73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
296s
max time network
301s
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, 14:40

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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
4656	b2e.exe
4968	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4968	cpuminer-sse2.exe
4968	cpuminer-sse2.exe
4968	cpuminer-sse2.exe
4968	cpuminer-sse2.exe
4968	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1208-6-0x0000000000400000-0x000000000393A000-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 1208 wrote to memory of 4656	1208	batexe.exe	72
PID 1208 wrote to memory of 4656	1208	batexe.exe	72
PID 1208 wrote to memory of 4656	1208	batexe.exe	72
PID 4656 wrote to memory of 4840	4656	b2e.exe	73
PID 4656 wrote to memory of 4840	4656	b2e.exe	73
PID 4656 wrote to memory of 4840	4656	b2e.exe	73
PID 4840 wrote to memory of 4968	4840	cmd.exe	76
PID 4840 wrote to memory of 4968	4840	cmd.exe	76

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\EC0.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\EC0.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\EC0.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:4656
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\177B.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4840
  - - 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:4968

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\177B.tmp\batchfile.bat

Filesize
136B

MD5
8ea7ac72a10251ecfb42ef4a88bd330a

SHA1
c30f6af73a42c0cc89bd20fe95f9159d6f0756c5

SHA256
65e2674fc9b921a76deaf3740603359794c04e059e8937ab36eb931d65f40ec9

SHA512
a908979d588625aa24eb81238d07d88a56be5388e1265ebd2fe09889ed807aa9a4af77107e72a843c31acadbe06db0d7f6f6a3c95fb481a71e549e8eb74c2ff0

Download Submit
C:\Users\Admin\AppData\Local\Temp\EC0.tmp\b2e.exe

Filesize
3.9MB

MD5
0e174c917ac04f1324909128dcea39f4

SHA1
c8e2095c05aca81005da419ac804b479e6f00eef

SHA256
471671c7eb6697c7948fd841395f5dc55df43ad790e96f4e255c05d5dcc2a452

SHA512
b0608dfb7e2e2e844f41a7c6fea20ad8a1df9fa20e6fd4342a0929a737553ccade3c62c1d60aa9ea7b63f4c25b53d7b732df9120daa856e645bec6c0707f22f2

Download Submit
C:\Users\Admin\AppData\Local\Temp\EC0.tmp\b2e.exe

Filesize
3.2MB

MD5
35d614acc52ac1f063676559357ef3a0

SHA1
38bb0f406b81b4c032d7958594010287638ecd96

SHA256
397dbf36993a3df62c00ff4c243d4fa121db1cedc849f2463fde7f4b6b8005d0

SHA512
0c20d72bef049a19448ff7864f4f57a113dcbaff81dad6c45b4073cddfb9e719f5053242d98d312263a7bec791a002f26c62a24b83fc755a5ee1f47a7f8427fb

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

Filesize
1.7MB

MD5
95007cedb08d571126a17f402b8b28ea

SHA1
8de58ce3ec347e14d39fc6b10efbd8927d48fe42

SHA256
341b11e6cd0fa041a4763ad44844892a0daa6d872b67248ac4749f5b4145dc33

SHA512
1be4f7369dd8c12bc85085d0ed23a8b6f68ed90e6834fd804bfacfeaeb69ddd9a9f13d3799216942b9f80d47fb871c41784256c8739a927ed2cb5b9b1c5ffb5c

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
1.5MB

MD5
bf3c0188d009c19440140ac49d27060e

SHA1
6900fbad7914707a8c499af85593ff712b168f19

SHA256
93d8037da0a82f61d11de5e9ed5a94b83b5a61fa4404e877a471e3f8c7ed5b1a

SHA512
b3ce34c8a09dc9ecb60e7106345852dc48a93d40e09d0438f82e761fba48c0dcded6aa3ea77dda912e6ea75b1d34d2fb3b046296af471db3c3a1a4fbefc9b4aa

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

Filesize
2.1MB

MD5
c9125b37becbac72580204e6c31e3376

SHA1
0f718e3db85a718769920f55088798d78ee84151

SHA256
a0c5bfa828c3edd8f66fc74659e78ccbe99ecb9cce4683107b755673080ff370

SHA512
b65d02b28cfafbe710c4c058403d680785ffbf5a7b63d21d6557c0ae917b861683594d9e72141c7c49514748de54299067cf8c8bda4d7d6862dab3ae1973861b

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

Filesize
2.1MB

MD5
56514b92e85f8db455fdb6586946afbc

SHA1
66f503466d71d26e5f553ab27394b4a4b3cafac0

SHA256
dd84376fdadf79d1d49a3eb41cffa973166da118cfb4fa4f79d884af1b207e4d

SHA512
96af3a0743b2d8671231b0df84035e3739fe33528d200c933a553c424cea8542301b99ff56fcbf7215fa72c2320ab2399c942bcd3114ac17d4906757103c5d93

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1208-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4656-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4656-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4968-43-0x0000000074E60000-0x0000000074EF8000-memory.dmp

Filesize
608KB

Download
memory/4968-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4968-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4968-44-0x00000000010B0000-0x0000000002965000-memory.dmp

Filesize
24.7MB

Download
memory/4968-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4968-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4968-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4968-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4968-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4968-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4968-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4968-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download