73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
297s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
18-02-2024 02:01

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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
972	b2e.exe
1956	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1956	cpuminer-sse2.exe
1956	cpuminer-sse2.exe
1956	cpuminer-sse2.exe
1956	cpuminer-sse2.exe
1956	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/308-5-0x0000000000400000-0x000000000393A000-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 308 wrote to memory of 972	308	batexe.exe	75
PID 308 wrote to memory of 972	308	batexe.exe	75
PID 308 wrote to memory of 972	308	batexe.exe	75
PID 972 wrote to memory of 5084	972	b2e.exe	76
PID 972 wrote to memory of 5084	972	b2e.exe	76
PID 972 wrote to memory of 5084	972	b2e.exe	76
PID 5084 wrote to memory of 1956	5084	cmd.exe	79
PID 5084 wrote to memory of 1956	5084	cmd.exe	79

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:308
- C:\Users\Admin\AppData\Local\Temp\926C.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\926C.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\926C.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:972
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9451.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5084
  - - 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:1956

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\926C.tmp\b2e.exe

Filesize
7.6MB

MD5
4b16df8083c5559697455865c1994853

SHA1
554e27a108ac02989f1cc1a165275a3929dc7579

SHA256
ec3d5334b4c39b09c1c3af91cff92d2f84957b79b2daf8a7c58da49b4e354427

SHA512
abfaf494c3e12764c63f1422c35a5d1c50721c77b75c7d3901daa60f44b57344e16ef2ab14a7875259557a9b1d6dd4ef75377ab1ac1f926341bee76af1cb78a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\926C.tmp\b2e.exe

Filesize
6.9MB

MD5
af408b23fb68a72b39c093c225604cd9

SHA1
6fbd39519b45820c829144703f724698d3bc14e3

SHA256
bea5cc0179a71e71b0ae296d28d8fcaf0ffcc2147cc1e5851b160745af5cb8ec

SHA512
26d74bfcc22041a312d81e65f55b9fe2d51475a4b052f4211362d38894bb625918453118cbb75618e5593b104daf7b05fe8cc8144e5da3028c6523371ca5b472

Download Submit
C:\Users\Admin\AppData\Local\Temp\9451.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
6.5MB

MD5
610a20229a0ae1b24c22a86c48ce9b81

SHA1
93fe60692f94e2573f556b3b2ae7ee5f53efad50

SHA256
11c8275a4966296172cb11ab4f309dd367c5879a8bf2d0d05c0b49ca2ac70b68

SHA512
eefad522e6021f42335d23e18f453683147ee517cd6e44e6c69b6510ef528eefe4331d059889061fcee5c8530e040c39afa0a421e17d6bea4c0c7ce79434bec6

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\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
6.6MB

MD5
29473cdc3a2d8e227210aeff3c3e78de

SHA1
5edaab1fc427ca9f1cea5075e20785cfade31999

SHA256
84b1c6858abdf6ebc2e9761b05f9b45aa3b89b8de1bcf33c3fbb3c6454dabd1c

SHA512
bebf697641fff24ce94ec3b788825d1aa605b44a3bd842b350217c573d02701f0f509076c14eca213dba641f7449961618a09b263fd4cd1081253172765150d1

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

Filesize
7.8MB

MD5
e15efa0c5eeb42917ca079472fa0fcbd

SHA1
3938acfe51686604ae60ca38c33bccd816aa8959

SHA256
de6f23a50a5811e9694f6a5ee8e1870255e5ed67d0a95b12b220cdc5019025e4

SHA512
9177ed9371f1bbc55f1c16a3d2042b11ce846d6c734142e343cbbaef35214cdff0a98ae1ed199ce1b76ce0b5fbc57c0cd2afff4c220d2bcd36dcf423a255f9bb

Download Submit
memory/308-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/972-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/972-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1956-43-0x0000000065D00000-0x0000000065D98000-memory.dmp

Filesize
608KB

Download
memory/1956-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1956-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1956-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/1956-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1956-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1956-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1956-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1956-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1956-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1956-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1956-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1956-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1956-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1956-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download