73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
302s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
17/02/2024, 15:16

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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
2136	b2e.exe
3708	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3708	cpuminer-sse2.exe
3708	cpuminer-sse2.exe
3708	cpuminer-sse2.exe
3708	cpuminer-sse2.exe
3708	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4476-6-0x0000000000400000-0x000000000393A000-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 4476 wrote to memory of 2136	4476	batexe.exe	74
PID 4476 wrote to memory of 2136	4476	batexe.exe	74
PID 4476 wrote to memory of 2136	4476	batexe.exe	74
PID 2136 wrote to memory of 1168	2136	b2e.exe	75
PID 2136 wrote to memory of 1168	2136	b2e.exe	75
PID 2136 wrote to memory of 1168	2136	b2e.exe	75
PID 1168 wrote to memory of 3708	1168	cmd.exe	78
PID 1168 wrote to memory of 3708	1168	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:4476
- C:\Users\Admin\AppData\Local\Temp\B94.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\B94.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\B94.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:2136
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\FBA.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1168
  - - 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:3708

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\B94.tmp\b2e.exe

Filesize
2.1MB

MD5
7dba76430924ee42c06f4d5019a0e616

SHA1
aad65ce54366888638104dae7f430f33434e5490

SHA256
044b3136220916dcaf505798f9ea9c22ac45a5a4a75a73f58d9076e0f3f457bd

SHA512
6565ff0d5d251fcbece74abf732a0a990c2ea8677b55a9183ff30f34b324fa38a9393f6d26ca905b141b4457d4e757c9b1d9fdd8e154388494c23d54eb62a5b2

Download Submit
C:\Users\Admin\AppData\Local\Temp\B94.tmp\b2e.exe

Filesize
1.9MB

MD5
db5c09852a9dce74cc260d402b8487bb

SHA1
7f53cb14088c23cb2140e52b245535100dfbea85

SHA256
e7a5f75e6901b233b87b806134d5bea194e44705f263f86f471c89fd16d9e262

SHA512
83f204c1b641a7c4e33b91cad2fe52c450637ff5653a8d98709d728f7930e9a9e13ceb974c2cf8e622f5ded0766ec86ca01684e3af80f6fd00100c27f36df133

Download Submit
C:\Users\Admin\AppData\Local\Temp\FBA.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
192KB

MD5
01f228e3eadcf394f8e57348314c7104

SHA1
71571d5d327678688e7c77f19509a17781ae17d0

SHA256
c38983cab3c0de4a73e61d6ed2abcee2567becbfca4b1714d3b03389556880f6

SHA512
eb40b33112cf913383b22dbf4d2977e4c8cee5123620efea1b10d0e5e5d1495e37b12c5f2da0cc778af2044d6f7667ed7b009c019f7e03cdf5f060623f4ce9e3

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
9.7MB

MD5
4402a102db09db28f6fa5e252c1cc08d

SHA1
6edfe8a912c0ec8c72be5eede97f7ccc81735907

SHA256
b2c3206afca21f48feb8cc281b9de32dc160fe6b6571a971f93601cefa486743

SHA512
9dae93cac1375ac5348b50ab27addd1edf91a86989dad327a9e8cc22ac1f45ff001a1c93c85d5a9ecc3eefcddab280e88cc4b6ce83cd0814c6dee43d22043b97

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

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
8.4MB

MD5
cca787f3068e924f4b563eda939a7a0c

SHA1
b511f49c060fe153f6512592a05ff20445361c57

SHA256
22c885f8f85aef57e5e22d85e8920f59ed3c7692e4185d1f8570b84b28e172e5

SHA512
ff07a76de3b06687e485f1ebbaf6f9b2d1d3bd36ddf9e10f71dd90db27488dc050b48a9ec006ca2fba3753dd2b53d2a0e8b9d90ef473c3599cfb710d45ba7990

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

Filesize
7.4MB

MD5
f79630da48bb366df08fb129f1e97e90

SHA1
0ee418f1dee79f380331cc6c6e6218b00aaa06d3

SHA256
7141b1170c456c71fd077eb3f7fc31c1cd83c785d46c6d852db26248f137bdff

SHA512
94da88d95223076b0934262e47bb279f80cbe601d82e8c66aba0eade31277487fb45fcb37cc7ebc79fcc460fc84add5c7c901ff18c9ef146bc720e149b78e34e

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

Filesize
64KB

MD5
6cccf65bd7d7ff5b53aeb882e15c462c

SHA1
a9822b63ad70c6085ed1deda0fbe4bc5fe555f3d

SHA256
1379cd6111c2c37cf16f2dd9b325118513e85c35543ba45e79deb504dd4c01d2

SHA512
c174b5f8615131c2b86c57aee166744ee1fe02ff7c916195f2fde06684f467545a3fa4f88083335e2045d12727d774279dc8672ec352de3095b729aa5d1dedcb

Download Submit
memory/2136-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2136-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3708-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3708-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3708-42-0x000000005B350000-0x000000005B3E8000-memory.dmp

Filesize
608KB

Download
memory/3708-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3708-44-0x0000000001020000-0x00000000028D5000-memory.dmp

Filesize
24.7MB

Download
memory/3708-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3708-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3708-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3708-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3708-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3708-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3708-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3708-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3708-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3708-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3708-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4476-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download