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
14/02/2024, 08:19

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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
1300	b2e.exe
4620	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4620	cpuminer-sse2.exe
4620	cpuminer-sse2.exe
4620	cpuminer-sse2.exe
4620	cpuminer-sse2.exe
4620	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3936-5-0x0000000000400000-0x000000000393A000-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 3936 wrote to memory of 1300	3936	batexe.exe	75
PID 3936 wrote to memory of 1300	3936	batexe.exe	75
PID 3936 wrote to memory of 1300	3936	batexe.exe	75
PID 1300 wrote to memory of 4692	1300	b2e.exe	76
PID 1300 wrote to memory of 4692	1300	b2e.exe	76
PID 1300 wrote to memory of 4692	1300	b2e.exe	76
PID 4692 wrote to memory of 4620	4692	cmd.exe	79
PID 4692 wrote to memory of 4620	4692	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:3936
- C:\Users\Admin\AppData\Local\Temp\A2C8.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\A2C8.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\A2C8.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:1300
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\A48D.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4692
  - - 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:4620

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\A2C8.tmp\b2e.exe

Filesize
8.4MB

MD5
ba4fbe613508bfe8ac6238466ba6b2c9

SHA1
877f1b18a118f5d5c6450c721e9843c4ae5fea31

SHA256
f6fdb67a67aafccbeeb8742f0c7e8cf003662871a07d7fd982bdf82a045eba03

SHA512
323bc06a632d2bd64214907360208c903760dd6924821ffc434385d667cd1618dd75343d44335d66cdf9ebd5f115c2350a0b2e01412d35ef5355a66b1b4ec37d

Download Submit
C:\Users\Admin\AppData\Local\Temp\A2C8.tmp\b2e.exe

Filesize
8.4MB

MD5
f02adcd83a361feaed484f21fa1ef944

SHA1
2fccb26dfa4de5867178e55b0d6a38f85bd13b37

SHA256
d7c1740efce78e3bd390a79d071bd90bfea204cb003feecde9b142217e9d8695

SHA512
462066e9a5c3fac8d20e1b292c4691381f5507388348ca36d9aa9b1b43445baf812e2885e48cfe57bb0b505e9c114e7e378e6bdd447e7af13e972ee5f0366b5f

Download Submit
C:\Users\Admin\AppData\Local\Temp\A48D.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
5.7MB

MD5
2fbc09bfbf8abbe15b3ec7760b4cff4d

SHA1
4d86b1ecc3dcd32ffae63653cc7571b6b3605f4d

SHA256
1ea0301e01a027019c26817b6706e1e9c87a80ab669a6a8afc2ed5c11e700c2d

SHA512
a2b0cdabfb02f8d9f1b40b710dd895383e5536bf0c79f62ac2875eee25306ce8dd057e6c48f0856cb92f5798fae4254dc722d954e825908577c8dad528219285

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

Filesize
4.6MB

MD5
b150d75e883d5e7c526bb6c73d1c8657

SHA1
728c17d5acc211063b14271fd20ce39b555ac83d

SHA256
4bcee567f4bbe614ceff22771ae9019093e452a08740fddfd1010e56615bd2db

SHA512
a2849851ec0332fec57231f21f5cc3f47a5811a192f7fd82224aab9e8a2b65b1916d47be8ce4adceebc68737f0811cf66f56650b5fb2bb16675c7251cff86236

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

Filesize
5.1MB

MD5
432ad73d9d46c21abea457d6c09d6eb6

SHA1
146957968039ed196d58227ec74613d897dcc81a

SHA256
a9c136568abc3ebfc4f29bfa200ad0ec5f80ebe32fa866e2f66f7c29d9d4c17f

SHA512
b4fa4f8da7bee3f8e32d3b7816ac0d79187b4bffcdf353d445450b0e1c8237ded0664f6d80e73b52ba1b03023a7db0ad78274eed9eacc9f51d8563bac6068259

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1300-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1300-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3936-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4620-42-0x000000005FC70000-0x000000005FD08000-memory.dmp

Filesize
608KB

Download
memory/4620-63-0x000000005FC70000-0x000000005FD08000-memory.dmp

Filesize
608KB

Download
memory/4620-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4620-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/4620-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4620-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4620-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4620-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4620-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4620-69-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4620-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4620-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4620-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4620-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4620-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4620-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download