73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
295s
platform
windows10-1703_x64
resource
win10-20231220-ja
resource tags

arch:x64arch:x86image:win10-20231220-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
13/02/2024, 20:22

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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
2784	b2e.exe
2636	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2636	cpuminer-sse2.exe
2636	cpuminer-sse2.exe
2636	cpuminer-sse2.exe
2636	cpuminer-sse2.exe
2636	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4496-6-0x0000000000400000-0x000000000393A000-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 4496 wrote to memory of 2784	4496	batexe.exe	75
PID 4496 wrote to memory of 2784	4496	batexe.exe	75
PID 4496 wrote to memory of 2784	4496	batexe.exe	75
PID 2784 wrote to memory of 4852	2784	b2e.exe	76
PID 2784 wrote to memory of 4852	2784	b2e.exe	76
PID 2784 wrote to memory of 4852	2784	b2e.exe	76
PID 4852 wrote to memory of 2636	4852	cmd.exe	79
PID 4852 wrote to memory of 2636	4852	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:4496
- C:\Users\Admin\AppData\Local\Temp\9143.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9143.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9143.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:2784
- - 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:4852
  - - 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:2636

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\9143.tmp\b2e.exe

Filesize
7.1MB

MD5
3fefceb4dc5240ad8429214dc8b5d9b7

SHA1
d571fd3bbed64352cc9e96f6703ac83e19dcbf94

SHA256
04d8e63e948b596ce198d6509e921cad5bc7721c3fe677a1d251d80743482b24

SHA512
7061f90f35b77c962df13a3ff9bdebc7b3f51c541b9bd71b23b0a7cc557ef8293b920bc0aca2f0e0ea5f92f061c6c51152207c2900638d9917fbf262272ee9f0

Download Submit
C:\Users\Admin\AppData\Local\Temp\9143.tmp\b2e.exe

Filesize
8.4MB

MD5
ce0f35d94c982653818d2200b9c6136f

SHA1
c6b711de257bf5f6e6e71c6107f124ab472cd316

SHA256
387d2c69ce716beb2a7bacf4fc7b190d670061e77a781bd03cc22a331b209462

SHA512
a58a9fc1b8d770dcd812657fab257292d544a733ffda05322f6ccb55ae64988c8168b67d565c7f843c8b6e9387f7f25caec6535567bd1993a238927ca5e9b91e

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\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
5.2MB

MD5
f5975a6f02ee20e0b9e9c5cf0da3dccb

SHA1
cdbf7020495efccc5040ff537590485e9ac1bbd9

SHA256
dc00c8f6a47a6ce12a753c1ea433942daaa3550a3779e597f22f604657ba69f2

SHA512
e30b96dcda0f1f890d2d8b40cba636caf2bc9fda224140e4b437b8e3cbe9056333701872a7c27e84d09e20c20419235d8ec53be4ff46600d210c56e95a7f10d3

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\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
7.7MB

MD5
921c67940eae9f6fb1c74a15ff580121

SHA1
32b5b16b4486038aa996aff266f9eb7d83b51872

SHA256
9beae30cd3f3fdf2e1afd752c1937e8d21ebe07081898baf0fa1ded2b2410128

SHA512
e9419cc3002e8cd20ba3023d29d08e87e1f1ec60f91d66598cae74f39b87daf1de107ecbfc424ef95cbed9c9863f2aac35afc92b0c77543a10718c4ecc6c182b

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

Filesize
6.9MB

MD5
299b69fecd3464ed3bf901d36d093063

SHA1
975408c416df91d0353b302db83bc25be01b3a7b

SHA256
4fef8315c276c0519db7e20dfcafbb375363723c5099443b4ef45ed087fc0fa0

SHA512
dc5390f2301110a7ab0d7ebf77b4f5fe84b69ae6728eb0b615452483b58e991c448b5673b428920ccfee3f3cf7786034a5f254a7be3415b681b4c5c9c6eac93f

Download Submit
memory/2636-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2636-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2636-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2636-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2636-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2636-43-0x000000006F0E0000-0x000000006F178000-memory.dmp

Filesize
608KB

Download
memory/2636-44-0x0000000001130000-0x00000000029E5000-memory.dmp

Filesize
24.7MB

Download
memory/2636-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2636-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2636-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2636-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2636-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2636-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2636-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2784-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2784-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4496-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download