73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
max time network
298s
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, 10:49

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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
2108	b2e.exe
4420	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4420	cpuminer-sse2.exe
4420	cpuminer-sse2.exe
4420	cpuminer-sse2.exe
4420	cpuminer-sse2.exe
4420	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2244-6-0x0000000000400000-0x000000000393A000-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 2244 wrote to memory of 2108	2244	batexe.exe	75
PID 2244 wrote to memory of 2108	2244	batexe.exe	75
PID 2244 wrote to memory of 2108	2244	batexe.exe	75
PID 2108 wrote to memory of 4324	2108	b2e.exe	76
PID 2108 wrote to memory of 4324	2108	b2e.exe	76
PID 2108 wrote to memory of 4324	2108	b2e.exe	76
PID 4324 wrote to memory of 4420	4324	cmd.exe	79
PID 4324 wrote to memory of 4420	4324	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:2244
- C:\Users\Admin\AppData\Local\Temp\94BE.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\94BE.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\94BE.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:2108
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9673.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4324
  - - 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:4420

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\94BE.tmp\b2e.exe

Filesize
6.1MB

MD5
12689c6eb8285d78d3d9bf37ba3e1cdf

SHA1
b3d8ad5ed28e003cbbf00053ea63612baa96ee33

SHA256
fccbe60c5e3d598f7ae6b29817a5b17f91141363bdf6313596afc0f9240bb374

SHA512
96796e69aa6c20485efc6e7df75073909097e277aa9f5c298356ffe2e101ce65053d984e22baed3c008f70c7b1c8379444839ebf2a222d9cfa075ba3154a365d

Download Submit
C:\Users\Admin\AppData\Local\Temp\94BE.tmp\b2e.exe

Filesize
5.8MB

MD5
3e1013b404e151ba6db0005cccb8c0a9

SHA1
391fd36ed9cf6d51faabae5ae796d497b222567b

SHA256
021a7a4bdaab52398a87cd5a0e332386ea2e0411a8fe00d777ef87b8f9cdd2ac

SHA512
27fb3f1c5530b91bb903c4768861f67220ad44a44224c8bc0cd0601f6873afcc94586514be4aeb5f8763c0ecbfa7b365a9f55eeccf0968df907c1d5a7b47bc59

Download Submit
C:\Users\Admin\AppData\Local\Temp\9673.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
4.2MB

MD5
911f4bf949aa891b94a71a1fc6c49974

SHA1
1c04242f8a5ff76e924830243651d5724c0e1674

SHA256
c8f5f57839528f3b2189512449bb428ec7a9c73ad16afc0f76088a817406d071

SHA512
ae6eb57d944ba91812a442c9cfe7e36ff291b1a688e61ecd11d86a8dab838c2d0948b8f1e4ebbe28bb74133f7171dc39914f58e029c98d41b315dbcde29fbeda

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
9.3MB

MD5
6535f9e65c335bfc3b6a6f72a03a5c22

SHA1
4dc9f3df014842fa9459ef876e3ee7e5025cdc68

SHA256
053203f6c8665c3c4ba8900bb917a7c871982b0ffe2d7acc8c136f4c887b2b07

SHA512
d3dd85d1d0827b81e610c139d07347ff5e8ba84c1b82233543dd742c6e72a1792d7077afdc40d520f122d461d45c0fd5100a82308c26f4734cf73a6a5c31ae7b

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

Filesize
7.6MB

MD5
94a47c02274405af9f803d227d16121c

SHA1
828cd353c9d5cf6667661d17f6efb7a5d80cdd0d

SHA256
cf69dd4fe0119bf36834aa06806e06b0e0fb37bf2df0e130d34f740d702fea79

SHA512
a252883173cd5f806dd292744d9bf6469a564689fcd89c519afce045b2f3842211cc0639f81f008e2155a1a0944f188996cc77a686a034e2f976a9f8d37edaa1

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2108-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2108-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2244-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4420-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4420-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4420-44-0x0000000000F20000-0x00000000027D5000-memory.dmp

Filesize
24.7MB

Download
memory/4420-42-0x0000000074ED0000-0x0000000074F68000-memory.dmp

Filesize
608KB

Download
memory/4420-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4420-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4420-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4420-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4420-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4420-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4420-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4420-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4420-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4420-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4420-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4420-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download