73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
296s
platform
windows10-1703_x64
resource
win10-20231220-ja
resource tags

arch:x64arch:x86image:win10-20231220-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
13/02/2024, 23:37

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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
4892	b2e.exe
2840	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2840	cpuminer-sse2.exe
2840	cpuminer-sse2.exe
2840	cpuminer-sse2.exe
2840	cpuminer-sse2.exe
2840	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/5032-4-0x0000000000400000-0x000000000393A000-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 5032 wrote to memory of 4892	5032	batexe.exe	75
PID 5032 wrote to memory of 4892	5032	batexe.exe	75
PID 5032 wrote to memory of 4892	5032	batexe.exe	75
PID 4892 wrote to memory of 4964	4892	b2e.exe	76
PID 4892 wrote to memory of 4964	4892	b2e.exe	76
PID 4892 wrote to memory of 4964	4892	b2e.exe	76
PID 4964 wrote to memory of 2840	4964	cmd.exe	79
PID 4964 wrote to memory of 2840	4964	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:5032
- C:\Users\Admin\AppData\Local\Temp\97FA.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\97FA.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\97FA.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:4892
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9A0D.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4964
  - - 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:2840

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\97FA.tmp\b2e.exe

Filesize
11.1MB

MD5
a1be827801286abff9177a7e5646c423

SHA1
57673df284195b4910e85e80f224965ea727b27b

SHA256
75e4df8ff04144471f5142ca23aa53ac3989912f20b14fdfd4f6e924ad450c6f

SHA512
54965b25ef9d70062180278732b66baa757263d49017a211ddbb898ebd436ed48262527ce6f625cc838fe2acf4a84e92ca2ccff7e7e618ab47f768a74cbb020e

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

Filesize
8.9MB

MD5
8934064d086020e1fc1dde4a36795e74

SHA1
6fe9b4a464ed303a284b2bfe9f39ee890b74e327

SHA256
4dc322487f59ed29c972a20612cdc750261f6a6cb2d939f1b120af48a37512d1

SHA512
f3061097df890902d12bf26594e62e2560dce28bb163a36fbd0a90392f07cbde53916095371df5db7595d514058ed3f736b47590757df082a47436341f0ebc4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\9A0D.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
9.3MB

MD5
bad0fada195b654624bf5b1b6de04f5f

SHA1
2b70993720f02b25c5e91853a7b59edc5311eae8

SHA256
1f922228cc7324c7c12a3f2b2b6ccb2baa95a9aa4e4b56c7c4f276c58f399a76

SHA512
ade406f68508ee660ebaa562db2db0698973f22e64d5c0eb6784df1b3f2b2f958261b2f8c4df27fecf77fa3f6f90204bcbcf4e0932bc8f683c21290e3506dac4

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

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
8.0MB

MD5
ae626353135e423b5bf2452fec6aa4b3

SHA1
b621e4541ff41869932cf7019ba330c5abe8420d

SHA256
71a19918b2555b9a0cc66b5d614fe32dc8e34b90d898bb1dfa9398e96cc3cbe9

SHA512
1ea86a226f4ea218fa10621626f0320e7c3b713cc53ef1e366240c318bcf4b23a604cd9cf7f87c0e30d23a2dfa775a6bfc75bb13e0f8f65812a538e55a9a6802

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

Filesize
7.3MB

MD5
f3d8b39883e1441cfa651347c494358f

SHA1
470606b156dbb0f9056ec94c7d8091cd4b522acf

SHA256
548c4538d34fbe9f6437853ca02c8b3aeb2399329a3cd56f46e5273409b4f980

SHA512
64d530361aa4ef741fa673ec2696e0b805fdd1e8441f9e451525741f4e003e22d0a3d1123e886e66851385745b1235e7df85b63b3ad908e916a3ff133679b1e1

Download Submit
memory/2840-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2840-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2840-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2840-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2840-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2840-43-0x000000005F5C0000-0x000000005F658000-memory.dmp

Filesize
608KB

Download
memory/2840-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/2840-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2840-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2840-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2840-62-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2840-64-0x000000005F5C0000-0x000000005F658000-memory.dmp

Filesize
608KB

Download
memory/2840-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2840-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2840-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4892-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4892-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/5032-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download