73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
300s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
19/02/2024, 14:40

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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
4792	b2e.exe
2036	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2036	cpuminer-sse2.exe
2036	cpuminer-sse2.exe
2036	cpuminer-sse2.exe
2036	cpuminer-sse2.exe
2036	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2876-5-0x0000000000400000-0x000000000393A000-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 2876 wrote to memory of 4792	2876	batexe.exe	74
PID 2876 wrote to memory of 4792	2876	batexe.exe	74
PID 2876 wrote to memory of 4792	2876	batexe.exe	74
PID 4792 wrote to memory of 836	4792	b2e.exe	75
PID 4792 wrote to memory of 836	4792	b2e.exe	75
PID 4792 wrote to memory of 836	4792	b2e.exe	75
PID 836 wrote to memory of 2036	836	cmd.exe	78
PID 836 wrote to memory of 2036	836	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:2876
- C:\Users\Admin\AppData\Local\Temp\99B0.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\99B0.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\99B0.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:4792
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9BC3.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:836
  - - 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:2036

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\99B0.tmp\b2e.exe

Filesize
8.8MB

MD5
b898d5a3f9ee6358b77ff766ef16e635

SHA1
4bd5722962727bf3ddc9ba6d848ac4786e5d837d

SHA256
47350731b84eca46584c95d8a361ab7f1dde01249c94234392fe213f2f357dc7

SHA512
469c6a02a5b252ae705b5ed5005068260f23a5733723149a23552a02d56e66025f95856788710f8d973679c8bdddf2a5af79388566201875710f221f9c3a3cd9

Download Submit
C:\Users\Admin\AppData\Local\Temp\99B0.tmp\b2e.exe

Filesize
10.8MB

MD5
dc2b27a9004792079898ba3abde54c45

SHA1
a00498179fc7710ed01053109dab839228952cdd

SHA256
4af5435b25bc2a33e958b313f43f63a1503885d7ebe8141e25f861b811c312ec

SHA512
4150915469a87f883ff445572110333627e01548450326c640ac640290bd73d6babc40d20dddf76af515e96bf63ef9415534eba110ce8555d4177c2483c6839e

Download Submit
C:\Users\Admin\AppData\Local\Temp\9BC3.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
6.8MB

MD5
e4e559500ab6e4e51ada1763dd3487b6

SHA1
9058d29727497f66852265c558d016d11d4e0662

SHA256
cdaca072bf117e160ddf7a509e6fda87fc2ba5f85952245cb6b47726c3899a30

SHA512
364da4abd8fc6fda14567ef810cf9535827888f97e3fb0c3d4eb58d5254f37749011c2cfac6751c7b93123d3a6327883b1df7bafa6690c15f32824f894fd096d

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

Filesize
10.5MB

MD5
022a8670b29325c0c542c8fba1c5f8f1

SHA1
68d3abfe594e5823284714cafd7cd406ed8af885

SHA256
1d8cf58d37c32dd35ab97d93dff5363cb54f6f02dd7aa44580b76c0838cdffaa

SHA512
a060749d696dcb19abd376517f9fc50926611f47f27033ad7fe86b8feddd099930f62e55681a0c65cee742221051b3e0b59f3e2c73e744084fe99a11470fb82e

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

Filesize
10.5MB

MD5
d1806db5557900594d6e29ac616baad4

SHA1
e383ef5adca5a83d095b2b017b5aff5072ae3bf6

SHA256
6f8e10902b4bfb45e5c81f714d04bf728a191b06e86e68c920febbb33ec318ff

SHA512
c41f86592ff0d7628927113dbe84b6dcae99693ce6679956c679ccd1d736e1eba2fcbce83011561ce67d6872f4fa14da7ecf113504bb5e30cda7b290a21e291b

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2036-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2036-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2036-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2036-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2036-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2036-43-0x000000006B2E0000-0x000000006B378000-memory.dmp

Filesize
608KB

Download
memory/2036-44-0x00000000010F0000-0x00000000029A5000-memory.dmp

Filesize
24.7MB

Download
memory/2036-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2036-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2036-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2036-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2036-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2036-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2036-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2876-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4792-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4792-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download