73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
299s
max time network
306s
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 15:53

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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
2388	b2e.exe
4064	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4064	cpuminer-sse2.exe
4064	cpuminer-sse2.exe
4064	cpuminer-sse2.exe
4064	cpuminer-sse2.exe
4064	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3864-6-0x0000000000400000-0x000000000393A000-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 3864 wrote to memory of 2388	3864	batexe.exe	74
PID 3864 wrote to memory of 2388	3864	batexe.exe	74
PID 3864 wrote to memory of 2388	3864	batexe.exe	74
PID 2388 wrote to memory of 3508	2388	b2e.exe	76
PID 2388 wrote to memory of 3508	2388	b2e.exe	76
PID 2388 wrote to memory of 3508	2388	b2e.exe	76
PID 3508 wrote to memory of 4064	3508	cmd.exe	78
PID 3508 wrote to memory of 4064	3508	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:3864
- C:\Users\Admin\AppData\Local\Temp\B083.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\B083.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\B083.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:2388
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\B44C.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3508
  - - 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:4064

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\B083.tmp\b2e.exe

Filesize
1.4MB

MD5
fe4bc2bb4397eea601e0fa6c45cc20c6

SHA1
35477fc0a38f9db357a70f9b0573537fca582a9b

SHA256
8852fb3a8294753e6b088d458547feaf54685068ed6bc0dece93f608ab44afa7

SHA512
3759f54232069d2efba631954ff86bbf5ef58a616e4e0109c9ad5fcd632ee97ddf169ebddbe58237dbee36951c8d2e176312abe4e142f636398bff8fc2973bbf

Download Submit
C:\Users\Admin\AppData\Local\Temp\B083.tmp\b2e.exe

Filesize
1.6MB

MD5
1e9446ffe80055b0d0681a975585d4f2

SHA1
e2b13091250549c39e6156044d3d826cfa7cc936

SHA256
6a5e65eb48e3c9f4a594a64b60d57436418cec87e75c9cf93d55746ef761e17c

SHA512
fc3ca72c1070ad153cb9f99b6a1665efb80d83005f575d70437af8d87164bff1c689305570feb80d84889a31fdc0ee1b375576fa9594ee303c2ab0776bf0e2fa

Download Submit
C:\Users\Admin\AppData\Local\Temp\B44C.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\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
5.1MB

MD5
6c400df2142883c874bff307a21c4634

SHA1
c982896dec1ef7a12f46ab5986c2841490f2c738

SHA256
c516595732232399df0f60f657bba9a831096a039f099730da37a59f831d611c

SHA512
3ceece8814f47904ce56a58ceedb74345a48118a31c1e0435ec7aaefdf5a684df96360ec472dcda3158dd7a3a8ebd58137dc246f20debee1df9cfe7f39a16e40

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\libstdc++-6.dll

Filesize
5.6MB

MD5
8e6ed4262a455e778de6bbcf6e4406b3

SHA1
fdca4328eff37953a93a92d8ef0705961b7ca556

SHA256
8148277b77899edc48d21bf2ebe9890183c073d11ea32566269ec504a40d885f

SHA512
44a6eefee0f18720df7d8ede072bc4d2d3d46bf2ba285126fbe50bbb48978cd666501f74b5d038ee06cb46141e9058a78a3284067399a530f71880499f2312ab

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

Filesize
4.2MB

MD5
aff0055164dab7d37064632c3c6cc649

SHA1
9bb5c7ddb0e101684cff40a63e0416a2b3565200

SHA256
93fa7b9b3862b92612530e3dddf0d898ccc9cb4881852653f14f739dcef7fec1

SHA512
e5c6b9d751da5e1e72935be4feaac2efa45d79f3f5379768d1d9d541b8cbd297a2c2458dcf0a8123ea90b9c6e18c3dbbf64766bc4da8d1e09f952cdbab141ec5

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2388-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2388-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3864-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4064-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4064-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4064-43-0x00000000702F0000-0x0000000070388000-memory.dmp

Filesize
608KB

Download
memory/4064-44-0x0000000000D40000-0x00000000025F5000-memory.dmp

Filesize
24.7MB

Download
memory/4064-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4064-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4064-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4064-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4064-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4064-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4064-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4064-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4064-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download