73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
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, 07:06

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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
3780	b2e.exe
4556	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4556	cpuminer-sse2.exe
4556	cpuminer-sse2.exe
4556	cpuminer-sse2.exe
4556	cpuminer-sse2.exe
4556	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4000-4-0x0000000000400000-0x000000000393A000-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 4000 wrote to memory of 3780	4000	batexe.exe	73
PID 4000 wrote to memory of 3780	4000	batexe.exe	73
PID 4000 wrote to memory of 3780	4000	batexe.exe	73
PID 3780 wrote to memory of 4600	3780	b2e.exe	74
PID 3780 wrote to memory of 4600	3780	b2e.exe	74
PID 3780 wrote to memory of 4600	3780	b2e.exe	74
PID 4600 wrote to memory of 4556	4600	cmd.exe	77
PID 4600 wrote to memory of 4556	4600	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:4000
- C:\Users\Admin\AppData\Local\Temp\C18B.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\C18B.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\C18B.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:3780
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\C5C1.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4600
  - - 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:4556

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\C18B.tmp\b2e.exe

Filesize
3.5MB

MD5
6f994a45cb667b84d2f1d18d0de60242

SHA1
e16be02d6fb347ae51ce54c4798456b040f13068

SHA256
63cf3313920f731ee2c13d084d0adf762bc54843d70a1b72460051ae008bef8e

SHA512
8f42889b05377d400a59fc865e0742b5fd21f1a9e7f84d6ca1342f8ad1e35aab69897ec81ef26770516c24ce0d394547567d300e876765f456a0122c61071be5

Download Submit
C:\Users\Admin\AppData\Local\Temp\C18B.tmp\b2e.exe

Filesize
12.0MB

MD5
86a77b50cf5abb0234ded186794f77b6

SHA1
79ad937cfed5214b2ffa935c41e8717c4f1cf929

SHA256
434944733d8e4800ef68f02ae9b23a06a8393825c1bf22a81d27e8c4189c0adb

SHA512
9b34fef0da63ff71bbe84a9a3e4decc583872d3bcf60ba6ac662c8e3f2edc0c53c8e94145e6096e7606ac3c5f8588b0ee31201ec6d234eb43ad892e764696c71

Download Submit
C:\Users\Admin\AppData\Local\Temp\C5C1.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
3.9MB

MD5
5f465e35f638576034a5951df22186d5

SHA1
47dd3041b5ef05e12a30d756a94d07b5f062cc95

SHA256
93ff19608579031bde8453df5851528a3637308f4653d86d415884a3d486ee4c

SHA512
631004b276b02143e59ea2b89ff15799647221f14bfe3116333c00accb3e2914b14ef9e4d4c4829888004e388844e8b8a46c6f15aa5b3020cb1e032c64c8f31b

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
4.6MB

MD5
fbc6986d0b282044d62bdc8e6ddef141

SHA1
637151872a5e110a0413926fde352a9c5558a269

SHA256
8652a795b0c60dc45c16f5da4797c14fdec7c23580b753b2a557403d61ab416f

SHA512
069262697158ef0a71a9ff0e77e1c6064a6e9e1886b9ba4d1ed6acdd4a9a8e3969c446c0345c8b8ce017f82f7c63111c2f2b76d74be3e395302e1cda7e52af5e

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

Filesize
4.9MB

MD5
34fd2bfc8688013e5099184d3c6fbf6b

SHA1
fe135468dc181a7dc45b9a9ba13ddb7b69cbc812

SHA256
6e67cf407bb4b2d10b745b7a0d22e74e91aff82447fd1ef6fbb6597e4fee06ee

SHA512
41c541cc429c64e8f1736236a0b03a9009385430014eaa35ab657fd8a878021cb1c63b84f1d01d829e3d8370cb7b597ee2ff2cd995e93bdf5c128eea080da0ea

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/3780-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3780-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4000-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4556-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4556-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4556-43-0x00000000519F0000-0x0000000051A88000-memory.dmp

Filesize
608KB

Download
memory/4556-44-0x00000000010C0000-0x0000000002975000-memory.dmp

Filesize
24.7MB

Download
memory/4556-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4556-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4556-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4556-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4556-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4556-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4556-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4556-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4556-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4556-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download