73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
296s
platform
windows10-1703_x64
resource
win10-20231220-ja
resource tags

arch:x64arch:x86image:win10-20231220-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
13/02/2024, 12:27

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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
2784	b2e.exe
4752	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4752	cpuminer-sse2.exe
4752	cpuminer-sse2.exe
4752	cpuminer-sse2.exe
4752	cpuminer-sse2.exe
4752	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4496-4-0x0000000000400000-0x000000000393A000-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 4496 wrote to memory of 2784	4496	batexe.exe	75
PID 4496 wrote to memory of 2784	4496	batexe.exe	75
PID 4496 wrote to memory of 2784	4496	batexe.exe	75
PID 2784 wrote to memory of 4852	2784	b2e.exe	76
PID 2784 wrote to memory of 4852	2784	b2e.exe	76
PID 2784 wrote to memory of 4852	2784	b2e.exe	76
PID 4852 wrote to memory of 4752	4852	cmd.exe	79
PID 4852 wrote to memory of 4752	4852	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:4496
- C:\Users\Admin\AppData\Local\Temp\9143.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9143.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9143.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:2784
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9328.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4852
  - - 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:4752

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\9143.tmp\b2e.exe

Filesize
9.9MB

MD5
09715fdaaaf8c2663ac65d82cbe69a3a

SHA1
6b845cf1001ae367dd94ca6b13324fc8362cbfbf

SHA256
884180ae768c0de75e4d74b262a48fa3be23432f848bdffdb1bc41d66dbea15c

SHA512
671946fae2a387b95824a81324730473418163a3b2b086db78c3be223b1bc169856ce814b1ac1a2957aa33d797ca8dc0965578f44aa8100069e6d979282acc35

Download Submit
C:\Users\Admin\AppData\Local\Temp\9143.tmp\b2e.exe

Filesize
12.8MB

MD5
4c1a6db868feee5a2f404a6e3954cb40

SHA1
910de41704f2aec48a44a263ad5fb016793837c9

SHA256
36dc1d032a5eded423697ea7876e89f842c20abf1846a4906acac19595837156

SHA512
dbcec88c9e28be014723ff2b6765fb40134199581ccc3d1912173da4f3e2569239eddfdc141db8f963c0aa0a2824eed0871e9b449b7f40b557441b222051777c

Download Submit
C:\Users\Admin\AppData\Local\Temp\9328.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
8.2MB

MD5
28891bb36ee57f85c83cb0e6e06ae2c2

SHA1
b4c260d59aa76c4436825a9a408f2889506edd83

SHA256
18b56a02fa4d289f708cd3d40941437f81293c1caa53f7de7b45a142cfe5aa7f

SHA512
ffe486cf852f0b9661470de0e5ffa6e437714d75635d882a44149308744bc8d2e14cb6be51d2047c2cf06f19be257b17c90b89f7a8edd2496eccc481a8a9539c

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
9.7MB

MD5
4402a102db09db28f6fa5e252c1cc08d

SHA1
6edfe8a912c0ec8c72be5eede97f7ccc81735907

SHA256
b2c3206afca21f48feb8cc281b9de32dc160fe6b6571a971f93601cefa486743

SHA512
9dae93cac1375ac5348b50ab27addd1edf91a86989dad327a9e8cc22ac1f45ff001a1c93c85d5a9ecc3eefcddab280e88cc4b6ce83cd0814c6dee43d22043b97

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

Filesize
8.9MB

MD5
890571fa66744a9f11212cc4b066117a

SHA1
d3dfb03066703afc5bb261bf27d74c7f0bd64dd8

SHA256
6330dff37947ae7af401486b5f826c4c1620b12429999854070a6b95b00ddee8

SHA512
378471b0cabb3b2a428a9b709c26421474d261a1db28364b34d37771540bf3e07dc7784b31d63265ffe24fc50f98bb4a92bdf9b4774ba6167c52b4f75ac1a1de

Download Submit
memory/2784-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2784-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4496-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4752-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4752-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-43-0x000000006F0E0000-0x000000006F178000-memory.dmp

Filesize
608KB

Download
memory/4752-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/4752-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4752-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download