73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
max time network
297s
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, 08:29

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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
2620	b2e.exe
516	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
516	cpuminer-sse2.exe
516	cpuminer-sse2.exe
516	cpuminer-sse2.exe
516	cpuminer-sse2.exe
516	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3372-5-0x0000000000400000-0x000000000393A000-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 3372 wrote to memory of 2620	3372	batexe.exe	74
PID 3372 wrote to memory of 2620	3372	batexe.exe	74
PID 3372 wrote to memory of 2620	3372	batexe.exe	74
PID 2620 wrote to memory of 1852	2620	b2e.exe	75
PID 2620 wrote to memory of 1852	2620	b2e.exe	75
PID 2620 wrote to memory of 1852	2620	b2e.exe	75
PID 1852 wrote to memory of 516	1852	cmd.exe	78
PID 1852 wrote to memory of 516	1852	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:3372
- C:\Users\Admin\AppData\Local\Temp\90C6.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\90C6.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\90C6.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:2620
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\92CA.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1852
  - - 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:516

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\90C6.tmp\b2e.exe

Filesize
4.9MB

MD5
275af7d3df053964d0c580b8fbd02e9c

SHA1
0cfbfcef7e46707b9987e82437a2de3db322a205

SHA256
3e1eaa7a5e90be310ad969ba372964bfb731d411b5f9d7342e3ec9ee83bcb731

SHA512
d2486f7c27dc96f4ceb64d5396a425024d0e10cfe0c0a5b523df932bb5ba372bf9a2618e596bae6ef1ea902129d1b5d3fc982ecfb623a1fdab31ed0485148d22

Download Submit
C:\Users\Admin\AppData\Local\Temp\90C6.tmp\b2e.exe

Filesize
5.8MB

MD5
d12c661fef6413844f24fd4bb1c86169

SHA1
f027fc9bf6aead92d8135baa4b26634776dc1e49

SHA256
33910f1553b1d68b694b65c3c0862e203ee49efc05d76469737767d2bafaf0ed

SHA512
754a10fcc2630da9a4d52f85c4eb6b6979bdd2ec0dad0ce6cbf4c47db395e3fc72a06998bfdcd257a439517287eae2c19e3df37d76e0de542cf412dca883551b

Download Submit
C:\Users\Admin\AppData\Local\Temp\92CA.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
4.9MB

MD5
7df0f05f019cf1d6c6e3a65a4741ad01

SHA1
ea49f6406265c0ee2c0ebad2ee0133009ab98d4a

SHA256
831fb4a0aa4af0c01abf48c3530b4d5927422cc2b76287bd4062d38a4563962f

SHA512
11a931282ba18b6f5695d51a7a82f6075a80f1ee43b457650d758de0808ac417831c1d69e47ee2a000a67a3fee744a55262306e7ba3db99ab59b5301c7351ce0

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
c32c466262acd8e37d34c12dd3fd3df2

SHA1
438ff647ab145cbe7a9f76e584788ef0bb23c59f

SHA256
7434d175424c65ba82cad405f9a30b659c9e60314d1faa1c58c9bd4d3d24be46

SHA512
eda3ce8af8299c695977054bc91b1028c43d24276017290eb93973b40be588a16ae152b50f40bf1666ac1e5d53ce45235965fc86c7a6726ec890bf735e873a8e

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

Filesize
3.3MB

MD5
181b647a597feeebcf81e4d3d4b3d190

SHA1
4c1be8a7dd40d81cdf55b78f3eb0c75fb36baf3c

SHA256
59f68781d82ccd78b680a286f53794af0728033835798eb2fdd1c53b252d3429

SHA512
9a0df4cb43eb527ffbbb363d9f430522b533a31c0dcc24cb9ae72decb66d585ac132c1b3e82c7d96953c71b36441798a2b44b429be28224c71004eed7ff5e6f5

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/516-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/516-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/516-43-0x000000005CEE0000-0x000000005CF78000-memory.dmp

Filesize
608KB

Download
memory/516-44-0x0000000001110000-0x00000000029C5000-memory.dmp

Filesize
24.7MB

Download
memory/516-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2620-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2620-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3372-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download