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
18/02/2024, 03:11

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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
3344	b2e.exe
4992	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4992	cpuminer-sse2.exe
4992	cpuminer-sse2.exe
4992	cpuminer-sse2.exe
4992	cpuminer-sse2.exe
4992	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2604-4-0x0000000000400000-0x000000000393A000-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 2604 wrote to memory of 3344	2604	batexe.exe	74
PID 2604 wrote to memory of 3344	2604	batexe.exe	74
PID 2604 wrote to memory of 3344	2604	batexe.exe	74
PID 3344 wrote to memory of 4480	3344	b2e.exe	75
PID 3344 wrote to memory of 4480	3344	b2e.exe	75
PID 3344 wrote to memory of 4480	3344	b2e.exe	75
PID 4480 wrote to memory of 4992	4480	cmd.exe	78
PID 4480 wrote to memory of 4992	4480	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:2604
- C:\Users\Admin\AppData\Local\Temp\9049.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9049.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9049.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:3344
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\926C.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4480
  - - 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:4992

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\9049.tmp\b2e.exe

Filesize
320KB

MD5
88364d3a1722b83013616c5ae51fd6d7

SHA1
d6727613607431104a14f30001a7e1af8e2bf026

SHA256
70ea586c99e68feae0fd4579a9d93d4e0fd46b623f35b3cdbcf4fca2f6e3e6d4

SHA512
ba46a975471bad7f3aa1f333317fb152eab233934af7d648454cfbf2bd852d7745906fc407c5a4a6c60d78368486587f21aeaf9f12dbdf684de818c8e06a9e43

Download Submit
C:\Users\Admin\AppData\Local\Temp\9049.tmp\b2e.exe

Filesize
9.1MB

MD5
1f055cb2058641127fc64adb8ba92728

SHA1
0259c71a0f99b45ed6c22cb3350ecdce3bd8808d

SHA256
54a37075946179b32f820536053572ff06fd64d4bd9d810ad6ac983eb41fbef6

SHA512
4310dc063ccee456768552e9683945d642e58cda8c8151e11f05481b0265adb7b8134031354502aac12c60b669ab1fc583eece23b6fe4524ddf4f7d4a7fb7fef

Download Submit
C:\Users\Admin\AppData\Local\Temp\926C.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
7.9MB

MD5
8559ad5f2771233fac3855b47af524d1

SHA1
8224f495f9a002d42596e438616d2cda3f9712c1

SHA256
1d33df40fb07e4b4a5abf4665c28c0e5f6756d3c63c8f095da7bb276f790c925

SHA512
e032d7279ae6b646b853ebe07eaf6fce90c6695b42a499015b5ae22424ae4518676a67cf96bbafdfb5adadd6a984dc2b6a04fa30dcdc5298f8ea1210bfaf4ce6

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
7.6MB

MD5
8fca97d95050f17594968cc50b592dc4

SHA1
90c434cbbe42235a03990fc4f1f76777ca22b8f4

SHA256
b72888839bc9e75b6e5a752fac278f5533eb8006b5d4c592027ddc41e7617e35

SHA512
755bf9ea9771047b6446b327dd9e2278b9f4a5aa6f85ab6f89ef1c8430c88b38b687b705f5c320f2a392aacc3550ed5f2197a628bd636b986d608e8f2e544f15

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

Filesize
7.5MB

MD5
676b16692017b026246401cf87b02841

SHA1
cd32538f6cce4bc4d5bf3eb591b0d3d9f1fa82bd

SHA256
be25eaa2ce3cbc78c2677737c1d534059c33d81198b5745fa051b0da1369cbd6

SHA512
097242b36f67310272efc377c19914da3a60ce72449f1bb8a290743589291b8aa4f6f66808ba0056e7b41e2f7ba73be196db50ab6b6e9f1a50d43067057e79aa

Download Submit
memory/2604-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3344-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3344-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4992-43-0x0000000060810000-0x00000000608A8000-memory.dmp

Filesize
608KB

Download
memory/4992-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4992-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4992-44-0x0000000001100000-0x00000000029B5000-memory.dmp

Filesize
24.7MB

Download
memory/4992-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4992-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4992-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4992-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4992-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4992-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4992-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4992-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4992-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download