73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
299s
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, 09:41

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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
1876	b2e.exe
3944	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3944	cpuminer-sse2.exe
3944	cpuminer-sse2.exe
3944	cpuminer-sse2.exe
3944	cpuminer-sse2.exe
3944	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4552-4-0x0000000000400000-0x000000000393A000-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 4552 wrote to memory of 1876	4552	batexe.exe	73
PID 4552 wrote to memory of 1876	4552	batexe.exe	73
PID 4552 wrote to memory of 1876	4552	batexe.exe	73
PID 1876 wrote to memory of 868	1876	b2e.exe	74
PID 1876 wrote to memory of 868	1876	b2e.exe	74
PID 1876 wrote to memory of 868	1876	b2e.exe	74
PID 868 wrote to memory of 3944	868	cmd.exe	77
PID 868 wrote to memory of 3944	868	cmd.exe	77

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4552
- C:\Users\Admin\AppData\Local\Temp\CA07.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\CA07.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\CA07.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:1876
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CE5C.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:868
  - - 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:3944

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\CA07.tmp\b2e.exe

Filesize
192KB

MD5
6ac4b534a8945150025756c2f85dd2d4

SHA1
4f8633cd78b9248d5885e75ff1b26ef27a196ad1

SHA256
2e07e008a86c33e31905b1f49b18245261ad08ed3463c6750d63502e1e20e43d

SHA512
303f0cd104441235da58583af1597994df43d0a2d55d6245e89fc7d8f2509915525925277636214722e922f2939c93ba95627d54a18105d6cfa8e606b2f3c172

Download Submit
C:\Users\Admin\AppData\Local\Temp\CA07.tmp\b2e.exe

Filesize
12.1MB

MD5
961fa5419431cc6d6d8d0a07a9e4edbe

SHA1
682cafd1d67e89e015703bab6e113a44464e4b2d

SHA256
efcfbfdaf3598f073904b3222f6e4f970bde5c2cfa2c3f008ac61bcfbe387933

SHA512
9321939e123b3103d0b491ad21f60218721bc3857551d548068b48316ea04f89286999f93242c2c666df769a260b88f8a464b9204c61ae402c5e250e531abc53

Download Submit
C:\Users\Admin\AppData\Local\Temp\CE5C.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
9.4MB

MD5
02da828512dcb8d69298b03e0f3dc323

SHA1
6214db010af460b5584f40d49119c0788cadb695

SHA256
37e5e2d07f6cbd0d99c716e988286d4d6e10bb58d3d8205790935c2bcca85178

SHA512
de528cf7d3941245e9b917899864cd5b687a868c13dd7dcdb8124151c88ee63ca8da941d1df70def34bd608c83837dc07f5c1f7e96259507d1ae2532e6ce1ea0

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
13.6MB

MD5
8aaadf460c51fb65bde892946657020d

SHA1
be016072087e52a42e1a4ba91c48bdf6b068adfd

SHA256
bbbd3c38f8a76bf0e670f5d5afdc466752334762e60ecac9d37f07b7145db3ff

SHA512
7b9f2b892753a48d74e2a6369e90102108eccb6ad7f4b16fdf5869d68c29952a767b6ade691e3740b868e5cd52cce92ed413d2d37a3c2575fcb0a9aedd9f5f1e

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

Filesize
10.5MB

MD5
f13fe95f84d106b977c476b4f1916819

SHA1
940f2188a2f7cb0ef23338c388440f15cabc59bd

SHA256
b54336d3b9976118d03a8b59244efc282d274338876ea917ef79f769fbe6be32

SHA512
c335d7c62804432c2373f39146beda4b4529ba500a4302b96b9c8a192824ba3057c5eaee5f9a503363dda73df3b52cf2f4133833b830ca068f6c98af1ce68737

Download Submit
\Users\Admin\AppData\Local\Temp\libwinpthread-1.dll

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1876-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1876-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3944-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3944-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3944-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3944-43-0x0000000076E50000-0x0000000076EE8000-memory.dmp

Filesize
608KB

Download
memory/3944-44-0x0000000001040000-0x00000000028F5000-memory.dmp

Filesize
24.7MB

Download
memory/3944-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3944-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3944-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3944-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3944-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3944-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3944-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3944-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3944-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3944-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4552-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download