73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
298s
max time network
301s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
23/02/2024, 14:08

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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
4428	b2e.exe
1652	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1652	cpuminer-sse2.exe
1652	cpuminer-sse2.exe
1652	cpuminer-sse2.exe
1652	cpuminer-sse2.exe
1652	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4560-6-0x0000000000400000-0x000000000393A000-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 4560 wrote to memory of 4428	4560	batexe.exe	75
PID 4560 wrote to memory of 4428	4560	batexe.exe	75
PID 4560 wrote to memory of 4428	4560	batexe.exe	75
PID 4428 wrote to memory of 880	4428	b2e.exe	76
PID 4428 wrote to memory of 880	4428	b2e.exe	76
PID 4428 wrote to memory of 880	4428	b2e.exe	76
PID 880 wrote to memory of 1652	880	cmd.exe	79
PID 880 wrote to memory of 1652	880	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:4560
- C:\Users\Admin\AppData\Local\Temp\B100.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\B100.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\B100.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:4428
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\B585.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:880
  - - 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:1652

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\B100.tmp\b2e.exe

Filesize
10.6MB

MD5
d2713ce8cf1f36113cd3e2d8bb2a059a

SHA1
85feb79b4ea42ca55adeb0889d415be42cd091c5

SHA256
d8da87835dd34a5c20345656fe31958c5a7680d42564137f189f1a0d04deeb73

SHA512
25e6303d8c1cd4e44a5a1b2cabfe2fcc921587a4889cab2eaf70f0e52e6037621305a9332b41d227a7406b25a3054b23bc8ed0327a5f02e6058a2fa9e9d91b2e

Download Submit
C:\Users\Admin\AppData\Local\Temp\B100.tmp\b2e.exe

Filesize
11.5MB

MD5
bf55dc7f7102a46baa5439bd5845856d

SHA1
7f417ff395352ff3cc49a7e8373f8e2f4a880dee

SHA256
4b36e460789d04ae97415b3773abec77364ddcd9ffe1224228cc6199dfe26bdf

SHA512
ff802b04a9a04264565153711dada9942981f405d75d3851027cc06dd38f05668ab9e13a0d4fad1c0bb12dbe05ed0fb1e88684a8b27348570ea5f9d33b3ade1f

Download Submit
C:\Users\Admin\AppData\Local\Temp\B585.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
1024KB

MD5
1ad6167569badab73bb51c7109b56693

SHA1
85c80eff3810728aeb4af1cdfc6984facaeeb6c0

SHA256
2a0237405f10841de2c9a5d337e1ae7ef626e562194dc6d096d92ae81e88aea6

SHA512
e219d97f0dc3b5f94798dc75f5328b4e7282c420fbb4ed1b44fb1e17941486f244fa28ccd73f55fcaa299a9b2526395a6a81d20a7ff26d9fe02bad77fec68648

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
960KB

MD5
5f088febb9167d9fa27631de416c40d9

SHA1
0e7cfc61e5cd1bb82c846c939d71388e2f9d5086

SHA256
869740b99a3d66f9e9decc133d9c3c4a2c14c3e7c62c512248da76f002387fce

SHA512
65e4cd0d550b852f50e426e53ff47bf1419a5cc1aaf07010b10b96f392148525950fd11dd3b1e8acda0916d288414629cde845cdc959ed7092e565ccb8ffa920

Download Submit
C:\Users\Admin\AppData\Local\Temp\libgcc_s_seh-1.dll

Filesize
704KB

MD5
538d0a2af59454daf4418e27268ec013

SHA1
dd5e047f232d3827ba6f9c1da4f17928557dd6e6

SHA256
ef618dca52a4f65f6fd72fd721744185c44cfeff6ff90928f56481969eab4126

SHA512
1c958d315013726aa6ebc24552fb4d712a30ad6e5621db0f9037924ccb8cdf45063a01ed6da3aa50485ad084248a9c67c3513aabecf9d324eacaaa2b75f0a7c2

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

Filesize
832KB

MD5
2bfa2b9803bf342837d2cfe9b2b57f64

SHA1
e89eec3559c4904ce523943fed97f3fa2534ab39

SHA256
38710a4ce8976e3e452fe43563f28f9a8259165fd68ca94f5d64f5f4a299b6ab

SHA512
d099f07ca1cb598bdd6f563d917fe3ddcf3f6f37b589f68da987426e416492acf3dbfb2e18387d9afb168308d55c9acfb568c3d31735ab307fc070ff4da93793

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\libstdc++-6.dll

Filesize
768KB

MD5
613807ad6d525aded318b643c33bc17e

SHA1
2c9a4180140838c69c20bc4047c3d2d777d3bee4

SHA256
896775bd33edafb0d219d1ae3e973e71aa29a4937d0252bd3a4cad074c004971

SHA512
d688b0f2570944898097dcc6acb56b3a4c901073f0ce22b5ea260b05a37fe2840d84b44e7aa74c7d73078b0e5a45c24994852f5c03f049982b6ddca6ead89539

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1652-42-0x0000000055DA0000-0x0000000055E38000-memory.dmp

Filesize
608KB

Download
memory/1652-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1652-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1652-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1652-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1652-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1652-44-0x0000000001160000-0x0000000002A15000-memory.dmp

Filesize
24.7MB

Download
memory/1652-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1652-50-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1652-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1652-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1652-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1652-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1652-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1652-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1652-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1652-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4428-55-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4428-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4560-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download