73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
299s
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
18/02/2024, 18:04

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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
1892	b2e.exe
2492	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2492	cpuminer-sse2.exe
2492	cpuminer-sse2.exe
2492	cpuminer-sse2.exe
2492	cpuminer-sse2.exe
2492	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4012-4-0x0000000000400000-0x000000000393A000-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 4012 wrote to memory of 1892	4012	batexe.exe	73
PID 4012 wrote to memory of 1892	4012	batexe.exe	73
PID 4012 wrote to memory of 1892	4012	batexe.exe	73
PID 1892 wrote to memory of 4892	1892	b2e.exe	74
PID 1892 wrote to memory of 4892	1892	b2e.exe	74
PID 1892 wrote to memory of 4892	1892	b2e.exe	74
PID 4892 wrote to memory of 2492	4892	cmd.exe	77
PID 4892 wrote to memory of 2492	4892	cmd.exe	77

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4012
- C:\Users\Admin\AppData\Local\Temp\5D7.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\5D7.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\5D7.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:1892
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BF2.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4892
  - - 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:2492

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\5D7.tmp\b2e.exe

Filesize
4.4MB

MD5
f1e2dcebb97a85948916d3bad725bd5f

SHA1
23b710369075c10de442b55459c6bc292a47ecb0

SHA256
5290860743d90b1a9ed84a1af76d94907df48a000b511326d93cd1dbc16dcb89

SHA512
0ae204f46a4036d31f94e307a210cedf2e7a69fb664c9aece261e5d1be66620b85d4569c11a5d9cfb058aa5f1182c19c08e12015b60bc5c8da6e76610e1d363d

Download Submit
C:\Users\Admin\AppData\Local\Temp\5D7.tmp\b2e.exe

Filesize
4.1MB

MD5
55075aad2654558e78c79389d328bd6c

SHA1
3c49741995c4eedb25ab33cc269abeed7e5a00b8

SHA256
778ee0f65897dd81fdfe44499a01fd879b1c237acb9015a4b8afe1020809e440

SHA512
0060002f1ddd8ba3d108c627afb31818998a107e866db7bf1de6ce534e4974c520e8a4a34a0925c1ecac868c5f85543afd169b1ad77b81521b88049bf784ec5f

Download Submit
C:\Users\Admin\AppData\Local\Temp\BF2.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
832KB

MD5
43dd8ab1a0fd7f177db516faa81a9635

SHA1
66a8b6940797f3396a4f1a6deafca1fda5bffcdd

SHA256
d4b58fa7e09511b58f312b57e2067823a7f31ff5cd6369cbf5ef3667c27b60ea

SHA512
064753e38fb6e2d64a8ce067a52c24b55eb11cf714a534f3557a0e2bd2f5fba16030d8496c7787f4b272ae6a696f4b017d99771488832d12711a7158c927f772

Download Submit
C:\Users\Admin\AppData\Local\Temp\libcurl-4.dll

Filesize
768KB

MD5
e3f15c79f945604229fa814f57c79274

SHA1
19a7015dfbe622ab86c48693ee1605b26112a3fa

SHA256
7b09ee53447ccf77a0f2d7bfe25908f963d681433d3cba5a16c7f45646c42175

SHA512
12dc1df8a947caee13a12eca5a976feffd7408402b0495e4971d4bd7181e8d353ebc17da044d2ce6d1c273bb05a0ca5ddf7492394b355786d8b14b0997de162c

Download Submit
C:\Users\Admin\AppData\Local\Temp\libgcc_s_seh-1.dll

Filesize
832KB

MD5
d33f0e6bb5e8d2b9e111a90544790dc8

SHA1
df4e81d22638d511e761744e886c33bc12096c48

SHA256
40729edf62213c039a1818c9adb9478aa0284bb26dd071bd1ac4de1da2470048

SHA512
ce4ebeae054117d4de8b3fe2403d95a6d819483269f851618958e864887e9b2f42fc9c893e1aa207dfa2d94900c8f4214a67796ddeb2a80ce655d69ec290d629

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

Filesize
640KB

MD5
1b7339cbcb5b756c15c05fe0cc6443f3

SHA1
abdba01c4526a9bbbb7fd3853e09bce3cbb5287d

SHA256
5fcf0fb116f77206758e3a669ec4fa52648fae431a5c2aa2d7ee69944142e019

SHA512
7661b5e8413e74432a00089b1556b2f49e268b6b5c8cefd839cbe19074bffd138c18e8078627420f4082f579a9e3f8d02b199507ae36380b5375162a4d4ba439

Download Submit
\Users\Admin\AppData\Local\Temp\libcurl-4.dll

Filesize
704KB

MD5
903e2cfee96d720dd5200a922b637d07

SHA1
f6d639d7b6bb586abcb5f97b1b212252ed6c85b2

SHA256
443ef0fe0e5e9cff04e267b1bbbbc98b547e5bd38a853eb79d06a43a8e7d17f2

SHA512
c9c357be28d1d97bd5255d88bc64255f452867407c3aa4c99b286913286780da1204691a0344514f070b8bad391980a88b165eb1e8e9ee97f77ef02eb85071c2

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

Filesize
704KB

MD5
538d0a2af59454daf4418e27268ec013

SHA1
dd5e047f232d3827ba6f9c1da4f17928557dd6e6

SHA256
ef618dca52a4f65f6fd72fd721744185c44cfeff6ff90928f56481969eab4126

SHA512
1c958d315013726aa6ebc24552fb4d712a30ad6e5621db0f9037924ccb8cdf45063a01ed6da3aa50485ad084248a9c67c3513aabecf9d324eacaaa2b75f0a7c2

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

Filesize
5.2MB

MD5
7f357fdbc9d564be37f0755874b679f7

SHA1
06a282598b4f14960024264b4390517b87fe8565

SHA256
600a518d56f34c313dda50eb6400563ff69348c6c4a101e8108b9dab75b51d65

SHA512
d158e1265afc9c684a328510242907975ab7d9395345231d4c2b09e71a54e751861d49d253a96f7455661ff0f3b50069aa39b5ffaa89d5f7d88e001d86c07651

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

Filesize
7.3MB

MD5
ec1c0af627c5e09937b87fb68d244367

SHA1
19f925f931a867c7bc218cadc696e97c4d9e73c6

SHA256
ff30ef64ba22c3ad16a4dcdebf42480f69800bad22eacf31be1be5e69a6e8644

SHA512
aad8993eca64720d98e07434a2006ef771c4a7037c577ea31eb012cc7ea915ca54d473f97a26df18cc15f9b7aadfe20e1c87164785224188db91ee407d4d636d

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1892-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1892-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2492-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2492-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2492-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2492-43-0x000000006D6C0000-0x000000006D758000-memory.dmp

Filesize
608KB

Download
memory/2492-44-0x00000000010B0000-0x0000000002965000-memory.dmp

Filesize
24.7MB

Download
memory/2492-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2492-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2492-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2492-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2492-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2492-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2492-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2492-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4012-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download