73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
301s
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, 09:55

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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
4636	b2e.exe
4416	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4416	cpuminer-sse2.exe
4416	cpuminer-sse2.exe
4416	cpuminer-sse2.exe
4416	cpuminer-sse2.exe
4416	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4144-5-0x0000000000400000-0x000000000393A000-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 4144 wrote to memory of 4636	4144	batexe.exe	75
PID 4144 wrote to memory of 4636	4144	batexe.exe	75
PID 4144 wrote to memory of 4636	4144	batexe.exe	75
PID 4636 wrote to memory of 2396	4636	b2e.exe	76
PID 4636 wrote to memory of 2396	4636	b2e.exe	76
PID 4636 wrote to memory of 2396	4636	b2e.exe	76
PID 2396 wrote to memory of 4416	2396	cmd.exe	79
PID 2396 wrote to memory of 4416	2396	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:4144
- C:\Users\Admin\AppData\Local\Temp\DB3D.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\DB3D.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\DB3D.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:4636
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\E03E.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2396
  - - 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:4416

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\DB3D.tmp\b2e.exe

Filesize
2.2MB

MD5
998e9301dce0fbf032fca9df021fc4ae

SHA1
f503ee26148291430af85f8446e0f57be9aaffe4

SHA256
b369c8213fb912e0b3897919430a7d1d5df34cc0fec88831ed704eaa103a6c69

SHA512
6c8e0ae1c074762bd85e7d6882b2e1925def81670ada77624c5f8a63b4cb1e48ddc62f67b9c933a31b0a3ba0be87fae07229c92ca1a1b34bd7910e246ea4a0e6

Download Submit
C:\Users\Admin\AppData\Local\Temp\DB3D.tmp\b2e.exe

Filesize
2.3MB

MD5
8125a4769b041350ad3fa1cdb01debf9

SHA1
4e8b13c50acefc399267927caa84ea19668572c3

SHA256
dba8efbaf0d1edcf43ffb50c41754fc0b5571f9482d5188bd381a9cb0d60269f

SHA512
291f2c58551afe311d02bae137099ced94fd694b8f303e351cdd9da486c39dc02316ed493edee285b4cc012efef57aba050f14384fcc27c7c713af770a11ac90

Download Submit
C:\Users\Admin\AppData\Local\Temp\E03E.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
\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
27.2MB

MD5
19fcc327c7f9eaf6a1fae47c9864fda7

SHA1
90a9ca4f4eb5bc76424b6bec0acd3df0a53b8f8c

SHA256
baef1f4cabebdadc52213761b4c8e2bf381976a67bd7c490f952c38f6831b036

SHA512
76d129db3006de88b851100f559fac00796f150fd6290d8f1df9f01df5bc733ebf4f4b087580d3ec81c901002d155e522954a9c1a9919cc9ca87198974a77a3a

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

Filesize
19.4MB

MD5
ab51515e810ccbbb5a5db789b56aa6c3

SHA1
8116bb23538ede90c67901398017e278b7e67e6c

SHA256
94366e8e210bbe2422ccc923ea746944e44ab89a00b4f2ff19a0e9c80d4782ed

SHA512
0ebba3d2b963f2ba0aa735a2c065d4c81863d7c9c1e1fc69d2ef1aa3bf40db1056c63c51f09409bd6297edf115836d8888e69c15fa8a28a2768b56af12b87404

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/4144-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4416-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4416-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4416-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4416-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4416-43-0x0000000064120000-0x00000000641B8000-memory.dmp

Filesize
608KB

Download
memory/4416-44-0x0000000000F00000-0x00000000027B5000-memory.dmp

Filesize
24.7MB

Download
memory/4416-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4416-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4416-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4416-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4416-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4416-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4416-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4416-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4636-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4636-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download