73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
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
17/02/2024, 15:44

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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
3780	b2e.exe
2956	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2956	cpuminer-sse2.exe
2956	cpuminer-sse2.exe
2956	cpuminer-sse2.exe
2956	cpuminer-sse2.exe
2956	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4000-6-0x0000000000400000-0x000000000393A000-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 4000 wrote to memory of 3780	4000	batexe.exe	73
PID 4000 wrote to memory of 3780	4000	batexe.exe	73
PID 4000 wrote to memory of 3780	4000	batexe.exe	73
PID 3780 wrote to memory of 4904	3780	b2e.exe	74
PID 3780 wrote to memory of 4904	3780	b2e.exe	74
PID 3780 wrote to memory of 4904	3780	b2e.exe	74
PID 4904 wrote to memory of 2956	4904	cmd.exe	77
PID 4904 wrote to memory of 2956	4904	cmd.exe	77

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4000
- C:\Users\Admin\AppData\Local\Temp\C515.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\C515.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\C515.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:3780
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\C8AF.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4904
  - - 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:2956

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\C515.tmp\b2e.exe

Filesize
2.4MB

MD5
ee04099ca04456aa3ec3263fc8478095

SHA1
dc89b1634e0fff0e8203cfcfe26600eb97514e7d

SHA256
97d4085421fc14574d853c4bd8eef8f0a70aad1666fba5a51549d26abfc63dd3

SHA512
6bbcf992e0a1d670a0e861ceefcc03bec5cd5b1f9082ccd4324cca368665b135d63a332cf76bea1ffbadb409078c83d8f31c02141c6d1d053c7ceb937b68531e

Download Submit
C:\Users\Admin\AppData\Local\Temp\C515.tmp\b2e.exe

Filesize
960KB

MD5
d15ecf39e70d4d6e278b0da9ff36ba87

SHA1
2139694bf96cc3b6fbfadb8a9c8745b8901bff6a

SHA256
04b2e6191d36dccb7b93c7d207ff16c0702cdec9b64b98206f9ffc7dc7633d54

SHA512
326cdd9b35aa3dbd39d2fd4a22dd78f732d481f05ef6dca085cd086d8ca91502f3be961b44e5c4bbf2ebf947ffc4f1b4d4703593951fce22acaa418a77741434

Download Submit
C:\Users\Admin\AppData\Local\Temp\C8AF.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
11.0MB

MD5
0922e843b6809662824cd4388ddf69d5

SHA1
bea51ff42e15480f0634a35996958d6f0e0697c5

SHA256
a9907e2297dd25830b48cc15701050cd6416d604c904a69745db08c2b9bdd211

SHA512
e169beed12beb77cbf5f539699d582d32aef0977e15c2856ccdf900e9ee4e961da9afd8100d9579ff10410304b2292e912c604e098d45e32e08e7a37de3268d8

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

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
9.6MB

MD5
464e13ee93cf54f4c081e539e0a3d018

SHA1
5092b2c7e35fd2b6d3572d1a5ca0447e862e0ef2

SHA256
0d61d72afff0b9536b626cc1f57f5b24c4e508b7467141080911bdd3d6ad40dd

SHA512
14c07ff7ba1a5e85b97883a821515bc1b9b51c04988ffad9688cf7031a9e166c151233e78604f11ae757e92bb0554a22c6e71ac67952f64230eb45eaedd08ca3

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

Filesize
8.3MB

MD5
18f723feb20332c3f6da94d4eb7a13f0

SHA1
b26067aa842670dad77d00fae3479b6fe6363fe5

SHA256
d806e47435c15e2bde169e2297889a5182f144cd46e78aed9fc73c152fbfdb8d

SHA512
477b5b9bfdb466201f74c3dc036824569c3ee1adbcfdf3dfa048e6599fbb928a51a57cc2812fa3c99b4b5d4feffad3c1ab69db9690ed1442770dd78db575b9cf

Download Submit
memory/2956-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2956-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2956-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2956-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2956-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2956-43-0x00000000519F0000-0x0000000051A88000-memory.dmp

Filesize
608KB

Download
memory/2956-44-0x0000000001080000-0x0000000002935000-memory.dmp

Filesize
24.7MB

Download
memory/2956-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2956-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2956-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2956-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2956-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2956-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2956-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3780-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3780-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4000-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download