73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
300s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
18/02/2024, 15:21

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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
1632	b2e.exe
768	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
768	cpuminer-sse2.exe
768	cpuminer-sse2.exe
768	cpuminer-sse2.exe
768	cpuminer-sse2.exe
768	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/308-5-0x0000000000400000-0x000000000393A000-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 308 wrote to memory of 1632	308	batexe.exe	75
PID 308 wrote to memory of 1632	308	batexe.exe	75
PID 308 wrote to memory of 1632	308	batexe.exe	75
PID 1632 wrote to memory of 1160	1632	b2e.exe	76
PID 1632 wrote to memory of 1160	1632	b2e.exe	76
PID 1632 wrote to memory of 1160	1632	b2e.exe	76
PID 1160 wrote to memory of 768	1160	cmd.exe	79
PID 1160 wrote to memory of 768	1160	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:308
- C:\Users\Admin\AppData\Local\Temp\926C.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\926C.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\926C.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:1632
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\947F.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1160
  - - 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:768

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\926C.tmp\b2e.exe

Filesize
12.0MB

MD5
07a8c8aa81c019680a1741b3313ea81d

SHA1
b632e7773d1beb5df61036fcfba633511de324a6

SHA256
4808112a2f808ee0e0e37c157dd1e81af01f184400538bd074784feff58a6374

SHA512
39d1b0463f33335a38811ea56385d489791ee3abdc7203e825f66109f57090c156442b8c98a27d7034ddede8ae616b59c568759ca68de282ae828877a636bd22

Download Submit
C:\Users\Admin\AppData\Local\Temp\926C.tmp\b2e.exe

Filesize
12.2MB

MD5
e8ab5ea282f8f3e9fa341940a1d975be

SHA1
53fef12963dbb464acd506d4b2fcdf237a71ae62

SHA256
bbbf7f4bbd0f94ba2c7b9f7d0f0b73212a2708d8ff5bc0857949cbbd47d1934e

SHA512
39a776466e5616631defdba054c9c3f5a8297a123043e6facba13203e0782d7fc5a5f85641b56610dd8109f1c40a3be0f1d274f9e6e9c1c1d1fc6b9c25822f5c

Download Submit
C:\Users\Admin\AppData\Local\Temp\947F.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
5.4MB

MD5
b69b2b567106989129ddd1f281a2dbfc

SHA1
f920cdbab8e8093c517e2fe6f927532e18f4f230

SHA256
7cb5d6cab0fa416105b593d2b5a12d9f87fbd74ee6ab856b7771060dddcfe0cc

SHA512
9757224357a416619e6f265b7d470794aa4da7a0c33d0bd2809a9288dd629258357b3c799fcc2663a08bfcb254e00233b9c8d36f0c3188e95a1ffa1ee1334578

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

Filesize
8.7MB

MD5
2af421cdf4e385e9a92cfce32691cd61

SHA1
27e05d70323691bac70d650461d52d6b447ec0a3

SHA256
1848af5b66689c27414226ea65323ed7df8ae1ac225787938656e8241b3e4d9c

SHA512
c32f86793185b5aca3d29d4553629bee5376a9fa12b1c8a654b8d7efd1d43945a74372b104cb09e94542a1bdd32448773ae0f4cb7440c808aaa2154ce23e58a6

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

Filesize
6.5MB

MD5
3cb6f1d783c211e47d509cb01f695337

SHA1
109667ee06eb29e6afe6a7939b6bb87cb2f7bc02

SHA256
51bd55593f5de79aeb181e3ccfe90b2fe4fe6fb1c72efbc7e2cd476b9b2fac88

SHA512
ba79791ee4661eb37771a7ccf72a97855d89530ffb4d71ab6d23d3f1d2ea1b45684c9ddf6a7d35da92d5027d66ad31bd857c2de67487faeea66ae5227e0066d7

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/308-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/768-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/768-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-43-0x0000000065D00000-0x0000000065D98000-memory.dmp

Filesize
608KB

Download
memory/768-44-0x0000000001160000-0x0000000002A15000-memory.dmp

Filesize
24.7MB

Download
memory/768-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/768-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1632-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1632-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download