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
18/02/2024, 05:17

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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
4120	b2e.exe
4580	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4580	cpuminer-sse2.exe
4580	cpuminer-sse2.exe
4580	cpuminer-sse2.exe
4580	cpuminer-sse2.exe
4580	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2000-4-0x0000000000400000-0x000000000393A000-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 2000 wrote to memory of 4120	2000	batexe.exe	74
PID 2000 wrote to memory of 4120	2000	batexe.exe	74
PID 2000 wrote to memory of 4120	2000	batexe.exe	74
PID 4120 wrote to memory of 3088	4120	b2e.exe	75
PID 4120 wrote to memory of 3088	4120	b2e.exe	75
PID 4120 wrote to memory of 3088	4120	b2e.exe	75
PID 3088 wrote to memory of 4580	3088	cmd.exe	78
PID 3088 wrote to memory of 4580	3088	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:2000
- C:\Users\Admin\AppData\Local\Temp\87ED.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\87ED.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\87ED.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:4120
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\89B2.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3088
  - - 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:4580

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\87ED.tmp\b2e.exe

Filesize
6.8MB

MD5
8adaf484e5fd218e61586b92c2a1ba8a

SHA1
55136f65789e11ac978cef65eacf7879642ee1fa

SHA256
a4154ddfa544758b52bdbb92ba221c4eab8408ca4171573967e53048026454b4

SHA512
323e7eb9918ecbd94d5e34055639c221c064c395af9e9c7547fbe646fa4f23bb395160faba662c21bffbec48cfae13487b482b2cdfdbd2925c6eb88240162f4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\87ED.tmp\b2e.exe

Filesize
8.4MB

MD5
ae0f46ee37f396cf5722d2948592c259

SHA1
a077bc8fa887b003cc29bced4675f81fb599a071

SHA256
7f18b2642ad084ed9e7c3ebb9e1ca976c5d44a1032165aff989cb9f1808f2b29

SHA512
97271524fd65056d0cd75218a26b59da8a9c5b052d22583aaba006211eddd65b7d6e8821aca10220d3b047d1420088182a88a43bff25097c3941fd884ac450e9

Download Submit
C:\Users\Admin\AppData\Local\Temp\89B2.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
3.6MB

MD5
306bcc207419bb3100f924f16f3d47d9

SHA1
d14d6ad056a1abf2c99b13eff2ee404ba73308fd

SHA256
a08ffe2b93cd64a41426e36fd85eb41e60e6f2a823889a6137571d4ae99216c3

SHA512
92e8ce038153b3923359e1ba52018aeb11b306d1be0302d57c82a5b970b70a634a4c32578c1185ba647fc816f7e055063748371682930be8adf1ba35d676b2dc

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\libstdc++-6.dll

Filesize
3.0MB

MD5
5d3be713e102bd3427e09d7621b5de81

SHA1
c245db11ac146b3cc32b7ecf05cce988cffd8c6d

SHA256
40a480e1256507fb702e307f5fa1db4be9d7556afab719d6b1e4620210c3fea3

SHA512
c41b223201ef2207627da18d0f121e6f7ed83067a43431bf86054c78d2115e633eec6c01161d743a4a5760070404541b484a706151a50e37d6bc6a45b2b2ccce

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

Filesize
3.3MB

MD5
9774a551206968ff8ec5fb08680fa924

SHA1
7ced84707a01f1659877f0708454665acee9e5e8

SHA256
1eec7b5012b4b1355b93681ccbf1ef8ff361fa7a3236b7753f527642764c35d7

SHA512
7a3dcffdc3c2239202200cf14151ea8500e7fbe3efd4b7fc097a68e1963ec4ae823df1c8bb9de96fdb04095b6cc754495dc5fe4e86bbdf3401e54f067f651dc4

Download Submit
memory/2000-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4120-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4120-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4580-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4580-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4580-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4580-44-0x0000000001090000-0x0000000002945000-memory.dmp

Filesize
24.7MB

Download
memory/4580-42-0x0000000050D10000-0x0000000050DA8000-memory.dmp

Filesize
608KB

Download
memory/4580-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4580-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4580-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4580-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4580-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4580-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4580-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4580-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4580-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download