73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
max time network
303s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
24-02-2024 03:14

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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
652	b2e.exe
2068	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2068	cpuminer-sse2.exe
2068	cpuminer-sse2.exe
2068	cpuminer-sse2.exe
2068	cpuminer-sse2.exe
2068	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2632-5-0x0000000000400000-0x000000000393A000-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 2632 wrote to memory of 652	2632	batexe.exe	74
PID 2632 wrote to memory of 652	2632	batexe.exe	74
PID 2632 wrote to memory of 652	2632	batexe.exe	74
PID 652 wrote to memory of 4652	652	b2e.exe	75
PID 652 wrote to memory of 4652	652	b2e.exe	75
PID 652 wrote to memory of 4652	652	b2e.exe	75
PID 4652 wrote to memory of 2068	4652	cmd.exe	78
PID 4652 wrote to memory of 2068	4652	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:2632
- C:\Users\Admin\AppData\Local\Temp\96A2.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\96A2.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\96A2.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:652
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\98E4.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4652
  - - 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:2068

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\96A2.tmp\b2e.exe

Filesize
2.6MB

MD5
f845d6b8c0beb43591f7ebc96344f81b

SHA1
5bcb9d96f6589b559060e11d6d5a0bf73d91c80e

SHA256
841b8431f27f5e631d37c605530e6ce5430559c96fa9a6ddebc7e9dd63ad04b2

SHA512
8de293211ad14117c9ecb797c78c738c91b691f3dc861401d537cc72c9ba05a40340c452938bd6d72bf400efa1fffb7bb387f204035697b8a229a29288d5d357

Download Submit
C:\Users\Admin\AppData\Local\Temp\96A2.tmp\b2e.exe

Filesize
2.3MB

MD5
07610a9311db5afd5d5a15cfaf44cad4

SHA1
bf450b912ae823f9aa3201d3ef602b32bc00d012

SHA256
91ec6cf50a2e209916bca1ede862ad33693f1b171ceaf1c038d76e6331a6eb7a

SHA512
e0a1490b6cce390aec4e15b40e405bb7c4b614e624334188ee358e445a9a2186712c9e064ede37795bf7c453b75d4f129fd60fadf0f572d28fdd061365844ca9

Download Submit
C:\Users\Admin\AppData\Local\Temp\98E4.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\libstdc++-6.dll

Filesize
9.4MB

MD5
b922fdf93ef11e490511e68cbad429c9

SHA1
6fb0e8eb91c6ef2180a02885b24de33809c75956

SHA256
9ff2f6e72942264752c1ddf2be0794cadd8264001e9a04ea230ed780c8306dbb

SHA512
0fdd5fa4d32958282899ab37f85ed4e6476cb9078751f80cbacb82ecb60a4a3cc3bac0c6c7c8d916b90a87833664aca1455b3b538b916e6824914e6bbe3f2781

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
8.9MB

MD5
e2b39a01952037ba30bf22d0382e27f2

SHA1
c63afe0808b94435d1735a385958127701da2792

SHA256
177e62b08a01f6946e794f7a5be781f99fc40a00ccaa117a95fc6827a1468192

SHA512
6c2181378ead745d23c5c6f4d783e47dd9e881d9d48110a4b0f5e2b88b112c55f4af4e595c9f0caf7edab3a035b5404485059472e3258f5a94ca95197855932c

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

Filesize
6.8MB

MD5
d7f34e0613d63e14cb654838abeda8f5

SHA1
7284966637e46a949e35aee15e95833a5da090ac

SHA256
13ed88f6893ae890a9bf04856ae6de4e92132a0b5ad88df5c7fc136ed640a576

SHA512
ac31f19305f77738b49eb3360ec9ab88b11d7fab77ce1379c9ec19c18a2dfcf2a15c1190f02a33c49cf9884d61b57c146c1177ed118dd7b5abd76d1cb246934a

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/652-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/652-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2068-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2068-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2068-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2068-43-0x0000000056F30000-0x0000000056FC8000-memory.dmp

Filesize
608KB

Download
memory/2068-44-0x0000000001100000-0x00000000029B5000-memory.dmp

Filesize
24.7MB

Download
memory/2068-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2068-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2068-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2068-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2068-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2068-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2068-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2068-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2068-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2068-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2068-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2632-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download