73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
297s
max time network
303s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
24/02/2024, 03:48

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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
3192	b2e.exe
1540	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1540	cpuminer-sse2.exe
1540	cpuminer-sse2.exe
1540	cpuminer-sse2.exe
1540	cpuminer-sse2.exe
1540	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4108-6-0x0000000000400000-0x000000000393A000-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 4108 wrote to memory of 3192	4108	batexe.exe	73
PID 4108 wrote to memory of 3192	4108	batexe.exe	73
PID 4108 wrote to memory of 3192	4108	batexe.exe	73
PID 3192 wrote to memory of 168	3192	b2e.exe	74
PID 3192 wrote to memory of 168	3192	b2e.exe	74
PID 3192 wrote to memory of 168	3192	b2e.exe	74
PID 168 wrote to memory of 1540	168	cmd.exe	77
PID 168 wrote to memory of 1540	168	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:4108
- C:\Users\Admin\AppData\Local\Temp\A299.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\A299.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\A299.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:3192
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\A73C.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:168
  - - 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:1540

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\A299.tmp\b2e.exe

Filesize
10.9MB

MD5
deefd3e520ea369c8a728bfc6467025c

SHA1
146b8050b65b1180eb943dd9e5480e0904e45105

SHA256
2d1b598f48fe9ded8af44bb1abcd862588a26214aa47f5017c6b9912566d9876

SHA512
8919c70620f2194742e4698a0e2182a4b324be468efb65e3e8567d72482eb01d2eeb189c255343eac844d7dd444dd255b8a0ade43356512290434625474e77d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\A299.tmp\b2e.exe

Filesize
12.9MB

MD5
cb650fd9fc4b7cdeb9ad8f3c1ec83a90

SHA1
d048c024cd2246bee3df024b9450f72797ad8a60

SHA256
c4f52fabb6e45ce225f37cb46b9fce2f02a14e4cc056ebd0cf1bf9a475ea7412

SHA512
a204a1936c81c9cbb9f909f762b057faa1894687e748d83e3385aa8d7abb8f2e78eec52ed775fae51a240ac428488cae7a6138e8554a548ecd0262651ed5e4c1

Download Submit
C:\Users\Admin\AppData\Local\Temp\A73C.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
5.8MB

MD5
b771ea3a37235814bc067c4db9aab0fe

SHA1
0e2d7fdcb291b71e076a3a852616d01406734506

SHA256
f3e900ad7b7e98f5f647550f71627af7826ef6dc995661aa96c410af45062a72

SHA512
096ea606412f0d9aa41eee104e766e2c86ee6c65d0af66e7dbcd47b3b909e71bde78bdc4d89d1c4fe2b9700b4cf9546858e48239bb971bd4fa248e8b66abdf2d

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
6.0MB

MD5
0e16eccf14ac8731540132156057d709

SHA1
e009486646838ccea7e6f908ad7662ab6c9c3cc2

SHA256
3af773a3a9dcc043f30ccf8fa176e35ce87e60ec2c34abf7accbfcf9b33ca178

SHA512
aa22a9b0764f54d856a52c3804d73eb819f3550c1425b6145000e067f820ac25665466312a3d608f05147accf227a46686e5f6c18494084117bc50982f66d0b4

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

Filesize
5.8MB

MD5
ae2672a117d0c46f762a09404988f9d4

SHA1
460c1721a1f093f0bac6e414f33ec4f44c017146

SHA256
489b396c787b8b4abccd5f14ae1e74385e93072ad2b0b97619b491a4df349b3c

SHA512
4ffb71848af530be834584b1d8f9c5ff332fa6c1a13cd2dbaef849a2563a4a367927549d3898236fa2a72727c0b17a50054dcacd36868df36cbbc9f1ee6addc7

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1540-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1540-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1540-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1540-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1540-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1540-43-0x0000000066770000-0x0000000066808000-memory.dmp

Filesize
608KB

Download
memory/1540-44-0x0000000001080000-0x0000000002935000-memory.dmp

Filesize
24.7MB

Download
memory/1540-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1540-50-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1540-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1540-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1540-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3192-55-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3192-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4108-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download