73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
307s
max time network
313s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
17-02-2024 13:36

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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
3612	b2e.exe
708	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
708	cpuminer-sse2.exe
708	cpuminer-sse2.exe
708	cpuminer-sse2.exe
708	cpuminer-sse2.exe
708	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4488-4-0x0000000000400000-0x000000000393A000-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 4488 wrote to memory of 3612	4488	batexe.exe	73
PID 4488 wrote to memory of 3612	4488	batexe.exe	73
PID 4488 wrote to memory of 3612	4488	batexe.exe	73
PID 3612 wrote to memory of 2424	3612	b2e.exe	74
PID 3612 wrote to memory of 2424	3612	b2e.exe	74
PID 3612 wrote to memory of 2424	3612	b2e.exe	74
PID 2424 wrote to memory of 708	2424	cmd.exe	77
PID 2424 wrote to memory of 708	2424	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:4488
- C:\Users\Admin\AppData\Local\Temp\F491.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\F491.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\F491.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:3612
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\F954.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2424
  - - 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:708

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\F491.tmp\b2e.exe

Filesize
2.8MB

MD5
1cd1f1463362e82070bd38c1ad8de2d3

SHA1
02b59eedcca64d1bcdbebabb05228cd292c1fdde

SHA256
80c54200113264848b0a02dfef414bee7e1000ae8db116136fad1a6474d43e29

SHA512
f67290611bf4653411f513f696f93add280763b3da208f3ad6a5c2b171fde413daf0d6e4909a13d93a08eed4946e98332ba40d07e39ba686cf356da9d87c355f

Download Submit
C:\Users\Admin\AppData\Local\Temp\F491.tmp\b2e.exe

Filesize
6.9MB

MD5
7a2ea07f1a974144b91ec5809c9ed033

SHA1
c0c11f79a651ae738485afb1d305602aa2264e78

SHA256
efe20180ff69f0c8db0c1383c90dad5b0564199225954d11e73437b5a0597a81

SHA512
76a76702112c1f632e9425587118eefea1e50939adb165f03ae8dcff1dd3e50f2b9d765fef966a0a4a96b61d0e560a36fd1e79a67fbb536dc68e8776155d6999

Download Submit
C:\Users\Admin\AppData\Local\Temp\F954.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
4.8MB

MD5
9b7005b0cd65f4de09b2b360f9c17ec5

SHA1
bf6e47256a84284f189fb4fde155ae10b18bd97d

SHA256
e2eee45e4abd2dc2f6a2c29b2012ce2e52f312dcc55056adef11d4678329fe2e

SHA512
9283de9512760a1bf98e90b18cf794d0e717b9b9d26739e7b80c77c93ad3dae30c58254c909ea45d0b483c4a41359efe3ece7d1407a81c43c582023cc45d705a

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

Filesize
3.6MB

MD5
d379a871c076b379dd46d9f95674e107

SHA1
ebe688de40e31adad8aa43a07213a16b35c6db90

SHA256
f0d50ebae08d088ac1dd0f920a3824004277320ad318b4f6de451afec89335e3

SHA512
1e59d5f78b915db0b8c95a50dce8cfa809229f5bdd5a61027479f6a561831df8e5be5097a2e817981044030447c28f94ce298fd7c4b7f4e79c78f69ba090309a

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

Filesize
2.9MB

MD5
e8f54c9d2232b5e2661924e19f988e43

SHA1
dcb989bffcd25371a75c61e67222303bbde7bec8

SHA256
d11dbc57e8321c02cc16112a6300d8eb8cd869c3af1931ebb880b2a7273dc533

SHA512
c26b151a25ba76acf2e9beeaa812a2feced12b8c8bcc06f763bcd00e512e3372a6582b48b2542e07e3aac7a8202405edb04db5466637a73438d5e423427fc98d

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/708-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/708-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/708-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/708-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/708-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/708-43-0x00000000677B0000-0x0000000067848000-memory.dmp

Filesize
608KB

Download
memory/708-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/708-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/708-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/708-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/708-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/708-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/708-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/708-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3612-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3612-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4488-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download