73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
296s
max time network
293s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
14/02/2024, 17:11

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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
3492	b2e.exe
3312	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3312	cpuminer-sse2.exe
3312	cpuminer-sse2.exe
3312	cpuminer-sse2.exe
3312	cpuminer-sse2.exe
3312	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4080-6-0x0000000000400000-0x000000000393A000-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 4080 wrote to memory of 3492	4080	batexe.exe	74
PID 4080 wrote to memory of 3492	4080	batexe.exe	74
PID 4080 wrote to memory of 3492	4080	batexe.exe	74
PID 3492 wrote to memory of 4708	3492	b2e.exe	75
PID 3492 wrote to memory of 4708	3492	b2e.exe	75
PID 3492 wrote to memory of 4708	3492	b2e.exe	75
PID 4708 wrote to memory of 3312	4708	cmd.exe	78
PID 4708 wrote to memory of 3312	4708	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:4080
- C:\Users\Admin\AppData\Local\Temp\9839.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9839.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9839.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:3492
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9A7B.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4708
  - - 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:3312

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\9839.tmp\b2e.exe

Filesize
708KB

MD5
7d997ae3331471c74600a54e5aac540a

SHA1
5517c1ec4987a3d684bf3d340b232866f276a4de

SHA256
44bac0c582a10258bd5b78231f7a4b82d390f4fa12a1598b56b9cb0c737a66d2

SHA512
bc0d1804648b0b19e07052c96d15a12cd65bb97242decce13f253d51e7afdb01d2fc97f290222820e71c270c030c0c75e0957e932f921234faf30a275065ca18

Download Submit
C:\Users\Admin\AppData\Local\Temp\9839.tmp\b2e.exe

Filesize
1.7MB

MD5
7b9e19cbeef48d1436f80636d98f1e29

SHA1
211ab3ec2dbf56621bfa6e7b4af51f6d59ed7e22

SHA256
ab3065d4cd6d2916257227617fba70a92bdb7b65f474d9a3b5a7910c6791775d

SHA512
cd561dbc1747d3f5e1a799a1d6f13d71150e273835ecfd1f84b00e742b04a23b41daf83db404ef527c1531f665bd6e74a4fc62bc84759208b958a4803063bdae

Download Submit
C:\Users\Admin\AppData\Local\Temp\9A7B.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
6.2MB

MD5
6b2ae5ced0837c83b1e13389d08dc9b0

SHA1
e85ed1a8782a18d85b61e18aa887738189e2cacb

SHA256
54a3a6d25e5383b15b76e159fd465d4c6eba23bf86efba48018c2bb86d456413

SHA512
b21f3d430c66920276ee58037d588fe863e8506b5ffce6baa962a28b92cedeadf1d6435c9cdfb1ffaed4e287972b29d2bdb623853367324147a11d69c85e5c2e

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\libcurl-4.dll

Filesize
836KB

MD5
aeab40ed9a8e627ea7cefc1f5cf9bf7a

SHA1
5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

SHA256
218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

SHA512
c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

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

Filesize
8.7MB

MD5
534f778b8113d61f5ab3e5244bd2c415

SHA1
da6f4c4775347c17a39cd55705d0dc37b38aed9e

SHA256
876de9a18485724787132aa35f9f525dde6ebf018b0033f77cd171e1d57d12aa

SHA512
43e4090c47f3d60e83606d7159e771b7e62f05dac3e2f7415f02422e2a82882db840494ff79309f435ec4623e3fe34f9b4cd55e78dc3faf6745366d7541d7cec

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

Filesize
7.5MB

MD5
f02458e56ea1ef17ee233002e37bca58

SHA1
6f75cd804049e491af03ba397f295599ae0b9a4f

SHA256
66851ccf52a3ad09cb40456188bd18604d33660e675849b89bf053db5dc4c97d

SHA512
872d4ecac4a07bb417b7f9f187360b229fad8705d4516cf50c495193645072de72a328f4beb9dff6d1e28f5b76ec2e9bfce214427cfa9563017f4b35f6358325

Download Submit
memory/3312-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3312-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3312-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3312-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3312-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3312-42-0x0000000057540000-0x00000000575D8000-memory.dmp

Filesize
608KB

Download
memory/3312-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/3312-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3312-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3312-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3312-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3312-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3312-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3312-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3312-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3312-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3492-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3492-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4080-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download