73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
321s
max time network
337s
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, 06:32

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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
3136	b2e.exe
3672	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3672	cpuminer-sse2.exe
3672	cpuminer-sse2.exe
3672	cpuminer-sse2.exe
3672	cpuminer-sse2.exe
3672	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1520-5-0x0000000000400000-0x000000000393A000-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 1520 wrote to memory of 3136	1520	batexe.exe	73
PID 1520 wrote to memory of 3136	1520	batexe.exe	73
PID 1520 wrote to memory of 3136	1520	batexe.exe	73
PID 3136 wrote to memory of 4112	3136	b2e.exe	74
PID 3136 wrote to memory of 4112	3136	b2e.exe	74
PID 3136 wrote to memory of 4112	3136	b2e.exe	74
PID 4112 wrote to memory of 3672	4112	cmd.exe	77
PID 4112 wrote to memory of 3672	4112	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:1520
- C:\Users\Admin\AppData\Local\Temp\79FD.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\79FD.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\79FD.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:3136
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\80A5.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4112
  - - 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:3672

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\79FD.tmp\b2e.exe

Filesize
9.8MB

MD5
7d9aa6fd2b339fee5a698aa87e1f8079

SHA1
fc2a85ac4d2fb171f1b191fd7d1f2fa06a2553a4

SHA256
b32e97ecbad3bb35dfaa8ebddc9091da84ff22cf00eb95b0bc948673c1d5c093

SHA512
5f876acb42a4d730f43cd873cd7fdbb2f9432c5a1dbb8ddcdd929bfc107746705e9b3f0bd6d40d9c67b3999054dad891bd61008c9bbf78ff1a226e9d10ff7336

Download Submit
C:\Users\Admin\AppData\Local\Temp\79FD.tmp\b2e.exe

Filesize
13.5MB

MD5
3d837763bef34802d8ca1e1744f0ce56

SHA1
688537b777374a7527ad66436cd6cbd9715f8ce1

SHA256
e2f8cb70e53bfffc7d22b0800f889746cf978ebe06419cc2056a8a616632a778

SHA512
3bff851750293ddb60ab823b9f7d343cf6a93bf212f89a4baa6fde76eb06ed0b947a4159243ad9fecf66609c94c19e7b0bc9f0e5ea80882ccae9a22041e4d4b2

Download Submit
C:\Users\Admin\AppData\Local\Temp\80A5.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
11.0MB

MD5
76f735829e24483d12dcaec71511e532

SHA1
27974ce74ee4fd3a920a3ca1ba8cf3ddb5bfaa6a

SHA256
6874d173497e6cd6205d076df918a8bb488bf05da6c22abd67d098f3658c2538

SHA512
dc66166264fdf21b833aa5df1dd4d2a0866a7172e2b8406a790487994c9a9888c49e0bb70e4451b0bb0dc4227431a007d779eed9ed8f68d0d068a4a1f86ffd5f

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
6.0MB

MD5
44030f67d2693a84ad9d762c12c9db73

SHA1
242955c537e8c6c6901ec4a9b5c88da18c2e3cb4

SHA256
1fbce7b3628cfe0f1f92e1a330131a724ae3e47ff7176b92ab88aff41245a832

SHA512
7b2d8c845cf7d6a015977b35f618aa21c7af846647de0564a93894b152407240c448dcb06d8b91cd1e1858e4a4d8d2cd317850129ad686706726e3fc97b75020

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

Filesize
1.8MB

MD5
0284b7f8a56d440e5772def0420d4e9d

SHA1
d7b77cbfa56efb3fcdef518f0e5d240b08130df7

SHA256
8c5d87792cd5702ac624ba9bea35b85bdc70979ea59914501fbbbcbd2b7cb1e6

SHA512
494d30dc9a7a0ae3a3004ec4938892ce81c6b930daa43bf5ac799d7c18657ce51e52556a69caf6be115fcb36cde621e9dcfbab6800f30f95cd7f5b0673d63a93

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1520-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3136-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3136-53-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3672-42-0x0000000067490000-0x0000000067528000-memory.dmp

Filesize
608KB

Download
memory/3672-51-0x0000000067490000-0x0000000067528000-memory.dmp

Filesize
608KB

Download
memory/3672-43-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3672-45-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3672-44-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3672-47-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/3672-48-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3672-49-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3672-50-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3672-39-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3672-38-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3672-54-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3672-64-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3672-74-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3672-79-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3672-84-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3672-89-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3672-99-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download