73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
296s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
20-02-2024 12:35

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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
4804	b2e.exe
1896	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1896	cpuminer-sse2.exe
1896	cpuminer-sse2.exe
1896	cpuminer-sse2.exe
1896	cpuminer-sse2.exe
1896	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/872-5-0x0000000000400000-0x000000000393A000-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 872 wrote to memory of 4804	872	batexe.exe	76
PID 872 wrote to memory of 4804	872	batexe.exe	76
PID 872 wrote to memory of 4804	872	batexe.exe	76
PID 4804 wrote to memory of 4340	4804	b2e.exe	77
PID 4804 wrote to memory of 4340	4804	b2e.exe	77
PID 4804 wrote to memory of 4340	4804	b2e.exe	77
PID 4340 wrote to memory of 1896	4340	cmd.exe	80
PID 4340 wrote to memory of 1896	4340	cmd.exe	80

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:872
- C:\Users\Admin\AppData\Local\Temp\9858.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9858.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9858.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:4804
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9A8A.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4340
  - - 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:1896

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\9858.tmp\b2e.exe

Filesize
9.2MB

MD5
10bec7fc8147963fae872d39050dec30

SHA1
9e971e80d5f70139aface82443a1fa4618bfc970

SHA256
da0cfaa3f3d8a7fd62fad9bd030c8edd5758f43a86c2aa550d08c3b43913d9f0

SHA512
5514ffebbf6456cb9cf84881193fa2786e8ed23547b8e0b4ef34961c7a9e69d6b4262ca3fe850f3a4124bcf06da8125b592a76bd8448537700aef38e9b043c8f

Download Submit
C:\Users\Admin\AppData\Local\Temp\9858.tmp\b2e.exe

Filesize
9.8MB

MD5
670b31b97167d83cdb4b71538780fdca

SHA1
25bb6180e89b773c8d0b69937cc23527b05ec120

SHA256
f360a20b403e8b9e549c854e26a73ce4620881c1141ac40433a329618bf203a5

SHA512
a0191be1caec7580ed54d0e68b759059fd39177402d99c7ea72ef5c580d9eeacf740f4fac3bc80b9f11755632ff5e4b7d71e6fd8ba6eb3731bfde0d508af10b1

Download Submit
C:\Users\Admin\AppData\Local\Temp\9A8A.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\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
6.5MB

MD5
9b521b9500f5c76bd785f964a1c41197

SHA1
042235a8eedc914518ec0e92bd550c800df91fe1

SHA256
8d27a096cd8ddd5f05a43baa4986ecd93ab78f9ea60c17123fbefd10b11a98d5

SHA512
0a7aa9ef555bac61dba141f8264eda10c528a41ecfbeb9ff756e269602ef12333f157dc9f71082c3e494afede0451287dca7b3d30b00b8a6739d3e8268d070a6

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\libstdc++-6.dll

Filesize
8.9MB

MD5
2d3d46b5f597ee107422982ae27b2261

SHA1
3acac6b068f492cbe266ec3321065958bb9134ff

SHA256
c8370f79d4b0a45f68624fb179e55296575c136f081ce0850c2a8e165038a2a7

SHA512
bd4018213bd297cfa4bbf2624440d4fe4060965f3b15dce1dddf090325f584435c3b3ba4e034046351d0138e636821cf6084619dca95b8eeacfafe98fd479021

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

Filesize
8.3MB

MD5
6b5c728eb72fe854ac7b11ff59419b4a

SHA1
a067ebee365eb93175208d2366a47dd0680a65c7

SHA256
1ff82b481d51e145f4854a1af46a55dbe7c2b8ed28ea7acea8805abefe2e1164

SHA512
75fc5afc9d9d3772b6006734004c0d35ba7608d2fd84275e58e74c45d28742e8474eeb984fd73955a0dce63d07df5d092f13d01a49ed67c048e6c96e3e168c89

Download Submit
memory/872-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/1896-43-0x000000006E860000-0x000000006E8F8000-memory.dmp

Filesize
608KB

Download
memory/1896-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1896-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1896-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1896-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1896-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/1896-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1896-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1896-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1896-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1896-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1896-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1896-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1896-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1896-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1896-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4804-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4804-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download