73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
299s
platform
windows10-1703_x64
resource
win10-20231220-ja
resource tags

arch:x64arch:x86image:win10-20231220-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
14-02-2024 05:53

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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
1308	b2e.exe
4236	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4236	cpuminer-sse2.exe
4236	cpuminer-sse2.exe
4236	cpuminer-sse2.exe
4236	cpuminer-sse2.exe
4236	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/220-6-0x0000000000400000-0x000000000393A000-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 220 wrote to memory of 1308	220	batexe.exe	75
PID 220 wrote to memory of 1308	220	batexe.exe	75
PID 220 wrote to memory of 1308	220	batexe.exe	75
PID 1308 wrote to memory of 4876	1308	b2e.exe	76
PID 1308 wrote to memory of 4876	1308	b2e.exe	76
PID 1308 wrote to memory of 4876	1308	b2e.exe	76
PID 4876 wrote to memory of 4236	4876	cmd.exe	79
PID 4876 wrote to memory of 4236	4876	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:220
- C:\Users\Admin\AppData\Local\Temp\98A6.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\98A6.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\98A6.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:1308
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9AF8.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4876
  - - 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:4236

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\98A6.tmp\b2e.exe

Filesize
13.1MB

MD5
bae1e15cc30205bd30d9fbfe37e95048

SHA1
503f85f16a45c114672947463d89badd8a6fac4f

SHA256
5667bdc516b75842b8a126a0f915ecf9264c2cae1597e4d75a342c6789ff40de

SHA512
29379e0be71f555d25f83a072ebc14c4d0d9efc081a194829878db86dba35339129acec405449a31b9f2d0d555dad5dc1e2710d51c71a4c7a97b46abac71e852

Download Submit
C:\Users\Admin\AppData\Local\Temp\98A6.tmp\b2e.exe

Filesize
17.1MB

MD5
a62e1e97b2cd2434e8d99cd77f5cb3e2

SHA1
eaf7dcbd795580cd73a6efe3084dcf7d799bbd86

SHA256
60da7cde3ae617776b74da01fa77e899cb42f15d61ca186ef176f9a6f4e95f34

SHA512
2c8f4b0260eb1175bb9aa3b1adc17c457df464348b213b24a48a0c66e2d9c869dc6c97ce94e643e3eb322d2bf22848ca3629aa027ad5c09e8743c04bd7c42c72

Download Submit
C:\Users\Admin\AppData\Local\Temp\9AF8.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
9.0MB

MD5
96ccae81f23fd337f279094801e49b48

SHA1
1fc0a0fc76c080ab2e398f83e9777bd85a1ae5f1

SHA256
6e2a6370674c4b1efb5bc264874a43ec24ee2de7a69ec51c8f82cfe1b605023f

SHA512
cec0368e1296fdae6804406f4884f166aa8d8bbec8c74a2ba91e8207934e61c7d9757c961ee65b99e6d3837a833ad98ba2e41a53ac56c56346f8c67a8b8f9c80

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
11.4MB

MD5
3b034a7bdbd947bf40cd9084681e0ecf

SHA1
63d9c895133eb25a756b48e34081cd7bb8af4f69

SHA256
1681cc0a5a2a2f87064be39df091d3c7328ad37ad4b79f441f51e797f1b8dccf

SHA512
aeea374599a578a4051d04d0e4a9087c795e7176b4ab0cfc7e9da5b309811504fdfbeb4d7e2e8d94bcb9e7487ae92247f88235c48a5ecc36f40281807784354e

Download Submit
memory/220-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/1308-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1308-51-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4236-41-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4236-57-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4236-43-0x000000006FC40000-0x00000000714F5000-memory.dmp

Filesize
24.7MB

Download
memory/4236-44-0x0000000000F40000-0x0000000000FFC000-memory.dmp

Filesize
752KB

Download
memory/4236-45-0x0000000059A30000-0x0000000059AC8000-memory.dmp

Filesize
608KB

Download
memory/4236-38-0x0000000000F40000-0x0000000000FFC000-memory.dmp

Filesize
752KB

Download
memory/4236-52-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4236-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4236-62-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4236-67-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4236-72-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4236-77-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4236-87-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4236-92-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4236-97-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download