73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
max time network
297s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
18/02/2024, 09:00

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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
4636	b2e.exe
1944	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1944	cpuminer-sse2.exe
1944	cpuminer-sse2.exe
1944	cpuminer-sse2.exe
1944	cpuminer-sse2.exe
1944	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2300-5-0x0000000000400000-0x000000000393A000-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 2300 wrote to memory of 4636	2300	batexe.exe	74
PID 2300 wrote to memory of 4636	2300	batexe.exe	74
PID 2300 wrote to memory of 4636	2300	batexe.exe	74
PID 4636 wrote to memory of 2280	4636	b2e.exe	75
PID 4636 wrote to memory of 2280	4636	b2e.exe	75
PID 4636 wrote to memory of 2280	4636	b2e.exe	75
PID 2280 wrote to memory of 1944	2280	cmd.exe	78
PID 2280 wrote to memory of 1944	2280	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:2300
- C:\Users\Admin\AppData\Local\Temp\926C.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\926C.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\926C.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:4636
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9431.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2280
  - - 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:1944

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\926C.tmp\b2e.exe

Filesize
448KB

MD5
b4f950446e73c381a61bd6803ccaadfd

SHA1
f2ca7e25a29cb7eb27cbdb6763057a52076ee0b9

SHA256
3d720258beb2e46665f82ee9af404d49abb968a4e6c1a78e760f9da18b296408

SHA512
396e4829c11fac7a1402acfaccf0b80ee1c96d65362d1cf3eba089d1407304da01a63eb8f6230dd70144d57d8573a095f3c4cb3436659fdef4af0e0cf344fc4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\926C.tmp\b2e.exe

Filesize
375KB

MD5
5c99302af10171c3005d1f9f613c8fcc

SHA1
7b78dcc4223d5b676c9e12631eab844dcce309c0

SHA256
5add084ff1e67768379104f5055b3f8a36fb79ed0fd063f8d4c7ac0cb9ec18a1

SHA512
abd9e7554859329364051ea3dd3cc619a65ca752bef2e5f2f10c8d22e2e8cc7fe53e98e6e335e881dcaa3a90540d21e0a57e1f1687b537b7bdb7e460bda8f9d9

Download Submit
C:\Users\Admin\AppData\Local\Temp\9431.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\libstdc++-6.dll

Filesize
4.8MB

MD5
29f85581884453f7b05eca9ac70a0a69

SHA1
c3a1b31ae3c7257e1c44127353709525c8434dde

SHA256
1a038f2e2912fec76642aac71b4157e5119d2a0d372549a365085fa9123a0706

SHA512
33ce7f65e7c43d922a0e05558ab4220e23d63214e22428c82a64d86bb1628b6c0f8a79e797c269c2d269cc62486b3b17c0d2c67018b850a27fe6c4694c66623d

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
3.9MB

MD5
ae08c44112dd82809ba1f6b6ddb2ddcd

SHA1
16a8a727a25167e07b9a429ec43fe1d2e5ecdbab

SHA256
824866dd47adf5a8d5e17885165f9c16aec402b5b6befc0d9dcb5e4b09813a5b

SHA512
0ea95c11de55fd614baada2a68a487c87124dffe01248f53b11d75fe5a356bf6ec13e5dd72b458697b2cabbf493df2f15fcdccbb9ae617b2bc2eead6fb3e881b

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

Filesize
3.6MB

MD5
962fe8ba6628a1a59ea9733529c4bc3c

SHA1
93cb0f017240b0d64711fdb1656851c4ab6ce030

SHA256
ad886bd3c0a738b90f336f6616b8760407ee0778c8014aa0be44cb99fa72e5e8

SHA512
451a8ca8950d80a35b505479646a8ba1d029c1cfc0257b2a9fff9bb4ab058291eafc5d8491932e6815ab436f8c351006903102844160a3702311407e607b8410

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1944-43-0x0000000077870000-0x0000000077908000-memory.dmp

Filesize
608KB

Download
memory/1944-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1944-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1944-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1944-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1944-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1944-44-0x0000000001130000-0x00000000029E5000-memory.dmp

Filesize
24.7MB

Download
memory/1944-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1944-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1944-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1944-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1944-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1944-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1944-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1944-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2300-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4636-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4636-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download