73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
298s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
22/02/2024, 12:34

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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
1568	b2e.exe
1812	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1812	cpuminer-sse2.exe
1812	cpuminer-sse2.exe
1812	cpuminer-sse2.exe
1812	cpuminer-sse2.exe
1812	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3032-5-0x0000000000400000-0x000000000393A000-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 3032 wrote to memory of 1568	3032	batexe.exe	74
PID 3032 wrote to memory of 1568	3032	batexe.exe	74
PID 3032 wrote to memory of 1568	3032	batexe.exe	74
PID 1568 wrote to memory of 784	1568	b2e.exe	75
PID 1568 wrote to memory of 784	1568	b2e.exe	75
PID 1568 wrote to memory of 784	1568	b2e.exe	75
PID 784 wrote to memory of 1812	784	cmd.exe	78
PID 784 wrote to memory of 1812	784	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:3032
- C:\Users\Admin\AppData\Local\Temp\7B1B.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\7B1B.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\7B1B.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:1568
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7D3E.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:784
  - - 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:1812

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\7B1B.tmp\b2e.exe

Filesize
7.7MB

MD5
0d3b2ab524716eda0fb2b0ec12c7f6a3

SHA1
0f7bdcc984bf945b3fe891ecd3a360dbd094c0de

SHA256
96c150b6cc6737d24b397680d2c1642b52b128f687d8eb4cb6b71a76cf866b62

SHA512
9729435bd756766205a32b660adaf7895cc3dc109c74b8cc00a53645fd43a58590134895685760caf3fb660769aac7c51642071dbde99d0e13bd89eeb2358b72

Download Submit
C:\Users\Admin\AppData\Local\Temp\7B1B.tmp\b2e.exe

Filesize
7.4MB

MD5
e809298c9bbd4faa5c5e179680d805d1

SHA1
c3c4ed3acecbfbfab34180066f9ae3ea1034a096

SHA256
624790ea0fcb69d5a02530368a33a353c6bc4835e09dcc88d4ac3cb85fb2649f

SHA512
42dfe2261a06048dcd1d6f498d69e1b84ff62a6f814fe81e2210dac0d04ba4d69c364b0751d6e7e2f2752ee4587c93268616cccf8392ec3e8d76eba38a886003

Download Submit
C:\Users\Admin\AppData\Local\Temp\7D3E.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
4.8MB

MD5
9b7005b0cd65f4de09b2b360f9c17ec5

SHA1
bf6e47256a84284f189fb4fde155ae10b18bd97d

SHA256
e2eee45e4abd2dc2f6a2c29b2012ce2e52f312dcc55056adef11d4678329fe2e

SHA512
9283de9512760a1bf98e90b18cf794d0e717b9b9d26739e7b80c77c93ad3dae30c58254c909ea45d0b483c4a41359efe3ece7d1407a81c43c582023cc45d705a

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
5.8MB

MD5
b771ea3a37235814bc067c4db9aab0fe

SHA1
0e2d7fdcb291b71e076a3a852616d01406734506

SHA256
f3e900ad7b7e98f5f647550f71627af7826ef6dc995661aa96c410af45062a72

SHA512
096ea606412f0d9aa41eee104e766e2c86ee6c65d0af66e7dbcd47b3b909e71bde78bdc4d89d1c4fe2b9700b4cf9546858e48239bb971bd4fa248e8b66abdf2d

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

Filesize
4.9MB

MD5
7df0f05f019cf1d6c6e3a65a4741ad01

SHA1
ea49f6406265c0ee2c0ebad2ee0133009ab98d4a

SHA256
831fb4a0aa4af0c01abf48c3530b4d5927422cc2b76287bd4062d38a4563962f

SHA512
11a931282ba18b6f5695d51a7a82f6075a80f1ee43b457650d758de0808ac417831c1d69e47ee2a000a67a3fee744a55262306e7ba3db99ab59b5301c7351ce0

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1568-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1568-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1812-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1812-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1812-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1812-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1812-44-0x0000000001040000-0x00000000028F5000-memory.dmp

Filesize
24.7MB

Download
memory/1812-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1812-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1812-42-0x0000000051BB0000-0x0000000051C48000-memory.dmp

Filesize
608KB

Download
memory/1812-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1812-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1812-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1812-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1812-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3032-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download