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
23/02/2024, 14:20

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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
4412	b2e.exe
4656	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4656	cpuminer-sse2.exe
4656	cpuminer-sse2.exe
4656	cpuminer-sse2.exe
4656	cpuminer-sse2.exe
4656	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2888-5-0x0000000000400000-0x000000000393A000-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 2888 wrote to memory of 4412	2888	batexe.exe	74
PID 2888 wrote to memory of 4412	2888	batexe.exe	74
PID 2888 wrote to memory of 4412	2888	batexe.exe	74
PID 4412 wrote to memory of 4048	4412	b2e.exe	75
PID 4412 wrote to memory of 4048	4412	b2e.exe	75
PID 4412 wrote to memory of 4048	4412	b2e.exe	75
PID 4048 wrote to memory of 4656	4048	cmd.exe	78
PID 4048 wrote to memory of 4656	4048	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:2888
- C:\Users\Admin\AppData\Local\Temp\8414.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8414.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8414.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:4412
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\85D9.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4048
  - - 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:4656

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\8414.tmp\b2e.exe

Filesize
7.6MB

MD5
7486bf9bdb418422b85d32edcf438a6e

SHA1
3e6680b963e7cc9ca28658e2d133f0a1aa5b5d46

SHA256
8f9bfcab661d49d166e4f62da1fa391c95fa2e8aa8206269a4927645fab12094

SHA512
9d5173edcb3eb4d58dfd8fa889f411fed8d6ffe8c831916c9625885f45909f8c5380e5ec4ca7aeb862f03c1f85bdf4588d0ad7e2bb19d005db0a661d6f22677b

Download Submit
C:\Users\Admin\AppData\Local\Temp\8414.tmp\b2e.exe

Filesize
7.1MB

MD5
a249d4803d852f662b22706ded5f5acf

SHA1
3634c27da44b52cc5179d591b5f25d3ebecdcdb4

SHA256
2c5515dd1a04e703561e8f34d670d5ffcb85b7558446fc8352832dd2207b663e

SHA512
d06748cf80432e798119c60f449215a75583423f6aad32b1b49caeb4894db7cb7c8d16b8f1c88e0d8dcc6a6163e8b5cf373a8b88b7f442384d2d16b410f7dd41

Download Submit
C:\Users\Admin\AppData\Local\Temp\85D9.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\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
4.8MB

MD5
6f40cb64dc6091775b9ad92299f2bb99

SHA1
474ba846faeb95f3bd1cc0fbdbffd8dc97123523

SHA256
5f088f97d17afc780b6aeb120a399479dac11b396d06ae3872f79cfff431d9aa

SHA512
a5226ba980f85856861556fcb3ccaa16d80933a170cec29f82b74ae6a4ad2197767eb58863915f5aba3705684c7b986d3706460f2fd0c302d3f7088777901b13

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

Filesize
5.4MB

MD5
b295659e6835626563c0d8257974d807

SHA1
e76e17ce4aa051d127cf90a8bb3308a17774e23f

SHA256
ac154e5b07d77f4c785fffcfd1e5224034c4b52f708c02b74def11e235acb975

SHA512
aa13b5d4c4abbe3dfeb0d0b8e0a5360cc3b39af48a1c996066647c77d675631c2361abfc2c9bc60ab709665d22de7b01aafff0021d5f8ece6f507ee95d3ae590

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

Filesize
5.1MB

MD5
f5e55cf4e5337920413f027ce3fd9c54

SHA1
e9226159e660e2baf975959d5e9a41ff3a17594b

SHA256
7604d4d1b4e81cec1d96b687f9a9a49326acd3264f97da7986c94e6ce3359cad

SHA512
67b12e75baf49d3c1a0acbebb3a82949bb00599a07106017f762c77f186d9513c06f0170501cbfb0dfc1046075d9cc77ab3d10a7fa38e3ec1041cdec8bc0339a

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2888-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4412-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4412-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4656-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4656-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4656-43-0x0000000056A30000-0x0000000056AC8000-memory.dmp

Filesize
608KB

Download
memory/4656-44-0x0000000001130000-0x00000000029E5000-memory.dmp

Filesize
24.7MB

Download
memory/4656-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4656-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4656-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4656-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4656-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4656-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4656-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4656-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4656-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4656-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4656-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download