73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
298s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
18/02/2024, 08:53

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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
4772	b2e.exe
2188	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2188	cpuminer-sse2.exe
2188	cpuminer-sse2.exe
2188	cpuminer-sse2.exe
2188	cpuminer-sse2.exe
2188	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2028-6-0x0000000000400000-0x000000000393A000-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 2028 wrote to memory of 4772	2028	batexe.exe	75
PID 2028 wrote to memory of 4772	2028	batexe.exe	75
PID 2028 wrote to memory of 4772	2028	batexe.exe	75
PID 4772 wrote to memory of 2796	4772	b2e.exe	76
PID 4772 wrote to memory of 2796	4772	b2e.exe	76
PID 4772 wrote to memory of 2796	4772	b2e.exe	76
PID 2796 wrote to memory of 2188	2796	cmd.exe	79
PID 2796 wrote to memory of 2188	2796	cmd.exe	79

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Users\Admin\AppData\Local\Temp\9402.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9402.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9402.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:4772
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9625.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2796
  - - 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:2188

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\9402.tmp\b2e.exe

Filesize
10.3MB

MD5
e3052b69f8902e5a3aa972eb390ed074

SHA1
1a687888a6e3189fab529ec38e48f78e294d4167

SHA256
28e1c077c448fbddf793d129dc25f23ee427d07f6a84347693928c7de51dd1f4

SHA512
d6188618c93f6254cef6a83912c7a252dff1404e148cd085736e94bd70b933ca8d5d1e8e75ab4ec4c0f2857e765a4072c755b7380b2d03b1eec2f97b5c923624

Download Submit
C:\Users\Admin\AppData\Local\Temp\9402.tmp\b2e.exe

Filesize
13.6MB

MD5
a00a8679b41495e9ab4fe7433166cf51

SHA1
b01913e35732d6e50b0f69296a2f9a48a39cacc8

SHA256
60bac2991994f0f9707180dfe782a05d1c5c8553c77f5e8bd44023c48c563226

SHA512
e6b6768a171a6e4e3c67b116ac35f375c8c097d503961e18f51508aab83d8ebde0c2c93e2c5ad0f642bece47c709c0cb31ecf80152650911a5e6f39dc7d73374

Download Submit
C:\Users\Admin\AppData\Local\Temp\9625.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\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
14.3MB

MD5
99dbac3347e97e225f41274aea085a1b

SHA1
17087fafee4aa40cbf3bab7e10a960d1971b1024

SHA256
9ff4f1c4be31abc1a3d48dc1a8da4dc04a81adccc8e03bf9c8591b64646b1c6b

SHA512
6844548060ca2af4f1c2bf86fefe84fd69996e2972f94764e6fda825e634e4fcfd222b8d8940932af91d11cf6f1990fb6c678f4d7f469753c6724c909dea75d8

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\libstdc++-6.dll

Filesize
11.6MB

MD5
bd57e120711d99ed16bb655c8ee41d4b

SHA1
9cccbcdcbe2c6cd020153aa4b667156e3da1988f

SHA256
60844c75633382c436efbcaba6216a7f84de7c3804419aef99c6f8cb78f8937b

SHA512
ec969d46ec60a4a04d5599889dfa9bce7d4958e34b937dc94749710a94beeba99df6a030f713b25e050072d88458803c38f17a437ae178c53cf3524321d156d9

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

Filesize
8.9MB

MD5
957f9daee5d60f0e016d228db5be5a86

SHA1
a0cdf1ff57e7e01b339de8f914e7b06e39475a45

SHA256
f5f01e07312a4b0abbd40d82f6932795c572b8947765b50cb5f4979798f09229

SHA512
c9b7a53fbeb7165d2819381e54f0c7994d570bcf5a1bd394ad1aa241e81543ed346e6ed3ea8588ac59cbd7d7df79374952bbe7c1c3a0bb43604489ff717e41c3

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2028-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2188-43-0x000000005CFB0000-0x000000005D048000-memory.dmp

Filesize
608KB

Download
memory/2188-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2188-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2188-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2188-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2188-44-0x0000000001130000-0x00000000029E5000-memory.dmp

Filesize
24.7MB

Download
memory/2188-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2188-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2188-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2188-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2188-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2188-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2188-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2188-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2188-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4772-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4772-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download