73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
max time network
304s
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 17:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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
2404	b2e.exe
2232	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2232	cpuminer-sse2.exe
2232	cpuminer-sse2.exe
2232	cpuminer-sse2.exe
2232	cpuminer-sse2.exe
2232	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3540-4-0x0000000000400000-0x000000000393A000-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 3540 wrote to memory of 2404	3540	batexe.exe	74
PID 3540 wrote to memory of 2404	3540	batexe.exe	74
PID 3540 wrote to memory of 2404	3540	batexe.exe	74
PID 2404 wrote to memory of 3544	2404	b2e.exe	75
PID 2404 wrote to memory of 3544	2404	b2e.exe	75
PID 2404 wrote to memory of 3544	2404	b2e.exe	75
PID 3544 wrote to memory of 2232	3544	cmd.exe	78
PID 3544 wrote to memory of 2232	3544	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:3540
- C:\Users\Admin\AppData\Local\Temp\7B79.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\7B79.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\7B79.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:2404
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7DFA.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3544
  - - 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:2232

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\7B79.tmp\b2e.exe

Filesize
10.6MB

MD5
d2713ce8cf1f36113cd3e2d8bb2a059a

SHA1
85feb79b4ea42ca55adeb0889d415be42cd091c5

SHA256
d8da87835dd34a5c20345656fe31958c5a7680d42564137f189f1a0d04deeb73

SHA512
25e6303d8c1cd4e44a5a1b2cabfe2fcc921587a4889cab2eaf70f0e52e6037621305a9332b41d227a7406b25a3054b23bc8ed0327a5f02e6058a2fa9e9d91b2e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7B79.tmp\b2e.exe

Filesize
11.3MB

MD5
1265d469f6b184a27f0492b6100099a2

SHA1
c70556aa1f914d0d75c7cd9d6c9de720e3bfbc19

SHA256
2e15d6450441b42018efd8d97247b17a86fa13d04201e8b0c65886afa7920e66

SHA512
647c4c2d45d418b4b10fe001fba1b641aa84c45f511c8f4e8a6bb6a5a693888a6d2afce625a7c5648b96918fdcd7701dc32ea2b492657734acb3eafb41f50588

Download Submit
C:\Users\Admin\AppData\Local\Temp\7DFA.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
1.9MB

MD5
961cc38fbb4816d30dbaf883f44e8d61

SHA1
f835395b707af685147d3f751e31477d9893a641

SHA256
b3e66656c25557afc1a329d2ca5c046de269b3dda7db969a51885e68d8184d7a

SHA512
5c492318d9f87bdff9020977055c167e4eef33b52fe936f481f5c37860cd2209b8c71dca000d218f7386246c40c84ba10cf120635664a69db1f8fc0c0c9d3191

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
2.2MB

MD5
8439fda05f9fb61f13d80ccb22929f72

SHA1
f2f551aa3337a2f1b79bb2bc594e7c87e3de194c

SHA256
4aeba3212e1e31f16f2552c3af0ff4b3e86c1d6eb30b6d1ca0b47c0a5db75382

SHA512
570428b48793a367b7432ce1b20a00333b235830723bd9ae81f86b93b320614f7a2d9831995c84a0672e1f7a2d849c1e679da0ef218d3a2bba07b87025f63bd3

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

Filesize
3.4MB

MD5
c280cb57034f7c85dd63a952b5de60f3

SHA1
f25e6d03734e4bc4b02184a25edb1265731ebb7a

SHA256
2bfe171b03e787c996e51fbb88ee5744b368a8a56800fab2198bde2887f7d931

SHA512
78e662e4d8ae1fbf86ce3287dddbcfd17115f0daac6cad763766efe142ef25c3f9a7c2eb10305636aa8f0d0c2392b57d5eed489044a248631f510a3a8a8ed42e

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
2.0MB

MD5
b53e212423ce09a20a7f4461f9cd98a5

SHA1
4bc11ba3fc0436e26a676040847924cbf72664ea

SHA256
e0fdc3d61e2ea8a984bc109aa7d3922d72c57cff0625d04f0b911ce6578326db

SHA512
55a3adf1186d6d4ed68edab23832c314c93d92a16e9c1e354c64b791e2d1ac81cad52bf360bdbb50b01f1ca9fd6e545d885a56e6a96053827e41eb5f39d50187

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

Filesize
1.8MB

MD5
ab2c2233ec3cc47dafc939e288e81ba8

SHA1
45a8dbc2372da16b50aa6ec9f4f265aa09bfe9fa

SHA256
cfa1f2084c271f627dae3076753013ee6efbd4cb3e52fc990593f004abda93d1

SHA512
83d31f0ee7ee2c6cbbcb915d645e997e4e8e7272550fb24cf60cc79a5534cf20850d2c944653dc16949b015c178e30e67d586d6317847e060010c1ed39f060e4

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2232-43-0x0000000064A00000-0x0000000064A98000-memory.dmp

Filesize
608KB

Download
memory/2232-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2232-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2232-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2232-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2232-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2232-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/2232-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2232-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2232-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2232-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2232-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2404-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2404-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3540-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download