73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
299s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
11/02/2024, 13:44

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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
4372	b2e.exe
3408	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3408	cpuminer-sse2.exe
3408	cpuminer-sse2.exe
3408	cpuminer-sse2.exe
3408	cpuminer-sse2.exe
3408	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/796-5-0x0000000000400000-0x000000000393A000-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 796 wrote to memory of 4372	796	batexe.exe	75
PID 796 wrote to memory of 4372	796	batexe.exe	75
PID 796 wrote to memory of 4372	796	batexe.exe	75
PID 4372 wrote to memory of 2908	4372	b2e.exe	76
PID 4372 wrote to memory of 2908	4372	b2e.exe	76
PID 4372 wrote to memory of 2908	4372	b2e.exe	76
PID 2908 wrote to memory of 3408	2908	cmd.exe	79
PID 2908 wrote to memory of 3408	2908	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:796
- C:\Users\Admin\AppData\Local\Temp\A25A.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\A25A.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\A25A.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:4372
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\A43F.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2908
  - - 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:3408

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\A25A.tmp\b2e.exe

Filesize
6.2MB

MD5
d5fb5c4dca0c6da46b51ed4d419d6595

SHA1
8823915375e4279a74349b16fd7381eb4d30f6fc

SHA256
399d4c42f594627d893c82af357a4b2ef7a125236fbab80c5f77783317cbc129

SHA512
8edac651c64ff7111129b1f646938268025b25bb78d9599d4de4693a33a7aaf23d845152c7e27971dd7846841e5b691fa82b74ae3a5e817c2c2238ba36d1de42

Download Submit
C:\Users\Admin\AppData\Local\Temp\A25A.tmp\b2e.exe

Filesize
6.9MB

MD5
78dc199d3e0d7c271149eee02a9bdc9d

SHA1
3725306cb12a7dd4100ec854633acc4bd88b66ab

SHA256
1f3856fb98a6ec727893cf4b9b2f6637d66f7cdfe1fc214f58a2e31f630f3074

SHA512
9885e4d0b36509d356cf77758721a67ef91550a07924c112a94b7f97fcb13d298550e1abadcf54108d2732c3f1ebad3ab9f5e436c2f4e20bc47b848680f82bdc

Download Submit
C:\Users\Admin\AppData\Local\Temp\A43F.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
3.0MB

MD5
2a1855171058e969f2055946a8122703

SHA1
e63493ef2dc5650e9b5875ad08aa05a2719a2dc2

SHA256
825a40d35680bdd6e96ccf1d80e9a38fcec5cefd4cae7246bf0eb154f3cec48b

SHA512
dea4953cafe8b8d0a0c00bd4f293aca5e3896fce062fe2633a5a9acacce39150e880e3068a7fb98ad42c10a9542702092689d34d6a6d62b163c8a7907d5b07bb

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
4.8MB

MD5
b8d1270c0ab24c76fa7edca01c17e5c8

SHA1
4c6e4f82f324bba2449aa3ecc323493c0f3e839b

SHA256
f08544a2ba956ffecdde12cd94c5ba106c8dadb05f2cbed214ebd0605e235755

SHA512
e80acd6899f22f1ae41a2ed1b831386a1e05e43573ea90238c21978062e6b80b56d85c5913484fe166fb9d226177421c6e4fd821972af13f9bb84d1c3a9649cb

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

Filesize
3.7MB

MD5
47482289d28816fe7af8917ef678444f

SHA1
90dbedfe99a17e1acca2605080891f985384462f

SHA256
8e43e1ea7bcf8fa7d774d4a9affb782ebcecf57799f7c85f5c617bdb0987d509

SHA512
cc785130425b4c04a9da118a48d7db0d832bd66dad14596fae26b530d64a28811f00add4bee3f2148be343e979a1ee2a24500be8954bacca637d29ab52c77e8a

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/796-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3408-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3408-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3408-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3408-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3408-42-0x000000005FC70000-0x000000005FD08000-memory.dmp

Filesize
608KB

Download
memory/3408-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/3408-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3408-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3408-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3408-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3408-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3408-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3408-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3408-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3408-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4372-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4372-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download