73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
302s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
23-02-2024 19:25

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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
4900	b2e.exe
1264	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1264	cpuminer-sse2.exe
1264	cpuminer-sse2.exe
1264	cpuminer-sse2.exe
1264	cpuminer-sse2.exe
1264	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2388-5-0x0000000000400000-0x000000000393A000-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 2388 wrote to memory of 4900	2388	batexe.exe	76
PID 2388 wrote to memory of 4900	2388	batexe.exe	76
PID 2388 wrote to memory of 4900	2388	batexe.exe	76
PID 4900 wrote to memory of 1164	4900	b2e.exe	77
PID 4900 wrote to memory of 1164	4900	b2e.exe	77
PID 4900 wrote to memory of 1164	4900	b2e.exe	77
PID 1164 wrote to memory of 1264	1164	cmd.exe	80
PID 1164 wrote to memory of 1264	1164	cmd.exe	80

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Users\Admin\AppData\Local\Temp\8117.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8117.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8117.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:4900
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8368.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1164
  - - 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:1264

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\8117.tmp\b2e.exe

Filesize
8.6MB

MD5
d2f304fb8d3f1502f422bbd9176b2581

SHA1
e143929dd110d1dab2faae7a1a1e1c964d77c6d9

SHA256
b3c37bfa416e5bec96f4f49270b3b645181054e55fbee6d23f2b47b7986d7b5c

SHA512
ab6f9366a451d7a7af9984e49fc0989554f263f4d8d7f21df74e5d7621fdf640c9143cba6fbefd5e0665729fe76a89cd4bb25c7f98815e49890dc863b931f4cd

Download Submit
C:\Users\Admin\AppData\Local\Temp\8117.tmp\b2e.exe

Filesize
9.6MB

MD5
09493d4433efd36ad89608f8adc64874

SHA1
ef605d8ae64cc388480e5f83b0a50f4ebb0818a5

SHA256
6b7ea0173418789b30d64fe06e24cbaf107db916b35ac1d0f9e00d08c288dc7d

SHA512
e8445361a84980f9179d303931602d151fbd8f4f3e480e73c67fce223d6866dc6acac064238a6f9bc3aa8ff0b24a4c1aec3bd8cdaa558b643f223b8c30c33fe5

Download Submit
C:\Users\Admin\AppData\Local\Temp\8368.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
3.5MB

MD5
1cfd077b71465596725df43fd57bde2d

SHA1
805e5578e357d8e0f1e8235d2a6dc571bb827f3d

SHA256
0afee0f422e98ea7a8f406e4ac34f250b4f982ab9595037350e214a8120fb623

SHA512
fb434a157ea038a77e2dce65560d2ff2116e7a100663fd58ba709646cf49a62b96cc226b6e3b47899ad0f1d8ceb6337036099da93a9a823810cdf60b5163a595

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
8.2MB

MD5
a406f2aebf67fb754814d9c499f63c36

SHA1
84e344a980305af0dd97093e11926cc96b438e73

SHA256
1d014a1693cbafdc37705716f4872720fb21f74fb46eb6c9e791beab99436fdc

SHA512
579826f0c14e5dcdaae31aafab5231ef7de6497d391f1ce0c69002a11c1212b618077c353b7dace3607cfef132aa4661bde1a2317931b069b9087a48b8b4ed88

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

Filesize
7.4MB

MD5
a278ab7f08f5ac64358de22bf1c44adf

SHA1
726e78e0f0db6b2d832d4abdbaa8b71b31a50994

SHA256
776a269e11cc3916ce822a24ddd81b5fa5d1fe892c520047b86ce1994fcd8ab7

SHA512
aabaaf7819c8d588b29643fc40151cbd4b5e815c52838c44e7208a421fd1e1146f75a8ed68f4168811d141fc5bda9596b2fb34af2da6bf5b799a59887556d3de

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1264-42-0x00000000674B0000-0x0000000067548000-memory.dmp

Filesize
608KB

Download
memory/1264-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1264-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1264-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1264-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1264-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1264-44-0x0000000001060000-0x0000000002915000-memory.dmp

Filesize
24.7MB

Download
memory/1264-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1264-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1264-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1264-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1264-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1264-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1264-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2388-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4900-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4900-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download