73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
297s
platform
windows10-1703_x64
resource
win10-20231220-ja
resource tags

arch:x64arch:x86image:win10-20231220-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
11-02-2024 20:02

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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
4448	b2e.exe
1240	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1240	cpuminer-sse2.exe
1240	cpuminer-sse2.exe
1240	cpuminer-sse2.exe
1240	cpuminer-sse2.exe
1240	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2348-5-0x0000000000400000-0x000000000393A000-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 2348 wrote to memory of 4448	2348	batexe.exe	75
PID 2348 wrote to memory of 4448	2348	batexe.exe	75
PID 2348 wrote to memory of 4448	2348	batexe.exe	75
PID 4448 wrote to memory of 3188	4448	b2e.exe	76
PID 4448 wrote to memory of 3188	4448	b2e.exe	76
PID 4448 wrote to memory of 3188	4448	b2e.exe	76
PID 3188 wrote to memory of 1240	3188	cmd.exe	79
PID 3188 wrote to memory of 1240	3188	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:2348
- C:\Users\Admin\AppData\Local\Temp\92E9.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\92E9.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\92E9.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:4448
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\94CE.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3188
  - - 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:1240

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\92E9.tmp\b2e.exe

Filesize
16.7MB

MD5
0706a20818474bca0cd8ee0580db56b6

SHA1
b87b2d851f566f3003dc54211bb725854a551e80

SHA256
2c329ec771df684124fe9da8ac05d06e990c0d5bee031a8da8bba9ca242a5169

SHA512
aca2eff07109abc35ec4660842e7dc4500eb839b9848372aa84f28f55302abee02bcc3d54bfbdeac0224e694961282b691353f7f6009057979fafa42e371ab1d

Download Submit
C:\Users\Admin\AppData\Local\Temp\92E9.tmp\b2e.exe

Filesize
17.8MB

MD5
80e3f606a7e96be480c1f3396f51f194

SHA1
81cf9f5dfaec19199a640e46d43a3801cfcc49ac

SHA256
48a2b72d15a467ca862a6d90694a7da492a17bb4096d447470c0f5aafa47368f

SHA512
e2be6bf83ce5cee33b3b92a30b1f3c4efcad6d1e33b5083bd7f8fe1a130982e7cecd7ef196e0d78202af4c29ef08b782cf0d490a6abf1ec8fca9b7dd6aad025b

Download Submit
C:\Users\Admin\AppData\Local\Temp\94CE.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
5.0MB

MD5
94966fc4ab271306a8f5c285c711a370

SHA1
7f6de8fd0ce9635ec851b55a331aaa9bed5a8f3b

SHA256
0f270e2ce92cc44905b429e49bc906e8414a2537a5d66923d0df3ef5e544e8c5

SHA512
76a82e225f7dd17711da8bdb506dd096f5c3dc13b2d8ac59ba55737202985389ae470836c5fd3e5a47a93600e0bf953b8a9b829dbdaadd46e89e3023627a9705

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
5.5MB

MD5
b98562cd210d63f56a7e40f1780afc74

SHA1
6ca6946c8497ea0e79b5f0722a7fdb670e8f844a

SHA256
7aa7797c1fdd3a82f907d6b1320c24a261cb636dea95c7a4c0e48e347c618794

SHA512
de1283ba503d133b466bf5b090cd8002d48e6b14fcffec0a5c00cdb3cb759c3ba5a835fc33f9c13085d7091261f924a5d969e91a8e4ecadf82b81c9517e57478

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

Filesize
4.9MB

MD5
0dd93bb3ece384c5d1c10ae567d08006

SHA1
4130a7b7a799eac8671b564201e462f82eda197d

SHA256
fc5349c5013e9e286c05c60b049309674ed4d811863f0bee8d528440fbff661f

SHA512
2d1785f3ef3ddf3858fa468792d1bb4d7f6d3ccbc4b1f21c08eaf6a146866d67ca90cf31cd3132556003c6cdc217a87da86e52a98902906f61693df0a862a3b6

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1240-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1240-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1240-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1240-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1240-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1240-43-0x0000000060D70000-0x0000000060E08000-memory.dmp

Filesize
608KB

Download
memory/1240-44-0x00000000010A0000-0x0000000002955000-memory.dmp

Filesize
24.7MB

Download
memory/1240-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1240-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1240-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1240-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1240-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1240-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1240-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2348-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4448-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4448-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download