73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
300s
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 07:22

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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
3208	b2e.exe
1928	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1928	cpuminer-sse2.exe
1928	cpuminer-sse2.exe
1928	cpuminer-sse2.exe
1928	cpuminer-sse2.exe
1928	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4608-4-0x0000000000400000-0x000000000393A000-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 4608 wrote to memory of 3208	4608	batexe.exe	74
PID 4608 wrote to memory of 3208	4608	batexe.exe	74
PID 4608 wrote to memory of 3208	4608	batexe.exe	74
PID 3208 wrote to memory of 512	3208	b2e.exe	76
PID 3208 wrote to memory of 512	3208	b2e.exe	76
PID 3208 wrote to memory of 512	3208	b2e.exe	76
PID 512 wrote to memory of 1928	512	cmd.exe	78
PID 512 wrote to memory of 1928	512	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:4608
- C:\Users\Admin\AppData\Local\Temp\8D5B.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8D5B.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8D5B.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:3208
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8F4F.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:512
  - - 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:1928

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\8D5B.tmp\b2e.exe

Filesize
1.2MB

MD5
7b0f4c1d8506067fce25df5de733bcb7

SHA1
053b618c2012c6895e9709696395951acf15c165

SHA256
dd9a3eca69a73709146ebc228a433e0fef43ab6c12c2280725d798c7b494216a

SHA512
45ca44d04c436082073475b0bec73cdd3df1f0cc670d9a3d5dd77fc2b3b60ef870af5912d27269107222850b07234060eefb2d272b96de1367ff544cac506618

Download Submit
C:\Users\Admin\AppData\Local\Temp\8D5B.tmp\b2e.exe

Filesize
13.9MB

MD5
8abc0bef1f1e7a8022f1f27995564d85

SHA1
a40d29a586526d35a5ec4998b87952da05b65bac

SHA256
39888c7d987ec1b11f793ccdd28c81cdbd40bdf1ac4b3f2ca734f2bf01a14331

SHA512
06b462b91fc93cce5b0b5e8efcf5cd5ec923d77ed22488fbd79eb1af8a6b66c0839067e21b9d5f0d1a59a24c2ef1caf9898cea7a65f23dbd08a498a532a0f132

Download Submit
C:\Users\Admin\AppData\Local\Temp\8F4F.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
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

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

Filesize
8.2MB

MD5
1b45107cac164b2c72f6be5ce0792a86

SHA1
10d625df026491bc06b02949d6d94dd53c52d319

SHA256
6e53a363134e50bfc3219767437500f033b30e967280d4d7f8cf47bfad715491

SHA512
a6458c4a338c21fabd43f6c914ae5ee50bc62f19e0cf58af6b115975d535bc3818e1c8770f343500a8bba43f519189cd1cac3572b99560c0923098c2f41ba27d

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\libstdc++-6.dll

Filesize
15.3MB

MD5
bb20036404d412785a7a716b9ff35661

SHA1
4794b991fdb17b019aaf753e90fa82877986d4e3

SHA256
9588942967a2b5836a1ff425d99c1440769b40b43c449f734f76b370454714f1

SHA512
ccde78f51af6a0f7abb86a1e98883e721304c20fb81e68e4b2be589e0221d23eb7a92784ef1123296b828237ae5de059d4053027fdbe60dc1b55b88de66946e9

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

Filesize
13.4MB

MD5
db557fc636fb226923783cc27e6bb654

SHA1
0b5ee37263b5c13d7fbd9bdc7ac174bffaa915c1

SHA256
de90eb5e82f2dc1f21722a11f554ef79ec30faf59f5cece9e8fc340ce4858240

SHA512
b039885e23d88e4b1dc109544e28d6e3bee332346e1cbdd380f806d1e0f8b9c447719a10e99b615bd509d485ed41df04e1a6589dc9bd4e26030ddba0aaecebf4

Download Submit
memory/1928-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1928-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1928-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1928-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1928-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1928-43-0x00000000550B0000-0x0000000055148000-memory.dmp

Filesize
608KB

Download
memory/1928-44-0x0000000001050000-0x0000000002905000-memory.dmp

Filesize
24.7MB

Download
memory/1928-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1928-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1928-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1928-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1928-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1928-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1928-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1928-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3208-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3208-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4608-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download