73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
300s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
12/02/2024, 13:41

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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
2460	b2e.exe
1268	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1268	cpuminer-sse2.exe
1268	cpuminer-sse2.exe
1268	cpuminer-sse2.exe
1268	cpuminer-sse2.exe
1268	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2580-5-0x0000000000400000-0x000000000393A000-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 2580 wrote to memory of 2460	2580	batexe.exe	74
PID 2580 wrote to memory of 2460	2580	batexe.exe	74
PID 2580 wrote to memory of 2460	2580	batexe.exe	74
PID 2460 wrote to memory of 3820	2460	b2e.exe	75
PID 2460 wrote to memory of 3820	2460	b2e.exe	75
PID 2460 wrote to memory of 3820	2460	b2e.exe	75
PID 3820 wrote to memory of 1268	3820	cmd.exe	78
PID 3820 wrote to memory of 1268	3820	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:2580
- C:\Users\Admin\AppData\Local\Temp\8F40.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8F40.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8F40.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:2460
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9163.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3820
  - - 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:1268

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\8F40.tmp\b2e.exe

Filesize
17.4MB

MD5
9d02c227db703348eb7e9b99f75a3345

SHA1
3c4875dc348a6d51b584447976fd56d6294cd5ea

SHA256
7697368388c8cc4428fcf9fe83b04f66b7f46d3822cb83fca3f2c4212df877b8

SHA512
2249145f9557a0a9f959781f7f123697effd3a2b8a215d3742aa1490fe1f4e4f92b945c637c307189aa7092c1df7900363e396c075e522b963f3e5a88cb48650

Download Submit
C:\Users\Admin\AppData\Local\Temp\8F40.tmp\b2e.exe

Filesize
18.0MB

MD5
d82ffd251c263b6f3a0ddcd413824c82

SHA1
dbc1e07b0b56798a693f8525481e9021d51b9de8

SHA256
98f882ba7a2dd30a14682aedd305f351426967bc0c92aa6e308a0de7bc0e12a1

SHA512
5ae669ee942fd31e88f5216e9cc575c57e2a31fc7551df6281bd7c6de9f6deba4b900b0d90150c45c7bc234a145ed3b4332999b8a8bd83a2c55469bb68ae2ef0

Download Submit
C:\Users\Admin\AppData\Local\Temp\9163.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
3.2MB

MD5
2ea17a6727c749b226d79939f58cd512

SHA1
8e831fa379eabc90201195d512369e39af1fa34b

SHA256
848d2681f294012b2d314365072d71ce0c454f0be6f9171e0de033a63124e13b

SHA512
d71a08be881f843c47067f1b91e0a76dd65207fe0fc4c462501ea575ddb6d0551329db33d3b09ddfae2c9fd42980e81522602f4ff792026106fbb4c2daa092ca

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
4.7MB

MD5
af0303485030bf9eb01968af2baaa1d9

SHA1
7d4aac95eecc711f1361f9bd0eb867f8244ccc02

SHA256
0ffe0f503964ac562924d4a17ad0c2f14d67643a8815a9136ae6497181396da1

SHA512
e3d07bff4c28e3df0dd2c43913894c4fa85e34898e7088f535eaca38206aa5c0b36f7d166aacbb0c51912f5e2560ad9c382b3e569d6078a2bed1ab0707440bf3

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

Filesize
3.8MB

MD5
41136f6ebb885668987b3911f65c5cb3

SHA1
90f6912a456b378ec7ca9ec4bfd72a938492dd36

SHA256
7101c28e1cfe1d9c28774995ed18eaf08e39c9e65b98167053a9d49d8b145a71

SHA512
bd6fd1dde2f28bb967ff952991cab8e094ba4603d0946c45edd9955636cd4a929988604b142ad7c6992da19816e230966fa91025a969c3015dee782875ea365b

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1268-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1268-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1268-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1268-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1268-42-0x000000005C0D0000-0x000000005C168000-memory.dmp

Filesize
608KB

Download
memory/1268-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1268-44-0x0000000000F30000-0x00000000027E5000-memory.dmp

Filesize
24.7MB

Download
memory/1268-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1268-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1268-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1268-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1268-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1268-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2460-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2460-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2580-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download