73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
300s
platform
windows10-1703_x64
resource
win10-20231220-ja
resource tags

arch:x64arch:x86image:win10-20231220-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
12-02-2024 12:59

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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
4592	b2e.exe
1996	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1996	cpuminer-sse2.exe
1996	cpuminer-sse2.exe
1996	cpuminer-sse2.exe
1996	cpuminer-sse2.exe
1996	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/5040-5-0x0000000000400000-0x000000000393A000-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 5040 wrote to memory of 4592	5040	batexe.exe	75
PID 5040 wrote to memory of 4592	5040	batexe.exe	75
PID 5040 wrote to memory of 4592	5040	batexe.exe	75
PID 4592 wrote to memory of 1336	4592	b2e.exe	76
PID 4592 wrote to memory of 1336	4592	b2e.exe	76
PID 4592 wrote to memory of 1336	4592	b2e.exe	76
PID 1336 wrote to memory of 1996	1336	cmd.exe	79
PID 1336 wrote to memory of 1996	1336	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:5040
- C:\Users\Admin\AppData\Local\Temp\9700.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9700.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9700.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:4592
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\98A6.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1336
  - - 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:1996

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\9700.tmp\b2e.exe

Filesize
11.0MB

MD5
b50953f71a3101aeff703be66a29fd7c

SHA1
a8145459526fb3d1fd80d4b33a0476c67dd61167

SHA256
3645323a2c5a8aa841a239420842138c4726a762afac36da09ecaaba71212eb8

SHA512
7acbda386cf92ea1e7f87d1030ce96b68defc0d2fc117298f2be7d0cd4e7195b60dc29674be54b22fd52d6b2886b8799ea149e76ff8cf0f81364c7547024bb1e

Download Submit
C:\Users\Admin\AppData\Local\Temp\9700.tmp\b2e.exe

Filesize
12.5MB

MD5
b6d9105094c091cab1e7085538397144

SHA1
659fba391c48124b537d8a189737e6998f7ba97f

SHA256
08d353d3d574691ee67fbe31ad83eb26b5cdcde33d54a418af7bd522c98e4b56

SHA512
6737f1c22daac8adda2b9fb717602e256e89b5bd33cd8d7d168af68a9bdd036bcbca366ec581a46bccf24431cfcae8fba00bea7b3922f190ea6cbd1f3b805000

Download Submit
C:\Users\Admin\AppData\Local\Temp\98A6.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
11.3MB

MD5
88d0468321a00fa3c6d7e25c352991ab

SHA1
973e755d8efe046c8aaea9a4e8347a38b5faa0f2

SHA256
d1dd8c2932a0e76f8dfd84659f722b2e90d8ef31722bfc43d1ea905832548acd

SHA512
5f6bb950cc053ec8fc64cb810c8a5fee99d2b8c1708ae58df08ade754b06612e346a0edc04c1191a6fecee4a6a9711d497dc0d666805b027f67657151f5bedb5

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
10.5MB

MD5
4bdbe92cd6145ea22c33daa44745643d

SHA1
e59c9ad322a02464a74c01dadb38967e8ede3631

SHA256
50303d26bd45d65b57316184d3143690112e1f5ef98deb05d68e19d2040396fd

SHA512
ce985e104a01b5675b94954ecf695414d0547bd13776973d1308add0060632682763c31d32ff1aa3e463ffe92f2e081b55669adfc5f9876e8660c16053ccea3f

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

Filesize
9.3MB

MD5
7eebd3196632a5ec9d6c8fd4d6109902

SHA1
0b3860c5a882cdfafc881ba79f15163351c8abd2

SHA256
b531f7d1800ae03eca1d330cae433e24a0b272212d05d87e5792d2f0e1aa644a

SHA512
133ebac1c686a42e0a80a1e0d73f1be337c7a7db8eaa7f98e6f8ede7223dcb0784a674f8bf5d2f048685c62df58ca6c984d94929b1cfe56a0fe8e6ad4c7eb8cf

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1996-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1996-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1996-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1996-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1996-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1996-43-0x000000006D380000-0x000000006D418000-memory.dmp

Filesize
608KB

Download
memory/1996-44-0x0000000001160000-0x0000000002A15000-memory.dmp

Filesize
24.7MB

Download
memory/1996-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1996-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1996-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1996-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1996-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1996-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1996-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1996-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4592-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4592-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/5040-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download