73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
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
17/02/2024, 11:33

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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
4652	b2e.exe
4060	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4060	cpuminer-sse2.exe
4060	cpuminer-sse2.exe
4060	cpuminer-sse2.exe
4060	cpuminer-sse2.exe
4060	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2180-5-0x0000000000400000-0x000000000393A000-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 2180 wrote to memory of 4652	2180	batexe.exe	74
PID 2180 wrote to memory of 4652	2180	batexe.exe	74
PID 2180 wrote to memory of 4652	2180	batexe.exe	74
PID 4652 wrote to memory of 4992	4652	b2e.exe	75
PID 4652 wrote to memory of 4992	4652	b2e.exe	75
PID 4652 wrote to memory of 4992	4652	b2e.exe	75
PID 4992 wrote to memory of 4060	4992	cmd.exe	78
PID 4992 wrote to memory of 4060	4992	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:2180
- C:\Users\Admin\AppData\Local\Temp\BC4B.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\BC4B.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\BC4B.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:4652
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BF97.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4992
  - - 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:4060

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\BC4B.tmp\b2e.exe

Filesize
4.0MB

MD5
ee633bec65844cbb8c9f1c79b7a35c20

SHA1
b1f55af3a9cfa680b42b5d331a770ccb30fad281

SHA256
4a6101f491e019960bf1c72be644efacac7583970644d55cbf8c3025a477d0bf

SHA512
19d99a6756cef39ff6efa94a1c52760e2f3bef78e25d9b9efa81d3dc367a24adcd1dac511595b9d8e634a250b3c508ca0b2a1362bbfc9dee286e3838ca88ec31

Download Submit
C:\Users\Admin\AppData\Local\Temp\BC4B.tmp\b2e.exe

Filesize
2.7MB

MD5
e61db270db2f9f7876b40986cf009258

SHA1
b36743221e89f35e9ad1f07310ad78c9f7a9e412

SHA256
529e8b17d64ee101baf2321e390cdb2701e47e0b9efe6b84a9a4eeb2cc42569f

SHA512
291a66c927d09717241cb20d21e9633987249663940c73a874ff28bdd5e1b4c6ac3c952642cfcaa7a888e1d3050d6288cc22c527b98d06c93dec48169bca15f2

Download Submit
C:\Users\Admin\AppData\Local\Temp\BF97.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
6.1MB

MD5
7e1c30d4b18ee8e05b43533f9e3ff392

SHA1
0ef0c60319333da146f73383086f57044aedb725

SHA256
0d7e72b65985f92647a73f90e9dfaab3bce6334fe5b90631eb8f35b69eab4a01

SHA512
102d51d825839a1da604bb22e882162cbdbfdca3408552cca8e2a5fdfa65d246831d7be9c73cb9d47e1aa90fa1ce44c73fe8f4a9659a5fe97deeef5640acc35a

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
5.8MB

MD5
487bb593272455b35b9340d1b93a5b50

SHA1
be8c0f82806f3943faf15aa79160ab9c6ad7c89e

SHA256
15860547b1375e485da5bb767e5f02edca419e464525a846441d25765ffd84c1

SHA512
e63aa6d5f2c4f6278641d3a93c04710357a483ab457c2919d2875f6d7d1243ef0e7682857675cde0d5b4855dd0a0caa6c9e33f921e11df90399a592cc2066f24

Download Submit
memory/2180-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4060-43-0x000000006FC40000-0x00000000714F5000-memory.dmp

Filesize
24.7MB

Download
memory/4060-52-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4060-41-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4060-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4060-102-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4060-44-0x0000000000F40000-0x0000000000FFC000-memory.dmp

Filesize
752KB

Download
memory/4060-45-0x0000000073DA0000-0x0000000073E38000-memory.dmp

Filesize
608KB

Download
memory/4060-46-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4060-97-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4060-38-0x0000000000F40000-0x0000000000FFC000-memory.dmp

Filesize
752KB

Download
memory/4060-57-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4060-62-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4060-67-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4060-72-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4060-77-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4060-82-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4060-87-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4060-92-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4652-51-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4652-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download