73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
299s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
23-02-2024 18:44

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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
2400	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/192-6-0x0000000000400000-0x000000000393A000-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 192 wrote to memory of 2400	192	batexe.exe	74
PID 192 wrote to memory of 2400	192	batexe.exe	74
PID 192 wrote to memory of 2400	192	batexe.exe	74
PID 2400 wrote to memory of 3340	2400	b2e.exe	75
PID 2400 wrote to memory of 3340	2400	b2e.exe	75
PID 2400 wrote to memory of 3340	2400	b2e.exe	75
PID 3340 wrote to memory of 2232	3340	cmd.exe	78
PID 3340 wrote to memory of 2232	3340	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:192
- C:\Users\Admin\AppData\Local\Temp\7A31.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\7A31.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\7A31.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:2400
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7C54.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3340
  - - 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

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Downloads

C:\Users\Admin\AppData\Local\Temp\7A31.tmp\b2e.exe

Filesize
6.6MB

MD5
609fa9202df166836f957616763a5eb8

SHA1
d0686a57537d1d432edc6ab874e07affd9bdb356

SHA256
9c1d11dd10e448a7eb93d49cb4dec2a899001ab5d18715e1c502c86f4b167fce

SHA512
2278172643ff6a50ba9d3c0038e002b22614fd278d49c6b3df3eb277b84ee0c8cdfdbf0c0e8cd1681eed4a78ae20fdbdb4cd3cc20fa20848cec601d29a24072c

Download Submit
C:\Users\Admin\AppData\Local\Temp\7A31.tmp\b2e.exe

Filesize
6.2MB

MD5
3895d468c971fc0e777c38eefb977764

SHA1
d2ce65cd94478bda13e72418cf85745bc0692553

SHA256
fbe733c6b15d866887417f3e614391b18f5bf19b20b65c3217ce574191334dfb

SHA512
a1fe8060b1c885ae7a573e27f5a1bc016090a66c32f903af8e9cca4a4244e169113006970aedd276a60236b502c766746133bc490c948ce49a44b5b507cb4a51

Download Submit
C:\Users\Admin\AppData\Local\Temp\7C54.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\libgcc_s_seh-1.dll

Filesize
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

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

Filesize
3.0MB

MD5
0086ba3a5a2e9fdde5bfc48f65ecfdce

SHA1
b85cec2e09fe4aca6a6235e269050916459617f0

SHA256
bd8d8ca19576f593d3596171a4e36175684f7e249ffa84b17c99e8a0c49e59b9

SHA512
4fcaff0dfc75161290445566641905f8268ebb3d7b548285497aa0b7e39089f134bbc6fd806a267e82f2242ab8e7aef598e6bddce02080cfce5db2bafa0d4026

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\libstdc++-6.dll

Filesize
3.4MB

MD5
8f4730521699215ef0a86d5ef7ae6305

SHA1
d6168b0289326a31ea08343bcdc373e7acfbe21d

SHA256
768bcc32d9bba072e270aba547d24b547ccecf5783a37d9c07c3003b12ad460f

SHA512
96c4a1b0d8e053c0446ad57eba72f3893a44d714e0e9fecadbaac5aae743d63795cd817967607ca3d5f3886ed7a6c5434758a332c8a8a21f84542dfa40de3ed7

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

Filesize
3.1MB

MD5
71fdfd0a38cedee8ce8b383bb04a0877

SHA1
895bd5afb01ecc03a4296c8abb5495d2b5798e63

SHA256
f4166de78732ab166e5b6cc0511937d2af07c72de0839306dfd32d4c1ceba4c9

SHA512
90bd9898b091d7660e39832397800ac04727f33ecb897b6d479efedfb9bcd0a8a716500e61fad1a92049b887c283b206c97c2b5020f1f7cdd7550b4f6b0d97e1

Download Submit
memory/192-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

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

Filesize
2.4MB

Download
memory/2232-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

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

Filesize
752KB

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

Filesize
2.4MB

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

Filesize
608KB

Download
memory/2232-44-0x0000000001020000-0x00000000028D5000-memory.dmp

Filesize
24.7MB

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

Filesize
2.4MB

Download
memory/2232-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

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

Filesize
2.4MB

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

Filesize
1.2MB

Download
memory/2232-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

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

Filesize
2.4MB

Download
memory/2232-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

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

Filesize
2.4MB

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

Filesize
2.4MB

Download
memory/2400-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2400-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download