73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
max time network
298s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
21/02/2024, 16:30

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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
1640	b2e.exe
2740	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2740	cpuminer-sse2.exe
2740	cpuminer-sse2.exe
2740	cpuminer-sse2.exe
2740	cpuminer-sse2.exe
2740	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2492-4-0x0000000000400000-0x000000000393A000-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 2492 wrote to memory of 1640	2492	batexe.exe	74
PID 2492 wrote to memory of 1640	2492	batexe.exe	74
PID 2492 wrote to memory of 1640	2492	batexe.exe	74
PID 1640 wrote to memory of 1464	1640	b2e.exe	75
PID 1640 wrote to memory of 1464	1640	b2e.exe	75
PID 1640 wrote to memory of 1464	1640	b2e.exe	75
PID 1464 wrote to memory of 2740	1464	cmd.exe	78
PID 1464 wrote to memory of 2740	1464	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:2492
- C:\Users\Admin\AppData\Local\Temp\7B3B.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\7B3B.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\7B3B.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:1640
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7D7D.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1464
  - - 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:2740

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\7B3B.tmp\b2e.exe

Filesize
8.5MB

MD5
ab938a10f588fbaa152af831598af6ff

SHA1
6e6b27f8c4b43aaafbd00c02f2175b1177a3c6bc

SHA256
a0233bb43aff9fcda35799aa33c31ce2c8c448b0d17f311b9f31037391e818fc

SHA512
79b999e7493adb5a1869a5375a0cd7f2cbb7ca78567aa066509c9a4c93a88ac9e9453ac0214ceef915fb9f481e3d632304177f0a4b84f0c4e0d1fba9c98424aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\7B3B.tmp\b2e.exe

Filesize
10.5MB

MD5
a8f2f3a5f01e46423205c3d9413ed802

SHA1
5d91ab89eb51b60f1566946061303002dd87eba7

SHA256
1e7c240fc72e2995a6379462d230e0991c8b1ec07fd04af79853c2e1c11e9df8

SHA512
1f5cfca865636ed9d7e1e5084a16cf3ff7d4b0d3299fe7caa28707d4dc32c3a831567293fff91309d76ed67be04cf6fe7f57aabf6381015a3fac044dc83897ef

Download Submit
C:\Users\Admin\AppData\Local\Temp\7D7D.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
4.9MB

MD5
124144a7cf23b037a7378513619b54a2

SHA1
122c12a0be78d81b9d00bf26099858219b77bdf7

SHA256
a69384cfa8b79ab333a8a685c2cbefbb277b59946710b3e2faa65b17bf5af6ec

SHA512
d1aa6f0ef6b8ff628d5413a91215718a7788530bd866c5ca6758e4d73c20286a028d8fbbcf796ff45734c44b57695917c03d893f8378882374bd9aff2f798a9d

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
6.0MB

MD5
448b922b906cf4b70f79b340672d36a8

SHA1
c423558ffe978f655df5eeadf8c6eb5bd611fe13

SHA256
188a154b7db63350021ccde59624e7655a1dea3c929e6ed7da86f35088bc07de

SHA512
3f376c0526b869f712ee71322aacb35e22725be9fb28a5a29cd4093df2ce8f4eb2ea575217d024da179ff9cdfa69447418d52903702597b71bee8cee188f1ada

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

Filesize
7.9MB

MD5
2c09a33983b163eaac704f82037a20f4

SHA1
f309a345774373fa1edfc58b0e77417254847a4e

SHA256
8ccd1d847ff6a2764f91a0ad9f625169c2b079381ce75564d72b643730cf3426

SHA512
1f36d77c6f114d5e50efb5511a5afb3e5f8069f8f93d6d2f6c44f11a8c8b9a87f47fea8ddd47107b82882cbe83c20be77725f230314f700a62cfff4b24df8c0b

Download Submit
memory/1640-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1640-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2492-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2740-42-0x0000000051BB0000-0x0000000051C48000-memory.dmp

Filesize
608KB

Download
memory/2740-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2740-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2740-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/2740-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2740-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2740-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2740-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2740-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2740-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2740-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2740-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2740-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2740-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2740-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download