73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
298s
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, 16:11

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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
3792	b2e.exe
3732	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3732	cpuminer-sse2.exe
3732	cpuminer-sse2.exe
3732	cpuminer-sse2.exe
3732	cpuminer-sse2.exe
3732	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2300-5-0x0000000000400000-0x000000000393A000-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 2300 wrote to memory of 3792	2300	batexe.exe	74
PID 2300 wrote to memory of 3792	2300	batexe.exe	74
PID 2300 wrote to memory of 3792	2300	batexe.exe	74
PID 3792 wrote to memory of 1820	3792	b2e.exe	75
PID 3792 wrote to memory of 1820	3792	b2e.exe	75
PID 3792 wrote to memory of 1820	3792	b2e.exe	75
PID 1820 wrote to memory of 3732	1820	cmd.exe	78
PID 1820 wrote to memory of 3732	1820	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:2300
- C:\Users\Admin\AppData\Local\Temp\92DA.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\92DA.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\92DA.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:3792
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\947F.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1820
  - - 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:3732

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\92DA.tmp\b2e.exe

Filesize
256KB

MD5
18c91665349cf71648d4af5d21843ea9

SHA1
6be582f8587a42e96d73bf174cb6d6345761c192

SHA256
979d6a944f61f2cde2dea724ce5e0297005602c15fbbbcb917540ec1b1f3f937

SHA512
544d110b9bde470b9411a91f9195bf5e6914c1e5c59ec4485be08acaecd0e519d1c932181cf5a76d5241dedc362beb56f2fb407d808d554e43d408b34a621d48

Download Submit
C:\Users\Admin\AppData\Local\Temp\92DA.tmp\b2e.exe

Filesize
11.9MB

MD5
53b36e9a43375d3f5adb86a9bd61329a

SHA1
159a25bcb57854191c163c530f3ec6ba19a07a87

SHA256
22481dfe9986b0900be69c8e2e87027f92d9b591860ee8856b34a94ebe96d9e6

SHA512
b1d836c13e823001d85085ad35d355ffd30f6a2c835c18b1c0f436e48dcad397711dfb131638e78dcedc162c68339772068b980f691a7014db14092bedcd42bd

Download Submit
C:\Users\Admin\AppData\Local\Temp\947F.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
2.6MB

MD5
f7ef78a4e87bc7888972d663795b85e2

SHA1
4c9319c14f2cb6a6449adde186af1f93154a3571

SHA256
275ce9be03c485ff9aaa1148810c741ae904d3cb0e24db92f63d8fe6be52b12f

SHA512
111b61270df4633d8bb268db2a3c2bb1ddd10d4889e2244de3fab969a79dfec395d1d41c785750718371e6459274483d71814026894098cad50c757d00cffa79

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
3.0MB

MD5
a25005e5e23c35ff6e617232ece1ac20

SHA1
73e840a332f5a0e97315fca8cf6623d4daaed6ee

SHA256
a3e2e6f41b529fe8acc3363d8cc9a1bde848a333c63b895fb41a1376571f6141

SHA512
c82f2002e355b60efa21a35414c0e19ab510d9e470e01454a3b779840ccbedf32135c3e88ecb057e303674319bdd6daabf7282a25d08b4166b6fef026d6da1b6

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

Filesize
3.4MB

MD5
36865fbc09380ad2ba9b7657d71af98e

SHA1
79c74d02aad144c0d3a7e6a5fa72f63a9917856b

SHA256
cf8e3782c872db8ce8e4b0edac4f4bfe8a696ab094a15d4afe2ba9a3781ab70f

SHA512
4e9f93f07869f4491da86e4c060b54ebd3f78ad2c014394723dedacac5914ea3cb7182a3f68462d115111aaa4da5f5b5620367339b28dfc7978157e8718f8625

Download Submit
memory/2300-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3732-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3732-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3732-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3732-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3732-43-0x0000000077870000-0x0000000077908000-memory.dmp

Filesize
608KB

Download
memory/3732-44-0x00000000010A0000-0x0000000002955000-memory.dmp

Filesize
24.7MB

Download
memory/3732-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3732-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3732-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3732-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3732-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3732-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3732-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3732-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3732-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3792-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3792-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download