73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
max time network
298s
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 13:28

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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
4704	b2e.exe
2408	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2408	cpuminer-sse2.exe
2408	cpuminer-sse2.exe
2408	cpuminer-sse2.exe
2408	cpuminer-sse2.exe
2408	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1540-6-0x0000000000400000-0x000000000393A000-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 1540 wrote to memory of 4704	1540	batexe.exe	73
PID 1540 wrote to memory of 4704	1540	batexe.exe	73
PID 1540 wrote to memory of 4704	1540	batexe.exe	73
PID 4704 wrote to memory of 3576	4704	b2e.exe	74
PID 4704 wrote to memory of 3576	4704	b2e.exe	74
PID 4704 wrote to memory of 3576	4704	b2e.exe	74
PID 3576 wrote to memory of 2408	3576	cmd.exe	77
PID 3576 wrote to memory of 2408	3576	cmd.exe	77

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1540
- C:\Users\Admin\AppData\Local\Temp\E4A3.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\E4A3.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\E4A3.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:4704
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\E937.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3576
  - - 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:2408

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\E4A3.tmp\b2e.exe

Filesize
2.3MB

MD5
6e022637e8149c916295e9791a309bc1

SHA1
8d2850e7064c4f2c6a0c2826a79ed3facf71eb91

SHA256
8ff15d04422df0afc6a03d5c9e324e618c10c4d2e7de1b8ed82727e28aa0a0ac

SHA512
78d1166896019507b276c488a9898a47cebb09b4db3e76402a333dcd8167acb10fe802900dfc4c5188499f6274cc98bb866bc45d85637fad7465d83e9fc21d0b

Download Submit
C:\Users\Admin\AppData\Local\Temp\E4A3.tmp\b2e.exe

Filesize
11.7MB

MD5
10cd187bf77f56698bfa41a0c856c77a

SHA1
cf51c5db5082dce9ac194dbaca13e43b43f1ff96

SHA256
6e8e58dba8e811fc6f68e3f3cd2593d7c12ce1e1694fe404bb5e629ad2d32368

SHA512
e68c9f0e50487029d7cbaaea2e54b7c83789d94b95c2235c827d1bcd1f7d17a8c72d7f1f488401588b80991d735e634cdfe60a5a6ede56b2236a723c6005dcff

Download Submit
C:\Users\Admin\AppData\Local\Temp\E937.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\libstdc++-6.dll

Filesize
8.2MB

MD5
f7ae117e46ef2a009efa0a66418fb118

SHA1
b40c39ee2a10f0ec7336268027baa91ad8f52a76

SHA256
42c7e4fab47d28adb6aa74262b2fb6c65c045dd08ec838a23c063b11157d0143

SHA512
7d7541561de6a229a129215e6e4ec852dcc8d0c2518e0552ce8e1b695d3c898e52d634cba2fc9ce08f23cbdd608366a6ea5a87f26cec96eaa835e5393d81a370

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
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

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

Filesize
7.3MB

MD5
08f02e49939bbeb0e3b831f5e012dc25

SHA1
47c2d8111c533d61181a9c82afb3d77c5de32d35

SHA256
8a734182699267d8eb11a680ac6ec39225cf97880dcdf9b22cef510bd003b4c1

SHA512
31c4b03ee5ca19224af68d06e07e5672a94abd1b186aca504e7f752df071447ec5b2e50d61eebc194aae3a0cf0e108eb63745121872b5cd2cead5f08a1aa9bc3

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

Filesize
6.6MB

MD5
751665faf079ba225431481e91914620

SHA1
c20737873f94cc0f67c3f475595775b4942ee8ef

SHA256
fab1e4051783ffbf2e376b892ad1726a471c982dd2b066a33dd809cb4b5dab5b

SHA512
7fa71ab393a7c656362c5db356d0f01af7ddb0dbf1f0ef9b26c24ac2dcd2c845e5eba2027cf3454b0aee9dc563bdcb03abb2b226460bc5fab33a932528126fb4

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1540-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2408-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2408-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2408-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2408-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2408-42-0x0000000074110000-0x00000000741A8000-memory.dmp

Filesize
608KB

Download
memory/2408-44-0x0000000000E80000-0x0000000002735000-memory.dmp

Filesize
24.7MB

Download
memory/2408-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2408-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2408-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2408-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2408-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2408-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2408-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2408-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2408-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4704-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4704-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download