73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
298s
max time network
303s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
24-02-2024 14:37

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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
2432	b2e.exe
5004	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
5004	cpuminer-sse2.exe
5004	cpuminer-sse2.exe
5004	cpuminer-sse2.exe
5004	cpuminer-sse2.exe
5004	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1404-4-0x0000000000400000-0x000000000393A000-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 1404 wrote to memory of 2432	1404	batexe.exe	73
PID 1404 wrote to memory of 2432	1404	batexe.exe	73
PID 1404 wrote to memory of 2432	1404	batexe.exe	73
PID 2432 wrote to memory of 1668	2432	b2e.exe	74
PID 2432 wrote to memory of 1668	2432	b2e.exe	74
PID 2432 wrote to memory of 1668	2432	b2e.exe	74
PID 1668 wrote to memory of 5004	1668	cmd.exe	77
PID 1668 wrote to memory of 5004	1668	cmd.exe	77

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1404
- C:\Users\Admin\AppData\Local\Temp\D8FB.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\D8FB.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\D8FB.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:2432
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DC66.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1668
  - - 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:5004

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\D8FB.tmp\b2e.exe

Filesize
9.9MB

MD5
09715fdaaaf8c2663ac65d82cbe69a3a

SHA1
6b845cf1001ae367dd94ca6b13324fc8362cbfbf

SHA256
884180ae768c0de75e4d74b262a48fa3be23432f848bdffdb1bc41d66dbea15c

SHA512
671946fae2a387b95824a81324730473418163a3b2b086db78c3be223b1bc169856ce814b1ac1a2957aa33d797ca8dc0965578f44aa8100069e6d979282acc35

Download Submit
C:\Users\Admin\AppData\Local\Temp\D8FB.tmp\b2e.exe

Filesize
12.0MB

MD5
86a77b50cf5abb0234ded186794f77b6

SHA1
79ad937cfed5214b2ffa935c41e8717c4f1cf929

SHA256
434944733d8e4800ef68f02ae9b23a06a8393825c1bf22a81d27e8c4189c0adb

SHA512
9b34fef0da63ff71bbe84a9a3e4decc583872d3bcf60ba6ac662c8e3f2edc0c53c8e94145e6096e7606ac3c5f8588b0ee31201ec6d234eb43ad892e764696c71

Download Submit
C:\Users\Admin\AppData\Local\Temp\DC66.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
1.4MB

MD5
2ef40d5c3b964c66392be6a3db51bf84

SHA1
391a644aa11504129db4b42007b054f2c3bf5414

SHA256
0ef835e2576ba8fbfcd733a66284579607cc8dafdc2b26fe3c0091dc66d8e707

SHA512
0b568c8b5ef88af49c00801cd5eaf3e7262367d2a3356f1a685d36e3c1dff63babb5dd049d5a1e7fbe214cab35e6f271d0a105e073a1fb2c281bb5c0279b7107

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

Filesize
1.4MB

MD5
2af1ce05b5a790b134eefd1efd88dab7

SHA1
b078e6f3cf7ee356e0d9b671c6d33f3a6e777524

SHA256
ce4cb4f4e60a89cbf413622a7f96f879ee15256d4ed5872ccbc3f2b366369fe3

SHA512
bc08666b4c96fb98b1e1a9db0ec10c5bbcddb82efc4829d65057f765a37a24f6e28076300dcc3f07c0b547b563593232f90d959607ee6a5faca26b27364cf695

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
1.8MB

MD5
0284b7f8a56d440e5772def0420d4e9d

SHA1
d7b77cbfa56efb3fcdef518f0e5d240b08130df7

SHA256
8c5d87792cd5702ac624ba9bea35b85bdc70979ea59914501fbbbcbd2b7cb1e6

SHA512
494d30dc9a7a0ae3a3004ec4938892ce81c6b930daa43bf5ac799d7c18657ce51e52556a69caf6be115fcb36cde621e9dcfbab6800f30f95cd7f5b0673d63a93

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
1.3MB

MD5
e19b7d9535a08779593231edbb3cb66f

SHA1
3f48d27d244367d5601cbf88d46e813dc38b6d08

SHA256
d49d847e8df21f268be58edca3d253ddc7a14913f0956aec68aaf3a52063050b

SHA512
cde9bdcdeb43e92d363d4b755401d497ca8582fddd302637271b41ac6e2030cd51f7c6c6efbe3643f5e63bfe0eaa4aa594a643fdbd1c1935b02a39d47125d329

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

Filesize
1.2MB

MD5
bd70a3cab70c277ccdcccd474cf2d745

SHA1
a45abbd5114322f1ccad94222d60c5c887219396

SHA256
76cd32be3e16eae9c1cafede92b0a56eae76347a9b3c610b5c3d94b945c504a0

SHA512
b4d4a5b9ec2052d16d21772a8c78eb85fdd77840dcca3e565b1d3bcf43c47e3cacc6dd4fe8b4c1f8a5f901163789fd92392eed13e85cbc499c6788b4a8f094c2

Download Submit
memory/1404-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2432-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2432-55-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/5004-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/5004-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/5004-43-0x0000000072FF0000-0x0000000073088000-memory.dmp

Filesize
608KB

Download
memory/5004-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/5004-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5004-50-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5004-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5004-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5004-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5004-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5004-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5004-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5004-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download