73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
295s
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, 09:12

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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
3444	b2e.exe
428	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
428	cpuminer-sse2.exe
428	cpuminer-sse2.exe
428	cpuminer-sse2.exe
428	cpuminer-sse2.exe
428	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4020-6-0x0000000000400000-0x000000000393A000-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 3444	4020	batexe.exe	75
PID 4020 wrote to memory of 3444	4020	batexe.exe	75
PID 4020 wrote to memory of 3444	4020	batexe.exe	75
PID 3444 wrote to memory of 3400	3444	b2e.exe	76
PID 3444 wrote to memory of 3400	3444	b2e.exe	76
PID 3444 wrote to memory of 3400	3444	b2e.exe	76
PID 3400 wrote to memory of 428	3400	cmd.exe	79
PID 3400 wrote to memory of 428	3400	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\94DD.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\94DD.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\94DD.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:3444
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\96A2.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3400
  - - 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:428

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\94DD.tmp\b2e.exe

Filesize
20.4MB

MD5
77ba81cd89087f326b747fbd27b0924c

SHA1
bb8e5a4129385743f5cfdbfbf84fe6e1ade80116

SHA256
52a511650bc8cb511cc73e8a6e67c279a58897774be36eabdc00a3ed46d5bbe0

SHA512
2241e0e0e80d725c6a2b6ca35fb0e9eac2895143a10488203db0e82b91cb4444fe2edcc4d010a8fdc069c5b21d560e327064bc04e661e3df184b43db5ff975d2

Download Submit
C:\Users\Admin\AppData\Local\Temp\94DD.tmp\b2e.exe

Filesize
10.3MB

MD5
4f65746c5155649200369e0bb0d744a4

SHA1
6c845da6c8d584aacc6f83bb97fd7110e22450fb

SHA256
110537d50246e0bba7ffd6e8df34c7fdf3f3a9b8ada51be535b1502df4d20efb

SHA512
44af6588ab1eca0ada4584dc51f5604f9656097bd52ba59bfde5604c3a57735e9dba28a0943564c2069482a764f264dfcb162b90c21c6e2fa267144d099dadca

Download Submit
C:\Users\Admin\AppData\Local\Temp\96A2.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\libstdc++-6.dll

Filesize
1.8MB

MD5
1e63aeff640440bf986d13d8b0c48810

SHA1
091da435ab5ef9374e6f7f2e514e0ce36acb24d7

SHA256
1635faa381d14b7b59a378cf8cd31667cb0ad8ee1ef10028148fb9ad06e5afc2

SHA512
fbc59b1d7de68be3dcd528702bbb5a2a4c9afa718d90c25805c971f4163ad0c4930e55be86bab72a3f1ca2644d9d6cf92dbbb9e85f767c5fa887530675826a89

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\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
2.4MB

MD5
0e082edf0ae64005a62f8720b1578d08

SHA1
ac302cae9180f6d53e39d7e110cc6e6990966963

SHA256
c3a06b2bd55646433aaaf90b94c27c9b1cd4d30fa4b85afed3dd2fb834b1dbdd

SHA512
a13a727b822d5d22abd95942bf760cb627b9ec415110273f874556af546d8fa006a64df2e5266dbba1c64f29c0ecc6a0b55d95b002d4ec0df247bd083027c7da

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

Filesize
2.3MB

MD5
260a31c87da8229bd4423a62f74a5386

SHA1
0d1853267cde9837e9b8b40666f217ae87e5509d

SHA256
9b3ef50f9bfed7c79641978c0e9379949dfb30a76c2f3cedb78461066a439bc2

SHA512
015386dfed23fd44bb0e89966cfcd1f14a4b64e580ebf10c1f2916816ea2421b9ac1643712153d9652821abe5da770d83d372e7f2a9510dc6cc50b497afda708

Download Submit
memory/428-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/428-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/428-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-43-0x0000000074ED0000-0x0000000074F68000-memory.dmp

Filesize
608KB

Download
memory/428-44-0x0000000000E10000-0x00000000026C5000-memory.dmp

Filesize
24.7MB

Download
memory/428-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3444-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3444-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4020-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download