73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
294s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
20/02/2024, 19:48

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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
2884	b2e.exe
2868	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2868	cpuminer-sse2.exe
2868	cpuminer-sse2.exe
2868	cpuminer-sse2.exe
2868	cpuminer-sse2.exe
2868	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3404-5-0x0000000000400000-0x000000000393A000-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 3404 wrote to memory of 2884	3404	batexe.exe	73
PID 3404 wrote to memory of 2884	3404	batexe.exe	73
PID 3404 wrote to memory of 2884	3404	batexe.exe	73
PID 2884 wrote to memory of 1428	2884	b2e.exe	74
PID 2884 wrote to memory of 1428	2884	b2e.exe	74
PID 2884 wrote to memory of 1428	2884	b2e.exe	74
PID 1428 wrote to memory of 2868	1428	cmd.exe	77
PID 1428 wrote to memory of 2868	1428	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:3404
- C:\Users\Admin\AppData\Local\Temp\AD66.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\AD66.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\AD66.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:2884
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\B239.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1428
  - - 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:2868

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\AD66.tmp\b2e.exe

Filesize
3.2MB

MD5
40889b384a48274d43cff4f5fc6ca21a

SHA1
62bdcdf62b98f9ccaf9f1cc3eaeeb448aa4894e1

SHA256
07f7d84ed5ce94bcb07bcbccc66909550b27f4fc5e8cca3b348bd9b5b172d106

SHA512
bd5ec17399dcf9b857c36e95d01e216b3b0130402d086697c83519f32464e053a9a7d63d3575787059e61e367ce5863161c201b5856d079fc6e6ce83f8b98897

Download Submit
C:\Users\Admin\AppData\Local\Temp\AD66.tmp\b2e.exe

Filesize
2.8MB

MD5
271f1f58742aff0ebf71fc0c3ab4a9cf

SHA1
63ef4434110ac1ca03865b31406c2921e58bed73

SHA256
9f712a59b09b14ca76baae87d480dac0b1c38e4c7eea45140c28997774690279

SHA512
18ade3b96c697954d59b8697eadae2cbdd856ebe9885f21d2966041e5dbbe9d9e150954105154f92bd78d1c3100435791b20a105d708b62986cc8910c362dccc

Download Submit
C:\Users\Admin\AppData\Local\Temp\B239.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\libstdc++-6.dll

Filesize
5.7MB

MD5
0a3f07b50e7f20838f25d9b5a094194f

SHA1
0b451571bc01f21802d2274ff10d6fc39a087a7d

SHA256
5862dec937571372b81552aa73b178ca947252afd130d072dae3a7daca76c21c

SHA512
5e9bd1165b96bb5910ccdb7aa02942ac8f73cd388ac510cd1f933c276fd482dbdb82fc22b1d2b779b0751f82f2e2581925fdb58ce4cff26114d119b4b16c6810

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\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
7.4MB

MD5
5fdc5b2d28d1e1848d0901475814a740

SHA1
450072f333b7af77d41c23f0a920475c79d7ad62

SHA256
ab33f002776f686ee21c620b9358e55ec24a3692fdcc517090ce9401bc781b94

SHA512
4a3ac5a2199e78a51210683585f42ea7753306a9010937cc8032761038b778687ee515bcefb4e17e493098ac89051fd9666adf160f75626242cd698ed6cbf7f4

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

Filesize
6.6MB

MD5
95f427b1ad03cd73f89346a4da6a41f5

SHA1
0cc0089ddf6adeaf118033ce72ad91d0c40eb138

SHA256
5a944087be4a7bda4b40ecf502a91f335624dcfb4734666c2b91447a6cfa01a8

SHA512
d4263a8ae46a064fbb60f8638e48b203aef9c4e4af9e8c66691720b4284bcc891c8e6bdf3de97d1f451b826ddc71bc904c587c0ae1c78f90729998a5813622d7

Download Submit
memory/2868-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2868-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2868-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2868-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2868-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2868-43-0x0000000072E40000-0x0000000072ED8000-memory.dmp

Filesize
608KB

Download
memory/2868-44-0x0000000001030000-0x00000000028E5000-memory.dmp

Filesize
24.7MB

Download
memory/2868-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2868-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2868-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2868-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2868-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2868-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2868-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2868-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2868-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2868-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2884-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2884-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3404-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download