73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
292s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
17/02/2024, 15:08

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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
4660	b2e.exe
2948	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2948	cpuminer-sse2.exe
2948	cpuminer-sse2.exe
2948	cpuminer-sse2.exe
2948	cpuminer-sse2.exe
2948	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2628-4-0x0000000000400000-0x000000000393A000-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 2628 wrote to memory of 4660	2628	batexe.exe	74
PID 2628 wrote to memory of 4660	2628	batexe.exe	74
PID 2628 wrote to memory of 4660	2628	batexe.exe	74
PID 4660 wrote to memory of 3356	4660	b2e.exe	75
PID 4660 wrote to memory of 3356	4660	b2e.exe	75
PID 4660 wrote to memory of 3356	4660	b2e.exe	75
PID 3356 wrote to memory of 2948	3356	cmd.exe	78
PID 3356 wrote to memory of 2948	3356	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:2628
- C:\Users\Admin\AppData\Local\Temp\8FDC.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8FDC.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8FDC.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:4660
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\91B1.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3356
  - - 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:2948

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\8FDC.tmp\b2e.exe

Filesize
10.8MB

MD5
ab0846b5d5e58a13b08570299770a821

SHA1
59b852ec175074b6e266f8b1dbd11f89216d8cce

SHA256
28d907a93c10b79c5398340417b1eff448dc829e79ee4744357159ecdba5a386

SHA512
29ac317f3fc0bc08b824b6e04732b5ba9d9cea31b1964657c77ada293d421849b1f53a8305ca19fcb8efa59402219e50489e203d621317b8307f41edf959594d

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

Filesize
13.9MB

MD5
bdef89bdfa440272f79cdc0beabe18da

SHA1
09d174be9d0363d6e646c2a1ab2b752c54cda1c8

SHA256
02fbfcfd009ee85ec768e0afd95cf4fa1a4854d3ed08d3f7f4079b8bc63f7610

SHA512
4f0880d9de413ce91384fc7e1899650710c1299eb1f7f56f4e59b4e2c86d57063d949ff78be85a1dda6cdc9faea532d19dc8477f4b20ce06202dbb5f42ccc90c

Download Submit
C:\Users\Admin\AppData\Local\Temp\91B1.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
10.9MB

MD5
88bfbeb692f73ece66d44ff615ab950a

SHA1
e1a6c1816bea6731758625b6a76f54e8ef291d46

SHA256
106310138cb49bc4e9bee0b07aa727f69c1ca6ef0d7a8ed071d0558fc69187b6

SHA512
fcd6e8faa81c6359fde39cf2a034e0575d4682ea55af0a20ceb05595580693fe2774d47a73c4b055257d94b555b53cae11bb725d5759836c2f2e139d6bdf8f75

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
9.1MB

MD5
d322dbeb22724e3cade2dcf7741eaccf

SHA1
0d187db28f74411435ceeb04935f555a4c5246cc

SHA256
b2e8093a5fb731a4ad6df2844ffc47821978e88dd1e8cc1cd5564bb7e4f80865

SHA512
cfc634e33d3431251964d9e23a94844d2e7f7000bbf77ae70583ccb04e79f48de31f3df33ba16846308473319c3001eda64a1343325d769085d162c71d69e221

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

Filesize
8.5MB

MD5
04a054030b27d7fc4ab8e32ed546cfff

SHA1
8d2662adcd83fac4282e554be4a0913c34c5b3f2

SHA256
5194fcbcb5a3b71c7ee6cabe179f908a05e64ca1bfbca2b057ac90e09be83d20

SHA512
7c1f2173eae644806a1518a76a20110c9f46d01ba981e73bcef22d2c1410356575a4d4907d3c2acf29ced5426dba57a0fe461db519df03b1ae92e1fe402ce23e

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2628-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2948-42-0x0000000064810000-0x00000000648A8000-memory.dmp

Filesize
608KB

Download
memory/2948-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2948-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2948-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2948-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2948-44-0x0000000001160000-0x0000000002A15000-memory.dmp

Filesize
24.7MB

Download
memory/2948-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2948-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2948-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2948-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2948-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2948-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2948-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2948-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2948-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4660-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4660-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download