73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
300s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
24/02/2024, 07:38

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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
1608	b2e.exe
2900	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2900	cpuminer-sse2.exe
2900	cpuminer-sse2.exe
2900	cpuminer-sse2.exe
2900	cpuminer-sse2.exe
2900	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/324-6-0x0000000000400000-0x000000000393A000-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 324 wrote to memory of 1608	324	batexe.exe	74
PID 324 wrote to memory of 1608	324	batexe.exe	74
PID 324 wrote to memory of 1608	324	batexe.exe	74
PID 1608 wrote to memory of 4876	1608	b2e.exe	75
PID 1608 wrote to memory of 4876	1608	b2e.exe	75
PID 1608 wrote to memory of 4876	1608	b2e.exe	75
PID 4876 wrote to memory of 2900	4876	cmd.exe	78
PID 4876 wrote to memory of 2900	4876	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:324
- C:\Users\Admin\AppData\Local\Temp\72FD.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\72FD.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\72FD.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:1608
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7501.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4876
  - - 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:2900

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\72FD.tmp\b2e.exe

Filesize
10.0MB

MD5
1986ff4ccd4a47efd361224e101a4c15

SHA1
4ab073d9f0dfec1e822b742eb332220e8efe48e1

SHA256
87f627e4f982b64998012441ae90a38eda875d5b72f4273a03e995c3d041d212

SHA512
8733fddf938c274dfa9780721177675d024bea4a0a7c07fc27d7d54d4d4c6f82d3888052d5df19891769f68b9d40e5e3755c08eda45aed7fa0c0082d666a9262

Download Submit
C:\Users\Admin\AppData\Local\Temp\72FD.tmp\b2e.exe

Filesize
11.3MB

MD5
39db1faec0b74f83dba75add0fd554df

SHA1
ee5368cc003803d385cd90a97fdac99d2da8201e

SHA256
b6d628af9b4ec2856101272c1a15f8bb86cb7d1b8ab556097e042bcd6a1d49c2

SHA512
da3a7ac1ae01aa361a20b929272ebf1f68dafb9c81d314d13a4daa6f79bae96b4df4192336b2d58526a576542912f2dfe72531534c8b99fd707d678589dc6ea1

Download Submit
C:\Users\Admin\AppData\Local\Temp\7501.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\libgcc_s_seh-1.dll

Filesize
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

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

Filesize
2.5MB

MD5
0a7bd37b070447b0551546bb30205126

SHA1
449b7f78b93bf5dcc3edf898bdd33f33e3f05128

SHA256
0101a12d0135822ec942f2f47cfcb62cc694c2ea862b86e2638ad292517922dc

SHA512
8be12336c8b82d72ccad1e8ee017a2d644ecabc4f6178cf282814e4cfb97b73933d555d29877a86905634f1fd1bf5286627a8ee089f7280d20bfcbfcb157d319

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

Filesize
3.6MB

MD5
0ac1b2e5603de99e5d941daff601352f

SHA1
334b11e1635ae331a4a697dc82812a5a9dfb68b1

SHA256
eae77ec58014fa3a078526539a740e83da76ddc8e4fb1859daedeada21cf86a3

SHA512
0aa52ff8155a3e9a9c585ce2e294e431ca3e0e141f79a8a79085166505789c68f0bde866345a9afe172a4cc45b34f95ff4404c4a90e861d90a56075651db78d7

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

Filesize
3.2MB

MD5
08cc721876c1809a3170c2ba92ce9b53

SHA1
a409a2d1f0d4212e2f48e5dcf6ad11bcf3e637f3

SHA256
3311d80046938ccd5668c20a9e6a7bc504b741be6f2f387cc2ce69399405dcad

SHA512
60fb4c99968ff38c1fef435e6e5efeadc50fd57af6bb3a956e0a180e8e4c8bf9ac823aea7c162fe7d18252098064b74903226bb778d90b422bc81429f21bf706

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/324-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/1608-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1608-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2900-42-0x00000000596F0000-0x0000000059788000-memory.dmp

Filesize
608KB

Download
memory/2900-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2900-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2900-44-0x0000000001110000-0x00000000029C5000-memory.dmp

Filesize
24.7MB

Download
memory/2900-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2900-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2900-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2900-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2900-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2900-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2900-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2900-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2900-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2900-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2900-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2900-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download