73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
301s
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, 05:56

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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
2984	b2e.exe
4540	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4540	cpuminer-sse2.exe
4540	cpuminer-sse2.exe
4540	cpuminer-sse2.exe
4540	cpuminer-sse2.exe
4540	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4612-4-0x0000000000400000-0x000000000393A000-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 4612 wrote to memory of 2984	4612	batexe.exe	74
PID 4612 wrote to memory of 2984	4612	batexe.exe	74
PID 4612 wrote to memory of 2984	4612	batexe.exe	74
PID 2984 wrote to memory of 3980	2984	b2e.exe	75
PID 2984 wrote to memory of 3980	2984	b2e.exe	75
PID 2984 wrote to memory of 3980	2984	b2e.exe	75
PID 3980 wrote to memory of 4540	3980	cmd.exe	78
PID 3980 wrote to memory of 4540	3980	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:4612
- C:\Users\Admin\AppData\Local\Temp\C738.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\C738.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\C738.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:2984
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CBCC.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3980
  - - 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:4540

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\C738.tmp\b2e.exe

Filesize
3.1MB

MD5
bca8c467df66fcb86bc5fd5254816917

SHA1
7e630f497e0f72ed5a6812698ff171ca638f174c

SHA256
cb6746e6dfe3139ec13e762f76e663fa06192d24b0054a384248566d2804c3ab

SHA512
ed1a714e39f36e26eb6b7ff92beb51b5cd6a0440f8ecaf19edc6960b9f015496924080513c4c123adccc075b9c5fa223f5cf2b365a17b8048ed3c50474a99eb1

Download Submit
C:\Users\Admin\AppData\Local\Temp\C738.tmp\b2e.exe

Filesize
3.0MB

MD5
42e52d2aa6e0aa4e0a6cb435f3e72e32

SHA1
904d518be9644114eda76add80ccf585ee238731

SHA256
4f8c614822cb12e7405d484d8ef1c5796fe1002f4e20867e761623d6108bd5ed

SHA512
c5bdbe9278322b817f6744ed51e93d2a5a32b7285a5d8506bd7d6578fd432f43caec54c5ae81074a06b8c2b4a36ad5ee4bb6e817698252ec8df1406ee68916e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\CBCC.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
4.4MB

MD5
acc317c0d4e74bd8b3aa6efd46948763

SHA1
b6a40243cef0630324ba2f87d2aa0f6771c37c1c

SHA256
16214a96cee3d67c6f31cc9ad8066df9ac7845e130d214ec6d052f7ee38d6189

SHA512
a3ec9fb3a2381658138c6099d4d533da863ee7465c504865155997aa9e96377e72a48bd8c5a07458bb134f189b0e7e1ca36c5a5bbfbe75fcdcbdce2b6ba5adb1

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

Filesize
4.6MB

MD5
fbc6986d0b282044d62bdc8e6ddef141

SHA1
637151872a5e110a0413926fde352a9c5558a269

SHA256
8652a795b0c60dc45c16f5da4797c14fdec7c23580b753b2a557403d61ab416f

SHA512
069262697158ef0a71a9ff0e77e1c6064a6e9e1886b9ba4d1ed6acdd4a9a8e3969c446c0345c8b8ce017f82f7c63111c2f2b76d74be3e395302e1cda7e52af5e

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

Filesize
5.9MB

MD5
b7ded6669a5e8efff152752ba067612b

SHA1
f0c563cdcafb605938db671454ea82347efcdfb4

SHA256
e7b1d5b2145d2a67975691a28ee45a45105b40310c3b106736ecdbf7667e08ba

SHA512
99121380c89568c9f5f0690fb1af596a1f8e6f8540bbf6cd54ddddea69497b4b5270a827de59229933023d131d872319ec765608f4b376a9c53620ed19b7665a

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2984-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2984-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4540-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4540-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4540-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4540-42-0x0000000068580000-0x0000000068618000-memory.dmp

Filesize
608KB

Download
memory/4540-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/4540-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4540-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4540-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4540-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4540-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4540-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4540-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4540-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4540-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4540-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4540-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4612-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download