73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
330s
max time network
334s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
24/02/2024, 03:32

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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
1972	b2e.exe
4548	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4548	cpuminer-sse2.exe
4548	cpuminer-sse2.exe
4548	cpuminer-sse2.exe
4548	cpuminer-sse2.exe
4548	cpuminer-sse2.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4772-0-0x0000000000400000-0x000000000393A000-memory.dmp	upx
behavioral1/memory/4772-2-0x0000000000400000-0x000000000393A000-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 4772 wrote to memory of 1972	4772	batexe.exe	74
PID 4772 wrote to memory of 1972	4772	batexe.exe	74
PID 4772 wrote to memory of 1972	4772	batexe.exe	74
PID 1972 wrote to memory of 2416	1972	b2e.exe	75
PID 1972 wrote to memory of 2416	1972	b2e.exe	75
PID 1972 wrote to memory of 2416	1972	b2e.exe	75
PID 2416 wrote to memory of 4548	2416	cmd.exe	78
PID 2416 wrote to memory of 4548	2416	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:4772
- C:\Users\Admin\AppData\Local\Temp\8911.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8911.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8911.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:1972
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\B38C.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2416
  - - 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:4548

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\8911.tmp\b2e.exe

Filesize
10.0MB

MD5
1986ff4ccd4a47efd361224e101a4c15

SHA1
4ab073d9f0dfec1e822b742eb332220e8efe48e1

SHA256
87f627e4f982b64998012441ae90a38eda875d5b72f4273a03e995c3d041d212

SHA512
8733fddf938c274dfa9780721177675d024bea4a0a7c07fc27d7d54d4d4c6f82d3888052d5df19891769f68b9d40e5e3755c08eda45aed7fa0c0082d666a9262

Download Submit
C:\Users\Admin\AppData\Local\Temp\8911.tmp\b2e.exe

Filesize
10.3MB

MD5
4f65746c5155649200369e0bb0d744a4

SHA1
6c845da6c8d584aacc6f83bb97fd7110e22450fb

SHA256
110537d50246e0bba7ffd6e8df34c7fdf3f3a9b8ada51be535b1502df4d20efb

SHA512
44af6588ab1eca0ada4584dc51f5604f9656097bd52ba59bfde5604c3a57735e9dba28a0943564c2069482a764f264dfcb162b90c21c6e2fa267144d099dadca

Download Submit
C:\Users\Admin\AppData\Local\Temp\B38C.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
13.1MB

MD5
d7f763cd82e269c55565eb30e23c4a94

SHA1
de80ba3a9209422caf638b184624cf2dd13a1d61

SHA256
f59e32bbee7eaeb8553bef2f7d80232913da089d2a967f1f35c14d6cbfde2fc4

SHA512
ed1bd43895341ac9ee8751b7a634a1fcca80fafc4cd9b9ff18c390d65fb73fe6b058ead82b1c6b73b5e3af80c3e3c90b17740baede969be169f051ecc8ef1bde

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\libstdc++-6.dll

Filesize
14.8MB

MD5
f4dfb7629c514208741fbcea3f997d3f

SHA1
c0a99b4327e96c8362e757a1d7a8a35608fad816

SHA256
d4370967458f81461c4646cbe4a738d53c3adf7cea5ca830b9898bab777415b5

SHA512
c5c422c9cf88c58c19dbe224cc59bf017ad1734ec40fec89cbdf7e135cfa3877c4efa2b4e7f811252609ec1e7d0fa3715166f44140de25827de43a8cf768e13a

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

Filesize
5.3MB

MD5
e20443f31a4f32d4fc054241b8970f10

SHA1
1111e0670976ee70c92032babf696faf7d1b9dde

SHA256
b9e3121dd765551bee5e2bded58c8d69cce72f36257737e78645a17a8d2235ef

SHA512
c49aeaab7583c07a1f47997e94f7a152a3e45bc540dcee105e793d94bbe25f7652ed80492b9ad098040157b25b9fff91c69f3cf797d8a4062717a616ce72f95a

Download Submit
memory/1972-7-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1972-52-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4548-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4548-58-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4548-103-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4548-44-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4548-45-0x0000000067490000-0x0000000067528000-memory.dmp

Filesize
608KB

Download
memory/4548-46-0x0000000000EA0000-0x0000000002755000-memory.dmp

Filesize
24.7MB

Download
memory/4548-98-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4548-42-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4548-73-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4548-78-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4548-83-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4548-93-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4772-2-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4772-0-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download