73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
299s
platform
windows10-1703_x64
resource
win10-20231220-ja
resource tags

arch:x64arch:x86image:win10-20231220-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
11/02/2024, 21:34

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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
4592	b2e.exe
1996	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1996	cpuminer-sse2.exe
1996	cpuminer-sse2.exe
1996	cpuminer-sse2.exe
1996	cpuminer-sse2.exe
1996	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/5040-5-0x0000000000400000-0x000000000393A000-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 5040 wrote to memory of 4592	5040	batexe.exe	75
PID 5040 wrote to memory of 4592	5040	batexe.exe	75
PID 5040 wrote to memory of 4592	5040	batexe.exe	75
PID 4592 wrote to memory of 1336	4592	b2e.exe	76
PID 4592 wrote to memory of 1336	4592	b2e.exe	76
PID 4592 wrote to memory of 1336	4592	b2e.exe	76
PID 1336 wrote to memory of 1996	1336	cmd.exe	79
PID 1336 wrote to memory of 1996	1336	cmd.exe	79

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5040
- C:\Users\Admin\AppData\Local\Temp\973F.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\973F.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\973F.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:4592
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9904.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1336
  - - 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:1996

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\973F.tmp\b2e.exe

Filesize
6.5MB

MD5
6d05ec93cd67acf49e9460cc475ece40

SHA1
1e2831af1ddb08adc0ab105489a4fae3cc56405b

SHA256
c804fdf6c26bb1e21f5e43dc504d6858494d72305680ee21d021d39679116988

SHA512
69336421b6170706a0fba98f6ed72b9795508ae3fdf32b0594b000bd98edd8f6595cf8b106463fc83ce083bbf0f8ecab41a6e2195776ef3773fb5eb7410b7396

Download Submit
C:\Users\Admin\AppData\Local\Temp\973F.tmp\b2e.exe

Filesize
6.2MB

MD5
3895d468c971fc0e777c38eefb977764

SHA1
d2ce65cd94478bda13e72418cf85745bc0692553

SHA256
fbe733c6b15d866887417f3e614391b18f5bf19b20b65c3217ce574191334dfb

SHA512
a1fe8060b1c885ae7a573e27f5a1bc016090a66c32f903af8e9cca4a4244e169113006970aedd276a60236b502c766746133bc490c948ce49a44b5b507cb4a51

Download Submit
C:\Users\Admin\AppData\Local\Temp\9904.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
4.6MB

MD5
22213ac3c939f9bc2de46c57a596c0e3

SHA1
f1d6effbbaaca1da70197eb3fa88680b3e037582

SHA256
d234baa195607c9941b288399a23ffd3547e676a36cae94c450955b22cf5a168

SHA512
372b08fe51b25ea40b19f5a830ef6b0165d276cb1417b88848fb2ec265c691799eb75b101917e7274f77138f701b6dcf574e7da910500e6d83d38b14b0a91493

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
4.0MB

MD5
d5dcebd92be89dcbcaa8b71a9c524e98

SHA1
e2a311a33c7115305406320c1899ea960190f2ae

SHA256
ea160e7128b1eb07815b0789d518ba38bd1d770f8c5026fc792ccac23ffbedb3

SHA512
37d375cb2a30d9ef754f260fd299308fe69311431e83e34fe88f16a2d7acb406a60f0e0c025235cab3b481848eb8ec612c48c89c4eb1e6e5703a7494b4bc70ae

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

Filesize
3.3MB

MD5
5aa4a98538cf8a469e465f68bfce0506

SHA1
41d45c37d7d15ea28d9490f3a86b85de9f437f35

SHA256
6275ea2d26c1dca6779f7c7a3e37ce7171775e5b40fc19f2cd594cc535e01ce6

SHA512
695abffc1e6b33d8147a9886874a9aef7a8a4cce1172aba21f4633f80be39ed9b4a5b6b404f6576bbe1240dbad86ae3dcf0cc4c180d4e02f648dc1227bf3b224

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1996-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1996-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1996-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1996-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1996-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1996-43-0x000000006D380000-0x000000006D418000-memory.dmp

Filesize
608KB

Download
memory/1996-44-0x0000000001030000-0x00000000028E5000-memory.dmp

Filesize
24.7MB

Download
memory/1996-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1996-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1996-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1996-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1996-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1996-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1996-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1996-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1996-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4592-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4592-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/5040-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download