73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
max time network
306s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
21/02/2024, 11:13

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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
4952	b2e.exe
2328	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2328	cpuminer-sse2.exe
2328	cpuminer-sse2.exe
2328	cpuminer-sse2.exe
2328	cpuminer-sse2.exe
2328	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3156-5-0x0000000000400000-0x000000000393A000-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 3156 wrote to memory of 4952	3156	batexe.exe	74
PID 3156 wrote to memory of 4952	3156	batexe.exe	74
PID 3156 wrote to memory of 4952	3156	batexe.exe	74
PID 4952 wrote to memory of 4968	4952	b2e.exe	75
PID 4952 wrote to memory of 4968	4952	b2e.exe	75
PID 4952 wrote to memory of 4968	4952	b2e.exe	75
PID 4968 wrote to memory of 2328	4968	cmd.exe	78
PID 4968 wrote to memory of 2328	4968	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:3156
- C:\Users\Admin\AppData\Local\Temp\23BF.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\23BF.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\23BF.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:4952
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\29AB.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4968
  - - 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:2328

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\23BF.tmp\b2e.exe

Filesize
2.6MB

MD5
16aa0d838ae905717af335b14a3f97fd

SHA1
af70d14aa65a827ee5d6db0caa85c865e3148833

SHA256
bb9fcdb94a994d59104a4497473ea0214ce030994bcf38580b7374d6ec9ed2a9

SHA512
81cb52682e59d4790741a48281d7e61fcf3302fa22eddcffcd296e43f926e2870caf36d5f53c792b541fcf24b09686bc30872261ed47f26350dd2c80b1607f52

Download Submit
C:\Users\Admin\AppData\Local\Temp\23BF.tmp\b2e.exe

Filesize
2.9MB

MD5
ea792ebd772ba0e254a81655cfdf1d79

SHA1
a15be01c4a827fa16b6bd35b1b5f2031ee755e9a

SHA256
fd661fd36a27fb5db475ff3453523bc9cd03828e829c0edeba08ac0c6cc9825d

SHA512
ea0e569d93ca4a609e97acdddb47172a9136e6963b2b0f65360fedc24865b97f5a55714ba07c88c43e5900745ae72ac236bdc44262ea7a404201004df76b9499

Download Submit
C:\Users\Admin\AppData\Local\Temp\29AB.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
1.6MB

MD5
51297503b1c70f33d19c5a0a259f64fb

SHA1
28e0eb957356c068553926763aa82e43a091beac

SHA256
c06679e7aea30f8a75b8e46d4d13c9cce002e9eac4f34b7e6303a2c7bc1f0fcb

SHA512
aab9f5d666d6b042ca137ba8835c430d3a8d7d8b531f1c2de013e41516028af958507ae5ee7ddda06d061905bf79f2d0b51ed5db2d21d43e2d543d88329432b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
1.5MB

MD5
2e9b074b73c568405c78ffc5bdc0d835

SHA1
b8c3657438b89381920f93f4eb1a0ade82d67fe0

SHA256
ec523ceb77229a79e4564bb65b97d0b6160068b7844fe90021ed6aa3ca44d214

SHA512
d20bda8a79d1ceb84b89f1c0e381c92e03cab30de2e74956fdca6e1d3030c86867cd24ec7cdc51f39332c3b0dfbe5f04881ae04b11012153e109e7409064d8df

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
1.1MB

MD5
03ae1346c99a66fcbd06c3a56898820a

SHA1
cf57878eb1c3523d08468ba3e9e65a063c24d902

SHA256
bdb28d28d4f6093c2bbf0cbdf1b2edaf325ad34c214cde4123437896488dc445

SHA512
b1e6f93db804c65f996ae29123a601ee95830391d9f5b73608962cbcd25a9082f1b1f9a6e732e5f84bfa3bd7207101edf9d076445370150ae58c9dcace634260

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
1.1MB

MD5
b99be0f5ab9dbac84a9d00a0ad2446fd

SHA1
565555a8ce7a3f135bfcb687a96824553d85d7e9

SHA256
0a63ec1fc41ae39702d871cf0618483331b6c215ad8f7d3f74ce27f18afff3af

SHA512
1e7a1b49efa4957e36c0c0a6ae9b65fe2f7a661ac55361f277399c61ff3b14892efc80bbdcd7c2cda10b2a9500a00578a4a4aae731bb2b2e2289b88406a5d1d9

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

Filesize
1.0MB

MD5
f383e76ec1ecc5c7bfd0a4ecd6db2155

SHA1
3eb2aafa3cb4829ede9dce6e93c448fc7065e450

SHA256
a6f8b16a4a2f935e5cb526177de43899a68c33be104971d6a2d53f409cf4a00e

SHA512
76f065d7fe2099a8c46b9732ea41923a51da01328ceb43bf73f7064cf134640bc8aa349e53e46fff1bfe7df5d751c2a37367de7c96f4f654df0a04725a1214f8

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

Filesize
1.2MB

MD5
e9daa1e040f825bf040f85e8ee1f2822

SHA1
fed725237c57abfa1ec9a3853fd27b2977e28a77

SHA256
1d2f0c9a0a9ff320b67f65b0d930dd1288b9d517c720ac73aad4350d5817e6fc

SHA512
e09bed3c8a43b9f540dc0676b8bdffa137e13e8d67d3e040f7427e7e202ddfecb5cccaec1290276baeee1e3ca4f726fe2b9beb5a1209858b020e0b2f081b58bd

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2328-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2328-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2328-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2328-42-0x0000000050AE0000-0x0000000050B78000-memory.dmp

Filesize
608KB

Download
memory/2328-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2328-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2328-44-0x0000000001120000-0x00000000029D5000-memory.dmp

Filesize
24.7MB

Download
memory/2328-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2328-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2328-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2328-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2328-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2328-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2328-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3156-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4952-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4952-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download