73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
295s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
14/02/2024, 06:12

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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
872	b2e.exe
2432	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2432	cpuminer-sse2.exe
2432	cpuminer-sse2.exe
2432	cpuminer-sse2.exe
2432	cpuminer-sse2.exe
2432	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2864-5-0x0000000000400000-0x000000000393A000-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 2864 wrote to memory of 872	2864	batexe.exe	75
PID 2864 wrote to memory of 872	2864	batexe.exe	75
PID 2864 wrote to memory of 872	2864	batexe.exe	75
PID 872 wrote to memory of 1800	872	b2e.exe	76
PID 872 wrote to memory of 1800	872	b2e.exe	76
PID 872 wrote to memory of 1800	872	b2e.exe	76
PID 1800 wrote to memory of 2432	1800	cmd.exe	79
PID 1800 wrote to memory of 2432	1800	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:2864
- C:\Users\Admin\AppData\Local\Temp\9933.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9933.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9933.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:872
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9AF8.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1800
  - - 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:2432

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\9933.tmp\b2e.exe

Filesize
12.1MB

MD5
0e9ed4b97a240f13b3812ff05ca44dc8

SHA1
bebc59b2f0d2b8b483ad8ed3e4b1458c4b08bd06

SHA256
95da8e29f7e5d783a3f4428d810534bb07976a1baf7d26e7e1caace2fc27560c

SHA512
c8e456e0866aad7f107fdb27c043a1d69b1dd61a72fbd7b4a4771787408fbe97d07e2fd3d5aa9e9cef0de6fd9b63ad04639919c6a95fe7501586fd3e827d6c70

Download Submit
C:\Users\Admin\AppData\Local\Temp\9933.tmp\b2e.exe

Filesize
10.7MB

MD5
13d7eeb0fcbcc57ecefb6973d3be7dc6

SHA1
f9f43e7579c66e5b55065a8909bf9671a19c954f

SHA256
50a6d14b2f8de8cb0f651600a11da2f37cd90b640cb12981ce8f31215bf6a432

SHA512
24e98d020f6a817b97957f0455a0a7e814fe34cfc0724c607988285ce2558effc4e18d497ba4c1c5ef0c49418e241a1fc238cbce569982eb84cdf88d91c9fc31

Download Submit
C:\Users\Admin\AppData\Local\Temp\9AF8.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
5.0MB

MD5
74315af8381d995ecb9c3b54a2fb911a

SHA1
b76a16f702f24c02196151294d36501047325586

SHA256
d17cb0149790dd9619926d771ec4a87021afde2feb30384b4c0ad96b820e21ba

SHA512
cfbf1af7f4e85f041b1c1c2f9877344ac4add38b0754609329f92cc3d23b5dda21f077406a637030ca05861b8b5b9f9c07a5da4520fbeb84edfbdb673fd97190

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\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
7.0MB

MD5
497aff00039f351ad77b504309c5aac3

SHA1
893e01e12279f267f58af9945073ecddf0b86f80

SHA256
1ba874bbd835c7d7f852d437115904b3000ffad3308f3e8547173773385c2b8b

SHA512
951896081d54554df5b6231bb01026ae1d04b56f1d26316c97959916d464466ee22c454fd85cc0197e280267caec7c3be0b5afb12cab8664b0dd22e2d0bdece2

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

Filesize
6.0MB

MD5
af51590a677d4ed3482159d73cd15829

SHA1
6e23ffea69509aa8c065dbeb542e428f8051a5f1

SHA256
6bbdc068319bcde92ad03d099257e65735a19254275a729355f63a0cf33cc542

SHA512
265fb14d3877bf5d7267280b6780bed0593dbc7ea6c8c3494362be23a1a9468bfc446abbd522746ee0b5cffe538446bc6d55c1a931906aa6c46392e172faf82b

Download Submit
memory/872-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/872-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2432-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2432-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2432-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2432-43-0x000000006F6F0000-0x000000006F788000-memory.dmp

Filesize
608KB

Download
memory/2432-44-0x0000000001060000-0x0000000002915000-memory.dmp

Filesize
24.7MB

Download
memory/2432-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2432-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2432-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2432-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2432-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2432-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2432-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2432-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2432-94-0x000000006F6F0000-0x000000006F788000-memory.dmp

Filesize
608KB

Download
memory/2432-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2864-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download