73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
301s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
13/02/2024, 04:58

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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
32	b2e.exe
4952	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4952	cpuminer-sse2.exe
4952	cpuminer-sse2.exe
4952	cpuminer-sse2.exe
4952	cpuminer-sse2.exe
4952	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3240-4-0x0000000000400000-0x000000000393A000-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 3240 wrote to memory of 32	3240	batexe.exe	74
PID 3240 wrote to memory of 32	3240	batexe.exe	74
PID 3240 wrote to memory of 32	3240	batexe.exe	74
PID 32 wrote to memory of 2348	32	b2e.exe	75
PID 32 wrote to memory of 2348	32	b2e.exe	75
PID 32 wrote to memory of 2348	32	b2e.exe	75
PID 2348 wrote to memory of 4952	2348	cmd.exe	78
PID 2348 wrote to memory of 4952	2348	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:3240
- C:\Users\Admin\AppData\Local\Temp\97CB.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\97CB.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\97CB.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:32
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9B07.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2348
  - - 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:4952

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\97CB.tmp\b2e.exe

Filesize
10.1MB

MD5
ec358e6a60b1ffe6834518781dd09e0b

SHA1
48d44931f8905eced709adf13c6ea6bf13eb859f

SHA256
3d81b070d08ccb442d783e81edc8c7d86e10f714d8cb7fce9a8bfb02c6d34337

SHA512
23520e5e59eaecd44b0ffd2b5c5713d316970cd3b7cd8a3ae0c8772fcbf12e9dd32a0578ce7f404c6c4b5dfd40614ae9b948ead6a0d9e02ed449b7a90acf2cbc

Download Submit
C:\Users\Admin\AppData\Local\Temp\97CB.tmp\b2e.exe

Filesize
13.2MB

MD5
ea3b5c434a12dbf1fa46d6a32b71e904

SHA1
de7174c8a3ed8433fad02b30492726e2fa1e73c4

SHA256
f4152200d3c8a8374c1384f4ba0ae81db2e8e23c81beba2a1f2cb270653f9a90

SHA512
cbcd7b84b44b9fffc2cecd50e2cdb04c915868098c4fb44ee9a13efc2c3b2f28e6c24a05d533d8cdf8b5eb9748ebec4fb91024442039a88d03d60dc04595c3fb

Download Submit
C:\Users\Admin\AppData\Local\Temp\9B07.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\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
5.1MB

MD5
a88372048aeb5e969e69f038273687b6

SHA1
7e836ade8c773d1589ac61962de7befbd2ada0af

SHA256
355ef2688cc32d5fc38f7d514c5290b1d5609b64f3e93bf7f1d0dc43987a2bd9

SHA512
5d2ba10b4afc505a5e091b468fabdf740d6e171abf688e2e933a2f70ceb6e7261f2cba0580f8f0e76bf4972e001fa90c03f4c3f31363c46e58a1e9ff2af8c9eb

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\libstdc++-6.dll

Filesize
4.3MB

MD5
448df14b5d08dd22b58897d4a4c51434

SHA1
ec1bca9a995308d182cb749998a75ff880c9410e

SHA256
22c6c9bd04e46a72053de3ecae10bab83690a6fa3227eb9da248e0bc4243279e

SHA512
59919a4d486244c949163529e6f8f4bcd775a8f93fdc0990a846fa1d927299338d8631e3adb28a4a382ccbb2b4b1cc7dc8cdd41a4b0ce8e87cc117137397fd8a

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

Filesize
3.9MB

MD5
5f465e35f638576034a5951df22186d5

SHA1
47dd3041b5ef05e12a30d756a94d07b5f062cc95

SHA256
93ff19608579031bde8453df5851528a3637308f4653d86d415884a3d486ee4c

SHA512
631004b276b02143e59ea2b89ff15799647221f14bfe3116333c00accb3e2914b14ef9e4d4c4829888004e388844e8b8a46c6f15aa5b3020cb1e032c64c8f31b

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/32-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/32-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3240-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4952-43-0x000000005EAE0000-0x000000005EB78000-memory.dmp

Filesize
608KB

Download
memory/4952-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4952-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4952-44-0x00000000010B0000-0x0000000002965000-memory.dmp

Filesize
24.7MB

Download
memory/4952-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4952-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4952-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4952-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4952-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4952-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4952-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4952-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4952-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4952-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4952-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4952-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download