73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
max time network
298s
platform
windows10-1703_x64
resource
win10-20231220-ja
resource tags

arch:x64arch:x86image:win10-20231220-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
12-02-2024 12:05

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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
3912	b2e.exe
4956	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4956	cpuminer-sse2.exe
4956	cpuminer-sse2.exe
4956	cpuminer-sse2.exe
4956	cpuminer-sse2.exe
4956	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2172-4-0x0000000000400000-0x000000000393A000-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 2172 wrote to memory of 3912	2172	batexe.exe	74
PID 2172 wrote to memory of 3912	2172	batexe.exe	74
PID 2172 wrote to memory of 3912	2172	batexe.exe	74
PID 3912 wrote to memory of 3888	3912	b2e.exe	75
PID 3912 wrote to memory of 3888	3912	b2e.exe	75
PID 3912 wrote to memory of 3888	3912	b2e.exe	75
PID 3888 wrote to memory of 4956	3888	cmd.exe	78
PID 3888 wrote to memory of 4956	3888	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\920E.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\920E.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\920E.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:3912
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\93D4.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3888
  - - 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:4956

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\920E.tmp\b2e.exe

Filesize
11.9MB

MD5
c087a2e8d6ddf6627693d3662ef601c8

SHA1
d79ebc616c4e090120c6218db7799d9916c23c02

SHA256
5738b43b406bff951528c4d0052225ba6ed3387396aad0780f8f42fbd6ea8205

SHA512
18d6e49c2ecb3a51e8e6dbe2495e67d7adb1cc166a3b5e18944622d72cca19ae128ca4a5756dcc0c75ed4d8f8d86a9edd8c009e5206177fdf7f8b726c3f2725a

Download Submit
C:\Users\Admin\AppData\Local\Temp\920E.tmp\b2e.exe

Filesize
8.2MB

MD5
16fbcdedc35fb59ea2a973440fccce6e

SHA1
f60605a21084c764260fa844af6762ef538d1e20

SHA256
32c2bf995e1eaea5fdf8ce847410ff78cc4183f839e60a73189a7cf46cff14fc

SHA512
257976374fee9a1947d9ff5fca122f341f93ee0a5a4c5a6f5e607e7ae5a23dab13c20a9664dae79f5f4a91c183568fc838edc10264a149c1227d3fa0db66364d

Download Submit
C:\Users\Admin\AppData\Local\Temp\93D4.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
5.3MB

MD5
e20443f31a4f32d4fc054241b8970f10

SHA1
1111e0670976ee70c92032babf696faf7d1b9dde

SHA256
b9e3121dd765551bee5e2bded58c8d69cce72f36257737e78645a17a8d2235ef

SHA512
c49aeaab7583c07a1f47997e94f7a152a3e45bc540dcee105e793d94bbe25f7652ed80492b9ad098040157b25b9fff91c69f3cf797d8a4062717a616ce72f95a

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\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
6.9MB

MD5
102a30b479295f86683a43d4c2a3b777

SHA1
9e3f4d6d3e016c4987e80f34117ce8c7ec8252e7

SHA256
2f7ee8a286550706913dbce43f8bca5ff8f76e0609a08f95e918e9ab23e983c8

SHA512
74625405b8ae308d1f75d61b9c2ee2396a68bcb6f48ccb83787094a02b013d40f9cf1374e17b9d7824cdc74e2c5f0be101f374a623505639b22d308f06ab7ee4

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

Filesize
6.1MB

MD5
4725510c47316a7f86b39c08d0a6c197

SHA1
436540f94969b934953aa6c4fabf7306cccf682a

SHA256
a40d793074fcc8d77eb29a3e3492cb553d1fa7986b8f9baa87778e13b137b1e1

SHA512
710a72ed773be382226609e9699c6467736f8bd5f7af3d393ba2f7123474478552f7029648c2ba0a8da8a352fcf24f54268355923e315b664442f2efe2fc5088

Download Submit
memory/2172-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3912-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3912-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4956-43-0x000000005A600000-0x000000005A698000-memory.dmp

Filesize
608KB

Download
memory/4956-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4956-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4956-44-0x0000000001030000-0x00000000028E5000-memory.dmp

Filesize
24.7MB

Download
memory/4956-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4956-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4956-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4956-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4956-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4956-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4956-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4956-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4956-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4956-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4956-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download