73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
298s
max time network
312s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
18-02-2024 11:45

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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
4340	b2e.exe
3660	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3660	cpuminer-sse2.exe
3660	cpuminer-sse2.exe
3660	cpuminer-sse2.exe
3660	cpuminer-sse2.exe
3660	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/916-4-0x0000000000400000-0x000000000393A000-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 916 wrote to memory of 4340	916	batexe.exe	75
PID 916 wrote to memory of 4340	916	batexe.exe	75
PID 916 wrote to memory of 4340	916	batexe.exe	75
PID 4340 wrote to memory of 4444	4340	b2e.exe	76
PID 4340 wrote to memory of 4444	4340	b2e.exe	76
PID 4340 wrote to memory of 4444	4340	b2e.exe	76
PID 4444 wrote to memory of 3660	4444	cmd.exe	79
PID 4444 wrote to memory of 3660	4444	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:916
- C:\Users\Admin\AppData\Local\Temp\F51E.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\F51E.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\F51E.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:4340
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\FA5E.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4444
  - - 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:3660

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\F51E.tmp\b2e.exe

Filesize
7.5MB

MD5
eb3eed2fffb5131c72c5a4cf13f5dd55

SHA1
0e61e722591e4c2dbf46132960130778b74b6bf8

SHA256
e8fb8faf1951245d5533afe3db3f3748f9130e82bf7a2f757c6b60353e830901

SHA512
bf242cc282816e2315ed9f66e111e8cf751f815fa3d748e60eda89d6e7afa7944844df10e273c4cfc6bc2ced07c19cd3ed5cafa9d6544138ed311742311ff852

Download Submit
C:\Users\Admin\AppData\Local\Temp\F51E.tmp\b2e.exe

Filesize
9.1MB

MD5
b4bb3dbc7760dc304a726df1c20f54ab

SHA1
a9abc30f928d27fc96b091fd4d187aa26470f0ed

SHA256
bda420d773630c497c99cff9350b782093121029874b4b739091903f0b3e8e06

SHA512
102ae2cfdda1a7d2889dbdbfdc4f41cbc9690660401bb69a7f7a32fa714f15d12991152ee4052d105409712420bb2dddfd8f1594299af958872789f5a57986f2

Download Submit
C:\Users\Admin\AppData\Local\Temp\FA5E.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\libcurl-4.dll

Filesize
836KB

MD5
aeab40ed9a8e627ea7cefc1f5cf9bf7a

SHA1
5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

SHA256
218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

SHA512
c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

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

Filesize
10.9MB

MD5
797fae8e5aacfc96223b43b6091ed08e

SHA1
dd24041d439a0eb4f90f1e0289979e4e777d71f2

SHA256
617857787fbc9c1fc1fae8e7e3250532ff943139193b86feae9c2160b822f65d

SHA512
3790d04c92f436c1f82bb3c5602b01a0e3194456e9c95cb1c43ebe8a442071acf8b1793a6b73cbdaa0699d6cf00979cfbf6c66278d5c5bd0f0b047a6684501ef

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\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
9.4MB

MD5
66fba42eb8c350e7b63aeaa0e4779e89

SHA1
d38b696e8dcd0f609d9bf29ab263cddfd8a43fcf

SHA256
257b57c5b4aa7d9ce9f39ee1f81fb560a2d6d58d1a4128c7b8d41ed1ea74446a

SHA512
7406cedef3e642bed36c3f6c5503b489b58133f65b9e68736e389b79a6e7d7037ac27966d8080ee7852031027edceea7188b091c177f4686979293c8d4925bb7

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

Filesize
7.3MB

MD5
ec1c0af627c5e09937b87fb68d244367

SHA1
19f925f931a867c7bc218cadc696e97c4d9e73c6

SHA256
ff30ef64ba22c3ad16a4dcdebf42480f69800bad22eacf31be1be5e69a6e8644

SHA512
aad8993eca64720d98e07434a2006ef771c4a7037c577ea31eb012cc7ea915ca54d473f97a26df18cc15f9b7aadfe20e1c87164785224188db91ee407d4d636d

Download Submit
memory/916-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3660-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3660-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3660-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3660-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3660-43-0x0000000064120000-0x00000000641B8000-memory.dmp

Filesize
608KB

Download
memory/3660-44-0x0000000001050000-0x0000000002905000-memory.dmp

Filesize
24.7MB

Download
memory/3660-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3660-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3660-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3660-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3660-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3660-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3660-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3660-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3660-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4340-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4340-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download