73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
298s
max time network
296s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
17-02-2024 18:24

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
4784	b2e.exe
4132	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4132	cpuminer-sse2.exe
4132	cpuminer-sse2.exe
4132	cpuminer-sse2.exe
4132	cpuminer-sse2.exe
4132	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4696-4-0x0000000000400000-0x000000000393A000-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 4696 wrote to memory of 4784	4696	batexe.exe	75
PID 4696 wrote to memory of 4784	4696	batexe.exe	75
PID 4696 wrote to memory of 4784	4696	batexe.exe	75
PID 4784 wrote to memory of 228	4784	b2e.exe	76
PID 4784 wrote to memory of 228	4784	b2e.exe	76
PID 4784 wrote to memory of 228	4784	b2e.exe	76
PID 228 wrote to memory of 4132	228	cmd.exe	79
PID 228 wrote to memory of 4132	228	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:4696
- C:\Users\Admin\AppData\Local\Temp\CBD.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\CBD.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\CBD.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:4784
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\175B.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:228
  - - 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:4132

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\175B.tmp\batchfile.bat

Filesize
136B

MD5
8ea7ac72a10251ecfb42ef4a88bd330a

SHA1
c30f6af73a42c0cc89bd20fe95f9159d6f0756c5

SHA256
65e2674fc9b921a76deaf3740603359794c04e059e8937ab36eb931d65f40ec9

SHA512
a908979d588625aa24eb81238d07d88a56be5388e1265ebd2fe09889ed807aa9a4af77107e72a843c31acadbe06db0d7f6f6a3c95fb481a71e549e8eb74c2ff0

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

Filesize
1.4MB

MD5
fe4bc2bb4397eea601e0fa6c45cc20c6

SHA1
35477fc0a38f9db357a70f9b0573537fca582a9b

SHA256
8852fb3a8294753e6b088d458547feaf54685068ed6bc0dece93f608ab44afa7

SHA512
3759f54232069d2efba631954ff86bbf5ef58a616e4e0109c9ad5fcd632ee97ddf169ebddbe58237dbee36951c8d2e176312abe4e142f636398bff8fc2973bbf

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

Filesize
1.8MB

MD5
f51fe7ed64e17eb639e2b77a503596fc

SHA1
9de36c8a5bd8a21c006aabe8c222294852a802f1

SHA256
706fdab761081f7c0cbe20066009c226b25636178215be354891409ae09eecc7

SHA512
ffd4c6f3d081da80edc1bdcc52052d9965c854f7f4fe83e655da803a0fc5f9c261219ec8e12b45ba432cec0d740d314e2be5700a592e581b9f057bccfe516fca

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
1.6MB

MD5
58c2fe0225366050285f4f8975be6441

SHA1
8bcb0999e5a7b761a08b37913535735c4313991d

SHA256
3c88166546369078293bfdb738ed60ac25a42eee12a3b2152e76b1990a6f4bfb

SHA512
2dd96075d4124c050204573761067e69c9efa26ae9870104a13df07f4852c6a942f289749da2d9416b6e9616e8c974c7436d6fea633186f3fd97bcf7a68f8a0d

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
1.1MB

MD5
33e18bbb95eb77d6b941a9f26943489a

SHA1
0655e51f43ef1b6f1a9696c7184cba239fd21980

SHA256
e20754ff8579f52f993c89bf63eb97ef0d3b7187563e74b2d80d8044e9ab6dd9

SHA512
7edc4e17b4220891743c37639eca753159e4dedfd27c27ac48855cedfb2f6b6252bf3893a84ca3a6b604ce2784701fb813ec4c8d9b781e474a55639956d44447

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
1.6MB

MD5
c291f0d2ae7882789141f61a0f216d2a

SHA1
b69528674135875f07b1bc244d414e429c9d6b11

SHA256
586528496617f4d8674e5549c9ba9d7953850a139feae989cc1644066dba5aaa

SHA512
81e04eec06f2fa2fbbad8410858c6d2b1a6a9f165502de45ab61e9bdc865edf27740c15ad652208d4729f121249c88aeb22db32cccc7929cc689d91210902981

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

Filesize
1.7MB

MD5
30b6cc8e149bff7305ac34a4305fc9fa

SHA1
243df5207a992e6c1f24bfbc57cad847d648b5b3

SHA256
832d28c1230f54f66c93d6ad05bbdb5cd61d83276ed3a10cb9871702d6b1c336

SHA512
131ecbb57adc3078587088774895eccbf126e956fc8823f6162f7d0d46d2ed45c8269e49a252031bdf43fe588d4b00dfa658b082fc9ee43a7d049506a6b065d6

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

Filesize
1.1MB

MD5
8c484c8e16e65bf6b20beb897d3babf7

SHA1
f50ba3175af59d509d14373d04b053e797175189

SHA256
0b44bba8d360135336409c4204f7570dfc041bd72a160826430d82f5f7960b2e

SHA512
f4aa8913e0e0c8dede27773393fc049eed5fc0d5a98cc75ed102d67c01359f29b8189c3c29fb9bb272e8a5e64b15cae0a47a24a6cc53142ab6906b459ddc7a61

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/4132-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4132-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4132-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4132-43-0x0000000070ED0000-0x0000000070F68000-memory.dmp

Filesize
608KB

Download
memory/4132-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4132-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4132-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4132-44-0x0000000001090000-0x0000000002945000-memory.dmp

Filesize
24.7MB

Download
memory/4132-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4132-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4132-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4132-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4132-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4696-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4784-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4784-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download