73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
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, 07:04

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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\92AB.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\92AB.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\92AB.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\9451.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\92AB.tmp\b2e.exe

Filesize
10.3MB

MD5
9f1d804f47fb57fdfaf7483b78b2858f

SHA1
7a80792308479c59fe5dcf34b78ec568e13f67fa

SHA256
c7c6c69079904230314b62eb9b4076aaec0fb8de1fd8f18f9fb9cce9f46187d5

SHA512
37343deae907445d3a813ff559480e63322700f54252e5e8fcb9b9bb2410805e99c43f3651e70ac8471bc7bdd642500293e3531cb9ad31308b2990a45f418c3a

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

Filesize
10.3MB

MD5
4f65746c5155649200369e0bb0d744a4

SHA1
6c845da6c8d584aacc6f83bb97fd7110e22450fb

SHA256
110537d50246e0bba7ffd6e8df34c7fdf3f3a9b8ada51be535b1502df4d20efb

SHA512
44af6588ab1eca0ada4584dc51f5604f9656097bd52ba59bfde5604c3a57735e9dba28a0943564c2069482a764f264dfcb162b90c21c6e2fa267144d099dadca

Download Submit
C:\Users\Admin\AppData\Local\Temp\9451.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
6.3MB

MD5
9e91d76221428abedfc4603466c8635e

SHA1
85091806ebd5cb84c644c6bbeef9475803b353e4

SHA256
193755e0f69b4b0b68924f647ac3592bc70c1ae12b7f7dba0025a7ad95c15213

SHA512
17865c821b6b3c7ec2f553e276b4f07a1b3ca32f38aaee594e9315f5c5f9ea47304f7903776fb1b6b37c46e8a12c8194fb1f5144e879c25881c2a219fc7e599d

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
5.8MB

MD5
b847b95d4e3a43d9e51bc53d2c09b4df

SHA1
d2fea42f915864eed38f304eec3576631b56379e

SHA256
682ee6e12cd5c7bc8c3735d5ffd4321bec1d048a312382f09edc8325f95a01bc

SHA512
dbfbb721e6f7d610c589c2b49e1e909478408d69ddf702bdcf98671c7ad7a02fa2b33a46e5b260ae75b36a1ff81e47ffbe738a8d5044048bebbbcdb0dd29adc0

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

Filesize
4.7MB

MD5
c85ab8ec376ff19a5fd56d8dda208ce4

SHA1
6f709da79d82e1b75aa837a59923ed838eb19910

SHA256
582e08726961a609213415209391456bde1867a362509febad56607e313c21cc

SHA512
a4331e0b368dc96c9160f28e992285ce33eeb9be03a8a8bf3ccb52700d291e290ae5d6a3ddd69d0123d4da9a48657be8cd4d536b72b72574872e3b0759bbb5d0

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

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

Filesize
53.2MB

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

Filesize
2.4MB

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

Filesize
2.4MB

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

Filesize
752KB

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

Filesize
1.2MB

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

Filesize
608KB

Download
memory/3732-44-0x0000000001150000-0x0000000002A05000-memory.dmp

Filesize
24.7MB

Download
memory/3732-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3732-101-0x0000000000400000-0x0000000000667000-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/3732-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

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

Filesize
2.4MB

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

Filesize
2.4MB

Download
memory/3792-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

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

Filesize
20KB

Download