73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
299s
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, 10:36

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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
2920	b2e.exe
4576	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4576	cpuminer-sse2.exe
4576	cpuminer-sse2.exe
4576	cpuminer-sse2.exe
4576	cpuminer-sse2.exe
4576	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2000-5-0x0000000000400000-0x000000000393A000-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 2000 wrote to memory of 2920	2000	batexe.exe	74
PID 2000 wrote to memory of 2920	2000	batexe.exe	74
PID 2000 wrote to memory of 2920	2000	batexe.exe	74
PID 2920 wrote to memory of 4940	2920	b2e.exe	75
PID 2920 wrote to memory of 4940	2920	b2e.exe	75
PID 2920 wrote to memory of 4940	2920	b2e.exe	75
PID 4940 wrote to memory of 4576	4940	cmd.exe	78
PID 4940 wrote to memory of 4576	4940	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:2000
- C:\Users\Admin\AppData\Local\Temp\881C.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\881C.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\881C.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:2920
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8A10.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4940
  - - 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:4576

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\881C.tmp\b2e.exe

Filesize
7.0MB

MD5
13afe7d1bb91a2e1c06d59e29de4926f

SHA1
a6f4b88346d6eee00342bb0c482d1f12901a6324

SHA256
23a130647b7504c256f605820ce413cef22ea8c67768fa0a7643db5bba3d3184

SHA512
43c397186538f76cfe7dd19127c4419e61483ae6be9a4db991cb01e5da092b61fe165a9e11a34f2914c68cc208c711d42a4226df6a15ff984f9ba78083de9037

Download Submit
C:\Users\Admin\AppData\Local\Temp\881C.tmp\b2e.exe

Filesize
8.0MB

MD5
7279634f0e380860d67384613122a9b4

SHA1
5d0537b4005e31cc6f7a80cadd7ff60c58ba945c

SHA256
36f68e917f927c17c9e1aaf09c4f5daa592475d037272aeec658689c7a571678

SHA512
ab5ccebcc50e9af826b72764aed37a688c5a142badd8ce5ea388f9661ff373cd67ca4a7006f1217fb261fbe4c6454e369012caadc8ad2d0d6f7a874462800bac

Download Submit
C:\Users\Admin\AppData\Local\Temp\8A10.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\libgcc_s_seh-1.dll

Filesize
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

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

Filesize
4.3MB

MD5
428db8d7bc75a88df642463e7d9eefc4

SHA1
45287d69520ff2ae85e09d07a21137c4009b2755

SHA256
8c1fe9bd940c4e4e64bf34a8495525d7fcce1e312af47d053906f7a0e38d4fb1

SHA512
3279dead2b0ab9d3e9692f0821732fba483d9c2b31d3ca6e64d332825d68d04f23125b4e852161c68e1788131c6629f1c612c0319b54bbc306ac1fd8fb1c8da9

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\libstdc++-6.dll

Filesize
4.6MB

MD5
aa9ad3edceaa1200d52229280d54d5c5

SHA1
5e4d72251c4c05c8d5c2f4c021bcc2cce8fe232b

SHA256
159183075903b583670c1a1d268db76492373d29658c8109fa9dce6bd9527005

SHA512
5f2bdc9b0cb0e0f043fb03c45cb1bc31e16dd699879884eef07d8ca5cfae94271a0f94b89b7cce8ac199f709c0f14da3360b21d83f5342b9703a58dcddd856cd

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

Filesize
3.6MB

MD5
7d12538e6e725553323280eb10a5acfc

SHA1
ad5fd82067c92c1a3928d5ab7fd676a9bd8e10c6

SHA256
25a5851e12c93673b0dd2c4bbeb3dec9cee4a2cbf17453cabccffe4bf3683c9f

SHA512
3d5426e1c30574c7bdbc532638b1c90491884df46538573c4a5f9d8d357acbd96cf213faae786b508feaf897a50090a1f0165312e2b5977d1ca5d1fd228b94b7

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2000-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2920-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2920-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4576-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4576-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4576-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4576-44-0x0000000001090000-0x0000000002945000-memory.dmp

Filesize
24.7MB

Download
memory/4576-43-0x0000000050D10000-0x0000000050DA8000-memory.dmp

Filesize
608KB

Download
memory/4576-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4576-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4576-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4576-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4576-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4576-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4576-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4576-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4576-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download