73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
300s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
20/02/2024, 05:27

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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
4992	b2e.exe
4844	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4844	cpuminer-sse2.exe
4844	cpuminer-sse2.exe
4844	cpuminer-sse2.exe
4844	cpuminer-sse2.exe
4844	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4144-5-0x0000000000400000-0x000000000393A000-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 4144 wrote to memory of 4992	4144	batexe.exe	75
PID 4144 wrote to memory of 4992	4144	batexe.exe	75
PID 4144 wrote to memory of 4992	4144	batexe.exe	75
PID 4992 wrote to memory of 3872	4992	b2e.exe	76
PID 4992 wrote to memory of 3872	4992	b2e.exe	76
PID 4992 wrote to memory of 3872	4992	b2e.exe	76
PID 3872 wrote to memory of 4844	3872	cmd.exe	79
PID 3872 wrote to memory of 4844	3872	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:4144
- C:\Users\Admin\AppData\Local\Temp\DAB0.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\DAB0.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\DAB0.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:4992
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DFC1.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3872
  - - 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:4844

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\DAB0.tmp\b2e.exe

Filesize
7.9MB

MD5
566465d086aeb2dfc4d6e02d7d21b779

SHA1
0bb08763955ddd25b61b0f7be6248ccc94ccf2cc

SHA256
493a16da0174b183a63a63cb4d62e603ef4de902d65ef5420bd193b2009c06a3

SHA512
48e14f1f66483daeb14a14e2705f2514a0211a1a6348af6406293b6e5362aaffcbb6c360a6ce03e7c91c9ed2512941154af299466245c5bde2f4ad3ef3414fa6

Download Submit
C:\Users\Admin\AppData\Local\Temp\DAB0.tmp\b2e.exe

Filesize
9.5MB

MD5
130d0aa46a0e76ed47aef5cff688ee43

SHA1
0e67edd626a10f457a1e5fba3126db88d8b35eeb

SHA256
65ae58b6975b68777904a66875a8b3268d4f9524c5dbd3051846ce5e06c3992f

SHA512
38402bf6cac961f22356e0013c8c9ce486539bda5c8697b8ac2c40417e70e7df05989c84246d299b12d4c1dc9ffaa738e26ece61f7ce5e0d929e0d067043ee7e

Download Submit
C:\Users\Admin\AppData\Local\Temp\DFC1.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
3.6MB

MD5
ee3d71edce31ce47e4a027297b0c5a61

SHA1
070357da30e793b37c21170f4e1afc5bb5f27ae3

SHA256
bab3f21fe94d25a4506d3c0f3e6c8d2c00c5517b7fdd22dc4f759a37e45bbee9

SHA512
c3e6f45a203dae7141d9f80504705319e68061839e0b4220a6aee494e8148382eed0d9c6cf7a94cb3522422f9f1bf88693002bbb230dc166d5500dadbb1fae5c

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\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
4.6MB

MD5
e34c1de2c8dd49e0502effb35f0d457a

SHA1
1fd05e894fd39b6c3b836d310201ec16b9eb56dd

SHA256
12f4a080d1fa53d3560beb477e8c5015fabb56ea009ff992eeecfe3866fcdb5f

SHA512
ed6ee50fc831321d03ca2964d099f77d9309d509dea99919dccc3ee3d324a4c1a8f651ababcddc69318ecde019c58f02cb24011f22a2345946510af92b4815b6

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

Filesize
4.1MB

MD5
5354b483c1b55e0c41df0ff4cf4e430f

SHA1
53c50c5cc39bd87a89473dddfb89c581bdb8e8f7

SHA256
5fbe4627824a620ef6d2a2383374e3985e63c0fe482a965f76d587d699561091

SHA512
592a0cb411eacf481833e4923d70de137762989e343f717f1374e7938c6bc24048dcf6c428769f7f34c16d266fe285607e2d656859c50276d406918388fe1f5c

Download Submit
memory/4144-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4844-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4844-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4844-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4844-42-0x0000000064120000-0x00000000641B8000-memory.dmp

Filesize
608KB

Download
memory/4844-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4844-44-0x00000000010F0000-0x00000000029A5000-memory.dmp

Filesize
24.7MB

Download
memory/4844-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4844-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4844-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4844-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4844-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4844-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4844-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4992-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4992-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download