73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
298s
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
18-02-2024 14:12

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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
3920	b2e.exe
4752	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4752	cpuminer-sse2.exe
4752	cpuminer-sse2.exe
4752	cpuminer-sse2.exe
4752	cpuminer-sse2.exe
4752	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2940-4-0x0000000000400000-0x000000000393A000-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 2940 wrote to memory of 3920	2940	batexe.exe	74
PID 2940 wrote to memory of 3920	2940	batexe.exe	74
PID 2940 wrote to memory of 3920	2940	batexe.exe	74
PID 3920 wrote to memory of 2228	3920	b2e.exe	75
PID 3920 wrote to memory of 2228	3920	b2e.exe	75
PID 3920 wrote to memory of 2228	3920	b2e.exe	75
PID 2228 wrote to memory of 4752	2228	cmd.exe	78
PID 2228 wrote to memory of 4752	2228	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:2940
- C:\Users\Admin\AppData\Local\Temp\B268.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\B268.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\B268.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:3920
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\B536.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2228
  - - 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:4752

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\B268.tmp\b2e.exe

Filesize
13.2MB

MD5
9bde5b4212cd70173f3b1fedef6dff0a

SHA1
25dfffc276821410564a1e6feb86704cc05e9810

SHA256
0feff60e64135a340ec20ec5c61c35533bc9852fa43a3abfc8d2617cb9118752

SHA512
360a8b5477971e725cfc3334a5ce14392fd8840725dd2032edb2c34baa42079ccba24f9961648199c1358cd319ce04edad55f853eef45da66774e4e8db755a1e

Download Submit
C:\Users\Admin\AppData\Local\Temp\B268.tmp\b2e.exe

Filesize
16.6MB

MD5
0b90df9736876e70e66dbfe93a2731d5

SHA1
8f21318a8df1a53574683d6d55feca690de0dfd0

SHA256
6c54d78cdbc1801498601e82f225cea9dfd2ea5a397aa29e2e877948c9575220

SHA512
96141f1b8d4fbda36c6bc8c685ec427457a038e6b2f621d3216a72b375b4c1a2838cad1bfd00154b121fabb416b415cee09e07a2171a2e0525952564cbfe49eb

Download Submit
C:\Users\Admin\AppData\Local\Temp\B536.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
7.5MB

MD5
c4fd8e60ea07ebbc6696803496aea8d5

SHA1
5da247392b68c98ae21358f275598d52bf64911c

SHA256
8dbde4c604360caca7006915289963c227f2987603ccb30bb334b72a944bcf04

SHA512
e8bd5958fdd98ec52a24036a3110f4cd18e6e0b093346d018c6febfd8475f2233e0d79f1b98b1b72ca89df33888bef99cd24a521f747212a3fd3b8222757cf14

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
6.7MB

MD5
4823f522b5cd16c0837b8a94d3344765

SHA1
2dcf0b9faf91863007d3d3c6fcfdae6c76a9f763

SHA256
07cf84f40830cb7347cda7ff16e837f8340d26a487a7e5bf7e19b3b6a4e8c3b0

SHA512
4a769facc11d124119e7164cd820e7f34c5a93c89661dd568e5ffa0fae4a04ec8afed67d6e6c24e6f68761a6458506790ab29c8a55eca0f25465bfb5e9b233c0

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

Filesize
6.0MB

MD5
95a425100f274855d9e20b5704a914b2

SHA1
325326a4dcc6887e15c200525ddbadabcf0d3035

SHA256
bf6f11ecb066c535706f4a4d1a90387b099448a156b0c4d8e5b3cc8dfe998768

SHA512
10c595d0c4c15611b586b41d5d4fde0e5f82a6950edd4bbaae8bef1216cb4b81f1d1eafca3a826fd98a9cbe395631bc1e0439bf91cf2ca53e76080364569dec4

Download Submit
memory/2940-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3920-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3920-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4752-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4752-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-42-0x000000005BBB0000-0x000000005BC48000-memory.dmp

Filesize
608KB

Download
memory/4752-44-0x0000000001160000-0x0000000002A15000-memory.dmp

Filesize
24.7MB

Download
memory/4752-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4752-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download