73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
295s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
12-02-2024 08:20

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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
2724	b2e.exe
5048	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
5048	cpuminer-sse2.exe
5048	cpuminer-sse2.exe
5048	cpuminer-sse2.exe
5048	cpuminer-sse2.exe
5048	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/512-4-0x0000000000400000-0x000000000393A000-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 512 wrote to memory of 2724	512	batexe.exe	74
PID 512 wrote to memory of 2724	512	batexe.exe	74
PID 512 wrote to memory of 2724	512	batexe.exe	74
PID 2724 wrote to memory of 2728	2724	b2e.exe	75
PID 2724 wrote to memory of 2728	2724	b2e.exe	75
PID 2724 wrote to memory of 2728	2724	b2e.exe	75
PID 2728 wrote to memory of 5048	2728	cmd.exe	78
PID 2728 wrote to memory of 5048	2728	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:512
- C:\Users\Admin\AppData\Local\Temp\A22B.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\A22B.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\A22B.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:2724
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\A4FA.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2728
  - - 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:5048

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\A22B.tmp\b2e.exe

Filesize
4.4MB

MD5
6817714e04354a199e62ac01b6e06f03

SHA1
66550d231ce6fd69a1c26ba144c42a848b1bc4f3

SHA256
42ff8a648e686c200a1e06670dcde1f6a9cfc68502b22e926eb8c28cddd49e48

SHA512
22047de875bb689deeede284a092c6fc23de6d1733413c5ca0ac25503b41c86c2374d5af5a9778620fe9b49d75ad39549355f273095bab65981213f49f1e2e53

Download Submit
C:\Users\Admin\AppData\Local\Temp\A22B.tmp\b2e.exe

Filesize
3.6MB

MD5
cec300850450d266f0024da494780bc5

SHA1
9fb4bde2bb529c5da9436c39597a446bdfde99e4

SHA256
0e3e1503c6db7fd6a657b0c4afd68d3599cd594251b39db7ebc5062cace23f5a

SHA512
73f73f70fba9ed4d4105f40609a3b7503fedd01e66b7a0c498ec8dc6328c30f07ee5e6668d2acdcd9f1dcfeedd177228153f2c226c6f53584db25c184d068765

Download Submit
C:\Users\Admin\AppData\Local\Temp\A4FA.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\libstdc++-6.dll

Filesize
4.1MB

MD5
e48175533e3b08aba180408e013bdd2d

SHA1
236a99960062e32b22aeaead5fd1aaaf1afe32b2

SHA256
42c188940b475adb587c6a0c648754eac5e6601ff670818601ea4e61b36ca8a4

SHA512
b357c64908dadc8b4227c32cba93744dc85cd88f31b7b89f043111736c36cdd76203989a7d828ad80fdeb6e9fa618cf0ae591805bd0f6dadd3e56dcb01bfe0d9

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\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
3.2MB

MD5
81bdf611dcb0a9b3de2cef152fdbee05

SHA1
ef8c0f62c1169c2c62a164dacec2bdd58e28962b

SHA256
1fc368065e005b8cb19974735ff7bf4885228d64caa94d371ea3aa6d29a6cafa

SHA512
6686b08b17b151f1eea6d2fc8f097153f23a45aa7a142ebb89f6a40aecfd5377f4a89a677b0baf773a80c9825e2657c24c9331cb0ae7f0f253eccbf50af2cdae

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

Filesize
3.4MB

MD5
fcaa66cff773188f23b128951fbe6071

SHA1
651c34752585f35570558e536bda6dd988496e2e

SHA256
d68b0b3dd281ccc4e8e8ccedbaccdea8d3adef8a5cd28a295d41bf841d009cec

SHA512
de218f1f9a39f38717ea3e3af8cfcde0f826ea3f8bfa61e22ffdd980c3c236db0c4ab0d43c4649a84541b1547ee40c72c9ac663a8b6f471ecac039cd6e8dd2ce

Download Submit
memory/512-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2724-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2724-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/5048-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/5048-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5048-43-0x000000005D6A0000-0x000000005D738000-memory.dmp

Filesize
608KB

Download
memory/5048-44-0x00000000010B0000-0x0000000002965000-memory.dmp

Filesize
24.7MB

Download
memory/5048-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5048-46-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/5048-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5048-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/5048-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5048-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5048-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5048-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5048-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5048-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5048-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5048-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download