73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
296s
max time network
300s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
14/02/2024, 11:50

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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
3264	b2e.exe
4356	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4356	cpuminer-sse2.exe
4356	cpuminer-sse2.exe
4356	cpuminer-sse2.exe
4356	cpuminer-sse2.exe
4356	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2840-5-0x0000000000400000-0x000000000393A000-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 2840 wrote to memory of 3264	2840	batexe.exe	74
PID 2840 wrote to memory of 3264	2840	batexe.exe	74
PID 2840 wrote to memory of 3264	2840	batexe.exe	74
PID 3264 wrote to memory of 4776	3264	b2e.exe	75
PID 3264 wrote to memory of 4776	3264	b2e.exe	75
PID 3264 wrote to memory of 4776	3264	b2e.exe	75
PID 4776 wrote to memory of 4356	4776	cmd.exe	78
PID 4776 wrote to memory of 4356	4776	cmd.exe	78

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Users\Admin\AppData\Local\Temp\A846.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\A846.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\A846.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:3264
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\AAD6.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4776
  - - 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:4356

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\A846.tmp\b2e.exe

Filesize
6.7MB

MD5
804e5e2d2630dc0a9fc8bffcdbfbff2e

SHA1
169ef52780e7ec08109794099b12b1c151c1a94e

SHA256
29206896f823e36f52aee7dff1bf1a4516a71c0f9577b542cdb93bbf9c092173

SHA512
962f034d8d95fd8d92908103126da03ec9a445fc43e6a0d4ec5be27d0983aa850d0b189b0f7e53f87f573d9d0b9eaafc7d27aaae440cc463b17aedb9b89990ca

Download Submit
C:\Users\Admin\AppData\Local\Temp\A846.tmp\b2e.exe

Filesize
8.4MB

MD5
ce0f35d94c982653818d2200b9c6136f

SHA1
c6b711de257bf5f6e6e71c6107f124ab472cd316

SHA256
387d2c69ce716beb2a7bacf4fc7b190d670061e77a781bd03cc22a331b209462

SHA512
a58a9fc1b8d770dcd812657fab257292d544a733ffda05322f6ccb55ae64988c8168b67d565c7f843c8b6e9387f7f25caec6535567bd1993a238927ca5e9b91e

Download Submit
C:\Users\Admin\AppData\Local\Temp\AAD6.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
604KB

MD5
cbfcea9854b4496c2d7908a67699341d

SHA1
21ea165d2e7beadab478e07b72a8a10130468c16

SHA256
4569065e086da9d622cb5cfba2afb79165523afd83e2077e36700396635ca455

SHA512
eb5eb03bc19e5c5f502f577fd972a260378338616cd5b43426b4b4621590ee03f007527b8905216d65d5b23100dad3ec03ba448f13cf0e1f70f5aa190274d602

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

Filesize
1.8MB

MD5
1e89f782673a3601ca45978e042144a6

SHA1
6af610910b663db519ba0aa0fa0f41eb42f93237

SHA256
535d6ab6860aa7257d70e4c0a892f5264ff6f74f55e2793148e2ff1ab031d872

SHA512
e11bf28a695ecc09c63c949438c5c68f1902624d39ec04bd91999189732ca995211430ab160cf7477da53687b2b6d26de5cabc9e19feff32488e2da18a29f7d8

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

Filesize
3.1MB

MD5
77c696353c9dcc318da015548f992f58

SHA1
03132a7bb77a4b69d34aa297460cbd176f764895

SHA256
7b2c513b165875ba6cd32d1d47841eb6c89966efe7fb2cae9c3a09c0e86e0f93

SHA512
c7864504bf1a19081ea7c66afe360bdf304285299cf2cd34e1ba16b4290b87fd29237d06bc7b04aef7c37a40a6ba1aaba881f809766e3d40b77f95c70a1123b6

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
2.7MB

MD5
c813b9471ad1333f3595574ed2946029

SHA1
3414cda09c56cd416e12f52eda812f5352325692

SHA256
d719f1c1d5df1d55aa552239ec2712b9d170d4d5af6bf631f9c2fe5e7208204f

SHA512
c8b4b31e447edb6275aa17e2890b2fbf622a7aed185a4c258c6ac7ae85046b0070b59f82cff99175975d9e65109ca03ca2975aac23bc9d0df5372cd02c03276f

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

Filesize
1.7MB

MD5
12fd2412a770505caf35e93cf3c9b800

SHA1
f3f95a26d37f56af6f98315e119945c8292ef265

SHA256
784b2e4312f83a7ccfb4346e169d31cd1186411119a9c216c9e68748e8a45ed6

SHA512
91ad65c4283724356eee267f05db4c1e9d2323cfdb16e3be3a3269f1685de724c13df4635ef2d02edf04bf14e0f9a61e603b1acd72bf6587da87b01188436fd1

Download Submit
\Users\Admin\AppData\Local\Temp\libwinpthread-1.dll

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2840-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3264-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3264-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4356-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4356-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4356-43-0x00000000667F0000-0x0000000066888000-memory.dmp

Filesize
608KB

Download
memory/4356-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/4356-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4356-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4356-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4356-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4356-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4356-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4356-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4356-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4356-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4356-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download