73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
299s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
23/02/2024, 12:14

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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
1836	b2e.exe
4348	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4348	cpuminer-sse2.exe
4348	cpuminer-sse2.exe
4348	cpuminer-sse2.exe
4348	cpuminer-sse2.exe
4348	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2888-4-0x0000000000400000-0x000000000393A000-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 2888 wrote to memory of 1836	2888	batexe.exe	74
PID 2888 wrote to memory of 1836	2888	batexe.exe	74
PID 2888 wrote to memory of 1836	2888	batexe.exe	74
PID 1836 wrote to memory of 3604	1836	b2e.exe	75
PID 1836 wrote to memory of 3604	1836	b2e.exe	75
PID 1836 wrote to memory of 3604	1836	b2e.exe	75
PID 3604 wrote to memory of 4348	3604	cmd.exe	78
PID 3604 wrote to memory of 4348	3604	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:2888
- C:\Users\Admin\AppData\Local\Temp\83B7.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\83B7.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\83B7.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:1836
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\85BA.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3604
  - - 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:4348

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\83B7.tmp\b2e.exe

Filesize
14.7MB

MD5
d1fd81f7a641293e41d4379635a58db6

SHA1
c7af1f7f796c3b61475985fbc0860064ba7e2e5a

SHA256
7f2a4281337dcd44bb47813fc2dd776ed6f58c6d278cbc0ad8e9a9395aed5cd2

SHA512
0cf0af58c306edc0d41066700edc723ea373a198a29e23eaf896317bd5bfcfedd3b209564bc43bcda5c886fb38feac10ca21d5c87ac313a1d578ff3a07513530

Download Submit
C:\Users\Admin\AppData\Local\Temp\83B7.tmp\b2e.exe

Filesize
13.4MB

MD5
b70be3ab7c966eea6927a8284b9b3e09

SHA1
19584704aafff7974e57f790c2b104e62f457300

SHA256
c34ff4c41ea28529d3aef32b19cbf110c60a860762e79340d3edad191d3394af

SHA512
5f0dbd7713d24d3de7f5a19dc9a7451d809defaa0045e60cc0be3179a05ab6e6f6af4ebb02c88e14561c18c847c6fde4099de7b8f58ca92ef2744bf1a46ffe31

Download Submit
C:\Users\Admin\AppData\Local\Temp\85BA.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\libstdc++-6.dll

Filesize
7.8MB

MD5
ecc6e624333fd3df214b4c26aad6599e

SHA1
79fecd991a8bfa521dbe6bd5a55fb8017b08112f

SHA256
ddf73a78c880927ab295de760e38587a8b6e0003a052e3773958e172cffc1a7d

SHA512
0a60cb2a5f4e9fc333602ecad6ea48190c6750b98bcf6fd11de1bfacbd7092f32709f1683122e303c21de3cbda8318be08153c76e99eaa983f0d3c2cfa4c0e5d

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
10.5MB

MD5
cb27a3b1beae3fdbb9c3bd376d7650a6

SHA1
95ba65a8df68018d8d906819250136bfb03c8d40

SHA256
f14693dc509fd253db8583187298c15bfbe40ff9204bcc520b38156e594ad6e3

SHA512
d19438f4ffbd4585138b254a0f11628cb6571b60049d9f7f6ae6b2e4bb53889fd96e3fa7cd04491b9e757a899cc381dd19ee70214f577529c77d948ae88b6bd3

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

Filesize
9.2MB

MD5
76fc8fb0256a353b3baefadc2e85a37e

SHA1
8b98e40bc55861931b9dd6107e7b56d095910591

SHA256
37537cd9e7f98540923f36e870afeb4aaa6a78e2e472a5c74fd5223f19090303

SHA512
b33e7c4692e8467df86d79c9f84ba420e98f20232e2b7ecde3a8977e2f3ae89e4dede5319962debc901a3043c04f1869fc067ca8db1ca745c3e2546a52033332

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1836-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1836-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2888-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4348-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4348-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4348-43-0x0000000056A30000-0x0000000056AC8000-memory.dmp

Filesize
608KB

Download
memory/4348-44-0x00000000010A0000-0x0000000002955000-memory.dmp

Filesize
24.7MB

Download
memory/4348-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4348-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4348-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4348-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4348-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4348-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4348-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4348-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4348-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4348-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4348-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download