73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
298s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
14/02/2024, 06:19

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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
2380	b2e.exe
4444	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4444	cpuminer-sse2.exe
4444	cpuminer-sse2.exe
4444	cpuminer-sse2.exe
4444	cpuminer-sse2.exe
4444	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3044-5-0x0000000000400000-0x000000000393A000-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 3044 wrote to memory of 2380	3044	batexe.exe	75
PID 3044 wrote to memory of 2380	3044	batexe.exe	75
PID 3044 wrote to memory of 2380	3044	batexe.exe	75
PID 2380 wrote to memory of 3932	2380	b2e.exe	76
PID 2380 wrote to memory of 3932	2380	b2e.exe	76
PID 2380 wrote to memory of 3932	2380	b2e.exe	76
PID 3932 wrote to memory of 4444	3932	cmd.exe	79
PID 3932 wrote to memory of 4444	3932	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:3044
- C:\Users\Admin\AppData\Local\Temp\9AF8.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9AF8.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9AF8.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:2380
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9C8E.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3932
  - - 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:4444

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\9AF8.tmp\b2e.exe

Filesize
8.6MB

MD5
525f5e31a13aeceeb028b529cc8d5f37

SHA1
35df374eb50efdebacc979601bee6dd43f7ad6d0

SHA256
ddeccd1cabd8d6c2c8105ac6ae81406f5baff730d9582b05f3fc8548a87f4c95

SHA512
607da0702e00b4c5f5fc1881c11bc875320640b1444c149ae2ed0243878d95d607ada266efe5b609f8706d3a6156584b154b4ff094e036314d7748376d9e5698

Download Submit
C:\Users\Admin\AppData\Local\Temp\9AF8.tmp\b2e.exe

Filesize
7.4MB

MD5
9c95527264155f9f20a5c6d907ff984a

SHA1
3967c317586d2aea21979ecad7678e13c8ad64ea

SHA256
dace9d5a98cef085ce0572ce1171b1e2b895178478e0d9968ad5c4e0d7e20ec3

SHA512
cd42908d03b046400c6e90b2936580355fd1dbf79923e12e49902dd45f15936b7077057d1c4dcbcdb2b28bcfc21c7ec5ff07ca216c94880f17cbf74a5bc469a9

Download Submit
C:\Users\Admin\AppData\Local\Temp\9C8E.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
3.2MB

MD5
4ba51089667cd8c67341b5a56764f8b9

SHA1
ea6e08f35e291db820f92fafa7d9c6afdd594479

SHA256
36ead973ad142c587f1bb8a9743764a656468ccd20745fd136e9715845a60db8

SHA512
c64a160a128d5fef5fcd8e79ac736f2eed7c800adea4d39d312f6e960af1b4aa3ae62d761bc03c19c19903545698def4133e54027a0f3d1d09a90e03d66848a5

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
7.1MB

MD5
8cba771c1fadb93a820355abb098656f

SHA1
1a389245095bf21233a723e1075e26a10cc602f7

SHA256
a139fa2e91bf187ff845d4f318b90e5d8231951235fb649cf5f47c2cd7b0597f

SHA512
7228a6d79f2b5997032ec4e2b70b6695bde09f83eee207efcb7ac1d88c137819b926e20927b0f49ff63e38a2cf063b793af24f19f6048c042888b25f70bcf69a

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

Filesize
6.6MB

MD5
fa98f7354c21b1c9cda2fceec2764666

SHA1
abd52dfc1384544e76efc4f71effe5c72e97c43d

SHA256
e173732a56fded5fffb8d9ab13d60eefa20f1c574ff32edbcf93992b7aa617e6

SHA512
ec47c9eaec4544448f7c1cc9b247f99d385e4601206a559b9eb0589410927a8e17098b659ef2554b6970da48dee18e350bf702a274e3cfb5b8cc188214e55e75

Download Submit
memory/2380-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2380-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3044-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4444-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4444-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-43-0x0000000068180000-0x0000000068218000-memory.dmp

Filesize
608KB

Download
memory/4444-44-0x0000000001160000-0x0000000002A15000-memory.dmp

Filesize
24.7MB

Download
memory/4444-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4444-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download