73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
299s
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, 12:53

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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
2108	b2e.exe
4420	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4420	cpuminer-sse2.exe
4420	cpuminer-sse2.exe
4420	cpuminer-sse2.exe
4420	cpuminer-sse2.exe
4420	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4020-6-0x0000000000400000-0x000000000393A000-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 4020 wrote to memory of 2108	4020	batexe.exe	75
PID 4020 wrote to memory of 2108	4020	batexe.exe	75
PID 4020 wrote to memory of 2108	4020	batexe.exe	75
PID 2108 wrote to memory of 4324	2108	b2e.exe	76
PID 2108 wrote to memory of 4324	2108	b2e.exe	76
PID 2108 wrote to memory of 4324	2108	b2e.exe	76
PID 4324 wrote to memory of 4420	4324	cmd.exe	79
PID 4324 wrote to memory of 4420	4324	cmd.exe	79

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4020
- C:\Users\Admin\AppData\Local\Temp\950C.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\950C.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\950C.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:2108
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\96D1.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4324
  - - 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:4420

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\950C.tmp\b2e.exe

Filesize
69KB

MD5
8b04ebfab505b07e91862cab796a83b8

SHA1
367fc4987f269df2fcf068c40b8034bfee6b8a54

SHA256
c1f1366d7d474303004cfffd356961f7d7784fcd205fee22c127ab8bc1ec7834

SHA512
62e9be2cca9c13c692a114a75245713b0918cc5c5f1209b8def64d42b8ea9e5523bc0edb4763d196ff886fbd2ff3781ad7804e69110fe054dfcb8b51a6e57f39

Download Submit
C:\Users\Admin\AppData\Local\Temp\950C.tmp\b2e.exe

Filesize
12.7MB

MD5
3ab7a22103b9fc545da585ec223d07ad

SHA1
60bad8bd5709155fb5ea0c585065b3737988c9c4

SHA256
809220182c5f9a1a29884d6a893246fbe0737bdd7a37f12c90c16c8179c1404b

SHA512
390c044a78441da152c086d5ec27c113a281e2e67ae161f89000fcc4585d6809860b2ef0e9ff9006ed1bb2a421e8a1520bdad840f54a3b886ba3a0fd8815124b

Download Submit
C:\Users\Admin\AppData\Local\Temp\96D1.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
8.6MB

MD5
973273f5d30d6150be1cddb217db6591

SHA1
2350cbe66a49b1d2969130a7d59f418fbf76992f

SHA256
c7d3b6618b04e76e6d41cc69de2021ad60025ecb46d873985af0964ee49c1924

SHA512
d36e74921092f9aa2e2eac5da39041f5fb1955431c9f075c38d37e035c051d8e37c985d79ec2d0e311d03d3a6d1b3197845347c3fcbf1f2c5d4bd74b46e00d28

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\libcurl-4.dll

Filesize
836KB

MD5
aeab40ed9a8e627ea7cefc1f5cf9bf7a

SHA1
5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

SHA256
218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

SHA512
c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

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

Filesize
14.2MB

MD5
029abcbb49119d62a9c996a71111b1b8

SHA1
bb442276b34f5445955233819e29460f1db3cb52

SHA256
77efa636880a2907dc3336810bce1384480e95dbba331a24bd4e93ad5ea3c6e5

SHA512
f78fab0391927a11cd5a672aca54ec2eef9db4603a995dca88a430aa07ace3264f9b9b87125c243c94d56fd4c5b6972e13f9f5dbfc3bc13a8aa8f34b38af6d01

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

Filesize
14.1MB

MD5
3ca817d1a831014efb53450653c6a04f

SHA1
4eceb283eda77205edbe35b7278fbd5411e56750

SHA256
fc387f8d40d41b6e7feaa1edda62280a0e7f3245a516f85c6bc752a824a94e4b

SHA512
c7024da468437bf902be048d1227c9471625039cb8b6cb24396a4656c505f5ae6c86c5390bb5cf567b0278257b7eb86daae83526e38cda9fccc85073d9c400bf

Download Submit
memory/2108-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2108-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4020-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4420-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4420-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4420-43-0x0000000074ED0000-0x0000000074F68000-memory.dmp

Filesize
608KB

Download
memory/4420-44-0x0000000001120000-0x00000000029D5000-memory.dmp

Filesize
24.7MB

Download
memory/4420-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4420-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4420-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4420-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4420-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4420-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4420-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4420-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4420-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4420-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4420-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4420-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download