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
17-02-2024 13:31

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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
2620	b2e.exe
516	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
516	cpuminer-sse2.exe
516	cpuminer-sse2.exe
516	cpuminer-sse2.exe
516	cpuminer-sse2.exe
516	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3372-5-0x0000000000400000-0x000000000393A000-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 3372 wrote to memory of 2620	3372	batexe.exe	74
PID 3372 wrote to memory of 2620	3372	batexe.exe	74
PID 3372 wrote to memory of 2620	3372	batexe.exe	74
PID 2620 wrote to memory of 1852	2620	b2e.exe	75
PID 2620 wrote to memory of 1852	2620	b2e.exe	75
PID 2620 wrote to memory of 1852	2620	b2e.exe	75
PID 1852 wrote to memory of 516	1852	cmd.exe	78
PID 1852 wrote to memory of 516	1852	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:3372
- C:\Users\Admin\AppData\Local\Temp\9124.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9124.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9124.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:2620
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9347.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1852
  - - 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:516

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\9124.tmp\b2e.exe

Filesize
13.7MB

MD5
146c2f040668245e2080c28f0ab08116

SHA1
ec9d5b52f10d70b8106d807a05d0accc757835c9

SHA256
49e24c7cb64c512e49d857c5593073584e14df88fa9e3700dea739bce5731081

SHA512
df654d3b8b32b7879dd778f7300ca5681b2098b59568bd49a7eb777cbab761af587957f406f13d4982f57766111f38c7c437cdfb0ddb8c98b51586f2390d919a

Download Submit
C:\Users\Admin\AppData\Local\Temp\9124.tmp\b2e.exe

Filesize
15.6MB

MD5
717db5b05b45dc516795c563551698cd

SHA1
138c2d73baed1f342121058231d7499287116be7

SHA256
18cf860cca9e482172b621197b36f361f679f2496f9da7a2eed759581643c968

SHA512
4e768aac0fcc597a017921f54987d7b4b897d8e8a27929e0c11a1bb3ae4abb33a501817c4b26d308b6a61eba8fe81edf1ecf972237840f08be50d4ae3eee2e25

Download Submit
C:\Users\Admin\AppData\Local\Temp\9347.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
8.6MB

MD5
5caeedb406b5039c3afe5bce9b24d46e

SHA1
c83916c0b116dadbb16aaa3c84c972fd1ed81b3c

SHA256
39d75d417d686442ee1b84ebd682d3c4148e8bd5a81511878ac1818b8bb34ebe

SHA512
340aa56eeeb4ea3b2eddfb206ccbccdb491c95a0aac6ad9c1a2f227d3a4c6016ccc64195017dc5c1475392ced1af592fd774280656b530769317794f5185a233

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

Filesize
11.0MB

MD5
78a989a3d771c95876601968b7070752

SHA1
26ba43b789eeb3d7ca7160cd58989b0831dd2bf2

SHA256
4bae2c53f312cf5b7543996b5868af9f3d4635cc3b3f9c858e6631f5a99192c4

SHA512
8009c2f3bc22ad16c72ab65998b8bff0cf3c2d92db7595fe0caac10e1cd2ab693ba1687ce90a59db98a399e54d8df6a00158c9cad18cabdde558eb54d769c50b

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

Filesize
11.2MB

MD5
61b449a19b1b853c43ae8b459bd0fe96

SHA1
89f2990d0360d6490134d8e637d42664d28bdfe2

SHA256
3355112c81831e53d0b13cfa5884484f7856aa22ca4ec6f9a53d1da4b85f4043

SHA512
2a7ad79e64536adce0a1f33c7d8646a1ddaac6434bb53090e868ed66cc6971d3a344f1471d167c726024da5eed12894c0dad2fd2b6cfde153b604c38dbd21571

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/516-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/516-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/516-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-43-0x000000005CEE0000-0x000000005CF78000-memory.dmp

Filesize
608KB

Download
memory/516-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/516-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/516-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2620-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2620-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3372-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download