73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
294s
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, 06:57

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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
4256	b2e.exe
768	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
768	cpuminer-sse2.exe
768	cpuminer-sse2.exe
768	cpuminer-sse2.exe
768	cpuminer-sse2.exe
768	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/308-4-0x0000000000400000-0x000000000393A000-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 308 wrote to memory of 4256	308	batexe.exe	75
PID 308 wrote to memory of 4256	308	batexe.exe	75
PID 308 wrote to memory of 4256	308	batexe.exe	75
PID 4256 wrote to memory of 4868	4256	b2e.exe	76
PID 4256 wrote to memory of 4868	4256	b2e.exe	76
PID 4256 wrote to memory of 4868	4256	b2e.exe	76
PID 4868 wrote to memory of 768	4868	cmd.exe	79
PID 4868 wrote to memory of 768	4868	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:308
- C:\Users\Admin\AppData\Local\Temp\96C2.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\96C2.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\96C2.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:4256
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9961.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4868
  - - 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:768

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\96C2.tmp\b2e.exe

Filesize
2.6MB

MD5
bf73fe3b5fc8ee997ce9c41b2f286aa6

SHA1
5857e2bfb0527b18f1779827d370b508351afcef

SHA256
36b8ce4dbe5fbe7941e38fa49fb4d66b479b2aa219081a4ab8f38930fdde42fa

SHA512
b7f83b940526bfa4bbefa975641caa766fb694739e669e1aa79806ef5db060a58bb5a5db17bb912682ae7c5db88a6821b50ce57ea55b00144da174ac54808aec

Download Submit
C:\Users\Admin\AppData\Local\Temp\96C2.tmp\b2e.exe

Filesize
2.9MB

MD5
569d71d3d726883cebfe2e85771b6b7c

SHA1
dee7c6f9c45ee166a1667933a479f0650e021b22

SHA256
296df2def04722a3f7e571d0b42d31e993f273bd9d3a7b39ab7a54000d6899a0

SHA512
19e449d4a5beeee6ee50f2a05e8029458e7462e815e2ab689ef25e09dbf6dcd29e431bad00382243c77e04c115514a21a9cb3645137a65d267400b299e36e297

Download Submit
C:\Users\Admin\AppData\Local\Temp\9961.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\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
9.6MB

MD5
bf69720d6f8bcec57bdff16e3a9eee38

SHA1
e4255892cb30fcf5aeaa189285c58d5a71cca4b2

SHA256
479562236643094bf6682e02bcd15c08dee8adf12f4eb4a5555f73fc600d6c69

SHA512
df1c9109c35e523cd566b2d18b4bc01ef7cf32594a79a9a36e688c14caa02a0aef9aa7fd4aa8a858d2ed8bfa13628b74183ae1554f4d9ed29e173ceb3dc37798

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

Filesize
11.7MB

MD5
fdebf82a7b1e5cb11ecbdf1d5506bfb1

SHA1
4b262e3fba529af6de350d77886dbf262280cc17

SHA256
2f875bfe28ede59e70e03a9a57707621e1ac578b5f78fc5943a637504d264451

SHA512
7c1fb56a0b99ad7250893495a794c53349a6543a90b38386e78b79d45661ed6630e4353ae50f2e8f1735435fdef84e3a27b966a76d392779146a06a7cd7716ad

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

Filesize
10.3MB

MD5
bf3322dc650824df66c0380194eb3a3a

SHA1
e3a18c94f60df364a69260a369920da8c8ed75c8

SHA256
e59fb10e90ddc73b02428948a4c4449e80b15f123424fef212c2b16be727647b

SHA512
cb2cabe82ebb1a0ba4b2cf9ef9bdc3505a147465aa51c110a24a4b20f4995a4fc58a98daeee2152484c9f822a635a81d471cc5399a490aa90c483edad6554048

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/308-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/768-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/768-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/768-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-43-0x0000000065D00000-0x0000000065D98000-memory.dmp

Filesize
608KB

Download
memory/768-44-0x00000000010E0000-0x0000000002995000-memory.dmp

Filesize
24.7MB

Download
memory/768-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4256-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4256-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download