73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
299s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
22/02/2024, 12:08

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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
4520	b2e.exe
4712	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4712	cpuminer-sse2.exe
4712	cpuminer-sse2.exe
4712	cpuminer-sse2.exe
4712	cpuminer-sse2.exe
4712	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2308-5-0x0000000000400000-0x000000000393A000-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 2308 wrote to memory of 4520	2308	batexe.exe	75
PID 2308 wrote to memory of 4520	2308	batexe.exe	75
PID 2308 wrote to memory of 4520	2308	batexe.exe	75
PID 4520 wrote to memory of 1924	4520	b2e.exe	76
PID 4520 wrote to memory of 1924	4520	b2e.exe	76
PID 4520 wrote to memory of 1924	4520	b2e.exe	76
PID 1924 wrote to memory of 4712	1924	cmd.exe	79
PID 1924 wrote to memory of 4712	1924	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:2308
- C:\Users\Admin\AppData\Local\Temp\7C44.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\7C44.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\7C44.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:4520
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7DFA.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1924
  - - 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:4712

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\7C44.tmp\b2e.exe

Filesize
5.8MB

MD5
f87d30321e28c501ad2167b3078d9c61

SHA1
94695d905cc5aa13ef18bd1a7f5fa6f2925a2f30

SHA256
fc77c11cca702463895d04df2040f6e56a67414ef89571ad94310e2df77f54d0

SHA512
923b127e35bd91d3a3895384cfba1805c86dd7a957788da3d25b3703b5313e62cd5771a227bb34d38fa54d0c5f23c6bca99210ee2349ff06bad3a9c5619618ce

Download Submit
C:\Users\Admin\AppData\Local\Temp\7C44.tmp\b2e.exe

Filesize
5.6MB

MD5
8fadb08523a6c198237c5221a4dbd334

SHA1
f1feddd7dad45b671fdf3ffdf33e91999cbcf34a

SHA256
8cd39a1eaa5572e5f99df367939272b15e48942bbce8a92ea73c0e2779d5f5be

SHA512
03e5cb0a88274329e85fdc116ddf155cd9c2ed52f28f120c7074fcf7e9e92838fc8eb77f6da7e071d75603c2a667ceb69a200324b69d88ffa2b4276c73643122

Download Submit
C:\Users\Admin\AppData\Local\Temp\7DFA.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
3.3MB

MD5
78a55905c07966ad5deada8e277928ae

SHA1
d86ce25cf75b4db3da11bc2c9598517dc06fc3d6

SHA256
9c65526862f33c1349e99a1e4294ae695d16a16eb719c9a124c50e1e535a16fe

SHA512
470a1bacb65f3840bfba5a7a9ead04f1eec7de7713a0d50d79b4f3563db98914a8d957f6936c6f6fa0a77d807ccc3aa43df3cec80b0a1d8b2cbf86fb340bbc2a

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

Filesize
2.9MB

MD5
9920b2b67e9c300486104a85d8609bc4

SHA1
889fe1f1375653ccc222d37a912478326e960a64

SHA256
09a7ec7cecad9ed39b662f01deafc0b76a81312fd2ffdc38f862c85ef72d3318

SHA512
34115cee92ab7341749cbc933f4809bacbd7d82fc9e7ce3182e3f2c3837a6888fc6a42a43b109e8d3471d8a46140448f2d1c3a29ef44a3c76c0b257dac611544

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

Filesize
3.6MB

MD5
7acd99b8c2dc1e66f88d04f9dda17ea5

SHA1
c49d0b6b3786e3eaef90c4748502083824249e5c

SHA256
37121af64845d83933c57ccc5f8d276ecf49a4b527794e543c5308f66ca59093

SHA512
e008941164a1db43ab7afab57a33cfa526eabd4202a14f031f9727a8794c5de35f23179158e615da42cfd3c15bdee16dcf24ec34daefdf1feb5fc9e679870adb

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2308-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4520-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4520-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4712-42-0x000000006D920000-0x000000006D9B8000-memory.dmp

Filesize
608KB

Download
memory/4712-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4712-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4712-44-0x0000000001080000-0x0000000002935000-memory.dmp

Filesize
24.7MB

Download
memory/4712-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4712-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4712-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4712-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4712-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4712-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4712-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4712-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4712-83-0x000000006D920000-0x000000006D9B8000-memory.dmp

Filesize
608KB

Download
memory/4712-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4712-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4712-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4712-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download