73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
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
22/02/2024, 01:38

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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
4500	b2e.exe
364	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
364	cpuminer-sse2.exe
364	cpuminer-sse2.exe
364	cpuminer-sse2.exe
364	cpuminer-sse2.exe
364	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1800-6-0x0000000000400000-0x000000000393A000-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 1800 wrote to memory of 4500	1800	batexe.exe	74
PID 1800 wrote to memory of 4500	1800	batexe.exe	74
PID 1800 wrote to memory of 4500	1800	batexe.exe	74
PID 4500 wrote to memory of 1236	4500	b2e.exe	75
PID 4500 wrote to memory of 1236	4500	b2e.exe	75
PID 4500 wrote to memory of 1236	4500	b2e.exe	75
PID 1236 wrote to memory of 364	1236	cmd.exe	78
PID 1236 wrote to memory of 364	1236	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:1800
- C:\Users\Admin\AppData\Local\Temp\C861.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\C861.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\C861.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:4500
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CC68.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1236
  - - 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:364

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\C861.tmp\b2e.exe

Filesize
15.2MB

MD5
22a91cfd1f4093ef62111265d338a344

SHA1
2ab21b380232283bd1ed18e6207887597079bc0d

SHA256
5e2e4941919c3e5390ef42ed60e3f1e2cd1fa5a908a5f9ce4f1619702460ebe5

SHA512
9e4b151c03bbd70ade4b1859ed926cfe20ac2a577982c776896a27dc6fe1f5b5e3d9dbe35e9147cae4e753546ed55f5cccefb1c3759b393392ce964d2255dde2

Download Submit
C:\Users\Admin\AppData\Local\Temp\C861.tmp\b2e.exe

Filesize
7.5MB

MD5
eb3eed2fffb5131c72c5a4cf13f5dd55

SHA1
0e61e722591e4c2dbf46132960130778b74b6bf8

SHA256
e8fb8faf1951245d5533afe3db3f3748f9130e82bf7a2f757c6b60353e830901

SHA512
bf242cc282816e2315ed9f66e111e8cf751f815fa3d748e60eda89d6e7afa7944844df10e273c4cfc6bc2ced07c19cd3ed5cafa9d6544138ed311742311ff852

Download Submit
C:\Users\Admin\AppData\Local\Temp\CC68.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
1.9MB

MD5
a1901e47f2e8886351905dbcb3be702a

SHA1
cc5050f482f82d4e70994bb77ae7882b7ed147d9

SHA256
2c92ac9aabe2e54efe1ccadd193bf0b8f3e2ee910bbf4b3d0326b5a6bf6423b0

SHA512
08daf0e5be48288ac7d3e539103a21f997263d2f134ec0aa9c1b21e550d923f832acc6c9ecdf8edb99a7d17b8a238de9d6d7b074238b96e502edf2bdf1c0ccd6

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
6.9MB

MD5
f904a44dbbbe000cba30e419fdb08907

SHA1
4a4ec0e00568f5af0ad204db3d90da6492f312ac

SHA256
dc07dec09bb229672c4b1e520a69032f53727ebdc68d70472126fcba5860b199

SHA512
1b507ef04697bd022fd61495083f7bd316215a014ce7262e2d004a3763cd560e39548f9289b98e072583dd235ecfd3abc145e8e467ec96e0b41628993576d2c9

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\libstdc++-6.dll

Filesize
7.0MB

MD5
51938f208ab7ce2700ddd9f763eadd0f

SHA1
5b2067861b34615d61276b0169537dd81f50f40d

SHA256
ef536a93fbc34ba8e64aaad734d4dc75b87892a5798447eb1943c5ab0eae7fdf

SHA512
8369c3b3295abe11c76336fc7448f86876bd6def39a27de9189bb93a87468e2fd2fdf68faca774eaa1ce72ed11090024039bfbe6dec36f72c620eb3114554c47

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

Filesize
8.1MB

MD5
cdbe5da047a830bfd795831915674d6f

SHA1
e56b010b0129eb935b8d58c8ec03a5b94c9b7fde

SHA256
ffadd3ffaf32f318b4b6488c6c88b012d4341352adcde1fe0aa9aec0ff25db5a

SHA512
683a78643dbfd47bf7a26195cacfd485befd07803909ffb4de989bb1806e2b75b1f4a8ecb5eb0d7dd1a521768d9c35203b3ac34c3bbf3554455b4c71cbe83d20

Download Submit
memory/364-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/364-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/364-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/364-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/364-43-0x0000000065510000-0x00000000655A8000-memory.dmp

Filesize
608KB

Download
memory/364-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/364-44-0x0000000001160000-0x0000000002A15000-memory.dmp

Filesize
24.7MB

Download
memory/364-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/364-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/364-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/364-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/364-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/364-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/364-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/364-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1800-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4500-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4500-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download