73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
max time network
300s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
22/02/2024, 03:59

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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
4952	b2e.exe
3848	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3848	cpuminer-sse2.exe
3848	cpuminer-sse2.exe
3848	cpuminer-sse2.exe
3848	cpuminer-sse2.exe
3848	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2304-5-0x0000000000400000-0x000000000393A000-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 2304 wrote to memory of 4952	2304	batexe.exe	74
PID 2304 wrote to memory of 4952	2304	batexe.exe	74
PID 2304 wrote to memory of 4952	2304	batexe.exe	74
PID 4952 wrote to memory of 2776	4952	b2e.exe	75
PID 4952 wrote to memory of 2776	4952	b2e.exe	75
PID 4952 wrote to memory of 2776	4952	b2e.exe	75
PID 2776 wrote to memory of 3848	2776	cmd.exe	78
PID 2776 wrote to memory of 3848	2776	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:2304
- C:\Users\Admin\AppData\Local\Temp\89E1.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\89E1.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\89E1.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:4952
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8B96.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2776
  - - 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:3848

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\89E1.tmp\b2e.exe

Filesize
320KB

MD5
88364d3a1722b83013616c5ae51fd6d7

SHA1
d6727613607431104a14f30001a7e1af8e2bf026

SHA256
70ea586c99e68feae0fd4579a9d93d4e0fd46b623f35b3cdbcf4fca2f6e3e6d4

SHA512
ba46a975471bad7f3aa1f333317fb152eab233934af7d648454cfbf2bd852d7745906fc407c5a4a6c60d78368486587f21aeaf9f12dbdf684de818c8e06a9e43

Download Submit
C:\Users\Admin\AppData\Local\Temp\89E1.tmp\b2e.exe

Filesize
64KB

MD5
3e63d8d147aec3c4d5e3e08d79395350

SHA1
633cc399218c2915b895a83bda89bce9f37e39dc

SHA256
39cc053a2dc8074a4530b02f00bd8bb723e52196224d978d9aad3b0f75740320

SHA512
545308057e5ea490e55f5bdd7fbec20fd954f847cae6f60460a4b135bf76c4c8502d922768d8e3a96d29d4c3a513b91ebc40bcaf5395de2c50d4368fd46fc536

Download Submit
C:\Users\Admin\AppData\Local\Temp\8B96.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\libstdc++-6.dll

Filesize
3.6MB

MD5
84e7c12927c8672e8b9db60db2113449

SHA1
0e3d0591089f0efdeb1b1c6d8409ad777e5d79f1

SHA256
02350239b5db2692d9af34d2d6eab942cb22d78a29f195cc009a97d6e4cf21a1

SHA512
9e675324820dd71c1738a9a51e9dbbc50173396372acd6ac2b8a978cd737bdb1e6c220a538fcf19dd84c733971978998c6146dd5269272ae119b3f6a6ac6449f

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
3.7MB

MD5
e94ca951f5f285130a3a501f2865c5c7

SHA1
db1ec1ed90df82b2b6a75d25620fcf797eef0522

SHA256
fc16e963342c01bceac4c0efe4f11c58a4e180e01a44671848a543f366ca6bce

SHA512
c6ac72b57b70be6efb1218aa6c8bc48cc23637337d1661a8c120194ce2ea2ed8604347b2d7d112118515fa720c938569d1f250b079b1264a28df07dc0fa6b1cf

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

Filesize
4.6MB

MD5
b6cb14d62601bf7e370b9e6e5adc8798

SHA1
86e92852e1547880dddeac939bdb65bfbd7c06c0

SHA256
a5d6afd8b29bd37e0bd813edcb51e2bbe34582292c0e17c10a1bdbf8a995bdc1

SHA512
8d85bcdcd8fbad03b06b56a7e4d295c03b8be1728b576aa3a140ea78f6a3aacde247f1867104a3fafe171710252f1bfecd0c4bad6c6b6ada82e762115bab1e8a

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2304-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3848-42-0x000000006E140000-0x000000006E1D8000-memory.dmp

Filesize
608KB

Download
memory/3848-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3848-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3848-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3848-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3848-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/3848-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3848-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3848-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3848-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3848-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3848-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3848-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4952-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4952-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download