73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
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
19/02/2024, 15:16

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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
2780	b2e.exe
2452	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2452	cpuminer-sse2.exe
2452	cpuminer-sse2.exe
2452	cpuminer-sse2.exe
2452	cpuminer-sse2.exe
2452	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3172-4-0x0000000000400000-0x000000000393A000-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 3172 wrote to memory of 2780	3172	batexe.exe	76
PID 3172 wrote to memory of 2780	3172	batexe.exe	76
PID 3172 wrote to memory of 2780	3172	batexe.exe	76
PID 2780 wrote to memory of 376	2780	b2e.exe	77
PID 2780 wrote to memory of 376	2780	b2e.exe	77
PID 2780 wrote to memory of 376	2780	b2e.exe	77
PID 376 wrote to memory of 2452	376	cmd.exe	80
PID 376 wrote to memory of 2452	376	cmd.exe	80

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3172
- C:\Users\Admin\AppData\Local\Temp\90B7.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\90B7.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\90B7.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:2780
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9308.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:376
  - - 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:2452

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\90B7.tmp\b2e.exe

Filesize
6.8MB

MD5
a0fa21692f12b8adfe34e1061cf4d671

SHA1
fa7175d23151fe28a490509fa44347f85dcff603

SHA256
6b4637c970ad1a1ec8869b390cc46a39520111e5b8d90180e20faa5cc9cd0047

SHA512
c9f3b3d62caaaa701b4f99bd731f6fb1aa703aa8a5e9609bc779489598855952ec70933e0afe7eb885018a5cd6f270132e21992b4bf698ee6ef90b9dce24557f

Download Submit
C:\Users\Admin\AppData\Local\Temp\90B7.tmp\b2e.exe

Filesize
6.9MB

MD5
5f0550349b0c3bed61d6919020c9ea59

SHA1
8d1e92e63bf77fc91e6ffffa3cef1cec5488b2c6

SHA256
d0f706360fae309a304b1de43a2c9047427bbdc90f9b1d33a70e6690e397449a

SHA512
b4345b8145add52a112e3c526da015daea07f9ee130ef8bcddb6449a1a88087020f9c68a0b8d1a5f3426c62f89a9007d4307a93187b44b903a4946b952d5d85c

Download Submit
C:\Users\Admin\AppData\Local\Temp\9308.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
3.4MB

MD5
f2b398c16f79c3c197071cb47146efbd

SHA1
59e884f44bec19f8d5018bb5b8f79e79b98b69c3

SHA256
c3be97bd0e7ea842120b24afd7fa0ad1435d0a8eb0ecb36a611c6de105c98f23

SHA512
31c48626b43e32efa3b120894e77b75ed3542c96e9e858beaeac512740b7728b061b7ec70db496403e81ef493741ed13045d3c9608a53be181c8a77180191244

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
4.2MB

MD5
1bdc20ff5d230d5761fc0203f6bfc6d0

SHA1
4a7877dc0c5e6dfa42243b1c9c74f584d9a20046

SHA256
adfaed838afbee5b973edca3d1bf116fa72b805257ec655e3762950321953348

SHA512
fa434d11e515511ab5d548541b08a6678620c10fd0792c7d331736aff7c060d272b705ac0ee11a212fce6d0a3571c5c008c0db6e6d62976aa1a5066fb9286988

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

Filesize
3.8MB

MD5
b0412c20fb83e346df76b3f1b9bed5ca

SHA1
a1475bb8a5a027008744434b73a161d64bbb8fd9

SHA256
a514e5c4a27af4ac25ceffa7b4bca873180ba349502467357a83e15bca4d97c7

SHA512
0051757290a68b524fe7799082bc23f449191b9f54b885e22f5384042394ebbdce79b033960ab659ca1a58551fc7c5a6917491a8fcf70c7eae0ac6cf20d2a333

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2452-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2452-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2452-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2452-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2452-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2452-42-0x0000000057CA0000-0x0000000057D38000-memory.dmp

Filesize
608KB

Download
memory/2452-44-0x0000000001070000-0x0000000002925000-memory.dmp

Filesize
24.7MB

Download
memory/2452-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2452-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2452-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2452-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2452-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2452-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2452-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2452-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2452-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2452-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2780-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2780-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3172-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download