73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
296s
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 12:17

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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
4752	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4752	cpuminer-sse2.exe
4752	cpuminer-sse2.exe
4752	cpuminer-sse2.exe
4752	cpuminer-sse2.exe
4752	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4496-5-0x0000000000400000-0x000000000393A000-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 4496 wrote to memory of 4652	4496	batexe.exe	75
PID 4496 wrote to memory of 4652	4496	batexe.exe	75
PID 4496 wrote to memory of 4652	4496	batexe.exe	75
PID 4652 wrote to memory of 3548	4652	b2e.exe	76
PID 4652 wrote to memory of 3548	4652	b2e.exe	76
PID 4652 wrote to memory of 3548	4652	b2e.exe	76
PID 3548 wrote to memory of 4752	3548	cmd.exe	79
PID 3548 wrote to memory of 4752	3548	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:4496
- C:\Users\Admin\AppData\Local\Temp\90E6.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\90E6.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\90E6.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\92F9.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3548
  - - 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:4752

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\90E6.tmp\b2e.exe

Filesize
5.5MB

MD5
695f881d37c8fee6ad5c20b54a5d5dc5

SHA1
e407f78585ff4b7fb5e1bfe1fbce5142a2a87ed0

SHA256
6f3405908b735a3430f12473b357239fb0ff6f9b5fd1475f48e628bffbc074b1

SHA512
c10610d33e5b8a804858138ec5640db49817e341051a7cb95d746dd1f472529ab039e5d6aaedc090e49a6092811db8c0f8eb05fed75ee435fa4c549ff7b11654

Download Submit
C:\Users\Admin\AppData\Local\Temp\90E6.tmp\b2e.exe

Filesize
5.6MB

MD5
c276587b541315387cfd4ca84d11d84f

SHA1
b327bba7d67176cdb43016fddc5b5c24bf0fec74

SHA256
d20b4abc86e71e946ed8683ba0ceb0076f305f7e2be303c02f5311dad24cb00e

SHA512
94bb2507fc2391c7377ce92f2575efc08d078a9d45990f23c43b426031dfd95a1ed00fa412d56aa2dbc3319325605f640df6c6d71e8c94845b0f64d9cade94a7

Download Submit
C:\Users\Admin\AppData\Local\Temp\92F9.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\libstdc++-6.dll

Filesize
5.3MB

MD5
243d20447eef910ff38a19c0496e93ae

SHA1
155bfb3d8bbfdb8e9629f8146d9cbe158dd5e08e

SHA256
f5d9ebb6c81a36446fe9b62d3b49e906538a6f761d4bddd709b028fc7460ef41

SHA512
34687cebe3bb4dec28bc1aecfc554856220d7398ee6f78ab1dbe0985ddb1f29fac1151a9ed1042543674be08b46b0a035f16cd57710dccc34a3ed5847287ac3e

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

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
4.3MB

MD5
0c4625be211a55d2a5e0bf7ba7ac8f31

SHA1
8e7835a7a9295d3311a1745a577700c0289607ef

SHA256
7558f431fe04a76d13eb3b885937468e7fd48aa717a727d5bae3a5ca86c30457

SHA512
736091a599ac4724c9078673307c888cc60ca318d2b39da2fa7257a5303a470f31397ad5c30227314281c52af4f752cb2abadcfc478e8724921cb217e20c4490

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

Filesize
4.6MB

MD5
d576189164071e586e3e881865aed396

SHA1
3461a24ab0d69a05bb8af36ea4e84571ea9743ad

SHA256
74ab1c9fb49aa52f2661f1ca634c4739d90cbf3be2e12765395f1151b28e044e

SHA512
6c8993498bc7fbb84780895e37c1ab22f0f024b54000d7f9c5d1e528c4db256aa8b5bc5f04e50aae7254fb41e19da7128e7a326b9a2e12e22d365677a6249e6e

Download Submit
memory/4496-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

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

Filesize
20KB

Download
memory/4652-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4752-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4752-43-0x000000006F0E0000-0x000000006F178000-memory.dmp

Filesize
608KB

Download
memory/4752-44-0x0000000001090000-0x0000000002945000-memory.dmp

Filesize
24.7MB

Download
memory/4752-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4752-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download