73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
295s
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 16:04

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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
1732	b2e.exe
1524	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1524	cpuminer-sse2.exe
1524	cpuminer-sse2.exe
1524	cpuminer-sse2.exe
1524	cpuminer-sse2.exe
1524	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4360-5-0x0000000000400000-0x000000000393A000-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 4360 wrote to memory of 1732	4360	batexe.exe	74
PID 4360 wrote to memory of 1732	4360	batexe.exe	74
PID 4360 wrote to memory of 1732	4360	batexe.exe	74
PID 1732 wrote to memory of 5068	1732	b2e.exe	75
PID 1732 wrote to memory of 5068	1732	b2e.exe	75
PID 1732 wrote to memory of 5068	1732	b2e.exe	75
PID 5068 wrote to memory of 1524	5068	cmd.exe	78
PID 5068 wrote to memory of 1524	5068	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:4360
- C:\Users\Admin\AppData\Local\Temp\87ED.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\87ED.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\87ED.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:1732
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\89F0.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5068
  - - 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:1524

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\87ED.tmp\b2e.exe

Filesize
11.5MB

MD5
0e82974f38844c06eadd417dc02cd8f3

SHA1
bd7f2158ad24db9555414389ddf4214894aff02c

SHA256
63904ac8de25da2b76c38b377d30972b34a026eee22009d6db5dc02c41f92193

SHA512
93e3aca629d4d37c851b7d12e7f7db57d2a6c25e70300beee53465bb207a6c83fadf28ba5cd13128252bf74f2a03168b4b6675e7515ff33ca93fce500d45012a

Download Submit
C:\Users\Admin\AppData\Local\Temp\87ED.tmp\b2e.exe

Filesize
12.7MB

MD5
506ac5ed24294dea34fc1051cbcb1ec0

SHA1
38597ee998cc0b733f412fa7e6265d23629201d0

SHA256
cc0d60d55f40a25dd2cc48ad15a6f8a537a59f30f7c3258807ce994df3cd0c34

SHA512
a79cc54ec0994a2743afce84c8160ea078861e09c21719a5285b3d11a3d958e9c7bf7b37ed0e59cda1e057f1ed76efccc100646617abd1ef90cf55483089d60a

Download Submit
C:\Users\Admin\AppData\Local\Temp\89F0.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
8.0MB

MD5
39b6525ded151923605ff5453d89b062

SHA1
8b8a11758979126ef9820edcdb5a144303ff64f4

SHA256
715ab452fe8e1d103a2c1e600e623a986792522b491d50fc7c115e3fa834c6b9

SHA512
1029fcbf5d28ecead68285b2c6604ae3ab534b8a4c7266900229b9ab3864979fc652293856bd179fb4d630452bbfea431dc7a84aa5782a813a278b1e31125fe2

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

Filesize
14.2MB

MD5
7cfaf1c16cfbab1b8fc137f98da1a103

SHA1
20ec5a2c0256bc32b8a80dba09e9087b1a84a186

SHA256
474201d9913ac3eb50de34ba519ece1f680e73ae8dcf2c2ada9e5cb382f5586c

SHA512
24d743e2ba6369c91e2cbf89a695f53c69d70a8d1a2c08c42c7b1046a346b560c55f4e8dbfcd1f8d14d28fbad86eb5d4ddd56147ae428f6909ccc70ff766d7f2

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

Filesize
11.7MB

MD5
df49ca21908da1a64b6ece65ab0274b9

SHA1
315a8c9011ea9a0af6e611ee798fc2e7e08fd82d

SHA256
b1ca4d191dabf4656b17711b205cd414461fc4b9cd592e5298d332c5ecbb4e84

SHA512
d23278efc16ecbc3def08811e77f56a5f71d291267262e228776b62d72e47aaa26ac7c2f82917a00bdf2c5c8005c04dba09b53a94bc2cf0b7d96e8f9d414047d

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1524-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1524-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1524-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1524-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1524-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1524-43-0x0000000062070000-0x0000000062108000-memory.dmp

Filesize
608KB

Download
memory/1524-44-0x0000000001140000-0x00000000029F5000-memory.dmp

Filesize
24.7MB

Download
memory/1524-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1524-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1524-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1524-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1524-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1524-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1524-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1524-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1732-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1732-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4360-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download