73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
293s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
17/02/2024, 10:18

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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
3764	b2e.exe
5096	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
5096	cpuminer-sse2.exe
5096	cpuminer-sse2.exe
5096	cpuminer-sse2.exe
5096	cpuminer-sse2.exe
5096	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4652-4-0x0000000000400000-0x000000000393A000-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 4652 wrote to memory of 3764	4652	batexe.exe	74
PID 4652 wrote to memory of 3764	4652	batexe.exe	74
PID 4652 wrote to memory of 3764	4652	batexe.exe	74
PID 3764 wrote to memory of 4288	3764	b2e.exe	75
PID 3764 wrote to memory of 4288	3764	b2e.exe	75
PID 3764 wrote to memory of 4288	3764	b2e.exe	75
PID 4288 wrote to memory of 5096	4288	cmd.exe	78
PID 4288 wrote to memory of 5096	4288	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:4652
- C:\Users\Admin\AppData\Local\Temp\D3EA.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\D3EA.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\D3EA.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:3764
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\D707.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4288
  - - 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:5096

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\D3EA.tmp\b2e.exe

Filesize
9.0MB

MD5
6e7a2982a6779ba5aa534578834aa0b2

SHA1
cc8f9f6824befa584155d096f07db9de61bf7e34

SHA256
361c4158eadb29667d4038f27205adaf23ec4db0fa7f71b17f8ee581e249f912

SHA512
55b3808b314154aa4961606cc641170ecdb268627d2d75c183c7bf6c6eb08e9b09dd879533034ccd7abe6a2017c4641d9d41d5d428493c3e0a5ba0268b457f1a

Download Submit
C:\Users\Admin\AppData\Local\Temp\D3EA.tmp\b2e.exe

Filesize
8.7MB

MD5
d0f64baa46d7314ac48c115bdb6157de

SHA1
0001b39926122e62f5638b610bc49d0ed136889c

SHA256
3142771d6467f59c31b28e688f295189bb2ef2fbd873b621083165ea1620e864

SHA512
905957e1444a3a30c8607162f28888e8c800af95684850f5ff76e68bc8615f1c4217455d68260fd99cad0f31414f48cd1c8afa4493637379188548660287edcb

Download Submit
C:\Users\Admin\AppData\Local\Temp\D707.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
3.9MB

MD5
83713ca2d7b060a551b33a87680d2588

SHA1
a6b758328f2178f36661f9d3cd299af7b5372aa9

SHA256
6371f00ed25e1075ed8283b13fffb7c7b291bd504a4cf2d6f03502dbd61b7ce5

SHA512
047caba72b84ed6cbcbe81bb89bf6453cbc0b2656194a7fb88dac1c3b8d859006b16bcc6f11423e016b08ebf2da0659362572f9315ac9f85801d3618c5696637

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
3.4MB

MD5
23f4702ed5b9448e19e0ff2e1ab47f40

SHA1
0a15f3fdf267a468f49ebf71d82635fbb70f7847

SHA256
114bddef5ed339cc750da55479b93e8f3e3868953821371a68b21f1c646d1eba

SHA512
c75d74d8be9bb3013a6722810e2b806d6312fef091d77037064dc937f6a32240fddbe60644e89665bb0410b313ec544389665aec73957cba1792912da020179c

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

Filesize
3.0MB

MD5
1c52ea7452373d32e444d3f357f563fd

SHA1
0b006db7f76eddbb0c9bf928b20776f9a3a58931

SHA256
4f8a19119b61991de6c6c378ecf4cd165a3f74c2cd4ccbe2a91cac4cb865d5d0

SHA512
4e1ca30f73da810f2afa80cee9fa3800ece1195940cc2a7bdcd2b782bf624d6cafaf18222c1a7950fb84c54f2ad71421250e5a6dae49aad3ea484d26e688d05a

Download Submit
memory/3764-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3764-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4652-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/5096-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/5096-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5096-43-0x0000000069FA0000-0x000000006A038000-memory.dmp

Filesize
608KB

Download
memory/5096-44-0x00000000010F0000-0x00000000029A5000-memory.dmp

Filesize
24.7MB

Download
memory/5096-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5096-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5096-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5096-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/5096-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5096-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5096-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5096-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5096-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5096-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5096-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5096-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download