73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
max time network
304s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
23/02/2024, 19:11

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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
1292	b2e.exe
3400	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3400	cpuminer-sse2.exe
3400	cpuminer-sse2.exe
3400	cpuminer-sse2.exe
3400	cpuminer-sse2.exe
3400	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3660-6-0x0000000000400000-0x000000000393A000-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 3660 wrote to memory of 1292	3660	batexe.exe	72
PID 3660 wrote to memory of 1292	3660	batexe.exe	72
PID 3660 wrote to memory of 1292	3660	batexe.exe	72
PID 1292 wrote to memory of 3816	1292	b2e.exe	73
PID 1292 wrote to memory of 3816	1292	b2e.exe	73
PID 1292 wrote to memory of 3816	1292	b2e.exe	73
PID 3816 wrote to memory of 3400	3816	cmd.exe	76
PID 3816 wrote to memory of 3400	3816	cmd.exe	76

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3660
- C:\Users\Admin\AppData\Local\Temp\A884.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\A884.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\A884.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:1292
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\AD09.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3816
  - - 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:3400

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\A884.tmp\b2e.exe

Filesize
2.2MB

MD5
b6a558633dc13e01c86f714214bdd894

SHA1
95921cb72467d2a69885d7987fa6990ed3756e81

SHA256
85cd30b679653b5cc0ca0c6cb9e56e841122391168a2237121da79b28b9fd507

SHA512
d55e570830a21e8ffe9d7a769576afce67fa05396d4450818bfa45132e1f10e5bf8f10026e9fa621f0451f8908d7c9bff9590f64a85d5048af173f5e529aa7c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\A884.tmp\b2e.exe

Filesize
2.8MB

MD5
271f1f58742aff0ebf71fc0c3ab4a9cf

SHA1
63ef4434110ac1ca03865b31406c2921e58bed73

SHA256
9f712a59b09b14ca76baae87d480dac0b1c38e4c7eea45140c28997774690279

SHA512
18ade3b96c697954d59b8697eadae2cbdd856ebe9885f21d2966041e5dbbe9d9e150954105154f92bd78d1c3100435791b20a105d708b62986cc8910c362dccc

Download Submit
C:\Users\Admin\AppData\Local\Temp\AD09.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
128KB

MD5
87bb74a6790018700645a8310bb9a32a

SHA1
b0e3e91efa12e0df5ed4538d3b549ab5d9f6c16b

SHA256
ee6a846f1dcf082d5216bf314e65e1428af13ce54dfaaeb371d1c54f330c5298

SHA512
702e12a0858a1dd987d6a761f0ddc88fee9bce38be3d71f8c9be3fecc8cc6e88763967140f83caf4f2e10109ab95b811bb70bc70ff0b5cce8f0f32713ad3683b

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
4.6MB

MD5
2d0313a655440e87aa3c0c928026ee16

SHA1
2275a64c92180d88e646b8852ace630ee11ce085

SHA256
b94d18754c2d8478151e0d73faa055fa69da602531d4891d9ddcd2a65124409c

SHA512
a253fb7c977895a6d6cb508729af9b4a06d85f24c62a0b0fc0baa2b4e463e0ba53416ede4a5f9efdd244e3a0cbe99732b07b73d2eaef2a02ca72b064c00569a8

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

Filesize
5.4MB

MD5
49f5a95bd3d42b5ae43cccb2a3de0589

SHA1
d2f586172ff5e6aeb79789ccfd9edae043cc2708

SHA256
398797c87faa3e4e6e67a146c25e142bb9cfcba763b387ea4a032e056a0a5e25

SHA512
a3ff39710eaafa5d0f299895fcd6faefc1f90f96add012f41a7ee0abf33427d3d4897ce25bdaa9ce9768d828566af7463a287b079e4d835a7d3d26924064f645

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

Filesize
5.1MB

MD5
6c400df2142883c874bff307a21c4634

SHA1
c982896dec1ef7a12f46ab5986c2841490f2c738

SHA256
c516595732232399df0f60f657bba9a831096a039f099730da37a59f831d611c

SHA512
3ceece8814f47904ce56a58ceedb74345a48118a31c1e0435ec7aaefdf5a684df96360ec472dcda3158dd7a3a8ebd58137dc246f20debee1df9cfe7f39a16e40

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1292-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1292-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3400-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3400-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-43-0x0000000069240000-0x00000000692D8000-memory.dmp

Filesize
608KB

Download
memory/3400-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3400-44-0x0000000001010000-0x00000000028C5000-memory.dmp

Filesize
24.7MB

Download
memory/3400-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3660-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download