73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
303s
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 14:20

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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
760	b2e.exe
4580	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4580	cpuminer-sse2.exe
4580	cpuminer-sse2.exe
4580	cpuminer-sse2.exe
4580	cpuminer-sse2.exe
4580	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/5092-6-0x0000000000400000-0x000000000393A000-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 5092 wrote to memory of 760	5092	batexe.exe	74
PID 5092 wrote to memory of 760	5092	batexe.exe	74
PID 5092 wrote to memory of 760	5092	batexe.exe	74
PID 760 wrote to memory of 4628	760	b2e.exe	75
PID 760 wrote to memory of 4628	760	b2e.exe	75
PID 760 wrote to memory of 4628	760	b2e.exe	75
PID 4628 wrote to memory of 4580	4628	cmd.exe	78
PID 4628 wrote to memory of 4580	4628	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:5092
- C:\Users\Admin\AppData\Local\Temp\8760.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8760.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8760.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:760
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8983.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4628
  - - 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:4580

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\8760.tmp\b2e.exe

Filesize
3.5MB

MD5
70e7e1875e8f4ec7b64fc4fccf2e8bc8

SHA1
94d5f094636105721308f6eeb5fdab856605dfdd

SHA256
120368a73380b6697b3aef5e01e2aba24b7d4e349bf2304140c5ef8f67cb024d

SHA512
0787baebeaf584f7b6ebaaa48334e22c9a4937dedf573fcb4702995c89756c483863ce92d4c88ba1d6a0374dae9c09f92e570eb153cc473d59a50f4822664e49

Download Submit
C:\Users\Admin\AppData\Local\Temp\8760.tmp\b2e.exe

Filesize
3.0MB

MD5
42e52d2aa6e0aa4e0a6cb435f3e72e32

SHA1
904d518be9644114eda76add80ccf585ee238731

SHA256
4f8c614822cb12e7405d484d8ef1c5796fe1002f4e20867e761623d6108bd5ed

SHA512
c5bdbe9278322b817f6744ed51e93d2a5a32b7285a5d8506bd7d6578fd432f43caec54c5ae81074a06b8c2b4a36ad5ee4bb6e817698252ec8df1406ee68916e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\8983.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
6.0MB

MD5
1da4827c6fabf5ead88bc59cad642e43

SHA1
cc84edc6d65d677d3d1b5caa87a6ebb29a32d054

SHA256
fd34bbadcffdf4e42ad55d96f6a98bafd5f8205d9b7fc1298d1a951d64d96b17

SHA512
b5ebcbf8dbc2a4d0402b74f4cf1adb86ea26bc48a44cce9fc2434af2ac7e55a6a30ccc18fa523a4828b7850f7dbb1f8ca236e5a017943f58ba61d5087ad4f66d

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

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
11.1MB

MD5
8f39111585c653912efcd9433f732362

SHA1
cbfc9057a9bd0a7c33945412fa4d54c0165df3e5

SHA256
53ebe6c68529a1ff84599eb119d7d30fd3130ad1fae9e9f0bdaccec43af2fce5

SHA512
fec7a8afb8183c33ac5a7429be6fd5a0025d7c6bb7ceaffb77737c1057b89bbe22599f6660c0cc3d37b36d173d993edd969bf50d3dec8a78a769e8acad6c6866

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

Filesize
9.1MB

MD5
7ee80214b1c698c29267bf879b34bba1

SHA1
e9d7e34d83295a5f5b36003b2ceed52d2898451c

SHA256
0c8fd2da139fa02291234eaea74ea166e3db36cacffe787d4d9d34626fd4c106

SHA512
083b7fc71b41bdd5a9ec837d75837675bf0351843bade25033ac0b44b1636c267b071d6e9fc802c553db69690a624c56948ac5f35a2034a408975537fc178f8a

Download Submit
memory/760-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/760-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4580-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4580-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4580-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4580-43-0x000000006B1D0000-0x000000006B268000-memory.dmp

Filesize
608KB

Download
memory/4580-44-0x0000000001100000-0x00000000029B5000-memory.dmp

Filesize
24.7MB

Download
memory/4580-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4580-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4580-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4580-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4580-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4580-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4580-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4580-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4580-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5092-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download