73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
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
23/02/2024, 04:40

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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
3372	b2e.exe
4660	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4660	cpuminer-sse2.exe
4660	cpuminer-sse2.exe
4660	cpuminer-sse2.exe
4660	cpuminer-sse2.exe
4660	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/424-5-0x0000000000400000-0x000000000393A000-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 424 wrote to memory of 3372	424	batexe.exe	74
PID 424 wrote to memory of 3372	424	batexe.exe	74
PID 424 wrote to memory of 3372	424	batexe.exe	74
PID 3372 wrote to memory of 820	3372	b2e.exe	75
PID 3372 wrote to memory of 820	3372	b2e.exe	75
PID 3372 wrote to memory of 820	3372	b2e.exe	75
PID 820 wrote to memory of 4660	820	cmd.exe	78
PID 820 wrote to memory of 4660	820	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:424
- C:\Users\Admin\AppData\Local\Temp\B277.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\B277.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\B277.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:3372
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\B546.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:820
  - - 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:4660

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\B277.tmp\b2e.exe

Filesize
2.4MB

MD5
515295c525ed629d7669467e7cb2f43d

SHA1
0efd58352ce49e026e48dbf41afa0cbcbf727164

SHA256
ddc77744adc32f9c072f785aeb015274c25a71f8c4858c57290ae80523cbc0ba

SHA512
f18ccf4acd419248c2f5d3fc1f2df5d8bb9deece8cc35dcabecb80900aa970f2d03176b1945b5c62b76eb04bf169b3a9403251871671030ec2c7d93ae4d3b601

Download Submit
C:\Users\Admin\AppData\Local\Temp\B277.tmp\b2e.exe

Filesize
896KB

MD5
1f22d8bf5f6c3dda3e880ea1ba0417d4

SHA1
2a8dbf2319999a894714bdea650eb5be32c64c19

SHA256
afb7da96abe31529f462178372c48627a7e681e3c18cd2196aec8beee07f5b96

SHA512
217b89f6a74039807c135539482b1a769d715190f7756e2b0162a33da3d8ada909b80ca3fc1596e542f163f6a45726282997f4e52a36c352cc89b9e58c1e6e05

Download Submit
C:\Users\Admin\AppData\Local\Temp\B546.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
1.2MB

MD5
d320092317674fcd03cc503215ee7032

SHA1
03cc6954b1b3ccf65dad9877b803e8f09900b3f2

SHA256
f577772d997044bea2772e4c6f223cb8e2da3f067e82fadeecbf9d8ef7181406

SHA512
af544eb5eaef39851cd88eaa72140c8e5dda36c84308f235de1ba9958a16cb3805bd46b0d4b0c8bba4931ff5bc854e7ad9ae77220c19ad7a1da1a4c7f42c08ca

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
1018KB

MD5
e9a22bc1f3ecb5e2b7cb926cb9716b18

SHA1
2e5da4946647b60e3b13aa4291eb9f76c2290129

SHA256
4944600f5b2a338b78eacef3beb8f80af83883c125e306dd73d64fe676df53a9

SHA512
a203b49e75eebfd2f205eb42599c755e1b4af0d165da5d1d94146a7f09104356b9c44b129f15fa83f072de43411990c73f096d4377b003022f1d12eb2a0644ce

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

Filesize
1.0MB

MD5
2bcbecdbc1c56b2a3620957dc5c81ad7

SHA1
cc389bedd9d2230891da422d7d9cad706980390b

SHA256
5f82dc711de5b78e7532d1be93d21143679e1ade8140d60002b09652493996f4

SHA512
d8a3ee6fad099709d44249c5b25b6c1fafe68b3223dea62f224a0788c47e495e23556baa01983af03276ccccd95b9a93da4e5e9403d5a970c83c6b9853effd94

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

Filesize
1024KB

MD5
61f1013547dc4ad24f8c5338c41931c3

SHA1
4a9f72fe7e71046ecd3d5af6443f195a6051430b

SHA256
2a65749eaa95c5c90be12d11587a82432933aabd60e8854868bc7168a36150ee

SHA512
6604219c7e5d583e8cc6a1f407e9964ab39791026857d17c9de25d3a4a8bb0272d491c6c019643eeeee8a2bd3451f3e0b75298e043777d44b8f3a161582c9b40

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

Filesize
1011KB

MD5
23a6e6de35e8cda9ea56fb990d716006

SHA1
edd8355ef80aa43a4d17e11413a25bc82dfd3094

SHA256
9e025eca76188c31bfa964c89f0cfdae59341bc002dbeee8c1e653d778a0c550

SHA512
e1fae3693a6342c37bb9fb00766761a2a2a98b0334be2b886b388bb146253288477d1e911ae15b0adf9d45e01fb7825babd6d64b55b5ab579532adf076918b37

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/424-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3372-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3372-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4660-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4660-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4660-43-0x000000005BBB0000-0x000000005BC48000-memory.dmp

Filesize
608KB

Download
memory/4660-44-0x0000000001160000-0x0000000002A15000-memory.dmp

Filesize
24.7MB

Download
memory/4660-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4660-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4660-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4660-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4660-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4660-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4660-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4660-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4660-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4660-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4660-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4660-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download