73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
297s
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, 05:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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
2308	b2e.exe
4800	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4800	cpuminer-sse2.exe
4800	cpuminer-sse2.exe
4800	cpuminer-sse2.exe
4800	cpuminer-sse2.exe
4800	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4776-4-0x0000000000400000-0x000000000393A000-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 4776 wrote to memory of 2308	4776	batexe.exe	76
PID 4776 wrote to memory of 2308	4776	batexe.exe	76
PID 4776 wrote to memory of 2308	4776	batexe.exe	76
PID 2308 wrote to memory of 3372	2308	b2e.exe	77
PID 2308 wrote to memory of 3372	2308	b2e.exe	77
PID 2308 wrote to memory of 3372	2308	b2e.exe	77
PID 3372 wrote to memory of 4800	3372	cmd.exe	80
PID 3372 wrote to memory of 4800	3372	cmd.exe	80

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4776
- C:\Users\Admin\AppData\Local\Temp\804C.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\804C.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\804C.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:2308
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8201.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3372
  - - 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:4800

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\804C.tmp\b2e.exe

Filesize
6.0MB

MD5
0848e4f426f13950ead9ecd0a7db9f39

SHA1
a752ec7f7cb587bcbb493b1d46bc5152dc596021

SHA256
b3065232d39c73c75d083f019b6c9f7cc7d2534fafa34de3be828a6298a970ae

SHA512
b584e8b3986ac8ab5b220299a0bbbb9819949c3c24c68a3c4e21316fb0b7eb5d360ac6745a30d9058bd5f861b537d0bc4e49673cde54bfbeeae176758a63e5ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\804C.tmp\b2e.exe

Filesize
6.0MB

MD5
ad1654898db4b29dd77b200f2663f610

SHA1
271713bad5a3eea4323754568bd77cff236c0247

SHA256
f81c688d556b7c4ab7b4f130358efd62c0cbb8977846f473c9d79bad488efca7

SHA512
4046a24848177556dcd67aa52aa02feff7a6715e0e1d3c39ef4b3ee041f899e7ec41de3e0ff74bd9ed6c41a066ed2266378778361d23db1c6c42b703638a7a55

Download Submit
C:\Users\Admin\AppData\Local\Temp\8201.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\libstdc++-6.dll

Filesize
3.8MB

MD5
b0412c20fb83e346df76b3f1b9bed5ca

SHA1
a1475bb8a5a027008744434b73a161d64bbb8fd9

SHA256
a514e5c4a27af4ac25ceffa7b4bca873180ba349502467357a83e15bca4d97c7

SHA512
0051757290a68b524fe7799082bc23f449191b9f54b885e22f5384042394ebbdce79b033960ab659ca1a58551fc7c5a6917491a8fcf70c7eae0ac6cf20d2a333

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\libgcc_s_seh-1.dll

Filesize
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

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

Filesize
4.3MB

MD5
f15b4e31404f417a5dd90d68dd96be3f

SHA1
9fdd149eba4ae34b06b611f6cad4a92875ed0608

SHA256
dcea8906602f8443713355e26ebac2edc1c2987e0cef61fa4e8196630639e1f4

SHA512
a6b1800785a0eb40e4539b669bc8ae809fab96cda16e6f21745ead7735bd77b1f451bcc6f47fb80979b6789ce01c29a4f40922efdc8058cbda13042b26b095f9

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

Filesize
4.3MB

MD5
0ef4a77be2f438726614a866446c3abf

SHA1
098ef02cfc6d6607a11a8fe55db3ceb10c964a94

SHA256
bfc7fc851045acb9a781ca6af776c1cc36f55eb2ba87df0a973bd4fc95e39d99

SHA512
633fe533fdb4f378d87b26b457d54ae6a83990f931adeb1ba4f0aeba6973741eff40d4d3c48fc18ceebef194892b4e2a662da57b1dd75b4959efea5eec8a8af7

Download Submit
memory/2308-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2308-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4776-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4800-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4800-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4800-43-0x0000000056750000-0x00000000567E8000-memory.dmp

Filesize
608KB

Download
memory/4800-44-0x0000000001050000-0x0000000002905000-memory.dmp

Filesize
24.7MB

Download
memory/4800-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4800-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4800-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4800-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4800-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4800-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4800-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4800-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4800-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4800-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4800-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download