73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
max time network
301s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
23-02-2024 15:43

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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
4736	b2e.exe
2132	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2132	cpuminer-sse2.exe
2132	cpuminer-sse2.exe
2132	cpuminer-sse2.exe
2132	cpuminer-sse2.exe
2132	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2008-4-0x0000000000400000-0x000000000393A000-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 2008 wrote to memory of 4736	2008	batexe.exe	74
PID 2008 wrote to memory of 4736	2008	batexe.exe	74
PID 2008 wrote to memory of 4736	2008	batexe.exe	74
PID 4736 wrote to memory of 4484	4736	b2e.exe	75
PID 4736 wrote to memory of 4484	4736	b2e.exe	75
PID 4736 wrote to memory of 4484	4736	b2e.exe	75
PID 4484 wrote to memory of 2132	4484	cmd.exe	78
PID 4484 wrote to memory of 2132	4484	cmd.exe	78

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Users\Admin\AppData\Local\Temp\74B3.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\74B3.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\74B3.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:4736
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7688.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4484
  - - 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:2132

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\74B3.tmp\b2e.exe

Filesize
6.7MB

MD5
578e4f84152a38d91583359b85cef08d

SHA1
cff1f40bf8eec68786a6dff5369c1572a8366cf0

SHA256
2b5e32474a620a64a270cd9148acb32c058eabeed652b35171ca2683ed6711f6

SHA512
0c090ea09cd6303214e5746612a9657f1c877bd2b7633a0951505f94cd5e347b86f00391ddfc00dc09dd63b03e1def02a9b1a28ded24c9e97262a9319416ac8a

Download Submit
C:\Users\Admin\AppData\Local\Temp\74B3.tmp\b2e.exe

Filesize
7.2MB

MD5
8d61ab174daf892885b5cca43cf3e575

SHA1
dfc9677856f85d5903319aa89569167c82773f97

SHA256
b7202ffc499db71f29c7d286911fcd06e9650c4641d5ed764781612e66d5ea72

SHA512
eb9b48922938a5f0904a1ce6907018e84e175b96816da37b1f9980b14a5efa02dfe97e933233ee297105dbde25675144983fc5931f6169e511bddf9adaa42a46

Download Submit
C:\Users\Admin\AppData\Local\Temp\7688.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\libcurl-4.dll

Filesize
836KB

MD5
aeab40ed9a8e627ea7cefc1f5cf9bf7a

SHA1
5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

SHA256
218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

SHA512
c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

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
3.4MB

MD5
f2b398c16f79c3c197071cb47146efbd

SHA1
59e884f44bec19f8d5018bb5b8f79e79b98b69c3

SHA256
c3be97bd0e7ea842120b24afd7fa0ad1435d0a8eb0ecb36a611c6de105c98f23

SHA512
31c48626b43e32efa3b120894e77b75ed3542c96e9e858beaeac512740b7728b061b7ec70db496403e81ef493741ed13045d3c9608a53be181c8a77180191244

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

Filesize
4.7MB

MD5
9c2f0e8b07d0f21e341762691afe1a35

SHA1
88a8ad67009b25517f515dbea71567bdfcadbe0c

SHA256
e4be701a88beed21d7987e31abb62c1f266eb6c12d29a85de4603fe624631020

SHA512
ea35de1fbad6f783a4ce2f7e4e77fb248d37d0f8a1ebb629bb96f9f8981bb5a13def212a6db45db763a2d5ca447b7359f19a3f2abc7b1e8fb6bd8cf387d59c7d

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

Filesize
4.0MB

MD5
44ca3c0a0baf43afa17397f0003f34bf

SHA1
b948b80305e0502fd022b740da78b8eaf2c638ae

SHA256
457fb11332fa5629b3629a5669d1b701f50e1317acac3a7afde3f929838fd284

SHA512
1e3a5fef9a48b8e917157e921ccb9ac0875b877b07267f23d344ea05093afa211199e905c06fe1fa14bf2ae81e03ad93c42b6d3951938634a2c5f1be55415625

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2008-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2132-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2132-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2132-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-43-0x00000000596F0000-0x0000000059788000-memory.dmp

Filesize
608KB

Download
memory/2132-44-0x00000000010F0000-0x00000000029A5000-memory.dmp

Filesize
24.7MB

Download
memory/2132-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4736-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4736-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download