73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
300s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
11/02/2024, 11:53

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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
5048	b2e.exe
1104	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1104	cpuminer-sse2.exe
1104	cpuminer-sse2.exe
1104	cpuminer-sse2.exe
1104	cpuminer-sse2.exe
1104	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2108-5-0x0000000000400000-0x000000000393A000-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 2108 wrote to memory of 5048	2108	batexe.exe	75
PID 2108 wrote to memory of 5048	2108	batexe.exe	75
PID 2108 wrote to memory of 5048	2108	batexe.exe	75
PID 5048 wrote to memory of 4348	5048	b2e.exe	76
PID 5048 wrote to memory of 4348	5048	b2e.exe	76
PID 5048 wrote to memory of 4348	5048	b2e.exe	76
PID 4348 wrote to memory of 1104	4348	cmd.exe	79
PID 4348 wrote to memory of 1104	4348	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:2108
- C:\Users\Admin\AppData\Local\Temp\93B4.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\93B4.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\93B4.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:5048
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\956A.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4348
  - - 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:1104

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\93B4.tmp\b2e.exe

Filesize
11.7MB

MD5
f1124216db5ee64e37c65e764883ab5c

SHA1
9868ce008a2cbf76ae77bcd0259e906bdc4c613a

SHA256
a038627a5654a005cf36166b0dd8cfbb35e673418190f05f3b9a4baff8b413f6

SHA512
174cc32b40d9028c40138af70865de30f9908578b5560a7b482ac654af771125d23d4548443161707c7655856f9ba1696179712e3a11cb37d5206ca0cd7ed0db

Download Submit
C:\Users\Admin\AppData\Local\Temp\93B4.tmp\b2e.exe

Filesize
12.8MB

MD5
644d232b27bfb5355dee507f18d5fd29

SHA1
a8afb28062ae23476dfc6805e5fb254a1f6719fd

SHA256
08e402f99908971cc3b7c0e34b32d003baa7defca436da2dfda0fa27afafcc39

SHA512
798ea5273e096eb76e081b557f5a4323e0d1baec908e635650aec1a2171edce122be88aebc8d42353e6348af8b58d5b308ef457600f924e91b5a0fd450a4b763

Download Submit
C:\Users\Admin\AppData\Local\Temp\956A.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\libcurl-4.dll

Filesize
836KB

MD5
aeab40ed9a8e627ea7cefc1f5cf9bf7a

SHA1
5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

SHA256
218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

SHA512
c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

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
8.7MB

MD5
154216d90ce7c09faff2a0b60908f216

SHA1
5c1ed59e0827eed806c8a382a194ba73274ba692

SHA256
b458a24ba6906ca1fc5cc695b0e5690f9e97d9acd30e12ce44eee14e07d3d116

SHA512
dfd869af4df757aa6b8218391ce110a5dc052fa1988094fbdf1824da5869251b3f20fd1cd60f936d095cea8a49e5cb1ca3d702ab994809663ebdb04e61126e7e

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\libstdc++-6.dll

Filesize
10.5MB

MD5
cebf83e672268144a2cd9266feb27422

SHA1
e1e1c0f473186fa34f42594d0a621c40039d84fe

SHA256
c5bc7212b8f4a7206f4f7c2cfe81f1b7d20213643feb6bf0bfded9c4e4b21269

SHA512
9859b4429433538e4b9f127e541147140c68f00ba9e735f59fce2deb3e2c3e9692dd3fa5c976468f35d9b481f2acd3aebaa4aff938d379b3eb5323b1bda3581e

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

Filesize
9.7MB

MD5
4402a102db09db28f6fa5e252c1cc08d

SHA1
6edfe8a912c0ec8c72be5eede97f7ccc81735907

SHA256
b2c3206afca21f48feb8cc281b9de32dc160fe6b6571a971f93601cefa486743

SHA512
9dae93cac1375ac5348b50ab27addd1edf91a86989dad327a9e8cc22ac1f45ff001a1c93c85d5a9ecc3eefcddab280e88cc4b6ce83cd0814c6dee43d22043b97

Download Submit
memory/1104-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/1104-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1104-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1104-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1104-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1104-43-0x000000006DD80000-0x000000006DE18000-memory.dmp

Filesize
608KB

Download
memory/1104-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1104-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1104-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1104-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1104-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1104-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1104-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1104-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1104-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1104-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2108-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/5048-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/5048-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download