73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
296s
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, 17:55

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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
1240	b2e.exe
4636	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4636	cpuminer-sse2.exe
4636	cpuminer-sse2.exe
4636	cpuminer-sse2.exe
4636	cpuminer-sse2.exe
4636	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4020-4-0x0000000000400000-0x000000000393A000-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 4020 wrote to memory of 1240	4020	batexe.exe	75
PID 4020 wrote to memory of 1240	4020	batexe.exe	75
PID 4020 wrote to memory of 1240	4020	batexe.exe	75
PID 1240 wrote to memory of 2904	1240	b2e.exe	76
PID 1240 wrote to memory of 2904	1240	b2e.exe	76
PID 1240 wrote to memory of 2904	1240	b2e.exe	76
PID 2904 wrote to memory of 4636	2904	cmd.exe	79
PID 2904 wrote to memory of 4636	2904	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:4020
- C:\Users\Admin\AppData\Local\Temp\953B.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\953B.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\953B.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:1240
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9700.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2904
  - - 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:4636

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\953B.tmp\b2e.exe

Filesize
5.1MB

MD5
d11fe858b2c8c9cdfaebefc0773e865a

SHA1
0af510f31a04a7284efc190abf33aa7728dadfd3

SHA256
1e761f5aaa83c8f7f36a634a2ed4d97a31610723cc69f47f030feee79fd69f13

SHA512
65200bf484fcd250b0af99e7423e21ad0c736ca7881d302a64c7080c198da7429158bf09676e524def1459694e1d5256e6eebe604c943545f52ab15f9833a4ab

Download Submit
C:\Users\Admin\AppData\Local\Temp\953B.tmp\b2e.exe

Filesize
4.8MB

MD5
15bedbacfa4eca51d4f266ed8af73745

SHA1
e5fce71e9deb0d2615f73a905bf1c0717fbfdcc7

SHA256
5182c5eea9112884f9e8c96b583b56928cf0a4cb42e289bda727625b26df58b8

SHA512
3460446dcb9085e55bae0d8e5b13d98b57f195f371c9724194238219d92f80052013b5fc5d3c038362abb12970fcdd33f0e4e741f9a377d1d5f1365800663ce7

Download Submit
C:\Users\Admin\AppData\Local\Temp\9700.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
2.2MB

MD5
70a1486090ed9e36abbbe55202085142

SHA1
e321e20807f3771c1c1082ccd4aa7879b79cbe39

SHA256
783846fd4c7b73410e9b54d83b9331d451df250b01d3bf01078534b29d067efb

SHA512
5c635b092de86c0ffe6e65dd4164851128b87f0a1373fb0a5eba22c7a9916144a4a9cdcfc6777c2124dedb26d21be814889f1acf34364886722adca59dfeef06

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
1.9MB

MD5
5263b3c42459f298245563a378085583

SHA1
8033595357cf0fb205cd2f07211e6dcddbafdb94

SHA256
c9590a9d9c5852277010621562e001f0ae7b86e0da536961370234cc68f55c68

SHA512
88f340b1f64450b01db7892fb1d3a67add59a96823bbe29eecce507ab8767255fa910a89453e988eeb611e6a5db871b97ebc688090fe019638ce4ea5fa431206

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
1.5MB

MD5
0214a516c476cb245aa8853c6bf3217a

SHA1
871c9bdd4fe4db63592ad32ede59aaf92725c8ad

SHA256
caa381c611bcb36aab2725996435f9f427a7c4c41ba6268b345482eeca2c5d4b

SHA512
12798b0b21130bfd040169ada6666766bfe9db15d3377c37de0804014865e74891d5be09c977e34efdc00ebe17424ed86508532102437f562bff3ea54617be04

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
1.3MB

MD5
e9e3d4d7654f283312b67efcea2b2486

SHA1
a9d7ed80a9f318d7b9ee32de9c4ca7ad0b235466

SHA256
8139ba05f239f6f63db544ba15be31db82eefeb5934d3ca02e0b736d32242b79

SHA512
4aebad18b357a5eeef6fc8fd995ba597fcc7808ac143284ac54c562484acfb3907a5eaf4373abebe1ab3d99f8d51750f25d2afabd81f4deb24180a163ad7d2fa

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

Filesize
2.2MB

MD5
5a24569f427c85b88ab063d3b6630f95

SHA1
14e6125a48ab6afa4791b7d7123a8888401d1a5b

SHA256
30a962fa776cd43f45f9ab0823ad7799e5a05598d333dd4d3b16dfc31f0ceccd

SHA512
10a3265ccad46dc57e237e3525a8647d0d447fd438108e9e1840e012c1a0a271bb90a9a41f2c8c75662d5e64212453dcf095ab433fb2c9a187f2d9c689e72e1c

Download Submit
memory/1240-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1240-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4020-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4636-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4636-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4636-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4636-44-0x00000000010E0000-0x0000000002995000-memory.dmp

Filesize
24.7MB

Download
memory/4636-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4636-43-0x0000000074ED0000-0x0000000074F68000-memory.dmp

Filesize
608KB

Download
memory/4636-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4636-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4636-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4636-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4636-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4636-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4636-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4636-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4636-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4636-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download