73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
300s
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, 03:28

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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
3016	b2e.exe
1492	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1492	cpuminer-sse2.exe
1492	cpuminer-sse2.exe
1492	cpuminer-sse2.exe
1492	cpuminer-sse2.exe
1492	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2100-6-0x0000000000400000-0x000000000393A000-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 2100 wrote to memory of 3016	2100	batexe.exe	75
PID 2100 wrote to memory of 3016	2100	batexe.exe	75
PID 2100 wrote to memory of 3016	2100	batexe.exe	75
PID 3016 wrote to memory of 2484	3016	b2e.exe	76
PID 3016 wrote to memory of 2484	3016	b2e.exe	76
PID 3016 wrote to memory of 2484	3016	b2e.exe	76
PID 2484 wrote to memory of 1492	2484	cmd.exe	79
PID 2484 wrote to memory of 1492	2484	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:2100
- C:\Users\Admin\AppData\Local\Temp\735B.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\735B.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\735B.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:3016
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\757E.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2484
  - - 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:1492

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\735B.tmp\b2e.exe

Filesize
10.2MB

MD5
c0164ecdb7326fa3471442b1fe71170c

SHA1
744a1e643861f65c255495417de479efd85d6cd9

SHA256
4464eba95dd03c4b311ca549af101d35f893519fb1f3e409be54ab6cea0882c1

SHA512
afc3f1b01ff80daedeb4217ad605eea198ca6c65c4ed126715de40f010cf68a5945492260ddc9d77b8a6de8246a9de99c86be98ba0a3b495c3d453585aff7f72

Download Submit
C:\Users\Admin\AppData\Local\Temp\735B.tmp\b2e.exe

Filesize
11.4MB

MD5
30765ea3141aeb15366d0372af6704fd

SHA1
b86239020ad7ee254d6790c4822d8f6224b162e5

SHA256
c79fd052c791ee125ae2f28945be1a858accba357ffb8a697386d0085a756c53

SHA512
aea1062b87cd0de2427db3a306cb683f90651ba5cd80e460e029a41aaae72bf938a66694bd9e637f5e5628fdb60b02364278936416571aed8591e3d6fc33c072

Download Submit
C:\Users\Admin\AppData\Local\Temp\757E.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
10.6MB

MD5
9166999be0ff635013a0cc5ff553b7c5

SHA1
4f4e363889da72916036d7d32cf53140ab7f00b5

SHA256
51b30e677b71f30d406f753583a14c9b64e9b15f70c7ce1cec5737c18fcd8cd9

SHA512
89c72a7d1a38d68d1ae362f23da3f6bf3335c12dfc3dc44986e8c8b2e4e9fd7dea82826a92361bfdcbc80d3489b4dae6ad51cd6104f4fb5fb1f66d08fcb790e0

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
8.9MB

MD5
e2b39a01952037ba30bf22d0382e27f2

SHA1
c63afe0808b94435d1735a385958127701da2792

SHA256
177e62b08a01f6946e794f7a5be781f99fc40a00ccaa117a95fc6827a1468192

SHA512
6c2181378ead745d23c5c6f4d783e47dd9e881d9d48110a4b0f5e2b88b112c55f4af4e595c9f0caf7edab3a035b5404485059472e3258f5a94ca95197855932c

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

Filesize
8.6MB

MD5
f0d2d7b00fc0d7e62aada0ec081618d2

SHA1
233084b0335eaac88354c278d2b4df9ffd90222e

SHA256
fae44fc725f7c56243db44c446d23894ad329cda64e63caee594a1f45baf9098

SHA512
ba69bd2b0b1cfd86373625007079d1ed6dd63bc23e94af6b68453715f25370b1f52c6da9ae506f7585bcffa467533d82471a238f78fd2ccf8180289e5afa6857

Download Submit
memory/1492-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1492-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1492-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1492-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1492-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1492-43-0x000000005AE90000-0x000000005AF28000-memory.dmp

Filesize
608KB

Download
memory/1492-44-0x0000000001120000-0x00000000029D5000-memory.dmp

Filesize
24.7MB

Download
memory/1492-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1492-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1492-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1492-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1492-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1492-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2100-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3016-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3016-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download