a

SHA256
c7739a1e940a282703d06eccda7110426d306f390e97fdbbd9df18472fd132cd

SHA512
a8b5a0b878a9a7d30cb38feff814e1f4dce24d000158edc10a43ee9a89920bedf7adc92eb7e3913098b6aab7fbd0531f56fc09f508b5c2769992a94e55d153db

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

Filesize
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

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

Filesize
8.0MB

MD5
1adc450f10b42f112729c6c4bdb76901

SHA1
74cdf37e2e7d7f4ef54f7ea5fece10df513e451d

SHA256
c14e6d536b9678378ce5fc87c61cc933d552bfa2e8d7f4f3d5f97771630d8039

SHA512
0c25893c80b6d1719e0e518a670221edb5746ea81be0950c839b576e5bee02367c0736cee79c09ceba50037da6cf8e66b9b08fd3ea2d5b9294dd19f5bda01ad6

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

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\libstdc++-6.dll

Filesize
7.6MB

MD5
ce7316d03d6c7f719632f78ada3a5eff

SHA1
7a959215ec90b77701b94fe00208f3a86c6d7e60

SHA256
c7f6b36f8bfa5ee66714baa59a162670e96313ec3b49cba9d577c9953aa57d57

SHA512
9eca724c25c4cdd65ec311c704c487c36e90ae51ba4ecfe4d43aee746c3fdd3fdc7248f6b231ba7e6ea70df53a250f9f1f8fe1cb13334f754d7f5a7140a66af6

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

Filesize
6.6MB

MD5
ef75aecf91191a680ba123f7099c79ec

SHA1
94bdaad70e0eddb27e0da36527534a9eb68bc0c5

SHA256
3f477ca4b345d00d5c4ae5c8187e0bfb339ba1678670767b08a3b370a6c7b820

SHA512
e73e04c4067ffc71b1d057aacb75b4c18ea14a7d24a216abf092ecc74792c349ef34897b178092d357a0670d4ffd2ef2aadc23de54992880a3be87a6737b634b

Download Submit
memory/1488-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4008-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4008-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4892-43-0x0000000051EF0000-0x0000000051F88000-memory.dmp

Filesize
608KB

Download
memory/4892-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4892-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4892-44-0x0000000001070000-0x0000000002925000-memory.dmp

Filesize
24.7MB

Download
memory/4892-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4892-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4892-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4892-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4892-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4892-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4892-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4892-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4892-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download