73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
299s
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, 04:29

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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
4220	b2e.exe
428	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
428	cpuminer-sse2.exe
428	cpuminer-sse2.exe
428	cpuminer-sse2.exe
428	cpuminer-sse2.exe
428	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4020-4-0x0000000000400000-0x000000000393A000-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 4020 wrote to memory of 4220	4020	batexe.exe	75
PID 4020 wrote to memory of 4220	4020	batexe.exe	75
PID 4020 wrote to memory of 4220	4020	batexe.exe	75
PID 4220 wrote to memory of 2824	4220	b2e.exe	76
PID 4220 wrote to memory of 2824	4220	b2e.exe	76
PID 4220 wrote to memory of 2824	4220	b2e.exe	76
PID 2824 wrote to memory of 428	2824	cmd.exe	79
PID 2824 wrote to memory of 428	2824	cmd.exe	79

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4020
- C:\Users\Admin\AppData\Local\Temp\950C.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\950C.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\950C.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:4220
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\96C2.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2824
  - - 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:428

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\950C.tmp\b2e.exe

Filesize
13.5MB

MD5
3730e9b3566dbd12025073824a4c5204

SHA1
683830f575f0309c2a6376e0d4e2c83d66dd73f7

SHA256
6193fd5cb23d92c0f9d8fb142f189dd99655dcd66a2b9f4b73ce2f6318b1602e

SHA512
ccc0ade15f46834fe521696ea64ab572fe93f9f4475e3ce2342fb674328aee30108f9dac274d6b6ecd3b91d384a3c6eaf9ee41d403a198a4e62826735961d89c

Download Submit
C:\Users\Admin\AppData\Local\Temp\950C.tmp\b2e.exe

Filesize
16.9MB

MD5
877cfe027354bbfc65298516dde49217

SHA1
fc5ae60e6d60a22435f1ea288ff69b6b227b0796

SHA256
8af2421b91d0f721c1bb3c8bd052cdb56657be85269302e65eaa5269c58d8243

SHA512
b94cff17c72651b73410dd172c8ccd76bdc83201f79a89f124d755ec6f028d955436b12ee1fe60dad7c62262be37ba9b9154d8f141ef5c19cc3893b4b3e62a08

Download Submit
C:\Users\Admin\AppData\Local\Temp\96C2.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
18.1MB

MD5
7d8ce89a2e2c1f31f7864bc27e8073ad

SHA1
681b90176aab6b2e585bcbcfbefee44211511b9a

SHA256
09ae2fe69cde76feef32481d72a5e5ec9c9412d1dcdb918262a67ce16ae5f81a

SHA512
f14e19e6d0592247853840409cc0a03f8cc71a768848a0dfaa35cfe55810c2b8b2b48b2872c8a5cd6867f3acee1056ab79c0efc96266a3865487f16892eac22e

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
19.6MB

MD5
fd36ecb28de95600ba43196495d65c24

SHA1
fabd86aad8ccf0091bd7f70d1d1b12128db6c209

SHA256
c1df4a761e977e52adaa04892f58a06880f4fded2dc01b57a60fc73b66b60fc5

SHA512
b58d7ec60fd137e4394af36b7f77fdfd12d3975b81a076aa164c993dc4b0717edb9d26168421d337f1303d56c58bdced1b2978bf4c8224b33ee2eb59b67c701b

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

Filesize
15.9MB

MD5
68aa980ea7399c9711216900b39bb051

SHA1
b746548341c833ead9d1ffe8dd42cb69942f9958

SHA256
dca3bd0bbd13fb88560a8ab4a9843f2d4181ad707169940dc9124a84e1a06e51

SHA512
5eaab07c50535318757c307f10484f57049567255606726a02d940a31518d93f25078fd08f150c36f98758ec543027319bed1676479acb82ce35ceeaf0fe4540

Download Submit
memory/428-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/428-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/428-42-0x0000000074ED0000-0x0000000074F68000-memory.dmp

Filesize
608KB

Download
memory/428-44-0x0000000000F00000-0x00000000027B5000-memory.dmp

Filesize
24.7MB

Download
memory/428-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4020-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4220-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4220-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download