73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
293s
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, 09:13

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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
2304	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/3044-4-0x0000000000400000-0x000000000393A000-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 3044 wrote to memory of 2304	3044	batexe.exe	75
PID 3044 wrote to memory of 2304	3044	batexe.exe	75
PID 3044 wrote to memory of 2304	3044	batexe.exe	75
PID 2304 wrote to memory of 5060	2304	b2e.exe	76
PID 2304 wrote to memory of 5060	2304	b2e.exe	76
PID 2304 wrote to memory of 5060	2304	b2e.exe	76
PID 5060 wrote to memory of 4444	5060	cmd.exe	79
PID 5060 wrote to memory of 4444	5060	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\9B36.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9B36.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9B36.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:2304
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9CFB.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5060
  - - 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\9B36.tmp\b2e.exe

Filesize
13.2MB

MD5
3b520db63761417ac66f318b6a9e4533

SHA1
d155f6e55bd3f32c51efbcf4b95de42cb2f10777

SHA256
e87115bfc6095d8a0f6d04def6240b7ec2fad2653a35ad38038fbad1317eea91

SHA512
cf9798d6bd4e955bb07df20c896d03ca8a836ce0c7d0aff8668a5aeb69888386253777f8115ff8406af0b1cddb6926986ba6911235404fb607f471c287bdd38c

Download Submit
C:\Users\Admin\AppData\Local\Temp\9B36.tmp\b2e.exe

Filesize
15.5MB

MD5
a9199fc81defacfa5cb3024c85118082

SHA1
2de4af47d6ddead84f4be13b890ecd893e7c5214

SHA256
4d32d5c82cd17274577f8dea5085fb56e73c71e9984f2cca2033bde224386d49

SHA512
ccd875d108a58284a97a18ac8d5415e8a23cf44c7c9afffe8006fba100bf2504e291d4ae020f4ea47cc231cc20dd62c517fee59f626abeff1e6f82a81700e55a

Download Submit
C:\Users\Admin\AppData\Local\Temp\9CFB.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
9.9MB

MD5
cd0aa66683845f93e06678dab5b25aa3

SHA1
942434a49e5f70fd22f2a987b1d5a2a92fa67f64

SHA256
10126e1e6fd9090697905525e543629ed1e4a8364fdf01da39d2cb42a891464c

SHA512
fdfc36b686ae6a60285a55a350dbe2e0759ffa7946028f3c534c3b993e8ab44ba5003c7b70b16296186b7bb8328de62196f442df71acd25187fd65245e88ffa3

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\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
11.3MB

MD5
e2097046e4c17919f2bd095ac5cef176

SHA1
337018c3ec90a6817f04e95c9dffe39d727623c0

SHA256
5ff3e2e995063e6cee10a31773c7fa77918cb3a4bf282fbfc65d6fca41082304

SHA512
6684d777700fa351a18f31d09fde23736d226ec3268d1c69111efdf6ba3d3f4965e923f9695482eafb3745338cf2b7c6d420fcf1ac331307aafb655ef45b7dc5

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

Filesize
12.2MB

MD5
6b3cc4bd4ea228ccaa77961123f9aca5

SHA1
82c33b027aa4ad33909a40189d40a17483fec3eb

SHA256
a2af01ea6d396bf4d10804edb5b31054e5eed1331fe9cd52b0ecae79dc0fcb75

SHA512
024c9e787222889db720200a2967915805d029a589f5a9eb07e758fa4be8b22d67f2cc0fe58d4977969bc16de987d6810c381595c5961cc905314109c5d4e784

Download Submit
memory/2304-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2304-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3044-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

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

Filesize
2.4MB

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

Filesize
2.4MB

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

Filesize
608KB

Download
memory/4444-44-0x00000000010C0000-0x0000000002975000-memory.dmp

Filesize
24.7MB

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

Filesize
2.4MB

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

Filesize
1.2MB

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

Filesize
2.4MB

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

Filesize
752KB

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

Filesize
2.4MB

Download
memory/4444-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

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

Filesize
2.4MB

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

Filesize
2.4MB

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

Filesize
2.4MB

Download
memory/4444-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download