73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
303s
platform
windows10-1703_x64
resource
win10-20231220-ja
resource tags

arch:x64arch:x86image:win10-20231220-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
13/02/2024, 13:41

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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
2456	b2e.exe
4628	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4628	cpuminer-sse2.exe
4628	cpuminer-sse2.exe
4628	cpuminer-sse2.exe
4628	cpuminer-sse2.exe
4628	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2172-6-0x0000000000400000-0x000000000393A000-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 2172 wrote to memory of 2456	2172	batexe.exe	74
PID 2172 wrote to memory of 2456	2172	batexe.exe	74
PID 2172 wrote to memory of 2456	2172	batexe.exe	74
PID 2456 wrote to memory of 1048	2456	b2e.exe	75
PID 2456 wrote to memory of 1048	2456	b2e.exe	75
PID 2456 wrote to memory of 1048	2456	b2e.exe	75
PID 1048 wrote to memory of 4628	1048	cmd.exe	78
PID 1048 wrote to memory of 4628	1048	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:2172
- C:\Users\Admin\AppData\Local\Temp\928B.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\928B.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\928B.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:2456
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\947F.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1048
  - - 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:4628

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\928B.tmp\b2e.exe

Filesize
2.8MB

MD5
d679c6699e52566bcd117cbd7ea915df

SHA1
fa42cb3aa4de9331cfc2f0d124a21f111d559ff3

SHA256
cefbaa4d3fc64a6719398052a4d2313262d8dfb9218fe625b078263094d448d4

SHA512
8f1d8ae513e97d2b8eb71d386836a4e4ef0d246135b380b17a42f6174f97434731534bf260f28aab5ae51cb1d02154aa0b677d02fdf7bf987c78314ab6a39dbe

Download Submit
C:\Users\Admin\AppData\Local\Temp\928B.tmp\b2e.exe

Filesize
3.2MB

MD5
f8d08084cde2fe5e6bff8adf6186a821

SHA1
96b15e0aaf55651b619e8088fc00d1717acffc03

SHA256
be832826a0ec88865e54846bdcd70768441078bf793995096b4fa27a2b4228ea

SHA512
cfec72a80e9834b714040e0bef651b46f5d4b1ec437cbea20fc18c759a32a8fba474391d4b26dedda3cf90c28980472424974c3e22750502b979d04008a3c045

Download Submit
C:\Users\Admin\AppData\Local\Temp\947F.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
9.7MB

MD5
036293ea95baebe589fa5a8b8599ced3

SHA1
72bfab71e0c677aac45efd9213770452b7a4296a

SHA256
e13ecb27a3c76f873919218477e138598c5c4933a2bbffba24c3d708df466e7f

SHA512
6263bc8c93cbe71da8b268554ad0a902799e8963fc540acd8ec14a1d12f7139691fa6dc11519f8a58c308b0cd21c259887bdc27dcc7ca2f3e711c032f94eb241

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\libstdc++-6.dll

Filesize
8.3MB

MD5
3b0493cf21cadf72deca5adb0fd4fa86

SHA1
559e87150709927fe1992b3265e2b5a557f80cbb

SHA256
4dd85f7940e85f9a51355e1442a049c90f14d8cf2f6cc6aa17d6cb85262d762d

SHA512
9c910da0cc28e170c8036d414dd2b89cbd4bb71a5d2b901f46592e9f3b1096e7d041a265b79d0875086d17187c0f1ef61c0e8279f27bc732d1a9d047a22c4786

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

Filesize
7.9MB

MD5
b8ee422d58f0ca6b74aa54d05234e0ec

SHA1
85cb9ad0c97cbb23aef82f54bca4a06d59462915

SHA256
27fd21e992042f5e32482a9cab9600efb717b0885dbdc50c99dae20575d124d9

SHA512
468554fef19841997165f8e4975743f4eff961153236d60c7897755a8c053d382a10574e555c246f7c562602e54dad569e04d4c74d579d6fd3940b91f677902d

Download Submit
memory/2172-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2456-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2456-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4628-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4628-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4628-43-0x000000005A600000-0x000000005A698000-memory.dmp

Filesize
608KB

Download
memory/4628-44-0x0000000001070000-0x0000000002925000-memory.dmp

Filesize
24.7MB

Download
memory/4628-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4628-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4628-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4628-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4628-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4628-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4628-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4628-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4628-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4628-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4628-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4628-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download