73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
296s
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 18:16

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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
4188	b2e.exe
2252	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2252	cpuminer-sse2.exe
2252	cpuminer-sse2.exe
2252	cpuminer-sse2.exe
2252	cpuminer-sse2.exe
2252	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2336-5-0x0000000000400000-0x000000000393A000-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 2336 wrote to memory of 4188	2336	batexe.exe	75
PID 2336 wrote to memory of 4188	2336	batexe.exe	75
PID 2336 wrote to memory of 4188	2336	batexe.exe	75
PID 4188 wrote to memory of 2660	4188	b2e.exe	76
PID 4188 wrote to memory of 2660	4188	b2e.exe	76
PID 4188 wrote to memory of 2660	4188	b2e.exe	76
PID 2660 wrote to memory of 2252	2660	cmd.exe	79
PID 2660 wrote to memory of 2252	2660	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:2336
- C:\Users\Admin\AppData\Local\Temp\96D1.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\96D1.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\96D1.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:4188
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9896.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2660
  - - 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:2252

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\96D1.tmp\b2e.exe

Filesize
18.2MB

MD5
974f596fd92d1a0dc901f00b58072743

SHA1
a439003642adf81c10455a7367a261a05f2522a0

SHA256
3f367bf3597cdf284d66afa4dc24b59490a0d67ec12b60c222a81c7dfaafef64

SHA512
2fbea730f6727ef007042f06ed92baf68d110f3180ff43a1674111c93003ec2c5bd29b1c5e7e97828dcd913fb0489676c2ebc896c686e0e0bd577eadaaef36ed

Download Submit
C:\Users\Admin\AppData\Local\Temp\96D1.tmp\b2e.exe

Filesize
18.6MB

MD5
7fcf7f320410d1955cfa47a9ebe817f7

SHA1
f05a8177879684c827c95c2c793c0c59683f703c

SHA256
131d7e5e8990ba6200fc7072f9e23c10176007e3c1611f7dcf49f16bade91a90

SHA512
9362f8fcb6ed8b9d464cbbbb4daa96cca7f3c716ba3954dd38a55071b7ac9d80db51cf16b0a7a62ec9aaea7a6e63fde404b8d975d3b0c8af1a4e7ff91de22143

Download Submit
C:\Users\Admin\AppData\Local\Temp\9896.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\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
3.3MB

MD5
137cf0634e7190fd12a7e6409dd2d63e

SHA1
a7fc2780bc0493a1fec1d0ae91bd0c5f33e5b6f0

SHA256
4097ac9dedb7c217f33bc1b835e908d38287ac88f74d98ca664abe09dcb2dd69

SHA512
a65d0ffc3d7cff8dfd448f143a5d2204529e66109a338c60e7e521fe4348deeb28bc1157ec0c2a1713f19d0c8fe6adfd6372fcd07a646eebb85e5145945b0311

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

Filesize
3.4MB

MD5
abd0f2e83da18165d9cc659e2d2d95da

SHA1
89721fb42e450c8f83ed11b846d7ef7b25a16126

SHA256
f055a385363746acc77ca1cd901153f60afcaecf74492ee7b97deca807c85db5

SHA512
bfc4308053b831ff943ae8103d0a76657db26f0a892ba1558a5f3112471d702b970be6168674e1d7218077f7b7515e87d2a9aaeef439fe78d1f042b49276d33e

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

Filesize
3.2MB

MD5
4ba51089667cd8c67341b5a56764f8b9

SHA1
ea6e08f35e291db820f92fafa7d9c6afdd594479

SHA256
36ead973ad142c587f1bb8a9743764a656468ccd20745fd136e9715845a60db8

SHA512
c64a160a128d5fef5fcd8e79ac736f2eed7c800adea4d39d312f6e960af1b4aa3ae62d761bc03c19c19903545698def4133e54027a0f3d1d09a90e03d66848a5

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2252-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2252-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2252-42-0x000000006D380000-0x000000006D418000-memory.dmp

Filesize
608KB

Download
memory/2252-44-0x00000000010C0000-0x0000000002975000-memory.dmp

Filesize
24.7MB

Download
memory/2252-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2336-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4188-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4188-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download