73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
max time network
294s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
19/02/2024, 16:32

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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
1732	b2e.exe
2944	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2944	cpuminer-sse2.exe
2944	cpuminer-sse2.exe
2944	cpuminer-sse2.exe
2944	cpuminer-sse2.exe
2944	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4672-5-0x0000000000400000-0x000000000393A000-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 4672 wrote to memory of 1732	4672	batexe.exe	74
PID 4672 wrote to memory of 1732	4672	batexe.exe	74
PID 4672 wrote to memory of 1732	4672	batexe.exe	74
PID 1732 wrote to memory of 5068	1732	b2e.exe	75
PID 1732 wrote to memory of 5068	1732	b2e.exe	75
PID 1732 wrote to memory of 5068	1732	b2e.exe	75
PID 5068 wrote to memory of 2944	5068	cmd.exe	78
PID 5068 wrote to memory of 2944	5068	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:4672
- C:\Users\Admin\AppData\Local\Temp\883B.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\883B.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\883B.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:1732
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8A7D.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5068
  - - 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:2944

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\883B.tmp\b2e.exe

Filesize
10.3MB

MD5
1965ad5c8de7b305317acb24835a4c8f

SHA1
b07ec77022b63c501652670b62036136366885b3

SHA256
434b201e96d7078de37955198b5e16b3c3cecedbadab5cb31e222e9d9651c1b6

SHA512
d8e2db62c030fc0dfb37847bb165b7840b778352fe1e82f3b64846c241b80c345e633bb8edd451ade29ecd59f4aacd40d276d55f0542abfd982bcbc4796cfb3d

Download Submit
C:\Users\Admin\AppData\Local\Temp\883B.tmp\b2e.exe

Filesize
9.7MB

MD5
1c8d7277016260e3b24a6f6bd4847e45

SHA1
11d34f1d0aadbbff8de85ceb6a77a5e7d226a1b3

SHA256
033b1a1bcd8589c3f004ab36fb971a4cdfe4c834ff085bb867e9469016c11025

SHA512
46f6a73ba9773fc60c4df6f961351bf614f1ee0767781e5b9495f432dd2ddc9219bfddfd2b468462de478651c0db325e4866b4482306599dceb68837ad594960

Download Submit
C:\Users\Admin\AppData\Local\Temp\8A7D.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
4.1MB

MD5
e751f07ddfff818f825c1f08de567be6

SHA1
f0a63d4cf96cead3f2d24636066ac4fbace663ea

SHA256
63882c0a0d84704f1f896d7ae10aeda2ef49d25b0bdf6e619d7c7ebaf65843eb

SHA512
d31e2651d3beadfd912d98ace5b190d073e46145fc052b1e8803fb8cf42676fc8dae2ee7ead016ff75cfe53627fb8f481f4b66a390c6bcac4ec4134fa0a3b5fd

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
4.7MB

MD5
ade7d5778cefde3e1ea4573da7740cb2

SHA1
29c6e510da9f7d85b84d52ba9ab5d8e4bae8ea73

SHA256
23bcde42c66e802d8e1bdf513b61c676dc55aad80e4681f57e78fcdd84b6c967

SHA512
7e339d38c2043797f778b169ea5531c72daba17c3d8da9f7ba6beec7756a6b6b7712726aa72a915d6a7f603952e61da09e9ee0a9bebfd80991b72697576f70e6

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

Filesize
3.6MB

MD5
7a815fa887771eb518718165f7e58ac3

SHA1
2e0cb84ea5686369260a9043e6c91fafb33f7ff3

SHA256
bbbd4fd051b5845b3333707ee4cc251122c011375d56275de88ca6d29fbb8195

SHA512
3990573458843aa90129e41edcc136e5dbe9067c05f0dc1ac80a51b4db654585cdab61ee5d4424481bdabbd71360a3d30011f7cc1d0fb41e8835d34567b78ed0

Download Submit
memory/1732-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1732-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2944-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2944-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2944-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2944-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2944-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/2944-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2944-42-0x0000000062070000-0x0000000062108000-memory.dmp

Filesize
608KB

Download
memory/2944-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2944-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2944-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2944-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2944-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2944-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2944-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4672-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download