73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
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
22-02-2024 15:03

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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
4472	b2e.exe
3468	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3468	cpuminer-sse2.exe
3468	cpuminer-sse2.exe
3468	cpuminer-sse2.exe
3468	cpuminer-sse2.exe
3468	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2656-4-0x0000000000400000-0x000000000393A000-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 2656 wrote to memory of 4472	2656	batexe.exe	74
PID 2656 wrote to memory of 4472	2656	batexe.exe	74
PID 2656 wrote to memory of 4472	2656	batexe.exe	74
PID 4472 wrote to memory of 4376	4472	b2e.exe	75
PID 4472 wrote to memory of 4376	4472	b2e.exe	75
PID 4472 wrote to memory of 4376	4472	b2e.exe	75
PID 4376 wrote to memory of 3468	4376	cmd.exe	78
PID 4376 wrote to memory of 3468	4376	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:2656
- C:\Users\Admin\AppData\Local\Temp\CA16.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\CA16.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\CA16.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:4472
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CCE5.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4376
  - - 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:3468

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\CA16.tmp\b2e.exe

Filesize
8.7MB

MD5
3af52af2a9895899213cd3cd89c60d89

SHA1
72e3a596aaa74b050b3bf48229f11c5a5feac3fb

SHA256
c00322fdedb44ca7f172153c61244f5c1caaa93a80d57bbe7bf887bc9a619cf5

SHA512
6502ddc3a73820f523d7d276bf0265db9e50721fa6197c431883e65a21acfbb8d61ae4bd2983027b48253a82e407691b5d7f4d076a9f78a53b50d6cac5c7c8d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\CA16.tmp\b2e.exe

Filesize
5.1MB

MD5
2a717cabcbb60f293002bf30828d27b9

SHA1
3329f5a03f6a6b9185a20e6e48f6d0304518c2be

SHA256
0b64f36a955a38b1a256094758035c21cccbe3de50f05ceb1efb767bca5f7b56

SHA512
63163026e7f7c60578710ea56fb4ed1f23f231ea15654eb7ac6b094bc3f8e7fc99eec41c636e2137603ca651abea6b08b3fc6dfef30aceaca5151d866899b06c

Download Submit
C:\Users\Admin\AppData\Local\Temp\CCE5.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
3.6MB

MD5
ed71ff473bc3905c2a8e8c8b66d5051a

SHA1
8fd0630bb4f93adea57bc35eb885b156f531c3ca

SHA256
38ca7cf060d9df628fe6fb1266b2d0bf4c0f2bd9e3b9f37164ac6821ec686a20

SHA512
1c8eb70abd80e04f7315132a2e29d2e7b38e9a4d9b439324f0b1fd0845aa2b08916b713a8c3b3bbca0fd9a834b856edb0e41175016daf67c15b21db461ad4478

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

Filesize
5.5MB

MD5
571c1320339275439449b79a8db289fd

SHA1
3d0b4864f6d4d33eaf00440bb80c09645c9840fb

SHA256
61c498824eb4a5c37450137abfa6799de6b00be572e2d051026d42f10e628f56

SHA512
276c8dbd30c414fe363a2087d2a968be88b74cfc0574d90366cba41fd48649f6222a41590311ab206c6b1f5efda95e75f5a55fda084862555f5162115a4bcc60

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

Filesize
4.2MB

MD5
aff0055164dab7d37064632c3c6cc649

SHA1
9bb5c7ddb0e101684cff40a63e0416a2b3565200

SHA256
93fa7b9b3862b92612530e3dddf0d898ccc9cb4881852653f14f739dcef7fec1

SHA512
e5c6b9d751da5e1e72935be4feaac2efa45d79f3f5379768d1d9d541b8cbd297a2c2458dcf0a8123ea90b9c6e18c3dbbf64766bc4da8d1e09f952cdbab141ec5

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2656-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3468-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3468-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3468-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3468-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3468-43-0x0000000065510000-0x00000000655A8000-memory.dmp

Filesize
608KB

Download
memory/3468-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/3468-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3468-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3468-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3468-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3468-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3468-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3468-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4472-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4472-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download