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, 17:41

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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
2944	b2e.exe
1784	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1784	cpuminer-sse2.exe
1784	cpuminer-sse2.exe
1784	cpuminer-sse2.exe
1784	cpuminer-sse2.exe
1784	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4728-4-0x0000000000400000-0x000000000393A000-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 4728 wrote to memory of 2944	4728	batexe.exe	75
PID 4728 wrote to memory of 2944	4728	batexe.exe	75
PID 4728 wrote to memory of 2944	4728	batexe.exe	75
PID 2944 wrote to memory of 4628	2944	b2e.exe	76
PID 2944 wrote to memory of 4628	2944	b2e.exe	76
PID 2944 wrote to memory of 4628	2944	b2e.exe	76
PID 4628 wrote to memory of 1784	4628	cmd.exe	79
PID 4628 wrote to memory of 1784	4628	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:4728
- C:\Users\Admin\AppData\Local\Temp\A21C.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\A21C.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\A21C.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:2944
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\A400.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4628
  - - 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:1784

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\A21C.tmp\b2e.exe

Filesize
6.5MB

MD5
2f0c73a011be6d9448e1d7c6fda887d0

SHA1
e33ef9f62eba576f2b43568f2f4c5a250a79bbdf

SHA256
11a04355136f70f64f43cf886e37b890eeccbeb48d045a1ee79e1e231a9263d6

SHA512
20466b8c8be3b114197946aeadd25a62d9dcf6dc88697b18dcc264c6b531b5730a9b63c1cbddfd9b8799b120b8711e5961152f084e47c050ec37ac1f88d530c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\A21C.tmp\b2e.exe

Filesize
7.0MB

MD5
c5887ae73f59c059da3fde8e6d13f808

SHA1
2777ac785cdadb6f351b1e39d3f74425b584088a

SHA256
b2237a6f8357a9fe5067246d963881fdf85b8f889adae455600de5acb2d64239

SHA512
febd27b91d2f524658744cb53bd33c2807095108f7211e4d2486edc902eaba7538da6d8b0856bef507ebc374838d8ad2cb5a3565e8fd4f2f66d2870b8d87ae37

Download Submit
C:\Users\Admin\AppData\Local\Temp\A400.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
1.8MB

MD5
b3646c18626039207cddb64caf3f96bd

SHA1
c1f04f4caf4def2af493180794188e49cf4fd97a

SHA256
84695e687241afe38668bbb8c4d04a0295817561cc78c6f1753c5a6f0f726040

SHA512
74dc4b67105fd52a4a371fbbed98b485cac56a97d614c41ff4f0dfe00cf7d9de259d9333889ae4357aca037aa15118d25bdeabfa883c8aa590a4d8dd9deeabc4

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

Filesize
1.7MB

MD5
1fba97c512d3989d92ac0e1c73aa1e35

SHA1
38100748f41a5561117879398c785909ed94bb24

SHA256
a0e329075dd93e139e7ace15c4c8f6995c1b2223a1607850432e663d47c4b8ad

SHA512
c7f4945979ca9e565d4160ea4491dc9bb280f91e6dc4b8b135958bc16abf50e945740d4ea57434ff9f1c496b09f544e0dffcb80e9243059f22fe871592598acf

Download Submit
C:\Users\Admin\AppData\Local\Temp\libcurl-4.dll

Filesize
64KB

MD5
e7317a0a343dc63f3fa3bf9ca6e93ff0

SHA1
0d48881feb76cf81fc46614bebfa3c134cada128

SHA256
277a43f17ccc4f0fba87c710212de61a41383bcb94410fa093b50ebd50347a63

SHA512
84ef51472db00cd4e90df3062a3cbc29a994c5cf470e54300d4a2f103ba8fb8279ec87b0561625ea1bccd80a7ad664c63457831b4eb919a7608099430b98a3d9

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

Filesize
1.2MB

MD5
8339dd854ac8acbd755c7be45d3534c0

SHA1
c3450b51184637d82c27987117ed85c49f1ef097

SHA256
8e848628061dd11dcc386118b70c602aa51458bf1ce865c84752af7d8bd6e61d

SHA512
620f53d149dc4a1a240fce6c3baafad84d3a132b28493560a3e090911623b4c63294b0dc389f0eaede7d7007c55fab69b2d4a4f8691d0fa2de8312ee828e38a1

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

Filesize
1.1MB

MD5
799d3c24a4a181fef5c81ff448d54ca8

SHA1
4d78bf61e271fee37f496e5b27d98b4003d6f7f1

SHA256
49087555ba33ec28799185c3af8f2fe87c0519ce6b74fbfcd6fee01360cf6d73

SHA512
422485b12dcd6d9cab0fb589f013f98c5b144de14b6e07af756cb0d6970be8b090e44dd143cf0a3d09e50d4f06d9c68a39a1f3c5241b624446fe1e2ee181cae5

Download Submit
\Users\Admin\AppData\Local\Temp\libcurl-4.dll

Filesize
836KB

MD5
aeab40ed9a8e627ea7cefc1f5cf9bf7a

SHA1
5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

SHA256
218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

SHA512
c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

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

Filesize
1.1MB

MD5
c89e863ce2221a0f49b45a55100e468c

SHA1
569ede311983a53a8f23f254fe37735538cbfa5e

SHA256
5ca5fb55f2e5ddee30c893b0e78d1ad59f593c2c3e5ecc155f14a088c65cfb46

SHA512
f65476f7353ef6ca7378752551c28736b61916cbf54f0a17b211a5a14ab93ddc2830a1d9c3cc1118117a23be95d49b06fc8a174d1a87f360ae4b96a6bbde04b0

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

Filesize
1024KB

MD5
61f1013547dc4ad24f8c5338c41931c3

SHA1
4a9f72fe7e71046ecd3d5af6443f195a6051430b

SHA256
2a65749eaa95c5c90be12d11587a82432933aabd60e8854868bc7168a36150ee

SHA512
6604219c7e5d583e8cc6a1f407e9964ab39791026857d17c9de25d3a4a8bb0272d491c6c019643eeeee8a2bd3451f3e0b75298e043777d44b8f3a161582c9b40

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

Filesize
960KB

MD5
f3707fd5b389e53285dfb3815a4785b8

SHA1
788b2ac7be4acb28e804021893e11cdd44ee0784

SHA256
f7ef0e3e60989fac5636e6e5a018b730b403b75889125b56c4d07d6279e94c94

SHA512
f11d8577758db08f597987f525b4fc4c8c3f5181255f89281300968dc90fe4b298c322e3f531f768cd5014d116bb7161365c9d3fbaa76ab835405d8a1e231f26

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1784-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1784-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1784-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1784-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1784-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1784-43-0x000000006DB00000-0x000000006DB98000-memory.dmp

Filesize
608KB

Download
memory/1784-44-0x00000000010F0000-0x00000000029A5000-memory.dmp

Filesize
24.7MB

Download
memory/1784-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1784-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1784-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1784-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1784-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1784-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1784-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1784-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2944-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2944-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4728-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download