73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
297s
max time network
303s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
19/02/2024, 18:23

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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
2284	b2e.exe
2416	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2416	cpuminer-sse2.exe
2416	cpuminer-sse2.exe
2416	cpuminer-sse2.exe
2416	cpuminer-sse2.exe
2416	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4972-6-0x0000000000400000-0x000000000393A000-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 4972 wrote to memory of 2284	4972	batexe.exe	75
PID 4972 wrote to memory of 2284	4972	batexe.exe	75
PID 4972 wrote to memory of 2284	4972	batexe.exe	75
PID 2284 wrote to memory of 4560	2284	b2e.exe	76
PID 2284 wrote to memory of 4560	2284	b2e.exe	76
PID 2284 wrote to memory of 4560	2284	b2e.exe	76
PID 4560 wrote to memory of 2416	4560	cmd.exe	79
PID 4560 wrote to memory of 2416	4560	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:4972
- C:\Users\Admin\AppData\Local\Temp\BFF4.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\BFF4.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\BFF4.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:2284
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\C841.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4560
  - - 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:2416

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\BFF4.tmp\b2e.exe

Filesize
8.7MB

MD5
27b16af158bbf5a68e991b839013c35f

SHA1
89412118868d7e05d7e23867917cd075f651f768

SHA256
701805a2a0c4479f626d75712cd98391c78a8145377fe094639ad2204b3c86b9

SHA512
4e79530791896cb4b46e6197e155ef2a22212976539ab321146bae76c6e43f116fbee9ade5bc2ae65758cd6bad175eda2f81ca5fb022bfbddf67cad761b2e328

Download Submit
C:\Users\Admin\AppData\Local\Temp\BFF4.tmp\b2e.exe

Filesize
10.5MB

MD5
7ce50d3755352dcd6d2e399a76f1f310

SHA1
a01ed0f688b8ea3d11ff9031e0856542b8fd4bfb

SHA256
1ea3248866c41776b2f0a0a46e996b2e5fd024100c744e898c39245f731d8910

SHA512
918a3dea3b4660e19d69f5487a711b663947d4282e07b15645ac5e853307548100042575a6e35ddf832ee3985a4f53b176e126ce7709209625f9b37624677bb8

Download Submit
C:\Users\Admin\AppData\Local\Temp\C841.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
832KB

MD5
43dd8ab1a0fd7f177db516faa81a9635

SHA1
66a8b6940797f3396a4f1a6deafca1fda5bffcdd

SHA256
d4b58fa7e09511b58f312b57e2067823a7f31ff5cd6369cbf5ef3667c27b60ea

SHA512
064753e38fb6e2d64a8ce067a52c24b55eb11cf714a534f3557a0e2bd2f5fba16030d8496c7787f4b272ae6a696f4b017d99771488832d12711a7158c927f772

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
2.9MB

MD5
d3e6de7e809ba70e5394682a15ad1d65

SHA1
d653e67ff15c1ccd17810f482383447bc231cf1d

SHA256
72baa95450cad222c8f8ce9fe4b32ad3c6c07050c85f0996c600f41c38c20de2

SHA512
29309ef916e12ea0e2acf33eecddeefe078a9ef2d54bde0e7f866b141a8402bf1cacd5280e7c09db8f7f38ca9176f693b6f290553bf347df5bd0a75284aa51e5

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
704KB

MD5
538d0a2af59454daf4418e27268ec013

SHA1
dd5e047f232d3827ba6f9c1da4f17928557dd6e6

SHA256
ef618dca52a4f65f6fd72fd721744185c44cfeff6ff90928f56481969eab4126

SHA512
1c958d315013726aa6ebc24552fb4d712a30ad6e5621db0f9037924ccb8cdf45063a01ed6da3aa50485ad084248a9c67c3513aabecf9d324eacaaa2b75f0a7c2

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

Filesize
1.8MB

MD5
0284b7f8a56d440e5772def0420d4e9d

SHA1
d7b77cbfa56efb3fcdef518f0e5d240b08130df7

SHA256
8c5d87792cd5702ac624ba9bea35b85bdc70979ea59914501fbbbcbd2b7cb1e6

SHA512
494d30dc9a7a0ae3a3004ec4938892ce81c6b930daa43bf5ac799d7c18657ce51e52556a69caf6be115fcb36cde621e9dcfbab6800f30f95cd7f5b0673d63a93

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

Filesize
1.1MB

MD5
7fd324123f1ea8126e117f0dc058baee

SHA1
4f1f603106538a8c09087d47dbfbd70958cfc2f1

SHA256
df122f867a550294a1a6caab3cb2f1498bb1e82a167f742bcdd93b9fe8fab9be

SHA512
9d998f08b9c80c9a81f40424aefaa9e6a30210e68c7bf733d7ba47cec08a7dd30dc4e492d96ae81168769714b12e6c4a109b19e9fd0e26ae16c922acef88f3a5

Download Submit
memory/2284-55-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2284-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2416-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2416-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2416-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2416-43-0x0000000069D40000-0x0000000069DD8000-memory.dmp

Filesize
608KB

Download
memory/2416-44-0x0000000001140000-0x00000000029F5000-memory.dmp

Filesize
24.7MB

Download
memory/2416-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2416-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2416-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2416-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2416-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2416-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2416-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2416-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2416-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2416-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2416-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4972-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download