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, 14:30

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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
2136	b2e.exe
3596	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3596	cpuminer-sse2.exe
3596	cpuminer-sse2.exe
3596	cpuminer-sse2.exe
3596	cpuminer-sse2.exe
3596	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4476-6-0x0000000000400000-0x000000000393A000-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 4476 wrote to memory of 2136	4476	batexe.exe	74
PID 4476 wrote to memory of 2136	4476	batexe.exe	74
PID 4476 wrote to memory of 2136	4476	batexe.exe	74
PID 2136 wrote to memory of 1168	2136	b2e.exe	75
PID 2136 wrote to memory of 1168	2136	b2e.exe	75
PID 2136 wrote to memory of 1168	2136	b2e.exe	75
PID 1168 wrote to memory of 3596	1168	cmd.exe	78
PID 1168 wrote to memory of 3596	1168	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:4476
- C:\Users\Admin\AppData\Local\Temp\AF8.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\AF8.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\AF8.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:2136
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\EA1.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1168
  - - 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:3596

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\AF8.tmp\b2e.exe

Filesize
2.3MB

MD5
7e118ee82c731a138d2c0ffe58f39bb3

SHA1
f0535a0081fe4f5520f213261ab48ccd2a76240a

SHA256
ac9a081e1e5dc85d5fb27a89ba974d48c0b983b3a43adf197381be8694448123

SHA512
3cef77c1a9f445e7dc4d857284520af0fa6c439de0c7dfd6fb74b817e99bb540d031984a99fa4b55401dd5c04ad2ba1b39c93d929fc528e54a7f51beccea5727

Download Submit
C:\Users\Admin\AppData\Local\Temp\AF8.tmp\b2e.exe

Filesize
1.1MB

MD5
a43a8e689cd5eb2690d211c1d48e729a

SHA1
92acd696234142bf22c8b5f1c1af459f38dc3bf4

SHA256
de564130f2706db8cccf91eb5cda9c55b9cb1cf5c775c3eee2d27c4c63ae5adc

SHA512
d804a9846c745cebd70e25fc740f2d8ab555e3b66ec9a1199539d08a0bf9c7cc4d2122eb5fb65ad6192835649fc0cc55f08ea2572c131c6b1931be3d30991182

Download Submit
C:\Users\Admin\AppData\Local\Temp\EA1.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\cpuminer-sse2.exe

Filesize
64KB

MD5
42871db599b90c630b2d75268c8b0116

SHA1
fb3a97b9517d4abe248a7c1a0fe0f528f40b29bc

SHA256
80110dd27dac90724987601037bc7d4bccdce1afd95aeffbfd8cacd813b891cb

SHA512
c32a1b46ab54abcaf179759b2aaa5aeec58a353ebe552b09ce1980ab54a9c702ae1e348c2a9c2020f74fa7c7bfb4d4bac78396f76b6bac04227436deca800438

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\libgcc_s_seh-1.dll

Filesize
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

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

Filesize
4.6MB

MD5
2d0313a655440e87aa3c0c928026ee16

SHA1
2275a64c92180d88e646b8852ace630ee11ce085

SHA256
b94d18754c2d8478151e0d73faa055fa69da602531d4891d9ddcd2a65124409c

SHA512
a253fb7c977895a6d6cb508729af9b4a06d85f24c62a0b0fc0baa2b4e463e0ba53416ede4a5f9efdd244e3a0cbe99732b07b73d2eaef2a02ca72b064c00569a8

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\libcurl-4.dll

Filesize
125KB

MD5
dec2f53d4da68496283511c8896e26b1

SHA1
83dacece5d253fa1d62e518ad6cbc764aa7a8505

SHA256
19d50e2ab1b64b0dc408ac7882e9914e46636ee1ee3b8c2d0beb31f71095172a

SHA512
1c759fa30405c2b819cd40ac67b29e1c5406d992eaa1817d215cd4d7ad799f6f6c7b8182582f81d7636486d1363bc84051520e40da7c2207bcfba715ed1959e1

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

Filesize
64KB

MD5
7fcedb6e973c5df3b6652a2afafa6a13

SHA1
116728803559ab58a8127544df80b75a0dd1c6d2

SHA256
fd7191afdecd35b78a0c0ca0457cbbf42ffda1e52263cd785abca5f047b18825

SHA512
05c86bf84079a2cc13dc7a1a917a0839ccd2b18e0440c4bd419c99f65c4161ac69a9447f56bdf6051b2fbbc49b7556fc3717432d0e293dfae2921c0701fe64fd

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

Filesize
42KB

MD5
8e156f809ab599c49b91b6f01e1d9a03

SHA1
0c06de264beb8ae5dc259c81d0c01e413933e68e

SHA256
373a94c1bb30ab08b6a7dc9ff1f3d603f8d90c3204856aaae6096ba35e7b1b89

SHA512
df27a7ea26a35836cfc48e70421890e762c36996983e209994dda908d71fe06ce2c39d42b5d1c4f18ab9ae9e44e5baf930db4d8ced7d40285ad4fed239811441

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

Filesize
64KB

MD5
6cccf65bd7d7ff5b53aeb882e15c462c

SHA1
a9822b63ad70c6085ed1deda0fbe4bc5fe555f3d

SHA256
1379cd6111c2c37cf16f2dd9b325118513e85c35543ba45e79deb504dd4c01d2

SHA512
c174b5f8615131c2b86c57aee166744ee1fe02ff7c916195f2fde06684f467545a3fa4f88083335e2045d12727d774279dc8672ec352de3095b729aa5d1dedcb

Download Submit
memory/2136-55-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2136-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3596-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3596-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3596-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3596-42-0x000000005B350000-0x000000005B3E8000-memory.dmp

Filesize
608KB

Download
memory/3596-44-0x0000000001120000-0x00000000029D5000-memory.dmp

Filesize
24.7MB

Download
memory/3596-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3596-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3596-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3596-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3596-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3596-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3596-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3596-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3596-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3596-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3596-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4476-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download