73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
300s
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, 16:32

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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
3208	b2e.exe
4316	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4316	cpuminer-sse2.exe
4316	cpuminer-sse2.exe
4316	cpuminer-sse2.exe
4316	cpuminer-sse2.exe
4316	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2636-5-0x0000000000400000-0x000000000393A000-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 2636 wrote to memory of 3208	2636	batexe.exe	74
PID 2636 wrote to memory of 3208	2636	batexe.exe	74
PID 2636 wrote to memory of 3208	2636	batexe.exe	74
PID 3208 wrote to memory of 512	3208	b2e.exe	75
PID 3208 wrote to memory of 512	3208	b2e.exe	75
PID 3208 wrote to memory of 512	3208	b2e.exe	75
PID 512 wrote to memory of 4316	512	cmd.exe	78
PID 512 wrote to memory of 4316	512	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:2636
- C:\Users\Admin\AppData\Local\Temp\8D8A.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8D8A.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8D8A.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:3208
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8F7E.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:512
  - - 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:4316

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\8D8A.tmp\b2e.exe

Filesize
10.3MB

MD5
055be1101a0931fc4df04bad29b272db

SHA1
0b390f9526212aed2c3ed0bbe6d16b3fde2a804e

SHA256
2d0a6ff7b5ea5c56bc98390b16dd18bd1cc4b6dd9b4a5a9f22d8c7105350c64e

SHA512
685e6c15ff49ecc644a4fa47595f6fe789cd2a06423ac811e861d17cad83491d9a7d9744f85d57141c4564931235870bcdff60933318eb31949fa059fbe3bece

Download Submit
C:\Users\Admin\AppData\Local\Temp\8D8A.tmp\b2e.exe

Filesize
11.5MB

MD5
bf55dc7f7102a46baa5439bd5845856d

SHA1
7f417ff395352ff3cc49a7e8373f8e2f4a880dee

SHA256
4b36e460789d04ae97415b3773abec77364ddcd9ffe1224228cc6199dfe26bdf

SHA512
ff802b04a9a04264565153711dada9942981f405d75d3851027cc06dd38f05668ab9e13a0d4fad1c0bb12dbe05ed0fb1e88684a8b27348570ea5f9d33b3ade1f

Download Submit
C:\Users\Admin\AppData\Local\Temp\8F7E.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\libstdc++-6.dll

Filesize
9.9MB

MD5
5dd452fac0d19b1f1fa1890c4ef9a570

SHA1
77a464911b51fe5697b0e50e8aed2b5bc101cc29

SHA256
fba5730cc4f4fc50e3f72ba650c65f2c5194a1fbbaefe8d6ff71f49195ff80bc

SHA512
15b7b5260f65ef839d45716158bb41dc5e6da4e779cf5aca8ed3d75928c0ecd730ba3d01e4f0c7c7ea11811f284e09d352d5612e379a5a143b97ee80579c74db

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
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

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

Filesize
13.1MB

MD5
482087104828ce59bac5ec7661214e4f

SHA1
745b8f346c7a23e38b15a83b59d1ad87256454ab

SHA256
3caba1a1a686d33c75851ead425b2bd060cd581db8b1640dbad9c11c577253cc

SHA512
14004cb0d6cdb387429924e7360417487f4a167418be2578feaa0899ac87023eea794708572aacb63e6c8f87c96008a5a4eb0f64a586f5f2acf425bf6cb19ffd

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

Filesize
11.3MB

MD5
0ace9e6e962e87a51be30bfea6a636fd

SHA1
f61b641ecad23aef4db86fe14e2f8f3055ed5522

SHA256
34284d4ffafde74f30e1cfd9f11827a71e71522e7d277d3bd8690f880f42e197

SHA512
d9f03981bac3102329309e46afd9711e1d683f1c7e5b98bf8862a55c6a8dae79edecc7408e87f1bb1059021c62fc0074358f2179322226c7bfdd7c201dd674ee

Download Submit
memory/2636-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3208-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3208-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4316-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4316-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4316-43-0x00000000550B0000-0x0000000055148000-memory.dmp

Filesize
608KB

Download
memory/4316-44-0x0000000001080000-0x0000000002935000-memory.dmp

Filesize
24.7MB

Download
memory/4316-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4316-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4316-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4316-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4316-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4316-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4316-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4316-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4316-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4316-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4316-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download