73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
max time network
305s
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, 08:43

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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
2284	b2e.exe
1448	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1448	cpuminer-sse2.exe
1448	cpuminer-sse2.exe
1448	cpuminer-sse2.exe
1448	cpuminer-sse2.exe
1448	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3356-5-0x0000000000400000-0x000000000393A000-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 3356 wrote to memory of 2284	3356	batexe.exe	74
PID 3356 wrote to memory of 2284	3356	batexe.exe	74
PID 3356 wrote to memory of 2284	3356	batexe.exe	74
PID 2284 wrote to memory of 4764	2284	b2e.exe	76
PID 2284 wrote to memory of 4764	2284	b2e.exe	76
PID 2284 wrote to memory of 4764	2284	b2e.exe	76
PID 4764 wrote to memory of 1448	4764	cmd.exe	78
PID 4764 wrote to memory of 1448	4764	cmd.exe	78

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3356
- C:\Users\Admin\AppData\Local\Temp\AECE.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\AECE.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\AECE.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:2284
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\B556.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4764
  - - 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:1448

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\AECE.tmp\b2e.exe

Filesize
10.0MB

MD5
b3fb3ee64cd1908fcb02a34586e36626

SHA1
4b6395c827f8f899717a157dd98651f1d0a12a5a

SHA256
7c91559970c539bcd2e2a4f1f2819c642419d978786809f1ff3c6c7c8871ddfc

SHA512
f76035661589b4047ccce2e557c510312083caeb52b875c64f509de065bcd974ba8b679f4edf75722373c65c6d5b5d74ba3dec21c5871ade3c62893a0206dae6

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

Filesize
7.9MB

MD5
566465d086aeb2dfc4d6e02d7d21b779

SHA1
0bb08763955ddd25b61b0f7be6248ccc94ccf2cc

SHA256
493a16da0174b183a63a63cb4d62e603ef4de902d65ef5420bd193b2009c06a3

SHA512
48e14f1f66483daeb14a14e2705f2514a0211a1a6348af6406293b6e5362aaffcbb6c360a6ce03e7c91c9ed2512941154af299466245c5bde2f4ad3ef3414fa6

Download Submit
C:\Users\Admin\AppData\Local\Temp\B556.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
8.6MB

MD5
d858fa0db950494fa423187ec77b75b9

SHA1
37fc98691f1eae53a9814dbb01919fb80dce5c70

SHA256
4c48b1a6f9f731bd5cfddaf9ddd039b6b78ca0766b3916c5cd581e3586a1975b

SHA512
41e12cd1e1bf86ed0e4b9202b405f59a8a8454e81b05c0b80497fcf4ae6511f87f6ec2c8885cbffa014d7588855b5098e760d8a8440eb0777cb8810902f6520b

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

Filesize
5.9MB

MD5
61a9bea6beefbd731c398a68653170da

SHA1
1675ababaa9a2210a1ae22f748194aa2c98982cb

SHA256
51ec648627e5b19cc5cc50a9465fb7c10d15f5317166ec7eefd79ecd922ad5ec

SHA512
03501e41d252ebe61d5616515abf9b82cdfa1bed805d866473e6371e78bd20feebf7e55708b5a17f23cc29612e6e4886d03613903eeecdb21e769df001aad6d1

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

Filesize
6.5MB

MD5
e09eb66aa9a9d0326398a9860b0a6ebc

SHA1
a80c2b04b701a65146d7623540c6ba933ecd7312

SHA256
dc1cfc4272c2ae788b1d2cabb916b950fd9c2d06bf73d8f86bc28076a4bce3f5

SHA512
4bb6f686fc55caf5e480b0537f05261c7ac3b5a6fdaf97b9e07dfa76996609e2a6a333a89f33e755b0304cd00daf5f2b3b989009a6d03526a3199d2ac674988d

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1448-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1448-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1448-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1448-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1448-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1448-43-0x0000000067DF0000-0x0000000067E88000-memory.dmp

Filesize
608KB

Download
memory/1448-44-0x0000000001040000-0x00000000028F5000-memory.dmp

Filesize
24.7MB

Download
memory/1448-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1448-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1448-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1448-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1448-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1448-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1448-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1448-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2284-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2284-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3356-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download