73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
296s
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, 11:42

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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
4316	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4316	cpuminer-sse2.exe
4316	cpuminer-sse2.exe
4316	cpuminer-sse2.exe
4316	cpuminer-sse2.exe
4316	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4608-5-0x0000000000400000-0x000000000393A000-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 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	75
PID 3208 wrote to memory of 512	3208	b2e.exe	75
PID 3208 wrote to memory of 512	3208	b2e.exe	75
PID 512 wrote to memory of 4316	512	cmd.exe	78
PID 512 wrote to memory of 4316	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\8D6B.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8D6B.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8D6B.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\8F5F.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:4316

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\8D6B.tmp\b2e.exe

Filesize
9.2MB

MD5
e56cfa26ca6dec3267eb2a40dad243dc

SHA1
b87d6c309602c39404d467f89c2bcdba15cf4baa

SHA256
38662a78b220eda33e4a23ea9c4d011704eaed172443d980eb2a3bd163cabb2b

SHA512
dec0605425cbcf92d6f453690d4945a0cfa65543025529b5f34282f0c2448b1e6b45c75587e29e551049a2146ec3700d2bede8fe44d5891532b1b5dd3411acfb

Download Submit
C:\Users\Admin\AppData\Local\Temp\8D6B.tmp\b2e.exe

Filesize
10.1MB

MD5
8112abdae4a87a1688e1fa61e1fde909

SHA1
0c8bf3db1c025710b0022ad1e36facdb4540d832

SHA256
522c3b4b83b25d556195280f85a209d8c30fb55cb93d0636ed7288a5420de328

SHA512
a2c367d629c5e05d8a0765ba494548119e2127ca41b0c9a04058d077763f696579a33f6ddcf352dc103775f54643aba84062ff5f9467408bece7e8ccddfca9e0

Download Submit
C:\Users\Admin\AppData\Local\Temp\8F5F.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
7.7MB

MD5
c3c6b11e15f6949bba673de136d0ae22

SHA1
27b2d68013443fff74028f6578cb66a4d138bc2a

SHA256
7b52f9d09f7f7de8d694e103084fa94f28e8ebbb4fc12b71663ff299ef58bb88

SHA512
ce6a629a68e3fd1a4965366a5fb19779a29448cb9c859d3b5adb40cdad2b7140644654e6a79c450311b47ebb46a33e31f61489a1306da1bc9fa0dc189cbd816b

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\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
7.1MB

MD5
da37ab4b954edda1dea60098300fd80d

SHA1
7c42d632d042524d15335c995bffb3306164c187

SHA256
5585185eec8115348552b13882cb3d8b897029bca53f809cf13ac5ef9f8e2b4c

SHA512
d0ca717c03b84cf768d55df3c231c748693e681c59feef2e214cf6c21fb699de01e3331c96b97f1dfc19db2eb57a45fdd98a8b252acde98cf8d631bb8d636bc5

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

Filesize
6.1MB

MD5
5145df803f9171e5cf60245142714a34

SHA1
1b3348760b1beb61e67bf130b0bcd0c534521b0b

SHA256
4dc0b1fc4806517f6c2f8e915534badda83d4679986a5dce5bb5c01befdd603f

SHA512
cef028f0f0f0d6e855dba00f633e666cb1324bafc47d8ced054c014cf363430a755669898f1cdd065a3f378029b56ffb3eb7e3556976559cac93e3baaf9a77ae

Download Submit
memory/3208-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

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

Filesize
20KB

Download
memory/4316-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4316-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4316-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4316-43-0x00000000550B0000-0x0000000055148000-memory.dmp

Filesize
608KB

Download
memory/4316-44-0x00000000010D0000-0x0000000002985000-memory.dmp

Filesize
24.7MB

Download
memory/4316-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4316-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4316-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4316-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4316-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4316-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4316-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4316-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4316-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4316-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4316-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4316-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4608-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download