73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
300s
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 13:46

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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
2876	b2e.exe
1536	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1536	cpuminer-sse2.exe
1536	cpuminer-sse2.exe
1536	cpuminer-sse2.exe
1536	cpuminer-sse2.exe
1536	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4128-5-0x0000000000400000-0x000000000393A000-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 4128 wrote to memory of 2876	4128	batexe.exe	74
PID 4128 wrote to memory of 2876	4128	batexe.exe	74
PID 4128 wrote to memory of 2876	4128	batexe.exe	74
PID 2876 wrote to memory of 4436	2876	b2e.exe	75
PID 2876 wrote to memory of 4436	2876	b2e.exe	75
PID 2876 wrote to memory of 4436	2876	b2e.exe	75
PID 4436 wrote to memory of 1536	4436	cmd.exe	78
PID 4436 wrote to memory of 1536	4436	cmd.exe	78

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4128
- C:\Users\Admin\AppData\Local\Temp\8EE2.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8EE2.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8EE2.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:2876
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9088.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4436
  - - 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:1536

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\8EE2.tmp\b2e.exe

Filesize
748KB

MD5
7fcdd8b07dee7d9398c1a513df5b2348

SHA1
18f6eba3bd4c638b25ccede6acf1242c57e14221

SHA256
9e8f4405ad02cda077fcfb732fe8f5e552a0067b8a2851dd6fee572f7799431e

SHA512
ebf99617fdc82caf7255967e27ad31e4d24d4e0c2fb1d1e6e42d877ad8287c84d94295a9f100e752454d57723378cc196051ba9c416798fc655af58dd2154d4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\8EE2.tmp\b2e.exe

Filesize
4.6MB

MD5
0858c8fc2995d9326bc410d123639617

SHA1
c29f4c01db255e277cd2c0ecf6d860df6d55986d

SHA256
391cc8d3df30f853c476ad448e0e9c5747de132674f2ce95c380fd6a4e4abe2a

SHA512
b5661da14fde3e4bd1b72e982ea5052271860796790b8d6a065c89535b9848c20260d371cbb2c7bf71e4fab59ddb09be33f1ae303aa9429d2ae7c25c1c224954

Download Submit
C:\Users\Admin\AppData\Local\Temp\9088.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
3.3MB

MD5
9b9488582c4a08b32674b01117d1f4d7

SHA1
c90f184ceb0f40a38430b1b05135afc56fa8bab2

SHA256
e4c7d92cc291879a070dca625ab51a3a3c386f9e5fc60c05a80e9da428395f18

SHA512
b40ba8c2c357c617d044feee4093fdcafb155cd5ae3b74b3a62e3b67654c66112a6b7925028897408815bc633f87b42db14d58585605cb9f54d8a1514d6f3e87

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
3.9MB

MD5
e1ae08c9434324c4a5544282a11312b0

SHA1
e1c3c8ca3012518e190826f5cdb09d916586bd75

SHA256
9b7e3daee05b8286a6f1ccb0752ba6ded69bd79e97310feea9ad7f1a935e2655

SHA512
8e3d7a46442243bcf96a061212c11c0f931d9b1c6b9bc9570f05ebeb9db5489279d7f20c69dbbf80ab04b7ad06780569323042ac94a59fda4c22761f6a409399

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

Filesize
3.9MB

MD5
15095241c45b8f4c99e32855e0701396

SHA1
aa0be1624f9b3f27c99033e497fd12e505926214

SHA256
01129d13ffaf3ae54800b125e9c8c77c633b1bd6012db7bc902edae2fc79d4be

SHA512
bc012c60a86994940addd1b4df25d4e541ff07cec1495390205365a2f007aef8316187f9fb8bcf6ec3d51a2e81024fdfc76e424b2fb2a3ff86d88909b47e7641

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1536-42-0x000000006D5C0000-0x000000006D658000-memory.dmp

Filesize
608KB

Download
memory/1536-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1536-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1536-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1536-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1536-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1536-44-0x0000000000F50000-0x0000000002805000-memory.dmp

Filesize
24.7MB

Download
memory/1536-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1536-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1536-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1536-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1536-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1536-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1536-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1536-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1536-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2876-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2876-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4128-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download