73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
300s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
24/02/2024, 12:35

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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
4080	b2e.exe
2224	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2224	cpuminer-sse2.exe
2224	cpuminer-sse2.exe
2224	cpuminer-sse2.exe
2224	cpuminer-sse2.exe
2224	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2100-4-0x0000000000400000-0x000000000393A000-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 2100 wrote to memory of 4080	2100	batexe.exe	74
PID 2100 wrote to memory of 4080	2100	batexe.exe	74
PID 2100 wrote to memory of 4080	2100	batexe.exe	74
PID 4080 wrote to memory of 4172	4080	b2e.exe	75
PID 4080 wrote to memory of 4172	4080	b2e.exe	75
PID 4080 wrote to memory of 4172	4080	b2e.exe	75
PID 4172 wrote to memory of 2224	4172	cmd.exe	78
PID 4172 wrote to memory of 2224	4172	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:2100
- C:\Users\Admin\AppData\Local\Temp\81F1.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\81F1.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\81F1.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:4080
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8424.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4172
  - - 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:2224

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\81F1.tmp\b2e.exe

Filesize
7.4MB

MD5
d1a23c525cadfa5c6ab9f27f0135d7c4

SHA1
25afca5be8691a6e83454cb611e5c2a8f7ea61eb

SHA256
a9049353b2a7d703222156baa1cdf3d3a2f00d0c7eacc30ea538049fa0e79268

SHA512
18f951fb9da9aeccda2878dd3cdc85d10bd25b866d0cfc1a36bdec4346a37fd12bcd585bef45a52a9b5b43761a71127ce9744e2872a3c772ad19ba1e8fec02ae

Download Submit
C:\Users\Admin\AppData\Local\Temp\81F1.tmp\b2e.exe

Filesize
9.5MB

MD5
3129a0f20257034578b3d40cf7e19adb

SHA1
7a4157a43c2817b7f2017fccbfad26fa967a3919

SHA256
f8c65f3477c7d7fdb6c69eee2ab52e1be8564b7c0956bbb018dcaa89c50bf12b

SHA512
53df300d93b73a27a035898f4fccafb4b0d75a37c6f294ff835b383e0533739a7b152fb846fbe13be9a1944cd9bc00e34648176440f415982200a979ac9967bd

Download Submit
C:\Users\Admin\AppData\Local\Temp\8424.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
6.6MB

MD5
95f427b1ad03cd73f89346a4da6a41f5

SHA1
0cc0089ddf6adeaf118033ce72ad91d0c40eb138

SHA256
5a944087be4a7bda4b40ecf502a91f335624dcfb4734666c2b91447a6cfa01a8

SHA512
d4263a8ae46a064fbb60f8638e48b203aef9c4e4af9e8c66691720b4284bcc891c8e6bdf3de97d1f451b826ddc71bc904c587c0ae1c78f90729998a5813622d7

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\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
7.6MB

MD5
0bfd6c8aef9f5c1a1deb9773400ccab6

SHA1
43176bbbdd803857aad23ddb838a454855a38787

SHA256
af5da945706ec34fa436b811b0b43cf1091b269d14e38ba7fae537844e4aa5ea

SHA512
846e49b00c176a96d57297a6d729954c946e10870c77617db4722217c629d0ef7b32edee9491b0d8555975d89e4d8159037e19e7f67c94b4eb3d47bb848c10e5

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

Filesize
7.6MB

MD5
d40459739982422e8f580af0bb5fa4a7

SHA1
5602cc315e8b1893dcc473dd7b6307c8b7cb84cd

SHA256
6721ac1d539d4931342aa728144523497f4106047720ddc8704f002a5a74bbe2

SHA512
71287c864ca86273fe979d64a62bd52d14c8b78af9f6d910b2265e2d6bceed70a18d43fcd1e4f530479b8fa97ef91a90fe5a7d234473bf88f30fe7f7b1a997c9

Download Submit
memory/2100-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2224-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2224-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2224-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2224-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2224-43-0x000000006B1D0000-0x000000006B268000-memory.dmp

Filesize
608KB

Download
memory/2224-44-0x00000000010E0000-0x0000000002995000-memory.dmp

Filesize
24.7MB

Download
memory/2224-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2224-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2224-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2224-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2224-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2224-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2224-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2224-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2224-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2224-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4080-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4080-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download